\nAbout Toku\nToku is the leading provider of compliance infrastructure for crypto companies, enabling them to pay employees in tokens and stablecoins while staying compliant with state, federal, and international tax laws. Our growing client list includes 30% of the crypto companies listed on Robinhood.\n\n\nBacked by $26M from leading investors including Blockchain Capital and Naval Ravikant, Toku is scaling rapidly to meet the demand for compliance solutions in the evolving regulatory environment. Read more about Toku in Fortune, Yahoo Finance, and CoinDesk.\n\n\nTo learn more, check our website.\n\n\nAbout the Role\nToku is building token compensation and compliance solutions that help companies manage stablecoin payroll, invoicing, token payroll, cap tables, and trading plan compliance with ease. We are looking for a UI Engineer to design and build interfaces that make these complex financial workflows intuitive, scalable, and performant.\n\n\nIn this role, you will work closely with design, product, and backend teams to create seamless user experiences for financial transactions. You’ll focus on building high-performance, modular UI components, optimizing for speed and clarity, and ensuring the platform meets the highest standards of security, accessibility, and usability.\n\n\nThis is an opportunity to work on challenging design and engineering problems in a fast-moving space, where precision, reliability, and user trust are critical. If you have a strong technical foundation, attention to detail, and experience building modern financial applications, we’d love to hear from you.\n\n\n\n\n\nResponsibilities\n* Architect and build a highly performant, scalable, and intuitive front-end for a complex financial application\n* Design next-generation user interactions that reduce cognitive load and make complex tasks frictionless\n* Implement intelligent UI components that anticipate user needs, adapt dynamically, and provide real-time feedback\n* Develop a design system and component library that enforces consistency, accessibility, and brand presence across the platform\n* Optimize for instantaneous load times and fluid, native-like interactions using cutting-edge web technologies\n* Build real-time financial dashboards and transaction interfaces with advanced data visualization techniques\n* Design workflows that guide users effortlessly through financial operations while abstracting complexity\n* Ensure impeccable security in the UI layer, with strong session management, biometric authentication, and role-based access control\n* Lead performance optimization efforts to ensure an ultra-fast, low-latency user experience\n* Collaborate cross-functionally with designers, product teams, and backend engineers to deliver seamless full-stack integrations\n\n\n\nMinimum Qualifications\n* 7+ years of front-end engineering experience, building sophisticated web applications at scale\n* Mastery of TypeScript and JavaScript, with expertise in React (Next.js), Vue, or SolidJS\n* Deep experience in state management (Zustand, Recoil, Redux, or React Query)\n* Proven ability to develop high-performance, real-time financial dashboards and transaction interfaces\n* Extensive experience designing and implementing component-based UI architectures and design systems\n* Expertise in advanced animations and interactions (Framer Motion, GSAP, or equivalent) to deliver a premium UX\n* Strong background in secure UI development, including multi-factor authentication (MFA), OAuth, SSO, and encryption at the UI level\n* Experience implementing progressive web apps (PWAs), SSR, and hydration strategies for optimal performance\n* Familiarity with data visualization tools and frameworks (Recharts, Visx, etc.) for presenting complex financial data\n\n\n\nPreferred Qualifications\n* Senior ICs experience in fintech or enterprise financial software\n* Previous experience building products from scratch in high-growth startups\n* Comfortable working without rigid processes and large support teams\n* Passion for designing ultra-modern, cutting-edge user interfaces with a focus on both form and function\n* Hands on and execution focused\n\n\n\n\n\n\nToku is an equal opportunity employer, and we are committed to being a diverse team that reflects a broad range of background, thought, and experience. We do not discriminate based on race, color, religion, sex, gender identity, sexual orientation, age, national origin, status as an individual with a disability, status as protected veteran, or any other legally protected characteristics. Women, minorities, LGBTQ+, and people from underrepresented backgrounds are strongly encouraged to apply. \n\n\nWe strongly encourage you use Rezi.ai to vet resume quality before applying. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Crypto, React, Typescript, Senior, Engineer and Backend jobs that are similar:\n\n $70,000 — $125,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n

\nCleanSpark, Inc. (CLSK) (NASDAQ: CLSK) ("CleanSpark") CleanSpark is America's Bitcoin Miner, driving innovation in an ever-changing industry. We're seeking passionate individuals to be part of our growth and contribute to the exciting world of bitcoin. If you have a keen interest in bitcoin and digital assets and thrive in challenging environments, we want to hear from you!\n \nAs a CleanSpark team member, you'll be at the forefront of the global bitcoin revolution, shaping the future of responsible mining. We offer a dynamic and rewarding work environment, coupled with competitive benefits to support your overall well-being.  Enjoy generous PTO, comprehensive health and life insurance, a 401k retirement plan, and more.\n\n\nAbout CleanSpark\nCleanSpark (Nasdaq: CLSK) is America's Bitcoin Miner™. We own and operate data centers that primarily run on low-carbon power. Our infrastructure responsibly supports Bitcoin, the world's most important digital commodity and an essential tool for financial independence and inclusion. We cultivate trust and transparency among our employees and the communities we operate in. Visit our website at www.cleanspark.com.\n\n\nAs a Senior Full-Stack Software Engineer, you will be a key technical leader and mentor, responsible for driving projects from concept to production. You will collaborate with cross-functional teams, influence technical strategy, and set the standard for best practices across the development lifecycle. Your expertise in software engineering and infrastructure management will be critical, especially in our focus areas of power management and crypto mining.\n\n\nApplication Requirements: Please include links to your Git repositories (e.g., GitHub, GitLab), a portfolio showcasing your projects, or any available previous applicable work that demonstrates your technical skills and domain expertise. \n\n\n\nResponsibilities\n* Architect, develop, test, and maintain full-stack applications using modern technologies.\n* Design and integrate scalable backend services with Python, Node.js, and Golang.\n* Develop dynamic front-end applications using React, Tailwind, and TypeScript.\n* Utilize AWS for cloud-based deployments and robust infrastructure management.\n* Apply deep Linux expertise to optimize development environments and streamline deployment workflows.\n* Implement and manage containerized environments using Docker and Kubernetes.\n* Develop, implement, and maintain CI/CD pipelines to ensure seamless and reliable deployments.\n* Integrate robust security principles and best practices throughout the development lifecycle.\n* Adhere to clean code practices to ensure maintainability and scalability of applications.\n* Collaborate using Gitflow workflows, working closely with highly technical teams to solicit feedback and deliver effective solutions.\n* Employ Test-Driven Development (TDD) to build high-quality, resilient code.\n* Provide technical leadership by mentoring junior team members and guiding technical strategy.\n* Lead initiatives for process improvements and innovation across cross-functional teams.\n* Manage projects related to power management and crypto mining, ensuring systems are robust, eƯicient, and secure\n\n\n\nQualifications\n* At least 5 years of working experience as a full-stack developer with a robust portfolio of end-to-end projects.\n* Expertise in AWS, Python, Node.js, Golang, React, Tailwind, and TypeScript.\n* Deep Linux expertise and hands-on experience with infrastructure management.\n* Strong background in containerization (Docker and Kubernetes) and CI/CD pipeline development.\n* Solid understanding of security principles and commitment to clean code practices.\n* Demonstrated experience with Gitflow workflows and collaboration within highly technical teams.\n* Proficiency in TDD with a strong foundation in writing tests to drive development.\n* Excellent problem-solving skills and the ability to work independently with minimal oversight.\n* Proven leadership and mentorship experience, with the ability to guide technical strategy and inspire teams. \n\n\n\nPreferred Qualifications\n*  Experience in the power management and crypto mining sectors.  \n*  Familiarity with agile methodologies and modern development workflows.\n\n\n\n\n\n$100,000 - $160,000 a year\n\nCleanSpark is an Equal Opportunity Employer. It provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Crypto, Docker, Senior, Junior, Engineer, Linux and Backend jobs that are similar:\n\n $40,000 — $80,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nRemote

\nAbout Notabene\n\n\nNotabene is on a mission to make crypto a part of the everyday economy. Leading crypto organizations use our tools to reduce transaction risk and make crypto transfers safe. Working across three continents in eight countries, the Notabene team serves our fantastic community of 100+ customers, including financial institutions, fintechs, exchanges, and more. Our co-founders spearheaded foundational Self Sovereign Identity protocols and use-cases. This technology is key to the internals of our cutting edge tech stack.\n\n\nWe’re proud to have the support of leading investors, including Y Combinator, Jump Capital, Castle Island, Green Visor Capital, and more.\n\n\nWe’re at an exhilarating moment in our journey, as regulation technologies (reg-techs) are fast becoming recognized as a vital enabler of the crypto ecosystem. Notabene is growing fast—and we’re looking for people like you to help shape the future rails of the crypto industry!\n\n\nThe Impact You'll Have:\n\n\nAs a Staff Backend Engineer at Notabene, you'll be pivotal in shaping how crypto transactions are securely cleared and settled at scale worldwide. You’ll be joining the transactions team, a critical component of the Notabene Platform responsible for the reliable processing of high-throughput transaction data globally.\n\n\nIn this role, you will architect, build, and maintain our core transaction-processing services, driving the platform's scalability, reliability, and performance to handle the growing volume and emerging crypto use cases.\n\n\nAs a Staff Engineer, you’ll be instrumental in setting technical direction, mentoring team members, and ensuring our architecture is optimized to meet the needs of a constantly changing and fast-paced market.\n\n\n\nWhat You'll Do\n* Design, build, and maintain high-throughput, low-latency microservices for our Transactions team, contributing directly to Notabene’s secure and reliable transaction authorization platform\n* Work closely with product, engineering, compliance, and customer-facing teams to gather requirements align on technical feasibility, and prioritize projects that maximize value to our customers\n* Develop and execute the Transactions team roadmap aligning with business priorities and strategic objectives\n* Scope and drive large-scale technical projects end-to-end, from inception through deployment, and delivering ongoing improvements to scalability and performance\n* Mentor and support engineers throughout the Notabene engineering organization\n\n\n\nMust Haves\n* 8+ years of professional software engineering experience, with at least 3+ years in a senior or staff-level backend engineering role\n* 3+ years of professional experience with Node.js, including building production-grade applications.\n* Strong experience with distributed messaging systems (e.g., Kafka), including configuring and optimizing message flows.\n* Expertise in event-driven microservices development.\n* A proven track record in building and optimizing high-throughput, distributed systems\n* Extensive experience with PostgreSQL, SQL optimization, and architecting high-throughput transactional databases\n* Hands-on experience deploying and managing services on AWS, with a solid understanding of container orchestration tools like Kubernetes and Docker\n* Strong understanding of security principles, particularly around secure data handling, encryption, and best practices in financial or transactional data systems\n* Strong problem-solving skills, attention to detail, and the ability to work independently in a global, remote-first company\n* Excellent communication and writing skills, with the ability to collaborate across teams and departments\n\n\n\nNice-to-Haves\n* Experience with Rust or Go is a significant plus.\n* Deep understanding of cryptography, including public/private key encryption and signing.\n* Knowledge of decentralized identity, verifiable credentials, and DIDComm protocols.\n* Familiarity with low-latency NoSQL datastores.\n* Familiarity with distributed systems principles beyond Kafka, such as consensus protocols or distributed tracing.\n\n\n\nBenefits\n* Flexible Remote Work: Work from anywhere!\n* $1000 WFH Stipend: Use within your first year of employment.\n* MacBook Pro: Procured by you and your manager to find a model that meets your needs.\n* Unlimited PTO: We trust you to take as much holiday as you need.\n* Country-Specific Benefits: Statutory offerings and contributions, managed via our employer-of-record.\n\n\n\n\n\n\nApply Today!\n\n\nIf you strongly believe this role is for you, please apply. Notabene considers a broad array of candidates, including those without blockchain experience. Whether you’re returning to work after a gap in employment, or taking the next step in your career path, we will be glad to have you on our radar.\n\n\nNotabene is proud to be an equal employment workplace and an affirmative action employer. By valuing inclusion and diversity of all forms, we strictly prohibit and do not discriminate based on race, color, religion, national origin, gender, gender identity, gender expression, age, ancestry, citizenship, sexual orientation, status as a protected veteran, or any other legally protected characteristic. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Crypto, Senior, Engineer and Backend jobs that are similar:\n\n $57,500 — $102,500/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nLondon

\nCoinbase Developer Platform and the Dev Portal is the destination for building and integrating web3 solutions, services, and products. We partner with other Coinbase products such as Base, Wallets-as-a-service, Staking, CB Pay, Advanced Trading, Commerce, Exchange so web3 developers can start building their onchain apps in minutes.\n\nThis role is for Coinbase Commerce, a powerful payment processing platform that enables merchants to securely accept crypto payments. With its user-friendly interface and seamless integration capabilities, Coinbase Commerce simplifies the process of incorporating digital currencies into online businesses using Shopify, WooCommerce or other platforms like Farcaster to expand their reach to a global customer base.\n\nWhat you'll be doing: \n\n\n* Lead the design, development, and maintenance of scalable, secure, and high-performance fullstack systems for Coinbase Commerce using Ruby, Go, JavaScript, TypeScript, and Solidity\n\n* Drive the technical vision and strategy for Coinbase Commerce, ensuring alignment with business goals and industry best practices\n\n* Collaborate with cross-functional teams to define and prioritize features, improvements, and integrations that drive the growth and success of Coinbase Commerce\n\n* Develop and optimize smart contracts using Solidity for EVM-compatible blockchains to enable seamless crypto payment processing\n\n* Design and implement highly interactive, responsive, and user-friendly frontend interfaces using modern frameworks like React or Angular\n\n* Optimize frontend and backend performance, ensuring fast transaction processing, smooth UI interactions, and efficient resource utilization\n\n* Architect and implement secure, reliable, and well-documented APIs for Coinbase Commerce\n\n* Troubleshoot and debug complex fullstack issues, ensuring platform stability, reliability, and security\n\n* Drive the adoption of best practices in software development, testing, and deployment, and contribute to the continuous improvement of our engineering processes\n\n* Provide technical guidance and support to other engineering teams, and contribute to the overall technical direction of Coinbase\n\n\n\n\nWhat we look for in you: \n\n\n* 8+ years of experience in software development with a strong focus on fullstack development\n\n* Mastery of Go, JavaScript, TypeScript, and Solidity; familiarity with Ruby is a plus\n\n* Deep understanding of Ethereum and EVM-compatible chains and experience with developing smart contracts\n\n* Proven track record of designing, developing, and shipping high-quality, scalable fullstack systems for payment processing platforms\n\n* Strong expertise in frontend development using modern frameworks like React or Angular, and experience with state management libraries like Redux or NgRx\n\n* Solid understanding of distributed systems, microservices architecture, and event-driven architectures\n\n* Experience with databases (PostgreSQL, MySQL, MongoDB), caching systems (Redis, Memcached), and message queues (Kafka, RabbitMQ)\n\n* Comprehensive knowledge of RESTful API design principles and experience with API development, integration and authentication protocols like OAuth and JWT\n\n* Familiarity with AWS and expertise in containerization like Kubernetes\n\n* Deep understanding of web security best practices and experience with implementing secure coding practices for financial systems\n\n* Exceptional problem-solving skills and ability to find elegant solutions to complex challenges in the crypto payment processing domain\n\n* Outstanding communication, leadership, and collaboration skills, with the ability to inspire and mentor teams\n\n* Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent experience\n\n* Passion for Onhain/Web3 and a deep understanding of the crypto ecosystem and its potential applications\n\n\n\n\nJob #: GDFS06NA \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Developer, Design, Web3, Crypto, React, Ruby, API, Engineer and Backend jobs that are similar:\n\n $70,000 — $100,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nSan Francisco Bay Area, California, United States

\nNotabene is on a mission to make crypto a part of the everyday economy. Leading crypto organizations use our tools to reduce transaction risk and make crypto transfers safe. Working across three continents in eight countries, the Notabene team serves our fantastic community of 30+ customers, including financial institutions, fintechs, exchanges, and more.\n\n\nWe’re proud to have the support of leading investors, including Y Combinator, Jump Capital, Castle Island, Green Visor Capital, and more.\n\n\nWe’re at an exhilarating moment in our journey, as regulation technologies (reg-techs) are fast becoming recognized as a vital enabler of the crypto ecosystem. Notabene is growing fast—and we’re looking for people like you to help shape the future rails of the crypto industry! \n\n\nThis QA engineer position is a unique opportunity to impact some of the most innovative companies today. You will operate in a fast-paced environment—regulations are evolving, and market demand is sky-high for new financial products.\n\n\nAs a QA engineer at Notabene you’ll be supporting our product development teams in building scalable, high-quality, and well-tested solutions for our customers. You’ll be involved throughout the full product lifecycle from ideation to release, ensuring service reliability and security through testing and observability.\n\n\n\nWhat you’ll be doing\n* Working closely with product, engineering and customer success\n* Participating in the release process as an advocate for high quality\n* Ensuring the quality of the product throughout the product development lifecycle by implementing a thorough testing plan\n* Testing front and backend applications\n* Be an advocate for high security and infosec best practices\n\n\n\nWhat you bring to Notabene\n* 5+ years working as a quality assurance tester\n* Practical experience working with Node.JS + Express tech stacks\n* Experience building and maintaining CI/CD testing pipelines\n* Automated testing experience for both REST APIs and frontend web apps\n* Strong English communication skills\n* Practical experience working in a fully-remote team (our team is North America, South America, Europe and Asia)\n* Curiosity and passion to constantly learn new things\n* Ownership and Accountability. We have a flexible working culture, and expect team members to effectively manage their own time and resources\n\n\n\n\n\nIf you strongly believe this role is for you, please apply.  Notabene considers a broad array of candidates, including those without blockchain experience. Whether you’re returning to work after a gap in employment, or taking the next step in your career path, we will be glad to have you on our radar.\n\n\nNotabene is proud to be an equal employment workplace and an affirmative action employer. By valuing inclusion and diversity of all forms, we strictly prohibit and do not discriminate based on race, color, religion, national origin, gender, gender identity, gender expression, age, ancestry, citizenship, sexual orientation, status as a protected veteran, or any other legally protected characteristic. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Crypto, InfoSec, Testing, Engineer and Backend jobs that are similar:\n\n $60,000 — $120,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nBerlin

\nNotabene is on a mission to make crypto a part of the everyday economy. Leading crypto organizations use our tools to reduce transaction risk and make crypto transfers safe. Working across three continents in eight countries, the Notabene team serves our fantastic community of 30+ customers, including financial institutions, fintechs, exchanges, and more.\n\n\nWe’re proud to have the support of leading investors, including Y Combinator, Jump Capital, Castle Island, Green Visor Capital, and more.\n\n\nWe’re at an exhilarating moment in our journey, as regulation technologies (reg-techs) are fast becoming recognized as a vital enabler of the crypto ecosystem. Notabene is growing fast—and we’re looking for people like you to help shape the future rails of the crypto industry! \n\n\nThis QA engineer position is a unique opportunity to impact some of the most innovative companies today. You will operate in a fast-paced environment—regulations are evolving, and market demand is sky-high for new financial products.\n\n\nAs a QA engineer at Notabene you’ll be supporting our product development teams in building scalable, high-quality, and well-tested solutions for our customers. You’ll be involved throughout the full product lifecycle from ideation to release, ensuring service reliability and security through testing and observability.\n\n\n\nWhat you’ll be doing\n* Working closely with product, engineering and customer success\n* Participating in the release process as an advocate for high quality\n* Ensuring the quality of the product throughout the product development lifecycle by implementing a thorough testing plan\n* Testing front and backend applications\n* Be an advocate for high security and infosec best practices\n\n\n\nWhat you bring to Notabene\n* 5+ years working as a quality assurance tester\n* Practical experience working with Node.JS + Express tech stacks\n* Experience building and maintaining CI/CD testing pipelines\n* Automated testing experience for both REST APIs and frontend web apps\n* Strong English communication skills\n* Practical experience working in a fully-remote team (our team is North America, South America, Europe and Asia)\n* Curiosity and passion to constantly learn new things\n* Ownership and Accountability. We have a flexible working culture, and expect team members to effectively manage their own time and resources\n\n\n\n\n\nIf you strongly believe this role is for you, please apply.  Notabene considers a broad array of candidates, including those without blockchain experience. Whether you’re returning to work after a gap in employment, or taking the next step in your career path, we will be glad to have you on our radar.\n\n\nNotabene is proud to be an equal employment workplace and an affirmative action employer. By valuing inclusion and diversity of all forms, we strictly prohibit and do not discriminate based on race, color, religion, national origin, gender, gender identity, gender expression, age, ancestry, citizenship, sexual orientation, status as a protected veteran, or any other legally protected characteristic. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Crypto, InfoSec, Testing, Engineer and Backend jobs that are similar:\n\n $60,000 — $120,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nBerlin

kollect.me is a seed stage NFT marketplace. Partnering with brands and creators, kollect.me aims to deliver engaging experiences for buyers all over the world.\n\nWe value creativity, hustle, and low ego. kollect.me is largely a user-driven organization, so you’ll have a seat at the table in influencing the platform, culture, and community. We are an all-remote company, but prefer that you have availability during EU work hours to facilitate better collaboration with your core team.\n\nWe are looking for an experienced CTO or Head of Engineering to join our mission to transform digital collections. This will be a hands on role where you will be required to code. You will also be responsible for growing and shaping our engineering team, including frontend, backend, security and infrastructure.\n\n**Responsibilities**\n* System design and architecture of our Marketplace\n* Responsible for integration with our third party Web3 platforms (Nervos blockchain, minting platform, etc.)\n* Technical tasks, assignments and code reviews\n* Manage and monitor cloud infrastructure\n* Full stack development as needed\n* Removing any blocker in tech development related activities\n* Hiring and growing our engineering team\n\n**Skills**\n* Bachelor’s degree in Computer Science or Computer Engineering (*required*)\n* 6+ years of tech development experience (*required*)\n* Previous startup experience and strong track record (*required*)\n* 2+ years of blockchain industry experience (*preferred*). A deep understanding of the blockchain industry, tokenomics and decentralized product development would be a strong plus\n* Previously worked on a dApp (*preferred*)\n* Vast experience in CI/CD pipelines and architecture at scale (*AWS preferred*)\n* Solid grasp of at least one backend language (Node.js/PHP/Python/Ruby)\n* Solid grasp of a modern UI library (React.js/Vue.js)\n* Experience in Docker and Kubernetes management\n* Vast experience in unit, integration and regression testing\n* Exceptional interpersonal and collaboration skills \n\nPlease mention the words **STEP SODA CONTROL** when applying to show you read the job post completely (#RMjE2LjczLjIxNi4xMjU=). This is a feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human.\n\n \n\n#Salary and compensation\n $90,000 — $120,000/year\n \n\n#Location\nWorldwide

## Argent\nWe believe that the future of money and the internet should be more open and fair. That everybody should have equal access to economic opportunities, and that this brave new future is possible. It can be realised through crypto.\n\nThat's why we started Argent: the world's most simple and secure smart wallet. Empowering you to control and prosper from your digital assets and identity.\n\nWe launched in 2018 and are fortunate to be backed by Silicon Valley and Europe's top investors, including Paradigm, Index Ventures, Creandum and firstminute capital.\n\nWe're now getting ready to bring crypto's benefits to millions more people.\n\n## The role\nWe're looking for a talented senior engineer to join our backend development team. Our backend consists mostly of Java micro-services and a serverless data processing pipeline in Node.js. Our infrastructure runs on AWS (Docker/Beanstalk), deployed and maintained with Terraform.\n\n## Requirements\n* 5+ years experience as a software engineer developing cloud-native solutions\n* Strong computer science, security and networking fundamentals\n\n*You'll have expert knowledge of:*\n* Java (Spring Boot, J2EE) and Javascript (Node.js)\n* Database design (Postgres) and data processing (queues, caches)\n* API design, management and security\n* Functional programming and building serverless systems (AWS Lambda)\n* Unit and integration testing to deliver high quality code\n* Deploying, monitoring and scaling apps in a production environment\n\n*We're also looking for experience with:*\n* Ethereum blockchain\n* Big Data & Data Engineering experience (Spark/EMR/Kinesis)\n* Open source software and contributions\n\n## Benefits\n* Work remotely - anywhere in Europe (but Europe only). No commute. Lots of flexibility. \n* Plenty of time to care for your kids or cats.\n* Equity in a high growth startup backed by the investors of Spotify and Slack.\n* Autonomy - you decide how to achieve your best work.\n* Trips across Europe - for one week every three months we collaborate in person, explore new solutions and have fun. So far we’ve stayed in Nice, Toulouse, Brussels, Lisbon and Barcelona. We'll resume these when safe following COVID.\n* Equipment - pick the tech setup of your choice.\n* Parental leave - generous package for new parents.\n* Build a new industry - help define the future of the web. \n\nPlease mention the words **BUS BOUNCE JUNGLE** when applying to show you read the job post completely (#RMjE2LjczLjIxNi4xMjU=). This is a feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human.\n\n \n\n#Salary and compensation\n $90,000 — $120,000/year\n \n\n#Location\nEurope

\nAbout Argent\nArgent’s mission is to make the next era of the internet - the decentralised web - accessible to everyone. We want a web that you can trust, where you control your own data, assets and identity. And we’re committed to making the user experience even better than the defining products of the existing web.\n\nWe’re an ambitious team, led by experienced entrepreneurs, funded by the top VCs in Europe. You’ll be working alongside PhDs in nuclear physics, quantum cryptography, and decentralised cognitive networks; and former founders and CTOs that have scaled mobile apps to tens of millions of users.\n\nOur first step is to build the world’s simplest and safest mobile crypto wallet.\n\nAbout the Senior Backend Engineer position\nWe’re looking for a versatile and passionate backend developer who will join our team of talented engineers.\n\nYou’ll design and operate the backend services that fuel our decentralised application, develop innovative services on top of Ethereum nodes, and help continuously improve our engineering practices.\n\nSenior Backend Engineer responsibilities are:\n\n\n* Develop new services that will enable seamless interactions between mobile clients and smart contracts\n\n* Lead the architecture, development and operation of our backend infrastructure in a DevOps manner\n\n* Build a layer of innovative services on top of Ethereum nodes\n\n* Continuously improve the efficiency, scalability, and reliability of our backend systems\n\n* Research and recommend testing and automation tools\n\n* Review and enforce security best-practices for all internal and external services\n\n* Collaborate closely with the other engineering teams to ensure an overall efficient architecture of our product\n\n\n\n\n\nSenior Backend Engineer requirements are:\n\n\n* 5+ years of experience designing and delivering scalable distributed systems in Java and a good knowledge of Node.js. Knowledge of Go is a plus\n\n* Knowledge of the Ethereum platform is a plus as our back-end interacts with our Ethereum smart contracts.\n\n* Hands-on experience in designing and operating a secure infrastructure on AWS\n\n* Getting your hands dirty and you are never afraid to experiment with technology\n\n* Good knowledge of cryptography and security best practices\n\n* Strong problem solving and troubleshooting skills\n\n* Being comfortable working in a fast paced startup environment with a lot of unknowns\n\n\n\n\n\nHow we work ?\nWe are a distributed team but find communication much easier when working on similar time zones and a short flight distance. You'll need to be based in the UK or Europe.\n\nEvery quarter we get together for a week to hang out, build, and explore new solutions. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Java, Senior, Engineer, Backend, DevOps, Crypto and Mobile jobs that are similar:\n\n $70,000 — $120,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n

\nAbout Argent\n\nArgent is lead by experienced entrepreneurs and funded by some of the best VCs in London. Our mission is to give millions of users access to a new decentralized web. We believe blockchain technology will lead to global, transparent and accessible financial and consumer services.\n\n\nAbout the Senior Backend Engineer position\n\nWe are looking for a versatile and passionate backend developper who will join our team of talented engineers to help us build the best mobile blockchain browser.\n\nYou will design and operate the backend services that fuel our decentralised application, develop innovative services on top of Ethereum nodes, and help continuously improve our engineering practices.\n\n\n\nSenior Backend Engineer responsibilities are:\n\n\n* Develop new services that will enable seamless interactions between mobile clients and smart contracts\n\n* Lead the architecture, development and operation of our backend infrastructure in a DevOps manner\n\n* Build a layer of innovative services on top of Ethereum nodes\n\n* Continuously improve the efficiency, scalability, and reliability of our backend systems\n\n* Research and recommend testing and automation tools\n\n* Review and enforce security best-practices for all internal and external services\n\n* Collaborate closely with the other engineering teams to ensure an overall efficient architecture of our product\n\n\n\n\nSenior Backend Engineer requirements are:\n\n\n* You have 5+ years of experience designing and delivering scalable distributed systems in Java. Knowledge of other languages such as Javascript, Clojure, Python or Go is a plus\n\n* You have hands-on experience in designing and operating a secure infrastructure on AWS\n\n* You like to get your hands dirty and you are never afraid to experiment with technology\n\n* You have good knowledge of cryptography and security best practices\n\n* You have strong problem solving and troubleshooting skills\n\n\n\n\nHow we work ?\n\nWe are a distributed team but find communication much easier when working on similar time zones. You will need to be based in a timezone between GMT-3 and GMT+3. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Crypto, Senior, Engineer, Backend, Web3, Blockchain, Ethereum, DevOps, Python and Mobile jobs that are similar:\n\n $70,000 — $125,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n