\nStaff Backend Engineer\nWe’re looking for an incredible staff engineer to help us build the future of blockchain scalability. This is an ideal opportunity for an engineer who is already passionate about tackling problems in blockchain scalability, or looking to break into the blockchain engineering space. If you’re looking to work in a fast-paced, high-impact team and help shape the direction of our product and company, this position is for you. We’re backed by some of the best investors in the valley and offer competitive pay, an equity grant in the company, and full benefits.\nAbout Caldera\nCaldera enables dynamic, scalable blockchain experiences. Currently, dapps that are deployed to general-purpose blockchain compete with thousands of other applications for space on the network — this can lead to congestion and high fees or even network outages. That’s where we come in. We’re building software that makes it easy for the most innovative blockchain applications to launch their own ultra-performant blockchains (rollups), enabling applications to own their ecosystem, scale to millions of users, and provide a superior user experience to their users. We’re located in San Francisco, and work in-person from the Financial DistrictAs a Staff Backend Engineer at Caldera, you will:\n\n* Architect and develop backend systems to ensure the smooth operation of Caldera’s blockchains\n\n* Build secure and scalable crypto-native systems on EVM blockchains ie indexers or relayers\n\n* Take ownership of new features from conception through to deployment for Caldera’s self-serve infrastructure platform\n\n* Take the lead on data model design, ensuring that databases are optimized for performance, scalability, and reliability\n\n* Engage in performance tuning and optimization efforts, profiling systems then reducing latency + increasing throughput\n\n* Be a source of technical leadership and mentorship; for example, providing high-quality feedback and code reviews for junior engineers\n\n\nYou might be a fit for this role if you...\n\n* Have 4+ years of engineering experience\n\n* Have experience writing backend services in Go or Typescript\n\n* Have experience designing, building, and maintaining robust APIs\n\n* Have a strong ability to design efficient and scalable data models.\n\n* Strong background with cloud computing platforms, especially AWS\n\n* Keen eye for security, solid understanding of threat modeling and secure system architecture\n\n\nBonus points if you...\n\n* Have experience with modern infrastructure; containerization, infrastructure as code, kubernetes\n\n* Are familiar with how blockchains like Ethereum or Bitcoin work under the hood\n\n* Are up-to-date with Ethereum scaling solutions such as sidechains or rollups\n\n* Have an understanding of cryptography primitives, such as hash functions or digital signatures\n\n* Have built Ethereum “dapps” before\n\n\n \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Bitcoin, Cloud, Junior, Engineer and Backend jobs that are similar:\n\n $52,500 — $82,500/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\nWorldwide

About IOV LabsIOV Labs is on a mission to provide the next generation of fintech innovators with the decentralised tools and technology to build a new global economy.IOV Labs develops, promotes, and supports Rootstock, a Bitcoin merge-mined smart contract platform - the most secure smart contract platform in the world. IOV Labs also develops RIF Apps & Services to provide our partners with everything they need to build decentralized apps and new Open Finance services on Rootstock.Everyday our teams come to work to build a more decentralised world, for a freer and fairer future.About the RoleWe are looking for a Senior Backend Developer to join a team of high qualification and technical excellence for one of the most challenging projects in the Bitcoin and FinTech industry worldwide.Rootstock is an open-source, decentralized and peer-to-peer network that brings smart contracts to the Bitcoin ecosystem. It is the first one to provide the possibility of running Ethereum smart contracts in Bitcoin, using bitcoin as its native cryptocurrency, and leveraging Bitcoin's hashing power. Rootstock is one of the most exciting projects in the crypto and blockchain space!\nThe Rootstock Powpeg team is responsible for evolving and maintaining the Bridge contract and the Powpeg client. It reviews and promotes community contributions, being an active and key member of the Rootstock platform evolution. People in this team have a great understanding of how the Rootstock, Bitcoin and Ethereum protocols work,  improve network's security, scalability and performance through the implementation of new consensus rules, work side by side with industry referents in Blockchain security to protect the network, also understand how developers interact with the Rootstock technology to deploy and run smart contracts, among other things.\n What You’ll be Doing\n\n* Collaborate with other engineers and teams to implement new features, improvements, and fixes to the Rootstock Bridge native contract.\n\n* Collaborate with other engineers and teams to implement new features, improvements, and fixes to the Rootstock Powpeg client.\n\n* Work with your team to make Rootstock more secure and robust, enabling it to execute a significant volume of transactions with no disruption.\n\n* Improve the user experience of our technologies, making it very easy for users to run their solutions on top of Rootstock.\n\n* Help with design and code reviews. Ensure good engineering practices are being applied.\n\n* Learn about blockchain, crypto, Ethereum, and Bitcoin, working on one of the most exciting open-source projects in the blockchain industry.\n\n\nWhat You Bring to the Table\n\n* Have advanced knowledge in object-oriented programming language JAVA.\n\n* Have experience working on technological challenging projects.\n\n* Bring the right attitude to the team: ownership, accountability, and attention to detail.\n\n* Have knowledge about Bitcoin or Ethereum (not mandatory).\n\n* Place a high value on security.\n\n* Spanish & English fluency is a huge advantage\n\n\nWhat You’ll get Back\n\n* Competitive salary and company bonus\n\n* 100% remote working (External Employee) from anywhere in the world\n\n* Global WeWork membership \n\n* Flexible working hours - you’re free to work however you work best.\n\n* Paid holidays and personal leave days\n\n* Opportunity to work with state of art technology in a challenging and unique project.\n\n* Internationally diverse and dynamic team with a clear vision and strategy.\n\n* Training programs to learn everything about the crypto world. \n\n* Periodic scientific moments by our Research & Innovation team to learn about technology, challenges, and solutions in the blockchain world.\n\n* Language courses: English & Spanish.\n\n* Employee assistance program offering legal, financial, family, psychological, and wellness counselling for you and your family.\n\n\nIOV Labs embraces diversity and is proud to be an equal opportunity employer open to all qualified applicants regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, Veteran status, or any other legally protected status. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Crypto, Ethereum, Finance, Senior and Backend jobs that are similar:\n\n $65,000 — $122,500/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\nGlobal - Remote

\n\nBitcoin Depot is seeking a Senior Software Engineer to help grow and maintain our products and business essential software tools by ensuring scalability. The main qualifications for this position are experience in TypeScript, Nodejs, GraphQL, Redis, and Message Queues. Secondary are OAuth2, SQL, React and AWS. This position is 100% remote.\n\nBitcoin Depot is the largest Bitcoin ATM Network in the world offering users the ability to buy and sell Bitcoin at thousands of BTM and BDCheckout locations.\n\nWe are proud to be an Atlanta Journal-Constitution Top Work Place for 2021 and 2022, the inc 5000, and placing on the ACG Georgia Fast 40 list for two consecutive years. We currently trade on the NASDAQ under the ticker symbol BTM. \nResponsibilities\n\n\n* Design, develop and implement future software projects\n\n* Maintain, add features, and improve (refactor/document) our current software projects\n\n* Clearly communicate timelines, delivery order and options to non-technical management\n\n* Act as part of a team of Developers and collaborate with technology teams\n\n* Reliably execute and consistently deliver on team/company goals\n\n* Work directly with product managers to transform user needs into technical requirements\n\n* Take ownership over entire systems and large software projects\n\n* Implement product requirements with minimal guidance from other engineers and leadership\n\n* Assist with mentoring junior team members\n\n* Proactively identify, communicate, and resolve software defects and security vulnerabilities\n\n* Create concise design documents and diagrams to efficiently communicate solutions to team\n\n\n\nRequired Skills\n\n\n* TypeScript\n\n* Nodejs: express, nestjs\n\n* GraphQL\n\n* Caching: redis, memcache\n\n* Message Queues: BullMQ, RabbitMQ\n\n* JavaScript: async/await, commonjs, es6\n\n* RESTful backend micro services\n\n* Databases: SQL, NoSQL, MongoDB, Postgres\n\n* Authentication: OAuth2, OpenID Connect, Sessions, JWT\n\n* Testing: Jest, Mocha\n\n* Monorepos: nx, lerna\n\n* React & Redux\n\n* Project management tools: Jira, Trello, Scrum, Notion, Confluence\n\n\n\nPreferred Skills\n\n\n* AWS: EC2, ECS, ECR, lambda, S3, CloudFront, DynamoDB\n\n* GCP: AppEngine, CloudRun, CloudFunctions, CloudStorage, Google Datastore\n\n* Containerization: Docker, Kubernetes\n\n* Python2 and Python3\n\n\n\nQualifications\n\n\n* 7+ years experience creating responsive, resilient software products\n\n* Bachelor's degree in computer science, software engineering, computer engineering, electrical engineering, or similar discipline\n\n* Demonstrated experience knowing when to make surgical improvements to software vs. recommending large scale change\n\n* Must ensure what is developed is testable and also unit-tested\n\n* Experience refactoring, improving and reviewing existing code and adding improvements\n\n* Experience working in quality, Continuous Delivery\n\n* Experience in building alongside Quality Assurance teams, providing Technical Documentation, and Testing Approaches\n\n* Experience working in an Agile/Scrum development environment\n\n\n\n\nBenefits:\n\n\n* 401K Matching\n\n* Health benefits offered with a company contribution towards premiums\n\n* Paid wellness membership\n\n* Equity \n\n* Paid time off & holidays\n\n* Annual in-person team building events\n\n* Virtual team building events\n\n* Remote first environment\n\n\n\n\nBitcoin Depot 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
\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\nWorldwide