\nOur Vision: Machines Will Be Our Future Workforce\nHere at MachineFi Lab, we’re building tomorrow’s internet today and powering the new reward economy by creating a fairer / safer / and more rewarding internet of things! MachineFi is a new paradigm that underpins the future Web3 machine economy, where machine resources, services, and intelligence can be monetized/financialized to deliver value, control, and ownership to everyday people and businesses, not centralized corporations. If you’re a maverick, a digital renegade, one of those who say no to the status quo, a person crazy enough to think you can change the world, then MachineFi is for you.\n\n\nSenior Engineer, SRE/DEVOPS. (Part-Time/Contract Position)\nEngineering | US (All Locations)\n\n\nJob Overview:\nWe are seeking a talented and experienced DevOps/SRE Engineer to join our fast-paced and innovative team. As a DevOps/SRE Engineer at MachineFi, you will play a crucial role in ensuring the reliability, scalability, and security of our blockchain infrastructure. You will collaborate with cross-functional teams to implement and maintain robust DevOps practices, automate deployment pipelines, and enhance the overall system performance.\n\n\n\nResponsibilities:\n* Infrastructure Automation: Design, implement, and maintain infrastructure as code (IaC) using tools such as K8S, Terraform or Ansible on GCP and AWS.\n* Automate deployment, scaling, and management of blockchain nodes and related services.\n* Continuous Integration/Continuous Deployment (CI/CD): Develop and maintain CI/CD pipelines for blockchain and backend applications to ensure efficient and reliable release processes.\n* Implement automated testing strategies to validate code quality and deployment readiness.\n* Monitoring and Incident Response: Establish and maintain monitoring solutions for the entire infrastructure.\n* Collaborate with development teams to enhance application-level monitoring and alerting.\n* Participate in on-call rotations to respond to incidents promptly.\n* Security and Compliance: Implement and enforce security best practices across the infrastructure.\n* Work closely with the security team to conduct regular audits and ensure compliance with industry standards.\n* Capacity Planning and Performance Optimization: Analyze system performance and make recommendations for improvements.\n* Collaborate with cross-functional teams to plan for future infrastructure needs.\n* Documentation: Create and maintain comprehensive documentation for infrastructure configurations, processes, and procedures.\n\n\n\nQualifications:\n* Bachelor’s degree in Computer Science, Information Technology, or a related field.\n* Proven experience as a DevOps Engineer or Site Reliability Engineer in a blockchain/crypto environment.\n* Strong proficiency in scripting languages (e.g., Python, Bash).\n* Experience with containerization and orchestration tools (Docker, Kubernetes).\n* Familiarity with blockchain technologies (e.g., Ethereum, Cosmos).\n* Significant experience with AWS public cloud technologies implemented large-scale container clusters: AWS, EKS, Infrastructure as Code: Terraform, Containers technologies (Docker and Kubernetes), and IAM\n* Strong programming/scripting skills with one or more scripting languages (Python, Go, Ruby, Bash, etc.) and strong Linux OS and networking fundamentals.\n* Experience building monitoring systems to ensure high availability, performance, and security integrity (e.g., ELK-stack, Pingdom, Opsgenie/Pagerduty, Kiali, Weave Scope, CloudWatch, CloudTrail, etc.)\n* Hands-on experience in operating microservices architecture based SaaS products, REST web services, SSO (Okta, Auth0), EC2-RDS, MySQL and Elasticsearch.\n* Solid understanding of network protocols, security, and system administration.\n* Experience with cloud platforms (e.g., GCP, AWS, Azure) and related services.\n* AWS System Architect certification is strongly preferredKnowledge of CI/CD tools (e.g., Jenkins, GitLab CI).\n* Strong problem-solving skills and the ability to work in a collaborative team environment.\n* Self-motivated and excited about the ambiguity, opportunity, and self-direction required at an early stage startup.\n\n\n\n\n$175,000 - $200,000 a year\n\nIf you are passionate about blockchain technology, thrive in a dynamic environment, and possess the skills and experience outlined above, we invite you to apply for this exciting opportunity to contribute to the future of decentralized innovation. Join us at MachineFi and be part of a team that's shaping the future of blockchain technology.\n\n\nAbout MachineFi and Our Culture:\n\n\nMachineFi Lab, IoTeX’s core developer, is a leading tech provider for Decentralized Physical Infrastructure Networks (DePIN), a Web3 category predicted to become a multi-trillion-dollar economy powered by billions of smart devices and trillions of sensors. Its team of over 60 research scientists and engineers released W3bstream, the world's first decentralized off-chain compute framework for smart devices and real-world data. It aims to provide advanced middleware and tools for Web2 businesses connecting to Web3 token incentives with real-world activity confirmed by user-owned smart devices, unlocking new business opportunities through its Proof-of-Anything technology, which can be used with several data sets, such as in location, activity, and humanity. \n\n\nMachineFi Lab’s easy-to-use tools for the creation of  X-and-earn scenarios, such as play-and-earn, walk-and-earn, or sleep-and-earn—community-owned machine networks, such as smart cities, public utilities, and other physical infrastructure. Backed by nearly 20 prominent VCs, including Samsung Next, Jump Crypto, Draper Dragon, Xoogler Ventures, IOSG, Wemade, and Escape Velocity, MachineFi Lab is building advanced technology to bring the metaverse into the real world, and vice versa.  \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to SaaS, Web3, Testing, DevOps, Cloud, Senior, Engineer, Linux and Backend jobs that are similar:\n\n $60,000 — $105,000/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\nUS Remote

\nNote to all applicants: We are a remote-first team, however, the majority of our employees are based in the EMEA region, so we have a preference for candidates who can work remotely in the EMEA time zones. \n\n\nPlease also note: as a team who are looking to lead the way in Web 3, we require all applicants to have previous experience in the Web 3 / Blockchain Industry\n\n\nJoin a leading Web 3 company that’s enabling and powering the builders of the new internet!\n\n\nBiconomy’s foundations were built on making Web 3 accessible and simple to all. We do this by making blockchain transactions seamless, and by doing so, we are accelerating the mainstream adoption of Web 3.\n\n\nThat’s why ease and accessibility are imperative to our innovations and solutions. While we build for developers, our work radically simplifies the overall user experience on Web 3. By abstracting away blockchain complexities, the end user enjoys the benefits of Web 3 with the familiarity of Web 2.\n\n\nWe are already solving for some of the leading players in the blockchain space & are emerging as the default transaction stack for Web 3. Some of our numbers:\n\n\n- Processed 38+ million transactions\n- Facilitating over $441 million + of transfer volume\n- Saving users over $5.6 million in gas fees!\n\n\nWhat are we looking for?\n\n\nWe are seeking a highly skilled Senior Backend Engineer to join our dynamic and ever-growing team at Biconomy. You will play a crucial role in building developer-focused infrastructure and toolkits for the multi-chain environment and other exciting Web 3.0 products. We value ambitious and creative builders who can contribute to the future of blockchain technology.\n\n\n\nWhat will you be doing?\n* Build and contribute to backend systems supporting Biconomy products, interacting with different blockchain networks and external systems.\n* Develop scalable and robust client-facing backend APIs, internal microservices, and scripts for efficient business logic execution.\n* Write optimized code and algorithms, ensuring efficient memory, CPU utilization, and data storage.\n* Utilize technologies like Node.js, Typescript, and Go, along with frameworks like NestJS and ExpressJS (additional stacks may be used based on project requirements).\n* Collaborate with engineers, QA, and DevOps teams to deliver high-quality code within project timelines.\n* Work with a team focused on building decentralized frameworks and infrastructure for innovative programs and applications.\n\n\n\nYour experience should include:\n* Familiarity with object-oriented programming concepts and principles.\n* Experience developing backend REST APIs at scale, handling high request volumes while maintaining low latency and optimal system performance.\n* Proficiency in designing and implementing microservices that can efficiently communicate with each other, even during spikes in requests.\n* Expertise in working with NoSQL databases, cache layers like Redis, and creating optimized schemas for efficient data retrieval.\n* Knowledge of concepts like locks, parallel processing, and multithreading.\n* Familiarity with logging frameworks and best practices for effective debugging.\n* Understanding of decentralized networks and distributed data storage.\n\n\n\n\n\nWhat's in it for you?\n\n\nJoining Biconomy offers exciting opportunities within the growing Web 3 industry. You will gain firsthand experience and insights into a crypto project from both business and technical perspectives.\n\n\nYou will be part of a talented and diverse global team, driven by our mission to make Web3 frictionless and accessible to mainstream users.\n\n\nAdditionally, you will have the chance to build amazing products alongside an incredible team of developers, shaping the groundbreaking landscape of Web3 products and services.\n\n\nWhat we offer:\n\n\n- Work from anywhere (Remote first)\n- Flexible working hours\n- Unlimited vacation policy\n- Competitive Salary with regular reviews\n- Token Allocation\n- Opportunity to grow. The sky's the limit if you're hungry to succeed\n- Be an integral part of building the narrative for the digital economies of the future\n- Game nights, virtual celebrations, and work retreats\n\n\nBiconomy is committed to a diverse and inclusive workplace and is an equal opportunity employer. We do not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or 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 Web3, Crypto, DevOps, NoSQL, Senior, Engineer and Backend jobs that are similar:\n\n $60,000 — $110,000/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\nDubai

\nWho We Are\n\n\nSubspace Network is building a radically decentralized, next-generation blockchain which allows developers to easily run Web3 apps at Internet scale. Subspace is based on original research funded by the US National Science Foundation and planning to launch its Network later this year. Subspace Labs is an early-stage, venture-backed startup with a remote-first, globally distributed team. To learn more, visit our website, view our team handbook, and read the technical whitepaper.\n\n\nWe are seeking a DevOps Engineer to join our rapidly growing team of Blockchain and Cryptocurrency enthusiasts and engineers.\n\n\n\nIn this role you will be responsible for:\n* Operating and maintaining of backend blockchain infrastructure of the Subspace Network on top of bare metal services, VMs and Kubernetes clusters.\n* Following principles of infrastructure as code to make operations well defined and maintainable.\n* Ensuring reliable operation through monitoring and observability.\n* Educating and enabling the rest of engineering team with automation of CI/CD and other development workflows.\n* Sustaining good site reliability practices with incident response and postmortem analysis\n\n\n\nKey Requirements:\n* Rich experience working with Linux servers, networking, virtualization and containerization technologies.\n* Experience setting up and operating production Kubernetes clusters, virtual machines and Linux bare metal servers.\n* Familiarity with cloud-native landscape of tooling and experience of successfully deploying them to production environments (Terraform, Ansible, Prometheus/VictoriaMetrics+Grafana, ArgoCD, etc.).\n* Solid understanding of blockchains and successful experience of maintaining of blockchain node (bootstrap, RPC, validator) infrastructure.\n* Be proactive, willing to help engineers so stay productive in fully-remote setting.\n* Knowledge of at least one programming language.\n* A passion for decentralized, peer-to-peer systems and Web3 technologies.\n\n\n\nBonus Experience:\n* Familiarity with the Rust and TypeScript languages and their tooling.\n* Familiarity with Substrate and the Polkadot ecosystem.\n* Active participation in Open Source development of DevOps/SRE-related tooling, presenting at conferences and meetups.\n\n\n\nWhat We Offer:\n* A globally distributed work environment with a high degree of autonomy and agency.\n* You will play a critical role in implementing a new layer one blockchain.\n* Salary and options befitting an early hire at a venture-backed startup.\n* Medical, dental, and vision insurance (US-based only).\n* Company-sponsored team offsites in various locations around the world.\n\n\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 Web3, DevOps, Typescript, Node, Engineer, Linux and Backend 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
\n\n#Location\nInternational

[Rolla](https://rolla.finance) is building a cutting edge DeFi Options trading protocol that’s extremely user-friendly, designed to bring high yield generation strategies to everyone in crypto, while abstracting the complexities of DeFi and derivatives. \n\nOur team is a tenacious, geeky and optimistic group, working towards a decentralized financial future. You’ll be joining a highly technical team that values shipping beautiful, usable products to give people real control over their financial future. Our team members from Sushi, Polygon, BitTorrent, Adyen and commit to top 10 web2 and web3 core repos.\n\nWe’re also backed by the top investors and option market makers in the cryptocurrency space that believe in our vision. At Rolla, you’ll have access to industry leaders, developers, exchanges and traders to collaborate and engage with as you pioneer the next frontier of DeFi.\n\n\n**Requirements**\n\n* 1+ years in a SRE / DevOps\n* 2+ years in Node.js development\n* Experience working with security critical systems\n* Experience with automating existing processes and streamlining the way teams work\n* Experience with Crypto / Blockchain / Web3 / Ethereum applications or systems\n* Fluent in English\n* Asian timezone\n\n\n**Responsibilities**\n\n* Developing backend services and features in Node.js\n* Managing cloud-based infrastructure and containers (Kubernetes)\n* Automating and streamlining existing processes to aid the development team\n* Continuously be finding ways to build a more scalable and higher quality architecture and platform\n\n**Rolla Offer**\n\n* A truly rare opportunity to work on the bleeding edge of the future of decentralized derivative trading. You’ll be building products with the potential to give millions of people trustless yield on their money\n* Great culture: highly ambitious, smart, friendly, non-hierarchical, collaborative and entrepreneurial\n* Top fixed compensation and token options. Get an early share of Rolla’s future token and be able to participate in Rolla’s upcoming DAO\n* Flexible work hours and location, with the ability to work in person (preferred) with team members in Asia\n* World Class investors. We're backed by the top VC's in crypto and you'll have access to industry experts\n \n\n#Location\nEurope or Asia

Quant's mission is to give people real control over their financial future, starting with crypto options. With Quant, you'll be able to trade crypto options instantly, free, in a permissionless and easy to use web and mobile app. We are blurring the line between DeFi and regular finance in regards to option trading.\n\nYou will be joining a highly technical team that has deep knowledge of trading, and values shipping beautiful, usable products. We are early adopters in a nascent space, and are continuously laying the groundwork and raising the bar of the decentralized trading standard.\n\nIf you’re interested in bringing permissionless crypto options to the masses, where no one entity can decide your financial future, we want to talk to you.\n\n**Our Team**\nWe have deep crypto experience with founders that have built a leading crypto exchange, world class marketing making services and contributed to top 10 DeFi code bases. Our partners include top crypto venture capital and market making firms doing billion dollar daily derivatives trading volume. We have strong culture of continuous learning, authenticity, and tenacity. Moreover, the team, our investors, advisors all actually care about what we are building and want to use our own protocol and products.\n\n**Responsibilities**\n\n* Optimize a fast, simple and enjoyable experience across the Quant web and mobile platforms\n* Work together with designers and backend engineers to implement new features and integrations\n\n**Requirements:**\n* Strong knowledge of cutting edge standards of JavaScript (3 years+)\n* Strong knowledge of React (2 years+)\n* Worked with Ethereum dapps, familiarity with web3.js/ether.js\n* Ability to think outside the box to find interesting features that enhance the user experience and bring the practicality to the blockchain industry\n* DevOps experience. We use Kubernetes, Docker and the cloud.\n* Passion for DeFi, and are an active power user.\n* Willing to work extended hours and on weekends if necessary\n\n**Nice to haves**\n* Have knowledge of trading options\n* Experience building or using subgraphs.\n\n**Benefits**\n* Work with a motivated and proven team building something you'll actually use\n* Highly competitive salary\n* Equity stake in Quant's success\n* Flexible work hours and location\n* We're backed by the top VC's in crypto and you'll have access to industry experts \n\nPlease mention the words **ORANGE ASPECT SUFFER** when applying to show you read the job post completely (#RMy4xNDQuMTQ5LjIxNw==). 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 — $150,000/year\n \n\n#Location\nWorldwide

OpenNode is building the future of money through simple, secure, instant, and low-cost Bitcoin payment infrastructure for businesses everywhere.\nWe are now seeking a Senior Software Engineer (Backend) to deliver distributed, resilient and high-performing backend services using Node.js + TypeScript.\nThe role will report to the CTO. This position is full-time and ideally based in Los Angeles, CA - but location is flexible for the right candidates.\n## Requirements\n- 5+ years of experience designing and building backend systems\n- Proven expertise with SWE standard methodologies for development, code reuse, testing etc\n- Experience with web services (consuming and creating) with REST\n- Experience with developing scalable platforms with RDMS (PostgreSQL), real time messaging systems, advanced cache stores like Redis\n- Capable and willing to add value from micro to macro\n- Thoughtful and articulate.\n## Responsibilities\n- Work closely with the CTO to design and develop distributed, resilient and high-performing backend services using Node.js\n- Maintain and improve existing services which include actively trying to pay back technical debt and extend their functionality\n- Act in a technical leadership capacity by mentoring junior engineers and new team members\n- Work both collaboratively and independently\n- Investigate new technologies and practices\n- Work closely with front-end developers\n## Bonus points\n- Experience with AWS\n- Experience with DevOps practices\n- Experience with gRPC\n- Understanding of Bitcoin and the Lightning Network\n- Entrepreneurship or startup experience\n- Adept at writing technical documentation\n- Speak multiple languages and/or have spent significant time abroad\n- Well connected in the crypto and/or payments industry \n\nPlease mention the words **CALL SOUP DOOR** when applying to show you read the job post completely (#RMy4xNDQuMTQ5LjIxNw==). 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 $60,000 — $140,000/year\n \n\n#Location\nWorldwide

Mothership is looking for you if you identify as a senior backend engineer with at least 6 years of experience behind you. You will have a challenge to design and implement a cryptocurrency exchange and it's sub-systems to handle dozens of thousands operations a second, make it scalable and reliable. As a senior engineer you will design micro-services and APIs, apply the best development practices with the high requirements for security, performance and reliability.\n\nYou should be able to use a modern technology stack and follow best design, coding and devops practices. You have strong skills, but are technology agnostic and can work with any tool to solve a problem. You think before you do and can articulate your decisions to teammates, provide specification and delivery roadmap. If you believe this sounds like you, then we'd love to welcome you to the Mothership Engineering team. \n\nPlease mention the words **CASE FIRST ABILITY** when applying to show you read the job post completely (#RMy4xNDQuMTQ5LjIxNw==). 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 No salary data published by company so we estimated salary based on similar jobs related to JavaScript, Crypto, Node, Senior, Golang, Backend, Web3, Blockchain, Bitcoin, Developer, Digital Nomad, DevOps and Engineer jobs that are similar:\n\n $60,000 — $120,000/year\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