\nAt Tenderly, we're not just shaping the future of blockchain technology – we're defining it. As a full-stack Web3 infrastructure platform, we provide multi-network support and a comprehensive ecosystem that covers every aspect of the blockchain journey, from initial encounters to advanced Node solutions and serverless cloud compute functions.\n\n\nOur mission is crystal clear: to empower developers worldwide to harness the full potential of blockchain technology for creating innovative products. With our robust Web3 infrastructure platform, we've already enabled tens of thousands of developers to work more efficiently with blockchain. We thrive on tackling complex challenges head-on, crafting solutions that push the boundaries of what's possible in the blockchain world. From developing bespoke Ethereum Virtual Machine (EVM) implementations to designing proprietary storage layers optimized for our advanced blockchain node solutions, our team is at the forefront of industry innovation.\n\n\nAbout the role\n\n\nWant to shape the future of blockchain security? As a Senior Distributed Systems Engineer on Tenderly’s Security team, you’ll be at the forefront of building innovative security products that safeguard the most critical protocols in Web3. You’ll design and scale the backbone of our infrastructure, leveraging cutting-edge tech to develop tools that protect users and push the boundaries of blockchain security. Ready to make an impact? Let’s build the future of secure Web3 together.\n\n\nWhat you’ll do\n\n\nBuild High-Performance Systems\n- Design and scale multi-region backend services that power millions of users in real time.\n- Optimize performance to handle hundreds of thousands of requests per second and process terabytes of data without breaking a sweat.\n- Master trade-offs between consistency, availability, and low latency to deliver millisecond response times.\n\n\nEngineer for Scale & Reliability\n- Build resilient data pipelines  with banking-level constraints—consistent, ordered, and processed exactly once\n- Develop real-time streaming solutions with minimal latency, tackling tail latency to deliver a seamless user experience.\n\n\nPush Boundaries and Drive Innovation\n- Explore EVM and Solidity to analyze malicious code patterns and build cutting-edge detection and prevention solutions.\n- Own high-impact projects, such as analyzing terabytes of data in parallel to extract enhanced address and transaction intelligence\n\n\nAbout You\n\n\nWe’re looking for a highly skilled and forward-thinking engineer who thrives in backend development and distributed systems. You love tackling complex infrastructure challenges, optimizing performance at scale, and pushing the limits of what’s possible. If you have experience in blockchain security or cybersecurity, even better!\n\n\nYou should have:\n- Proven expertise in distributed systems, working with large datasets and distributed storage solutions.\n- Deep technical understanding of low-latency systems, high-throughput infrastructure, and multi-region availability.\n- Proficiency in Go, Rust, or a similar systems programming language.\n- Experience designing complex systems that balance strong consistency, availability, and massive scale.\n- Curiosity for blockchain security, including vulnerabilities and attack patterns.\n- Strong communication skills and the ability to collaborate across teams to build world-class solutions.\n\n\n\nWhat we offer\n* Stock Options - Join the ride! Own a piece of our journey with stock options for everyone.\n* Transparent compensation -No secrets here. Enjoy fair, equal, and transparent salaries.\n* Annual bonus - Performance-based bonus amounting up to 20% of employee's annual base salary paid out twice a year based on KPIs.\n* Fully covered parental leave - Welcome your little one with fully paid parental leave.\n* Tech Gear - MacBook, monitor, and the accessories you love—your setup, your way.\n* Flexible, no less-than vacation - We know that unlimited vacation policies usually have the opposite effect, so we have a minimum of 21.5 days to be used in 12 month timeframe.\n* Flexible Hours - Work when you work best. Collaboration is key.\n* Health Insurance - Keep yourself and your family healthy with our comprehensive coverage.\n* Continuous Learning - Elevate your skills with regular trainings and a professional development budget. We invest in your growth.\n\n\n\n\n\n\nWhy Tenderly?\nJoin us at Tenderly, where our values are not just words on a page but the driving force behind our innovative journey.\nFanatic Drive\nWe're passionately driven to solve our users' problems, tackling challenges with intensity and speed. Our work is our obsession, and we thrive on the fast-paced world of Web3.\nUnderdog Mentality\nWe love defying the odds, rejecting the status quo, and achieving the impossible. We're on a mission to revolutionize blockchain technology, constantly pushing boundaries.\nInward Responsibility\nWe hold ourselves accountable, always striving to improve. We embrace feedback, knowing it drives personal growth and collective success.\nIntentional Collaboration\nOur success relies on individual contributions and mutual support. We share ideas openly, trust each other completely, and continuously push each other to excel.\nTenderly Transparency™️\nWe believe in open, honest communication. We share knowledge and opinions freely, fostering a culture of accountability and trust.\n\n\n\n\n\n\nTenderly is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Web3, Cloud, Node, Senior, Engineer and Backend jobs that are similar:\n\n $80,000 — $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\nEurope OR In-Office Belgrade

\nFlow is a layer one blockchain designed from the ground up as a platform for a new generation of Web3 apps, games, and the digital assets that power them. Flow is home today to millions of users and apps from top tier creators including Genies, Cryptoys, Doodles, and Dapper Labs (NBA, NFL, Disney) as well as industry leaders such as Mattel (Barbie, Hot Wheels), LiveNation / Ticketmaster, and many more.\n\n\nWe’re looking for a visionary Senior Software Engineer to help us drive the future of developer experiences, develop cutting-edge tools, and demonstrate the power of Flow to our community.\nThe ideal candidate is passionate about the crypto ecosystem, has a robust technical background, and thrives in dynamic environments. You will be part of a team dedicated to removing friction, aiding development, engaging the community, and accelerating growth.\n\n\n\nWhat we will accomplish together:\n* Create tools that enable developers to build and iterate quickly and effectively\n* Produce clear documentation and guides and share inspiring “ah-ha” apps to inspire and empower developers and product managers\n* Foster a culture dedicated to exceptional developer experiences through APIs, SDKs, and comprehensive documentation\n* Develop seamless onboarding experiences to accelerate developers’ productivity\n* Engage with the community to gather feedback and continuously improve our tools and resources\n* Lead by example by contributing to the codebase, reviewing pull requests, and providing technical guidance to the team\n\n\n\nAbout you: \n* You have a positive attitude and are optimistic about the future of blockchain technology\n* You have 6+ years of experience in software engineering with a strong technical background in full stack development\n* You possess hands-on coding experience in languages such as JavaScript/TypeScript, Go, Node.js, and frameworks like React, Next.js, and Svelte\n* You understand Ethereum and EVM-compatible chains, with hands-on experience in smart contract development using Solidity or comparable language\n* You adapt swiftly to changing priorities. In the fast-paced world of crypto, what you work on today might be different from last month. You thrive in this dynamic environment and embrace the excitement of new challenges\n* You excel in problem-solving and decision-making, with a focus on delivering results and value\n* You are familiar with Agile methodologies and committed to continuous improvement\n* You are experienced with cloud platforms GCP, AWS, containerization technologies like Kubernetes, and CI/CD platforms\n* You understand web security best practices and have implemented secure coding practices\n* You have some experience working with systems in a crypto-related environment\n\n\n\n\n\n\nFlow is a remote-first team of seasoned technologists dedicated to our mission of mainstream Web3 adoption. Founded in Vancouver, Canada, Flow’s team is now spread primarily across the US and Canada – with small presences in Europe, Asia, and the Middle East. Less than 6 months from now, Flow delivers Crescendo, its biggest technical upgrade since launching the network. Included in the Crescendo release is Cadence 1.0, a major upgrade of the Cadence programming language which enables fully immutable smart contracts on Flow; as well as full EVM equivalence, allowing Flow to host EVM-based smart contracts, platforms, tooling, and utilities natively and fully composable with the Cadence environments. With Crescendo, Flow will be as easy to deploy onto as any EVM-based Layer 2, while preserving the full capabilities of the rest of the protocol. Crescendo upgrade will catalyze a massive improvement in liquidity on Flow including on- and off-ramps as well as a native DeFi ecosystem that serves as a liquidity backbone for the entire network.\n\n\nAt Flow Foundation, we prioritize recruiting top talent and cultivating an empowering environment for our team. This entails fostering a workplace that is characterized by diversity, inclusivity, and open-mindedness. We enthusiastically welcome applicants from all walks of life, regardless of race, color, religion, sexual orientation, gender identity, national origin, or disability. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Web3, Crypto, Cloud, Senior and Engineer jobs that are similar:\n\n $80,000 — $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\nRemote, USA Remote, Canada

\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

## 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 (#RMjE2LjczLjIxNi4xNDY=). 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