\nAbout Us\n\n\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 server-less 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\n\n\nAbout the Role\n\n\nDo you love the challenge of turning raw machine code and data into clear, human-readable insights, while working at the intersection of blockchain and scalable cloud systems?\n\n\nAs a Technical Lead Backend Engineer on our Debugger team, you’ll play a pivotal role in decoding the complexities of blockchain infrastructure and developing systems that bring real-time insights to life. This is your opportunity to build transformative solutions in the blockchain space while empowering teams and customers alike. While you'll lead technical direction and decisions, this is not a people management role—your focus is on delivering exceptional engineering solutions.\n\n\nWhat You’ll Do\n\n\nBuild for Scale\n✦ Lead the development of scalable cloud debugging tools that work instantly across diverse environments—eliminating bottlenecks for users.\n✦ Collaborate on the creation of backend services for internal teams and customer-facing applications.\nLead Technical Excellence\n✦ Take ownership of technical decisions that shape Tenderly’s blockchain infrastructure.\n✦ Ensure system designs meet performance, reliability, and scalability standards.\nInnovate and Optimize\n✦ Develop robust, scalable backend systems that support cutting-edge cloud debugging and blockchain infrastructure.\n✦ Design solutions that transform low-level bytecode into usable, human-readable source code.\nDrive Real-Time Impact\n✦ Build capabilities for real-time transaction processing and automatic validation of source code against deployed system code.\n✦ Create systems that enhance the stability and reliability of critical cloud services.\nCollaborate and Innovate\n✦ Partner with cross-functional teams to design features that delight customers and solve complex problems.\n✦ Work on product-driven initiatives that push the boundaries of blockchain infrastructure.\n\n\nAbout You\n\n\nWe're looking for a highly skilled and innovative engineer with a passion for backend development and blockchain technology. You should have:\n \n✦ Impactful Experience: A track record of delivering scalable solutions for internal and customer-facing systems in dynamic environments.\n✦ Leadership & Ownership: Confidence in leading technical decisions and taking projects from concept to execution.\n✦ Computer Science Foundation: Strong understanding of core principles, with knowledge of compilers and low-level execution as a plus.\n✦ Collaborative Mindset: Excellent communication skills and the ability to thrive in cross-functional teams.\n✦ Technical Expertise: Proficiency in Go, Kubernetes, and cloud platforms, with experience decoding low-level bytecode, building cloud debugging systems, and enabling real-time transactions.\n✦ Blockchain Curiosity: An interest in blockchain infrastructure; experience is a bonus but not required.\n✦ Problem-Solving Skills: Proven ability to tackle performance, scalability, and reliability challenges, including validating and verifying source code.\n\n\n\n\n\n\nWhy Tenderly?\n\n\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\nWhat We Offer\n\n\nFinance\nStock Options - We believe that everybody should own a part of the company and we want our team members to benefit from our shared success.\nTransparent compensation - To ensure fair and equal pay for all employees, salaries within the company are completely transparent.\n\n\nSupport in Life Changes\nFully covered maternity leave - The leave is fully covered, in the amount of the last salary person received during the regular engagement.\nPaternity leave - Four weeks of paid time off after a baby has arrived to help share the joys & responsibilities.\n\n\nWorking environment\nIn-office breakfast, lunch & drinks (Belgrade Office)\nCompany equipment - Standard equipment includes a MacBook laptop, monitor, and a keyboard and mouse of your choice.\n\n\nWelfare\nFlexible, no less-than vacation policy - We know that unlimited vacation policies usually have the opposite effect, so we encourage people to actually take and use their time off for rest and relaxation. We have established a minimum of 21.5 days that should be used in a given time of 12 months.\nFlexible working hours - You are fully entrusted to effectively manage your working hours, the only important thing is that it allows for collaboration with your team.\nHealth insurance for you and your dependants - Medical insurance to keep you and your spouse, partner, and children healthy.\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, Engineer and Backend jobs that are similar:\n\n $65,000 — $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\nEurope OR In-Office Belgrade

\nWe are looking for a Backend Engineer with strong skills in NodeJs.\n\n\nThe candidate must be capable of self-management and able to interact with product, business and  technical teams to discuss and resolve issues. There is a high opportunity of advancing into leadership  positions in the mid-term\n\n\n\nResponsibilities\n* Build GraphQL microservices using NodeJS.\n* Build scalable asynchronous systems using Kafka. \n* Develop a Cloud based SaaS application, with deep understanding of deployment scripts and  architecture.\n* Write clean, maintainable, and well-tested code.\n* Engage in the full development life cycle including architectural design and testing.\n* Stay current on software engineering trends & tools, and be practical but open-minded in  applying them\n* Maintain a high bar for quality and performance of your product with rigorous attention to  detail and unit testing. \n* Continuously improve how we design, build, and ship software as a highly functional team.\n* Understand the codebase, solve the assigned tasks and work closely with the leads to get the  coding reviews done and bridge any technical gap to become more independent.\n* Participate in scrum meetings, contribute to requirement discussions, talk to clients. \n\n\n\nRequirementes\n* 5-7 years of experience developing Node.JS applications.\n* Excellent English communication skills technical and business oriented.\n* Experience with Express or Nest Frameworks.\n* Exposure to GraphQL APIs and Kafka. \n* Experience with Microservices Architecture in NodeJS.\n* Experience performing Node Unit Testing.\n* Troubleshooting skills.\n* Knowledgeable in clean code practices. \n* Awareness of the importance of high-performance code.\n* Experience in Logistics industry \n* Experience with Azure services and Kubernetes.\n* Experience with React.Js is highly valuable\n\n\n\nIn this role you will\n* Work in a huge team with specialists in many areas.\n* Have the possibility to lead and grow within the organization. \n* Have an Intercultural experience. \n* Pave the way through a good client impression with support. \n* Work on a large, complex and highly performant system. \n* Engage with the latest technologies.\n* Receive detailed feedback from demanding leaders to improve technical skills.\n* Play a crucial and strategic role for both the mid and long term. \n* Secure long-term growth with diverse career opportunities.\n\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 Design, SaaS, GraphQL, Cloud, Node, Engineer and Backend jobs that are similar:\n\n $60,000 — $90,000/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

\nWho We Are: \n\n\nKarmaCheck is a dynamic technology startup headquartered in San Francisco and is founded by Eric Ly, a trailblazer in the internet industry and former Co-founder and CTO of LinkedIn. Our mission is clear: to revolutionize digital identity verification. We're disrupting the antiquated healthcare credentialing sector within the Background Check industry using our cutting-edge proprietary technology powered by automation, machine learning, and data. Our cost-effective solutions are helping shape the future of digital identity and contributing to the authenticity of the evolving digital landscape.\n\n\n\n\nWe are looking for Senior Software Engineers to join our rapidly expanding team of highly skilled, dedicated, and efficient developers.  We are looking for fullstack and backend-focused engineers. You will work in a fast-paced environment that is moving together with a common goal to provide the best solutions for our customers in markets desperate for innovation.\n\n\nDay to day activity as a senior member of the team will be to design and implement solutions that enable the KarmaCheck platform to scale and perform while adding functionality and maintaining our high degree of security. Your knowledge and experience will be leveraged by acting as a mentor and guide to other engineers on the team and your work ethic will shine as you lead by example to continuously improve the product, technology, processes, and culture of the engineering organization. \n\n\nThis is a 100% telecommute position with the rare exception of (paid) travel for company/team meetings. \n\n\n\nWhat You'll Do:\n* Contribute as part of a cross functional Agile team to build scalable APIs and web application features using Javascript/Typescript (NodeJS) while meeting coding and security best practices.\n* Design and build software with an eye towards modular, extensible, and scalable design.\n* Actively participate in technical product development sessions with other members of the Product and Engineering organization.\n* Enhance existing development processes with best practices for continuous integration, testing, and deployment.\n* Act as a technical solution advisor to engineering and product management \n* Participate in production deployments.\n* Troubleshoot production runtime issues that may arise throughout the entire system.\n* Measure the effectiveness of new features, find and address performance issues, and drive continuous improvement.\n* Participate in electronic communication channels on a constant basis as part of your daily work.\n\n\n\nWhat You'll Need: \n* 7+ years Full Stack design and development\n* 5+ years Javascript experience with a focus on Node JS\n* 3+ years developing software on AWS (API Gateway, Lambda, SQS, SNS, EventBridge, Cloudwatch, RDS, etc)\n* Experience with async data integration patterns and approaches (Webhooks, Pub/Sub, Batch, Asynchronous Messaging, etc.)\n* 3+ years experience with modern front-end frameworks (Vue, React, Angular, etc)\n* 2+ years experience with SQL (preferably MySQL)\n* Extensive experience in Server side communications and integrations with 3rd party APIs\n* Ability to adjust to changing priorities as is common in a startup environmentMust have a passion for building GREAT software\n\n\n\nBonus Points if You Have:\n* Experience working in a fast paced startup\n* Knowledge of async data integration patterns and approaches (Webhooks, Pub/Sub, Batch, Asynchronous Messaging, etc.)\n* Experience with Javascript API frameworks like NestJS\n* You have experience writing infrastructure as code using Serverless Framework \n* You have knowledge of Java/SpringYou have knowledge of SQL / noSQL design fundamentals\n* Demonstrated successful experience working in a remote engineering capacity\n\n\n\nBenefits & Perks: \n* Become a key team member at a startup set to disrupt the background check industry and innovate digital identity.\n* 100% remote work environment with only limited required travel\n* Competitive benefits package including medical, dental, 401k, and EAP.\n* Take the time to Check Yourself - we have an unlimited time off policy.\n* The expected base compensation for this role is between $140,000 - $180,000.00  for work performed in the United States. Starting pay for the successful applicant will depend on a variety of job-related factors, which may include seniority level, experience level, transferable skills, education, location, business needs, training, and market demands. This range may be modified in the future.\n\n\n\n\n$140,000 - $180,000 a year\n\n\nInterview Process: \n1. Recruiter Screen (30 minutes via Zoom, video OFF)\n2. Hiring Manager Screen (60 minutes via Zoom, video ON) \n3. Team Interview (60 minutes via Zoom, video ON); 25 minutes on technical aptitude, 25 minutes on culture & core values alignments, 10 minutes intros & Q&A\n4. Final Project Presentation (60 minutes via Zoom, video ON); You’ll meet with a panel of 3-4 people and present on a technical project you’ve completed and are proud of. \n\n\n\n\n\n\nDisclaimer:\n\n\nKarmaCheck is an equal opportunity employer committed to fostering an inclusive and diverse environment for our employees. We are committed to equal employment opportunities regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status, or any other reason protected by law.\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, Recruiter, Travel, JavaScript, Video, Serverless, NoSQL, Node, API, Senior and Engineer jobs that are similar:\n\n $60,000 — $90,000/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 EIGENLABS\n\nEigenLabs provides cryptoeconomic security as a service for blockchain projects. Our platform provides programmatic access to the trust layer of Ethereum to make components reusable, allowing builders to rely on Ethereum for security while saving time and resources typically allocated to bootstrapping their own token. EigenLabs technologies also create technical value & efficiency for validators in Ethereum’s proof-of-stake network by enabling them to "re-stake" their assets. Re-staking allows validators to secure multiple protocols and boost rewards by providing security services to oracle networks, data availability networks and dApps running on rollups or side-chains. We’re on a mission to hyperscale ETH & dApps and increase decentralization through re-staking!\n\nTHE ROLE\n\nAt EigenLabs, our engineering teams operate within a customer-aligned team structure, where we believe in shared responsibility for DevOps among all software engineers. As an Infrastructure Software Engineer, you will lead the design and implementation of critical infrastructure components while fostering a culture of collaboration and best practices adoption within your team, and across the company. \n\nYou will work closely with frontend and backend software engineers, leveraging your expertise to empower the entire team to collectively maintain, operate, and enhance infrastructure resources effectively. By championing leading practices, automation, and efficient workflows, you will ensure that our customer-aligned teams can deliver high-quality software solutions with speed, security, and reliability.\n\nYour leadership in infrastructure design, implementation, and reliability engineering will directly contribute to EigenLabs' commitment to blockchain innovation and advancing economic freedom through technology. If you’re passionate about shaping the future of blockchain, and making a meaningful impact on the world, we look forward to hearing from you!\n\nWHAT YOU WILL DO\n\n\n* You will lead the design and implementation of foundational infrastructure components used by every engineering team in production. This includes dynamic configuration, DNS and networking setup, secrets management, container orchestration (e.g., Kubernetes, including platforms such as EKS).\n\n* Demonstrate leadership by taking the initiative to address challenges and drive continuous improvement. Foster a culture of best practices adoption and automation within your team. Share your expertise to empower frontend and backend engineers to efficiently maintain, operate, and enhance infrastructure resources.\n\n* Utilize your proficiency in cloud infrastructure platforms such as AWS, GCP, or similar to optimize our infrastructure for scalability and performance.\n\n* Collaborate with cross-functional teams to identify and implement improvements in infrastructure, monitoring, and incident response.\n\n* Make significant contributions to operational excellence initiatives, ensuring the highest level of efficiency and reliability in our infrastructure. Administer network capabilities and support CI/CD pipelines. Monitor infrastructure using tools like Prometheus, Grafana, or similar. \n\n* Implement and maintain security best practices across all aspects of our infrastructure, including access controls, encryption, and network security\n\n* Participate in on-call rotations to ensure the continued reliability and uptime of our services\n\n* Design, implement and champion Continuous Delivery (CI/CD) principles to automate software development and deployment processes.\n\n* Articulate a long-term vision for maintaining and scaling our infrastructure, aligning it with our product and technical goals.\n\n* Build tools for blockchain node operators that make it easy to launch and operate different types of validator environments\n\n* Proactively contribute to discussions about technical issues, sprint and roadmap planning, and improving engineering processes\n\n\n\n\nWHAT YOU WILL BRING\n\n\n* 5+ years of direct experience in infrastructure, SRE or back-end engineering with public cloud and Linux-based systems.\n\n* Strong design and implementation experience with at least one major cloud platform (AWS preferred)\n\n* Knowledge of authentication, authorisation and accounting (IAM, Federation, RBAC, service accounts) for public cloud and kubernetes\n\n* Containerization and container orchestration with Docker and Kubernetes. Experience with container hardening and implementation within Kubernetes.\n\n* Proficiency in at least one back-end development language such as Python, Go, or C++\n\n* Expertise in Infrastructure as Code (IaC) tools such as Terraform (preferred), Ansible, etc., enabling efficient automation and configuration management.\n\n* Demonstrated experience in production environments with proactive monitoring, logging, alerting,  and profiling with tools such as Prometheus, Grafana, ELK Stack (or alternative log analysis platforms) to ensure robust performance monitoring and troubleshooting capabilities.\n\n* Experience developing and maintaining CI systems (e.g., GitHub Actions, Jenkins, or CircleCI) to facilitate automation of the SDLC. Working knowledge of CD tooling (e.g., AWS Code Pipelines, ArgoCD, Flux), and an understanding of how GitOps deployment models operate\n\n* 3+ years experience with one or more programming languages, preferably Go or Python.\n\n* Knowledge of security best practices, encompassing encryption methods, key management, access control mechanisms, and network security protocols that contribute to the overall security posture of our infrastructure. \n\n* Strong understanding of core Internet protocols: DNS, TCP/SSL, HTTP, gRPC, etc.\n\n* Proven ability to take ownership of projects and work independently. Proficiency in effectively communicating project statuses and diligently documenting activities. Expertise in maintaining meticulous attention to detail across diverse, blockchain-centric environments.\n\n* Track record of successfully delivering complex and high-scale infrastructure\n\n\n\n\nNICE TO HAVES\n\n\n* Contribution to open source projects and/or developing open source tools is advantage\n\n* Data visualization, and observability tooling experience\n\n* Expertise in scaling and migrating systems in dynamic environments, with a strong understanding of incident management processes.\n\n* Experience in information security, including vulnerability assessments, penetration testing, and implementing and automating security controls, with expertise in security protocols (TLS, SSL, SSH) and frameworks (NIST, CIS, ISO 27001). Experience responding to security audits. \n\n* Service discovery and service mesh technologies such as Istio, Linkerd.\n\n* Good understanding of blockchain fundamentals, including wallets, smart contracts, protocol design\n\n* Experience with Liquid Staking or Ethereum Node Operations platforms\n\n\n\n\n \n\nIn compliance with local law, we are disclosing the compensation, or a range thereof, for roles in locations where legally required. $225,000 - $250,000 is the annual base salary. Other rewards may include annual bonuses, short- and long-term incentives, and program-specific awards. In addition, EigenLabs provides various employee benefits, including: \n\n\n* Employer-covered Medical, Dental, and Vision plans\n\n* 401k \n\n* Unlimited Paid Time Off\n\n* 12 weeks of fully paid maternity and paternity leave \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, Ethereum, Docker, Accounting, DevOps, Cloud, Node, Senior, Engineer and Backend jobs that are similar:\n\n $57,500 — $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\nSeattle, Washington, United States