Senior Blockchain Engineer [Security]
Tenderly
Software Engineering
Europe · Remote
Posted on Apr 30, 2025
At 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.
Our 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.
About the role
As a Blockchain Engineer at Tenderly, you will be part of the team responsible for building systems that deeply understand and extract insights from blockchain data, especially across EVM-based networks. You will design and build backend services that ingest, process, and analyze large volumes of blockchain transactions. Your work will power new developer tools, monitoring capabilities, and data products used across the Web3 ecosystem.
What you’ll do
• Design and build backend systems that process and analyze blockchain transactions at scale.
• Develop services that extract meaningful insights and metadata from smart contract interactions.
• Work with large datasets and ensure data integrity, scalability, and low-latency access to blockchain information.
• Collaborate with the product and engineering teams to deliver high-quality developer tools and monitoring solutions.
• Implement robust and fault-tolerant distributed systems capable of handling terabytes of blockchain data.
• Maintain a strong focus on correctness, security, and performance when dealing with blockchain data and smart contract analysis.
About You
• Solid experience working with blockchain systems, preferably EVM-based chains (Ethereum, Optimism, Arbitrum, Polygon, etc.).
• Hands-on experience building backend tools, data pipelines, or developer-focused products in the blockchain space.
• Strong programming skills in Go, or willingness to quickly ramp up on Go.
• Good understanding of smart contracts and experience writing or auditing Solidity code.
• Experience working with distributed systems and/or large-scale backend systems.
• Solid understanding of system design principles, including data consistency, partitioning, and scalability.
• Comfortable working with large volumes of unstructured and semi-structured data.
Nice to Have
• Experience building data-intensive systems (e.g., indexing services, block explorers, or analytics platforms).
• Familiarity with common blockchain data structures (e.g., transactions, receipts, logs, traces).
• Contributions to open-source blockchain projects.
• Experience working with Kubernetes, Kafka, or large-scale database systems like PostgreSQL.
• Familiarity with security best practices in Web3 and blockchain infrastructure.
What we offer
- Stock Options - Join the ride! Own a piece of our journey with stock options for everyone.
- Transparent compensation -No secrets here. Enjoy fair, equal, and transparent salaries.
- Annual bonus - Performance-based bonus amounting up to 20% of employee's annual base salary paid out twice a year based on KPIs.
- Fully covered parental leave - Welcome your little one with fully paid parental leave.
- Tech Gear - MacBook, monitor, and the accessories you love—your setup, your way.
- 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.
- Flexible Hours - Work when you work best. Collaboration is key.
- Health Insurance - Keep yourself and your family healthy with our comprehensive coverage.
- Continuous Learning - Elevate your skills with regular trainings and a professional development budget. We invest in your growth.
Why Tenderly?
Join us at Tenderly, where our values are not just words on a page but the driving force behind our innovative journey.
Fanatic Drive
We'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.
Underdog Mentality
We love defying the odds, rejecting the status quo, and achieving the impossible. We're on a mission to revolutionize blockchain technology, constantly pushing boundaries.
Inward Responsibility
We hold ourselves accountable, always striving to improve. We embrace feedback, knowing it drives personal growth and collective success.
Intentional Collaboration
Our success relies on individual contributions and mutual support. We share ideas openly, trust each other completely, and continuously push each other to excel.
Tenderly Transparency™️
We believe in open, honest communication. We share knowledge and opinions freely, fostering a culture of accountability and trust.
Tenderly 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.