Senior Backend Engineer (JavaScript & Node.js)

🚀 Step into RedStone – the fastest-growing blockchain startup as a Software Engineer!

👥 About Us

RedStone is a fast-growing Polish blockchain startup revolutionizing oracle infrastructure. With a team of 40, over half being senior engineers and technical experts, we deliver scalable, secure, and low-latency off-chain data to smart contracts across multiple chains. We’ve secured over $6B in TVS, raised $15M in Series A funding, and were recognized by Forbes as the top VC-backed startup in Poland. Backed by leading Web3 names like Arrington Capital, Stani Kulechov (Aave), and Gnosis, our team includes alumni from Google, OpenZeppelin, and major crypto projects. We work remotely across time zones, with a Warsaw HQ for deep work and collaboration.

JOIN THE REDSTONE TEAM!

🧠 About the Role

Our current goal is to expand our technical team with new developers. We're looking to hire more than one person, which is why our job posting is continuously renewed. As a Senior Backend Engineer you will be responsible for building data-fetching, aggregation, and verification pipelines, contributing to protocol design, and managing blockchain node deployments and monitoring. This is a unique opportunity to join a rapidly growing team and make a tangible impact on the blockchain space.

Our stack includes: TypeScript, Go, Rust, Node.js, AWS (CloudFront, EC2, ECS, Lambda, CloudWatch), Terraform, GCP, GitHub (with Actions for CI/CD), MongoDB, InfluxDB / Grafana, Solidity / Yul — you don’t need to know all of these, but familiarity with some is a plus.

💼 Responsibilities

• Implement data-fetching, aggregation, and verification pipelines

• Participate in protocol design and optimization processes

• Deploy and monitor blockchain nodes to ensure network stability and reliability

✅ You’ll bring

• General software development experience of 5+ years

• Knowledge of multi-layer web architecture patterns and various network architectures

• Strong understanding of security best practices

• Proven coding ability with a focus on writing readable and efficient software

• High attention to detail and diligence in all tasks

🌟 Bonus points for

• Practical experience of building distributed systems

• Background in blockchain technologies and protocols, especially within DeFi

• Hands-on experience running blockchain nodes and modular blockchain architecture (e.g., sidechains, rollups)

• Participation in hackathons or programming competitions

🤝 What We Offer

• The role can be fully remote but we also have an office in the center of Warsaw at Zgoda 3.

• Competitive salary (based on skills and experience) + token allocation after 3 months

• Multisport card and private healthcare

• Long-term stability and growth (Series A closed, backed by top global investors)

• Flexible hours

• A fixed, pre-agreed number of paid service break days.

• Top-tier equipment (MacBooks, external displays)

• Regular team off-sites, hackathons, and Web3 events

• Full ownership over your work

• A rare opportunity to build foundational infrastructure for the future of finance

🔗 Useful Links

• 🌐 Website

• 🧠 Docs

• 💻 GitHub

• 🐦 X

Be part of a world-class team building mission-critical Web3 infrastructure. Apply now and redefine the future of decentralized data.