Senior Typescript Engineer
Biconomy
Biconomy empowers Web3 developers to build seamless, user-friendly dApps that work effortlessly across multiple blockchains. Our battle-tested modular account and execution stack eliminates traditional UX friction points, helping projects accelerate user adoption while reducing development costs. By processing over 70 million transactions across the 300+ dApps we've served, we're powering the future of onchain economies.
The Role – Build the Protocol Powering the Future of Web3
At the frontier of innovation, our Modular Execution Environment (MEE) team is reimagining the way smart accounts and cross-chain transactions work, using novel primitives like Supertransactions, orchestration, intent-based bridges, and more.
We’re hiring a Senior TypeScript Engineer to build the SDK infrastructure that connects all of this powerful tech to the developers building the future of Web3.
What You Will Be Doing:
Design, build, and maintain TypeScript-based SDKs and libraries that abstract complex blockchain and infrastructure logic into accessible developer tools.
Ensure the SDK supports integration across major frontend frameworks and backend environments with high reliability and performance.
Collaborate with smart contract and backend engineering teams to ensure seamless interoperability with on-chain and off-chain components.
Monitor and optimize SDK performance using Node.js, focusing on efficiency, scalability, and low latency.
Deliver and write well-documented guides and integration examples for the features you and the team would be building.
Promote an open-source-first culture by maintaining contribution guidelines, reviewing external PRs, and supporting the wider developer community.
Implement end-to-end tests for ecosystem repository that deploy infrastructure locally and validate functionality using the SDK
Requirements:
5+ years of experience as a full stack Typescript application and/or tooling developer
Hands-on experience building SDKs, libraries, or tools for developer ecosystems, ideally open source.
Strong understanding of the EVM ecosystem, JSON RPC, and how to interact with blockchain nodes and wallets.
Familiarity with the libraries viem, ethers.js, wagmi
Ability to write clean, modular code and contribute to technical documentation and developer onboarding materials.
Excellent communication and cross-functional collaboration skills.
Nice-to-Have:
Experience working on decentralized protocols or distributed infrastructure.
Familiarity with cross-chain communication, storage proofs, or intent-based bridges.
Open-source contributions to blockchain or Web3 developer tooling.
Exposure to backend systems like microservices, indexers, or pub/sub architectures.
Comfort with Rust, Go, or blockchain networking concepts.
What We Offer:
Flexible Working Hours: Enjoy autonomy over your schedule.
Generous Vacation Policy: 25 days vacation per year plus public holidays.
Competitive Salary: With regular performance reviews.
Token Allocation: Be rewarded with tokens as part of our compensation package.
Growth Opportunities: Be part of an exciting new project with significant career growth potential.
Innovative Work Culture: Join a team that’s at the cutting edge of Web3, AI, and DeFi, and help shape the future of the digital economy.
Fun and Engaging Team Activities: Game nights, virtual celebrations, and work retreats to keep things exciting.
At Biconomy, we believe in creating a diverse and inclusive workplace. We are committed to being an equal-opportunity employer, and we do not discriminate based on race, national origin, gender, gender identity, sexual orientation, disability, veteran status, age, or any other legally protected status.