Senior Typescript Engineer - Web3.js

ChainSafe is a blockchain research and development firm specialising in infrastructure and tooling for the decentralized web. Alongside its contributions to significant ecosystems such as Ethereum, Polkadot, Filecoin, and more, ChainSafe creates solutions for developers and teams across the web3 space utilizing our expertise in gaming, bridging, NFTs, and decentralized storage. As part of the mission to build innovative products for users and better tooling for developers, ChainSafe embodies an open-source and community-oriented ethos.

To learn more about ChainSafe, look at our GitHub and website.

Here’s what you might want to know before reading on:

• Our progressive tech stack includes Go, Rust, and TypeScript


• We spearhead ecosystem projects like Web3.js, Lodestar, Forest, and Gossamer


• We are global, remote-friendly, and open to contractors

At ChainSafe, you’ll be part of a team that believes in the community’s vital importance and contributes to advancing humanity with open-source and decentralized technology.

Who we need

We are looking for a passionate and proactive Senior Typescript Developer who shares our commitment to building out open source software and pushing blockchain into mainstream adoption. You will collaborate across multiple Ethereum-focused projects and contribute to your team’s success through consistent, high-quality code.

Responsibilities

• Understand a protocol specification and develop compliant and optimized code


• Actively follow latest EIPs


• Actively participate in discussions with product owners, tests, and software engineers to suggest new or improve on existing solutions


• Review, audit and test your teammates’ code


• Provide feedback on overall design decisions

Required skills and experience

• 3+ years of TypeScript programming language, paradigms, constructs, and idioms


• Able to write efficient code and have good debugging skills


• Experience in writing unit and integration tests


• Experience in working and contributing to opensource projects


• Knowledge of best practices, patterns, and understanding of key principles of developing software

Nice to have

• Experience with distributed systems, peer-to-peer systems, network programming, or cryptography


• Experience maintaining a large mono repo codebase with many components and keeping it well-designed, future-proofed, and modular


• Can construct and maintain CI/CD pipelines


• Experience with testing frameworks (Jest, cypress)


• Experience with different web bundlers (webpack, esbuild, browserify)


• Experience with Ethereum/EVM-compatible blockchain


• Knowledge and application of semver versioning

Tell us who you are

If you feel like you’re the perfect fit for the role, please apply even if you don’t match all the requirements.

Hiring Steps

• Qualified candidates will be invited to a 30-45 mins screening call with one of our tech recruiters


• Next, candidates will be invited to a 60-minute alignment interview with the PM


• Then, Candidates will be asked to complete a technical task that takes under 4 hours, but we provide up to 1 week to complete


• Last, candidates will be invited to a 60-minute technical interview

Why Join ChainSafe

Founded by developers for developers, ChainSafe is a remote-first company with an international team. We continue to provide opportunities for personal and professional growth, value autonomy and responsibility, have a results-driven environment, and offer flexible work hours.

We care deeply about our values and look for these attributes in every new team member. In addition, we recognize the benefits of cultivating a diverse team and aspire to embed respect for all people into our culture. We encourage women, the LGBTQIA+ community, people of color, and members of any other group underrepresented in the tech space to apply.

How to Apply

Please click apply and fill out the Greenhouse application form and ensure that you attach your resume and link your Github/Gitlab profile or any software project you have contributed to (if applicable).