ChainSafe Systems Protocol Engineering

Protocol Engineer Lodestar/Ethereum (TypeScript)

Protocol Engineer Gossamer/Polkadot (Go)

Protocol Engineer, Lodestar/Ethereum (TypeScript)

Toronto, Berlin, Zagreb, Remote (American/European timezones preferred)

ChainSafe is a blockchain research and development firm specializing 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 need to know before reading on

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.

About Lodestar/Ethereum

Lodestar is an Ethereum consensus-layer client (Eth 2.0) and ecosystem of resources to provide and support the next generation of light clients. Light clients are the missing piece in today’s blockchain ecosystems to achieve decentralization across the entire stack. You will contribute to ensuring the long-term success of Ethereum while being at the edge of multiple technological fronts.

Who we need

As a protocol engineer, you will contribute to Lodestar by developing accurate, secure and performant code to implement various specifications. No prior blockchain experience is required, but it is expected for you gain protocol proficiency over time. You’ll also have the opportunity to engage with the wider Ethereum consensus community, and other client teams and contribute to research efforts to influence its future design. The position is full-time and remote-friendly.


Required skills and experience

Nice to have

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

Why Join ChainSafe Systems Protocol Engineering

Founded by developers for developers, ChainSafe is a 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 colour, and members of any other group underrepresented in the blockchain space - or tech in general - to apply.

How to Apply

To apply:

  1. send an email to afri@chainsafe.io containing the following
    • an indicator what role you apply for
    • a motivational letter
    • an up-to-date résumé (CV)
  2. wait two weeks before you follow up