Mailchain Jobs

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Developer Experience Blockchain Integrations Engineer

$45k - $75k est.

This job is closed

What's the opportunity?

Mailchain is building the next generation communication platform for web3 and needs a talented Developer Experience Engineer.

You will play a vital role in building Mailchain’s developer interfaces, prototyping new ideas, building integrations that raise the bar for web3 user experience. Your work will enable millions of decentralized web and metaverse users to communicate with one another.

What will you be doing?

  • Work with the core team, re-inventing messaging applications for web, mobile and desktop.
  • Create sample projects, tutorials, and demonstrations for our developer community showing how web3 messaging works.
  • Build integrations with other blockchain projects, to bring web3 messaging to billions of users.
  • Contribute to open-source libraries and technical documentation.


  • Have 3+ years professional experience in developing applications with JavaScript.
  • 1+ years blockchain development experience interacting with smart contracts.
  • You are community driven and actively contribute to the open-source community.
  • Experienced in writing technical documentation.
  • Balance rapidly iterating and building for scale.
  • Know how to design and write maintainable code.
  • Advanced analytical and problem-solving skills.
  • Excellent English communication skills and collaboration abilities.

Bonus points:

  • You have a software engineering blog or have experience in curating tutorials.
  • Experience working on integration projects.
  • Have had an interesting idea that you’ve turned into a personal engineering project
  • Experience tackling ambiguous and previously undefined problems.
  • Successfully build complex software systems.
  • Ability to learn new languages, frameworks, and technologies quickly.

Mailchain focuses on Blockchains, Communications Software, Blockchain / Cryptocurrency, and Web3. Their company has offices in United Kingdom. They have a small team that's between 1-10 employees. To date, Mailchain has raised $4.6M of funding; their latest round was closed on September 2022 at a valuation of $17.4M.

You can view their website at