The company offers one of the most trusted decentralized custody protocol, smart wallet infrastructure and platfom, as well as a flagship wallet for the ecosystem on Ethereum and the EVM.

With 25 Millions transactions handled worth 65 Billion dollars they are on
a mission to unlock digital ownership for the world
b
y
continuing
building robust and accessible tools
that adress
web3’s biggest challenges.

Size : 50 people

Location : Berlin (Germany)

Other locations :
team
s
in
the UK,
Switzerland
,
Spain
and
Portugal

TECH STACK :

• 
  Smart contracts: Written in Solidity
• 
  Backend services: Written in TypeScript and Python, hosted at AWS, orchestrated via Kubernetes
• 
  Web app: Modern web tech stack with React.js and Next.js
• 
  Mobile apps: Currently Kotlin and Swift, potentially ReactNative or similar in the future
• 
  Extensive test suites: E2E via Cypress, Postman, Unit tests in TypeScript/Jest

MISSIONS

You will help the company design and evolve their set of Typescript developer tools.

• 
  Create new SDK kits to enable easier interaction when using account abstraction features.
• 
  Create integrations to interact with third party providers.
• 
  Iterate on existing kits, adding new providers and improvements
• 
  Evaluate and ideate value capture opportunities on integrations level
• 
  Support external developers on SDK usage (e.g. StackExchange)
• 
  Document the Product SDK integrations
• 
  Collaborate with product, engineering and design teams on third party integrations to improve UX

Profil

• 
  Experience with Typescript and Node.js development environments (package managers, linters, code cov, testing, etc.)
• 
  Solidity/Smart contract experience
• 
  Experience analyzing third party libraries being able to create a report with pros and cons
• 
  Experience maintaining 3rd party libraries
• 
  Experience building a SDK for multiple and interconnectedness of apps and libraries used in other live projects
• 
  Experience debugging and testing reported issues
• 
  Experience maintaining a project that is used by several other projects
• 
  You have worked on projects that have been used in production
• 
  Testing knowledge (coverage, automation, integration)

• 
  Experience with React
• 
  Experience with Web3 tools (Web3js, Ethers.js, Hardhat)
• 
  Experience with Tenderly (Blockchain transactions simulation)
• 
  Experience with Cypress (E2E testing)

Informations contractuelles

• 
  Full time permanent role
• 
  Based in Berlin - Germany - Hybrid remote
• 
  Open to relocation (relocation packages / VISAs are available)
• 
  Hardware and home working budget
• 
  Personal education and conference budgets
• 
  30 annual vacation days (on top of National holidays)
• 
  Friday afternoons on research or on a side project in the company’s ecosystem
• 
  Flexible working schedules and hybrid work policies