Typescript SDK Developer

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 by continuing building robust and accessible tools that adress  web3’s biggest challenges.

Size : 50 people

Location : Berlin (Germany)

Other locations : teams 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