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Senior Back-end Engineer - API, Express.js, Typescript

7+ years
Full-time (40h)
Software Development
Full Remote
API Gateway



  • 7+ years of software development experience
  • 5+ years of experience developing API products
  • Proficiency in OCR technologies, data structuring, and authentication/authorization mechanisms (OAuth2)
  • Experience in API design, development, and documentation
  • Experience with distributed messaging systems (e.g. AWS SNS, Pusher, etc.)
  • Experience with serverless architecture (AWS Lambda)
  • Skills in TypeScript, Express.js, and Postgres
  • Strong communication skills in both spoken and written English


  • Knowledge of Terraform for infrastructure management
  • Startup experience
  • Bachelor's Degree in Computer Engineering, Computer Science, or equivalent

What you will work on

  • Design and implement effective data models that are clear and robust to future changes
  • Develop and maintain secure authentication systems with a solid foundation in OAuth2 and related protocols
  • Reverse engineer and integrate with leading tax prep software websites
  • Master private APIs to integrate with them without official support
  • Utilize OCR technology to convert tax documents into structured JSON
  • Craft detailed, accessible API documentation to aid developer integration
  • Integrate distributed messaging systems to enhance product scalability and performance
  • Advocate for best practices in infrastructure setup
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