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Senior Software Engineer

Unchained Capital

Salary not specified
Sep 29, 2025
Remote, US
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Unchained is looking for a Senior Software Engineer to help lead the development of innovative financial technology solutions, specifically in the area of bitcoin financial services, by architecting, implementing, and deploying scalable, secure, and high-performance software applications.

Requirements

  • Python (Flask, SQLAlchemy / alembic, pytest)
  • Celery
  • PostgreSQL
  • Pydantic / OpenAPI
  • Redis
  • NodeJS
  • Javascript/Typescript
  • React
  • Git
  • Docker and containers
  • Kubernetes and Helm charts
  • micro-services and related architectures
  • bitcoin and lightning network nodes
  • bitcoin at the protocol level (redeem/witness scripts, extended public keys (xpubs), PSBTs, signatures, etc.)

Responsibilities

  • Design, implement, and deliver new cross-application features, including making major changes to our existing schemas or APIs
  • Review pull requests for our proprietary and open source code repositories
  • Identify opportunities to improve existing systems and workflows for security, flexibility and usability
  • Ruthlessly rewrite, refactor, and improve our existing code
  • Contribute to our engineering and product roadmaps
  • Break down complex engineering projects and contribute to delivery estimates
  • Participate in the larger engineering culture through presentations, blog posts, Lunch and Learns, code reviews, and documentation.

Other

  • You are naturally curious
  • You have strong communication and documentation skills
  • You have excellent judgment, analytical thinking, and problem-solving skills
  • You are a self-motivated individual that possesses excellent time management and organizational skills
  • You reside in the United States and are authorized to work without sponsorship