Senior Full Stack Engineer

Austin, TX

Unchained Capital is on a mission to empower people to achieve unprecedented financial freedom and control. We are a financial services startup that helps long-term holders of bitcoin preserve and grow their wealth. Unchained originates loans backed by bitcoin and offers a multi-signature vault product utilizing collaborative custody.

Unchained is growing fast and looking to add a Senior Full Stack Engineer to our world-class engineering team. Do you enjoy designing, diving deep into code, and implementing complex systems in a fast-paced startup environment? Are you able to operate without boundaries and fix problems in testing, deployment, operations, and security? Do you want to build the next generation of bitcoin products? Amazing, then you’re just the person we’re looking for!

The Senior Full Stack Engineer position at Unchained Capital offers the unique opportunity to solve problems of scale and work on cutting edge, open-source technologies, all while shaping the face of an emerging industry. You will help augment our flagship vault product, support our loan origination automation and features, and build entirely new products that the bitcoin world hasn't seen before. If you are passionate about bitcoin and want to have a hand in creating cutting-edge, innovative products, all while being apart of a team of brilliant, hard-working, thoughtful, and nice people, we want to hear from you.

  • Design, implement, and deliver new cross-application features, including making major changes to our existing schemas or APIs
  • Ruthlessly rewrite, refactor, and improve existing code
  • Help resolve production issues and lead efforts toward solutions
  • Identify opportunities to improve existing systems and workflows for security, flexibility, and usability
  • Contribute to the engineering roadmap by proactively identifying areas to focus on
  • Review pull requests from the team and serve as a mentor to junior engineers
  • Mastery of Python and JavaScript
  • Experience with UNIX-like servers and the command line
  • Knowledge of and previous experience in managing AWS environments
  • Experience with backend applications including schema and API design (Flask, PostgreSQL, SQLAlchemy, messaging queues, &c.)
  • Experience with frontend applications (React, Electron, HTML/CSS)
  • Experience with cryptography and bitcoin/blockchains preferred
  • Passion for building solid, reliable, secure applications
  • Exceptional written and verbal communication skills
  • Ability to excel in a fast-paced environment with competing priorities
  • Self-motivated team player
  • Problem solver with ability to think outside of the box
  • Previous startup experience preferred
  • Available to work full-time from our downtown Austin office
Application Instructions:

To apply for this position, please send your resume and cover letter to