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Senior Backend Developer - Mortgage

Galaxy

Salary not specified
Oct 3, 2025
Remote, US
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Galaxy is looking to hire a Senior Back End Developer to design, develop, and optimize robust, scalable software back ends for a new product offering that powers their web and mobile applications, aiming to innovate in the crypto economy.

Requirements

  • Hands-on development experience in Node, Express, TypeScript and related frameworks like Nest.js to build REST API's and other services.
  • Strong experience with SQL and some exposure to NoSQL is nice to have.
  • Experience with Microservices and Event based architecture.
  • Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and containerization tools (e.g., Docker, Kubernetes)
  • Experience in using Caching and Messaging Queues like Kafka.
  • Experience using Postman and Git / Bitbucket.

Responsibilities

  • Design, develop, and maintain high-performance back-end systems, APIs, and databases that support the business’s web and mobile applications.
  • Help foster a culture of technical excellence, collaboration, and continuous learning.
  • Collaborate with front-end developers, product managers, and DevOps teams to ensure seamless integration and delivery of features and services.
  • Architect scalable, secure, and efficient server-side solutions that meet fintech industry standards and handle high transaction volumes.
  • Implement best practices for code quality, testing, and deployment, including code reviews and automated testing frameworks.
  • Stay current with emerging technologies and trends in back-end development, blockchain, and fintech to recommend innovative improvements.

Other

  • Bachelor’s degree in computer science, engineering, or a related field (or equivalent experience).
  • 7+ years of experience in back-end development, with at least 2 years in a senior role.
  • Specific experience in the mortgage space.
  • Prior experience working in a startup, taking a product from zero to one.
  • Experience in financial markets or brokerages.