Senior Back End Developer

Summary

Join Galaxy, a leading digital asset and blockchain company, as a Senior Back End Developer to build and maintain robust, scalable software for a new product offering. You will design, develop, and optimize back-end systems, APIs, and databases, ensuring reliability, security, and performance. Collaborate with front-end, product, and infrastructure teams to deliver seamless integration and features. Your expertise will drive the architecture of our product offerings, supporting Galaxy's mission to innovate in the crypto economy.

Requirements

• 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
• Hands-on development experience in Node, Express, TypeScript and related frameworks like Nest.js to build REST API's and other services
• 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

Preferred Qualifications

• Strong experience with SQL and some exposure to NoSQL is nice to have
• Prior experience working in a startup, taking a product from zero to one
• Experience in financial markets or brokerages