Bitfinex is seeking an experienced Senior Backend Developer specializing in Node.js to join our remote team and build scalable, secure backend systems for our cryptocurrency trading platform. This role offers the opportunity to work on cutting-edge financial technology from anywhere in the world.

Join Bitfinex, one of the world's premier cryptocurrency exchanges, as a Senior Backend Developer specializing in Node.js. In this fully remote role, you will play a pivotal part in designing, developing, and maintaining high-performance backend services that power our trading platform, ensuring reliability, scalability, and security for millions of users worldwide.

You will collaborate with cross-functional teams, including frontend developers, DevOps engineers, and product managers, to deliver innovative features like advanced trading algorithms, wallet integrations, and API enhancements. Our tech stack is built on modern Node.js ecosystems, leveraging asynchronous programming to handle high-throughput transactions in a 24/7 financial environment.

Key responsibilities include architecting efficient data flows, optimizing database queries for low latency, implementing robust error handling, and conducting code reviews to uphold best practices. You will also contribute to system monitoring, performance tuning, and disaster recovery planning to maintain uptime during peak trading volumes.

Bitfinex values innovation and autonomy, providing you with the freedom to experiment with emerging technologies while fostering a results-oriented culture. If you are passionate about blockchain, fintech, and building systems that scale globally, this is your chance to make a significant impact in the digital asset space.

This is a remote contract position open to talented developers worldwide, with opportunities for long-term engagement based on performance.

• 5+ years of professional experience in backend development with Node.js and JavaScript/TypeScript
• Proficiency in building RESTful APIs, microservices, and real-time applications using frameworks like Express.js or NestJS
• Strong knowledge of databases such as PostgreSQL, MongoDB, or Redis, with experience in SQL and NoSQL
• Familiarity with cloud platforms like AWS, GCP, or Azure, and containerization tools like Docker and Kubernetes
• Understanding of security best practices, especially in fintech environments (e.g., encryption, authentication with JWT/OAuth)
• Experience with version control (Git), CI/CD pipelines, and agile methodologies
• Excellent problem-solving skills and ability to work independently in a remote setting
• Bachelor's degree in Computer Science or related field (preferred)

• Competitive monthly salary and performance bonuses
• Fully remote work with flexible hours and global team collaboration
• Comprehensive health insurance coverage for you and your family
• Professional development opportunities, including conferences and certifications
• Generative stock options and profit-sharing in a leading crypto exchange
• Modern tech stack and access to the latest tools
• Paid time off, including 25+ vacation days and holidays
• Supportive work culture with regular team-building events and wellness programs