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Backend DevelopmentRemote

Senior Backend Developer (Node.js)

Bitfinex - Company

Kenton, Harrow, ๐Ÿ‡ฌ๐Ÿ‡ง United KingdomFull-time - Senior (4-7 years)0 applicantsCloses Aug 9, 2026

Salary

GBP 63,000 - 103,000 / year

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Job description

Job details

  • Location: Kenton, Harrow
  • Work mode: Remote
  • Employment type: Full-time (Not an internship)
  • Salary: GBP 63,000 - 103,000 per year

Role overview

Bitfinex is seeking a Senior Backend Developer to join their engineering team. This role focuses on scaling a complex trading platform using Node.js and a microservices architecture. You will be responsible for developing high-performance backend systems that ensure stability and security for a global user base.

Job details

This is a full-time, remote position based out of Kenton, Harrow. This role is not an internship. The annual salary range for this position is ยฃ63,000 - ยฃ103,000 GBP.

Responsibilities

  • Develop and maintain scalable backend services using Node.js and JavaScript
  • Design and implement microservices architecture to support a complex platform
  • Optimize database queries and schemas using MySQL and MongoDB
  • Implement robust security practices to protect sensitive financial data
  • Collaborate with the engineering team to ensure high availability and system reliability

Requirements

  • At least 6 years of professional experience with Node.js and JavaScript
  • Proven track record of participating in the development of complex platforms
  • Strong proficiency with MySQL and MongoDB databases
  • Deep understanding of security best practices in a backend environment
  • Ability to quickly master new technologies and programming languages
  • Experience with blockchain integration or high-availability systems is a plus

Benefits

  • Competitive salary range from ยฃ63,000 to ยฃ103,000 GBP
  • Fully remote work flexibility
  • Opportunity to work with cutting-edge blockchain technology
  • Professional growth in a high-scale financial environment

Keywords

Node.jsJavaScriptMicroservicesMySQLMongoDBBlockchainHigh AvailabilityBackend Development