Senior Software Engineer - Node​/React Native

Senior Software Engineer | Software Engineer | Senior Engineer | Senior Full Stack Software Engineer

Senior Full Stack Software Engineer (Node.js & React Native)

Victoria, London | Hybrid

5+ years experience required

Salary: £80k-£90k

My client are hiring a Senior Full Stack Software Engineer (Node.js & React Native). This is a great opportunity to join a fast-growing London-based fintech building innovative payment and loyalty technology used by global travel and hospitality brands. This company are one of the fastest-growing Fintechs in the UK.

This Senior Full Stack Software Engineer (Node.js & React Native) position is ideal for someone who enjoys working in a collaborative, in-person environment and wants to play a key role in shaping scalable products used by thousands of customers.

The Opportunity:

Senior Full Stack Software Engineer (Node.js & React Native)

As a Senior Full Stack Software Engineer (Node.js & React Native), you'll help build and scale mobile and backend systems that power modern card programmes and digital payment experiences. You'll work closely with engineering, product, marketing, and operations teams to deliver seamless, customer-first technology.

This Senior Full Stack Software Engineer (Node.js & React Native) role suits a detail-oriented developer who writes clean, maintainable code and thrives in a fast-paced fintech environment.

• Lead the design and architecture of scalable backend services using Node.js.
• Guide the development of our React Native mobile app across iOS and Android platforms.
• Serve as a tech lead for projects, collaborating with Product and Design to scope and deliver features.
• Mentor and support junior and mid-level engineers through code reviews, pair programming, and feedback.
• Champion engineering best practices, from testing to CI/CD pipelines and deployment.
• Solve complex technical problems and drive decisions on tooling, patterns, and technical direction.
• Collaborate with stakeholders across Operations, Marketing, and Customer Support to understand needs and shape solutions.
• Take initiative in identifying and addressing areas for improvement in performance, security, and reliability.

• 5+ years' commercial experience as a software engineer.
• Strong Node.js backend development experience.
• Proven experience building React Native applications.
• Solid understanding of MongoDB and document-based databases.
• Familiarity with Git and CI/CD workflows.
• Strong debugging and problem-solving skills.
• Excellent communication and collaboration mindset.
• Comfortable working in a fast-paced, in-person team environment.

• Experience with JIRA or similar tools.
• Exposure to AWS or cloud infrastructure.
• Background in fintech, payments, or customer-facing tech.
• Startup or scale-up experience.

• Be a senior voice in a mission-driven fintech, which is redefining everyday loyalty through payments.
• Lead the delivery of impactful features used by thousands of customers.
• Work with a collaborative and passionate team in a high-trust environment.
• 25 days annual leave + bank holidays.
• Elite card and travel perks.
• Choice of either Juno Points (a wellness platform providing monthly points to spend on wellness-related goods and services) or Wellhub (a gym membership providing access to gyms, classes across London/the UK)
• Monthly team lunches and seasonal social events.

Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds.