Senior React Native Engineer

At RemoteStar, we're hiring for one of our leading clients in the global fintech industry.

Our client is a well-established, publicly listed global financial technology company operating across multiple continents, serving a large international customer base and delivering innovative digital financial solutions.

We are looking for an experienced Senior React Native Engineer to join their Client Platform team and play a key role in building high-performance mobile applications while driving AI-powered engineering and automation initiatives.

Location: United Kingdom

Work Model: Hybrid (3 days in the office)

Industry: Fintech / Financial Services

Key Responsibilities

• Design, develop, and optimise high-performance React Native applications.
• Improve UI architecture, application performance, and cross-platform consistency.
• Build and integrate AI-assisted developer tools for coding, testing, deployment, and defect triage.
• Drive automation across the software development lifecycle (SDLC).
• Implement best practices around Test-Driven Development (TDD), pair programming, and CI/CD.
• Collaborate with product, QA, security, and engineering teams to deliver scalable solutions.
• Leverage AI tools to improve test coverage, defect detection, and engineering productivity.
• Mentor developers and promote modern engineering practices.

Required Skills & Experience

• Proven expertise in mobile application architecture, performance optimisation, and reusable component development.
• Strong understanding of TDD, automated testing, CI/CD, and Agile engineering practices .
• Experience managing the complete software development lifecycle, from design to production support.
• Practical experience evaluating or using AI-powered developer tools such as Claude Code or similar LLM-based solutions.
• Strong problem-solving skills and a passion for engineering automation.

Good to Have

• Experience with MCP (Model Context Protocol), agentic AI tooling, or Spec-Driven Development .
• Familiarity with Jira, Confluence, GitLab , and their APIs.
• Knowledge of Java or a comparable backend technology.
• Previous experience in fintech, trading platforms, or regulated environments.
• Competitive salary package
• Additional 12% flexible benefits package
• Private medical insurance for you and your family
• Life insurance and gym membership contributions
• 28 days of leave, including birthday and volunteering days
• Option to buy or sell holiday days
• Enhanced parental leave and benefits
• Learning, mentorship, and career development opportunities
• Hybrid working environment

About the Opportunity

This is an opportunity to join a global fintech organisation at the forefront of AI-driven engineering transformation, working on complex technical challenges and helping shape the future of mobile application development and intelligent automation.