Senior React Native Engineer — AI‑Driven, Hybrid (UK)

RemoteStar; Greater London; Hybrid; GBP 80,000 - 110,000; Full time

Benefits offered by this job

12% flexible benefits package

Private medical insurance

Life insurance

Gym membership contributions

28 days leave + birthday & volunteer

Holiday buy/sell option

Enhanced parental leave

Learning & career development

Job summary

RemoteStar is partnering with a leading fintech client to hire a Senior React Native Engineer in the United Kingdom. The role focuses on building high-performance mobile apps, driving AI-powered tooling, and advancing automation within the SDLC.

You will contribute to cross-functional teams, optimize UI and performance, and champion modern engineering practices while operating in a hybrid work model (3 days in the office).

Qualifications

• Proven expertise in mobile application architecture, performance optimization 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.

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.

Skills

Mobile architecture

Performance optimization

TDD / CI‑CD

AI tooling

Agile practices

Tools

Jira

Confluence

GitLab

Claude Code

Job description

RemoteStar is partnering with a leading fintech client to hire a Senior React Native Engineer in the United Kingdom. The role focuses on building high-performance mobile apps, driving AI-powered tooling, and advancing automation within the SDLC.

You will contribute to cross-functional teams, optimize UI and performance, and champion modern engineering practices while operating in a hybrid work model (3 days in the office).