Senior React Native Engineer

🔒 Confidential Employer
Posted 21 March 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

React Native Python3 Git AWS Expo PostgreSQL RESTful APIs Typescript

FULL DESCRIPTION

Lead development and ownership of [Employer hidden — view at passion-project.co.uk]'s React Native mobile app: design, implement, test, deploy, and maintain features and services. Collaborate with product, design, and data teams, ensure high code quality and test coverage, integrate with backend APIs, contribute to Expo deployment pipelines, and participate in on-call rotations while supporting cross-team and cross-country communication.

Senior React Native Engineer

[Employer hidden] is seeking a Senior React Native Engineer to play a crucial part in our Mobile Platform team. In this role, you will be working on evolving our mobile app by developing features, services and frameworks to empower [Employer hidden] product teams to ship amazing features efficiently and independently while maintaining a unified, usable experience for our customers.

We’re looking for the right attitude, work ethic, and entrepreneurial spirit to ask the hard questions. To be informed by data, but be led by a desire to solve our customers' problems. You should learn by default and be ever curious.

What we offer:

  • Competitive salary and benefits package.
  • Discretionary bonus based on performance.
  • Continued personal development through training and certification.
  • We are open-source friendly, following open-source principles in our internal projects and encouraging contributions to external projects.

Responsibilities:

  • React Native Mobile App Ownership: Oversee the app's entire lifecycle—design, development, testing, deployment, and maintenance.
  • Collaborate with your team members, other engineers, product owners, data teams, and design to get the job done.
  • In line with our 'You build it, you own it' philosophy, we expect you to take full ownership of the products you build, embracing both their development and ongoing maintenance.
  • You care about providing a great experience to our customers and are driven to understand their needs and issues and how you can best address them.
  • You have experience in developing complex web applications. We mainly work with Python, React, ReactNative & Typescript, but happy to consider other relevant experience.
  • Since you will work side by side with colleagues from different countries, you will be able to communicate ideas clearly and concisely in English, both written and spoken
  • We use Expo pipelines for the deployment of services and infrastructure. From time to time, you might need to contribute to it.
  • You are adept at both constructing and managing services. As such, you should have proficiency in establishing standard APIs, incorporating monitoring systems and alerting services, along with a strong expertise in integrating external systems.
  • Quality is important to us; we expect your code to be highly testable with good coverage.
  • Keep up-to-date with emerging technologies, tools, and practices.
  • The position will require being on-call.

About you:

  • 7+ years of software development experience, including 2+ years with React Native
  • Experience with Python3, PostgreSQL, Redis, or similar modern programming languages and frameworks.
  • Experience working in fintech or within the financial services industry.
  • Familiarity with RESTful APIs to connect mobile applications to back-end services.
  • Proficient understanding of code versioning tools, such as Git.
  • You take ownership of code quality, ensuring your work is testable and well covered with unit and integration tests.
  • Knowledge of AWS, Linux systems, cloud infrastructure, networking, and databases.
  • Strong communication and collaboration skills.
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