Senior Engineer (React Native)
Role details
Job location
Tech stack
Job description
We are seeking a Senior Engineer with deep expertise in React Native to join our engineering team. In this role, you will apply your software engineering skills to build high-quality features, resolve bugs, and address technical debt. You will also bring a strategic perspective to team processes and tooling, helping to continuously improve how we work and deliver valuable, reliable software to our customers.
What you'll be doing:
- Delivering clean, maintainable features and resolving end-to-end issues by applying thoughtful engineering approaches that ensure solutions are fit for purpose, aligned with standards, and deliver real value to our customers
- Contributing to the technical debt strategy, helping the team maintain secure, resilient, and reliable systems that support long-term scalability and performance
- Defining effective test strategies that prioritise security, usability, and accessibility, ensuring a consistently high-quality customer experience
- Participating in code reviews with a focus on both functional and non-functional requirements, including performance, maintainability, resiliency, and security
- Promoting continuous improvement by encouraging inspection and adaptation to enhance team effectiveness, productivity, and overall wellbeing
- Fostering a collaborative team culture, mentoring and supporting junior engineers to grow their skills and contribute confidently to delivery
- Researching emerging technologies and identifying opportunities to integrate them into our applications, while sharing insights through developer forums to inspire innovation
- Upholding customer-centric values, ensuring all work reflects Legal & General's principles on Customer Experience and Treating Customers Fairly
Requirements
Do you have experience in TypeScript?, * Bringing deep expertise in React Native, with at least 2 years of hands-on experience delivering large-scale commercial projects, alongside strong proficiency in JavaScript/TypeScript from either a web or backend background
- Demonstrating solid knowledge of modern architecture patterns, including React fundamentals, REST-based microservices (JVM Spring or Node.js), mobile app design (MVP, MVVM, Flux), and clean code principles (SOLID, Onion, Hexagonal)
- Applying best practices in testing and quality assurance, including test-driven development, the testing pyramid, and CI/CD pipelines, while working effectively within Agile frameworks such as Scrum
- Utilising cloud and container technologies, with working knowledge of GraphQL, AWS services, and Docker, and a strong understanding of mobile performance optimisation and React Native's underlying architecture (e.g. Hermes, Fabric, JSI)
- Solving complex engineering challenges, through effective debugging, root cause analysis, and decision-making that balances short-term delivery with long-term scalability and business impact
- Leading and mentoring within teams, by facilitating technical workshops, coaching peers, and contributing to cross-team process improvements that align with strategic goals
- Designing secure, observable, and scalable software, with a strong grasp of software architecture, threat modelling, and observability practices to ensure resilient and reliable systems
- Driving automation and delivery accountability, by optimising CI/CD processes, breaking down work effectively, managing dependencies, and promoting an operational mindset across engineering teams
Benefits & conditions
Whatever your role, we reward performance and behaviour with a package that looks after all the things that are important to you. Here are some of the benefits we offer:
- The opportunity to participate in our annual, performance -related bonus plan and valuable share schemes
- Generous pension contribution
- Life assurance
- Healthcare Plan (permanent employees only)
- At least 25 days holiday, plus public holidays, 26 days after 2 years' service. There's also the option to buy and sell holiday
- Competitive family leave
- Participate in our electric car scheme, which offers employees the option to hire a brand-new electric car through tax efficient salary sacrifice (permanent employees only)
- There are the many discounts we offer - both for our own products and at a range of high street stores and online
- In 2023, some of our workspaces were redesigned. Our offices are great spaces to connect and collaborate and have your wellbeing at the heart