Senior Back-End Engineer

Company Description

Legal & General (L&G) is a leading UK financial services group and major global investor.

We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholders.

We are one of the world’s largest asset managers and provide powerful asset origination capabilities. Together, these underpin our retirement and protection solutions: we are an international player in pension risk transfer, in UK and US life insurance, and in UK workplace pensions and retirement income.

Who we are

Our Retail business supports customers throughout their lives, to help them save, plan, protect and enjoy retirement.

We’re a leading provider of retirement and protection solutions. We aim to support our c.12.8 million policyholders and workplace members throughout their lifelong financial journeys.

We focus on helping the customers of today and tomorrow achieve better long‑term outcomes. We either talk with them directly or work with intermediaries and employers to meet their needs. We use the latest technology to connect with them quickly, efficiently and wherever possible in highly personalised ways.

We are seeking a Senior Backend Engineer 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.

• 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

• Backend - at least 3 years experience working as a backend developer on 1 or more large commercial projects (Node or JVM based frameworks)
• 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 Graph
  
  QL, 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…