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Legal & General

Senior Back-End Engineer

On site

London, United kingdom

Senior

Full Time

09-02-2026

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Skills

GraphQL CI/CD Docker Test Quality Assurance Scrum Decision-making Coaching Architecture Software Architecture react node.js AWS Agile Spring CI/CD Pipelines Microservices

Job Specifications

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.

Job Description

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.

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

Qualifications

Who we're looking for:

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 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

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 a

About the Company

Legal & General is a leading UK financial services group and major global investor. Our three divisions enable us to carefully invest capital over the long term in a responsible way that delivers returns to shareholders while doing good. Along with growing our pension risk transfer business, our strategy focuses on asset management as the cornerstone of our business, including by opening up private markets to more of our clients. Meanwhile, our retail business is focused on building lifelong relationships with customers as... Know more