Senior Backend Engineer (Node)

• Permanent/Regular or Fixed Term Contract/Temporary: Permanent (UK and ROW) / Regular (US)
• L&G Business Unit: Legal & General Retail
• L&G sub Business Unit: WORKPLACE
• Primary Location: London, One Coleman Street
• Job Family: IT & Change

Company Description

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

We focus on retirement and protection solutions, providing asset origination and pension services.

Job Description

We are seeking a Senior Backend 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.

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.

Benefits

• The opportunity to participate in our annual, performance-related bonus plan and valuable share schemes.
• 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).
• We offer many discounts for our own products and at a range of high street stores and online.
• Our offices are great spaces to connect and collaborate and have your wellbeing at the heart.

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