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LegalAndGeneral Logo LegalAndGeneral · IT - Software Development

Senior Engineer (Typescript and Node)

United Kingdom, London · Job Posted February 14, 2026
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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.

Job Responsibility

  • 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

  • At least 3 years experience working as a backend developer on 1 or more large commercial projects (Node or JVM based frameworks)
  • 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)
  • 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

What 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
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