Senior Software Engineer (Java & Typescript) in London

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.

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 Software Engineer with strong full‑stack development experience, encompassing both frontend and backend engineering. The ideal candidate will bring deep expertise in TypeScript‑based frontend applications and Java‑based microservices built with Spring Boot. This role is integral to delivering end‑to‑end features, contributing to both user-facing products and core backend services.

The successful candidate will collaborate closely with engineers, business analysts, testers, and Product Owners to deliver scalable, secure, and high‑quality solutions. They will be expected to take full ownership of features across the technology stack, contribute to technical design discussions, and support the wider team in upholding exceptional engineering standards.

What you’ll be doing:

• Delivering clean, maintainable features across TypeScript‑based frontend applications and Java/Spring Boot backend services, ensuring solutions align with standards and deliver customer value.
• Building and maintaining RESTful microservices while integrating them with modern frontend applications to ensure performance, scalability, and reliability.
• Collaborating with Product Owners, Business Analysts, and Designers to translate requirements into well‑structured, user‑focused solutions.
• Contributing to system design and architectural discussions, supporting the Tech Lead in defining technical approaches and implementation strategies.
• Applying best practices in frontend engineering, including component‑based architectures, state management, and performance optimisation.
• Ensuring high‑quality delivery through comprehensive testing across the stack, including unit, integration, and end‑to‑end testing.
• Participating in code reviews to promote maintainability, performance, security, and usability.
• Supporting CI/CD pipelines, deployment processes, and continuous improvement initiatives, including reducing technical debt and enhancing engineering practices.

Who we’re looking for:

• Strong experience delivering full‑stack applications, with hands‑on development across both TypeScript‑based frontends and Java/Spring Boot backends.
• Solid grasp of modern frontend architecture, including component‑based design, state management, and performance optimisation.
• Proven ability to build and consume RESTful microservices and integrate frontend applications with backend services.
• Practical experience working with AWS services and an understanding of distributed systems and cloud‑native architectures.
• Strong knowledge of testing practices across the stack, covering unit, integration, and end‑to‑end testing.
• Experience working with CI/CD pipelines and modern Agile development workflows such as Scrum or Kanban.
• Good understanding of clean code principles (e.g., SOLID) and modern architectural patterns such as hexagonal or layered architecture.
• Capability to debug complex issues across frontend and backend systems, performing effective root‑cause analysis and contributing to a high‑performing team culture.

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.
• We’re creating net‑zero carbon workplaces by 2030 by investing in our sustainable, modern offices across the UK, all designed to bring people together and elevate the in‑person experience.

Additional Information:

At L&G, we believe it’s possible to generate positive returns today while helping to build a better future for all. If you join us, you’ll be part of a welcoming, inclusive culture, with opportunities to collaborate with people of diverse backgrounds, views, and experiences. Guided by leaders with integrity who care about your future and wellbeing. Empowered through initiatives which support people to develop their careers and excel.

We care passionately about outcomes rather than attendance and are therefore open to discussing all kinds of flexible working options including part-time, term-time and job shares. Although some roles have limited flexibility due to customer demand, we accommodate requests when we can.

It doesn’t matter if you don’t meet every single criterion in this advert. Instead, think about what you excel at and what else you can bring in terms of strengths, potential and connection to our purpose.