Engineer in London

Location: London - hybrid

Contract: Permanent

Hours: Full time - 35 hours

Purpose of the role

To develop, maintain, and support customer‑ and colleague‑facing software solutions that enable Just Group's business strategy. The role will contribute to designing and building secure, scalable, and reliable applications in line with Group Engineering standards and cloud best practices.

About Just

We help people achieve a better later life. That’s our purpose and it’s the reason we exist. We are a fast-growing company helping customers enjoy the retirement they deserve. We do this through a variety of market leading, award-winning products and services, delivered by a diverse team of over 1,400 purpose-led colleagues who genuinely put the customer at the heart of everything we do. This is a brilliant time to join our business. We are on an exciting growth journey to become the UK's most loved retirement expert.

Key Accountabilities

• Develop and maintain bespoke applications using technologies such as JavaScript/React, C#/.NET, Microsoft SQL, MongoDB, and Azure services.
• Build and support APIs and microservices, ensuring secure, scalable, and cloud‑aligned solutions.
• Design and implement Azure infrastructure to support microservices and containerised applications using Kubernetes/AKS, Docker, Terraform, and Helm.
• Prepare release content and documentation, contributing to reliable, repeatable deployment processes.
• Establish and improve DevOps practices to streamline deployments and enhance time‑to‑market.
• Create and maintain clear technical documentation and participate in peer reviews across the full technology stack.
• Apply effective testing and quality assurance approaches, ensuring solutions meet required standards and security expectations.
• Collaborate across engineering and product teams, support issue resolution, and maintain ongoing professional development.

Examples of Key Activities

• Contribute to Agile ways of working by actively participating in stand‑ups, sprint planning, and retrospectives.
• Work collaboratively with cross‑functional teams to clarify requirements, discuss design options, and support smooth delivery of features.
• Write clean, maintainable .NET code following SOLID principles and established coding standards.
• Develop unit and integration tests to support reliable, testable code and ongoing quality improvements.
• Support deployment activities across DTAP environments and assist in implementing CI/CD practices.
• Refactor and troubleshoot code to resolve defects and improve performance.
• Maintain clear documentation through code comments, technical notes, or wiki updates to support knowledge sharing.
• Provide application‑level technical support and participate in cross‑team initiatives such as communities of practice.

What we’re looking for

• Experience with modern technologies such as C#/.NET, JavaScript/React, SQL Server, MongoDB, Azure, or Microsoft Dynamics 365.
• Understanding of DevOps practices, including CI/CD pipelines and tools such as Azure DevOps.
• Experience applying SOLID principles and clean coding practices in day‑to‑day development.
• Familiarity with test approaches such as Test‑Driven Development or Behaviour‑Driven Development.
• Ability to work effectively in an Agile team environment and collaborate across disciplines.
• Strong analytical skills with the ability to understand, break down, and work with complex technical concepts.
• A willingness to learn new skills, adopt emerging technologies, and leverage AI capabilities to enhance software development.
• Clear verbal and written communication skills suited to cross‑team collaboration and documentation.
• Computer science / computing related qualification is essential.

Our behaviours

At Just you’ll have the opportunity to develop your career, whilst making a difference to the lives of those around you. You’ll be part of a company with a strong and distinctive culture - we’re ambitious, curious and collaborative – and every decision we make centres around being Just and delivering the best outcomes for our customers.

What’s in it for you

• A competitive salary, pension scheme and life assurance.
• 25 days annual leave plus an additional day on us for your birthday.
• Private medical cover and income protection, just in case.
• A generous and highly achievable bonus scheme.
• Opportunities to progress your career in-role and within the company.
• Free access to the Headspace app, 24/7 employee assistance helpline and trained physical and mental health first aiders.
• A variety of employee funded benefits available via our online benefits portal.
• Plus, several additional purchase options available for you and your loved ones.

Belonging at Just

Valuing diversity of thought and fostering a sense of belonging is critical to our business success, driving innovation and balanced decision making. Our work on DEIB (Diversity, Equity, Inclusion and Belonging) aims to deliver a brilliant employee experience underpinned by a sense of belonging, where our people feel proud to work at Just. We remain committed to our publicly disclosed HM Treasury Women in Finance Charter and Race at Work Charter targets and support a wide range of employee network and events, championing issues including intergenerational working, social mobility and neurodiversity.

Application details

Please submit your CV using the 'apply now' button. Shortlisted candidates will be contacted regarding next steps which may include an initial phone interview and in-person assessment.

Be Bold. Be Brilliant. Be Just.