Engineering Lead
Date Posted: 30/01/2026
Location: London
Job Type: Full time
Apply NowPurpose
We're looking for an Engineering Lead to own technical direction across our digital products, from our customer-facing web and mobile apps, internal tooling, to data platform. This is a hands-on role where you'll write code daily while shaping architecture and driving engineering standards.
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.
Rest Less is the fastest growing digital community for the over 50s. It has recently been acquired by Just Group's Direct to Consumer business. This is a clear demonstration of Rest Less' success and potential, and Just Group's strategic commitment to investing in the UK retirement sector.
Key responsibilities
Build and own full stack systems end to end, making fast, pragmatic decisions that prioritise learning and impact
Partner closely with product and data to turn business problems into simple, effective technical solutions
Lead a small, high trust engineering team of 2 to 4, setting direction while staying deeply hands on
Ship frequently using short feedback loops, iterating quickly based on real user input
Take full ownership of production systems, including reliability, performance and continuous improvement
Spend the majority of time writing, reviewing and shipping code in a fast moving environment
What We're Looking For
Comfortable leading small engineering teams with line management responsibility while remaining hands on
Strong advocate for continuous delivery, observability, testing culture and developer experience
Pragmatic decision maker who balances speed, quality and technical debt in fast moving environments
Comfortable with on call rotations, incident response and running blameless post mortems
Experience evolving legacy systems alongside modern, scalable architectures
Strong TypeScript and JavaScript experience including React Native, modern frontend patterns and Node.js APIs
Solid backend engineering experience with PHP, Python or similar and strong relational database design using PostgreSQL or MySQL
Hands on experience with AWS serverless, event driven architectures and infrastructure as code using Terraform or CDK
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
Explore our full range of benefits on our dedicated benefits page.
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