senior java backend developer jobs in London

SENIOR SOFTWARE ENGINEER – PHP Purpose To design and build the modular platform that will carry the business capability as we move off a forty-year-old system — working in PHP 8.3 with Slim, Doctrine and PostgreSQL — and to share ownership of it properly across a small team. The stack Backend — PHP 8.3 · Slim 4 · PHP-DI 7 · Doctrine ORM 2 & DBAL 3...

Senior Full Stack Developer Location: London Contract: Contract Working Pattern: Office-based We’re looking for an experienced Senior Full Stack Developer to join a small development team building and maintaining a complex, business-critical internal platform. This is a hands-on senior role with genuine technical ownership. You’ll take requirements from...

A mission-driven tech scale-up is seeking a Senior Backend Engineer to design, build, and scale their core software platform. This hands-on role involves creating backend services in Python and improving system performance while collaborating with a high-performing team. The ideal candidate has strong experience in developing production systems and APIs,...

About Octopus Electroverse We’re making electric vehicle ownership as smart and as simple as possible, by building the giant, virtual charging platform of the future. In just five years, Octopus Electroverse has grown to become one of the largest eMobility players globally, with over 1,400,000 connected electric vehicle chargers and a customer ecosystem...

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here, you'll do meaningful work that helps millions of...

Capco is seeking a Senior Backend Engineer (Java) in London to design and build cloud-native backend services using Java, Spring Boot, and AWS. You will influence backend architecture, champion best practices, and contribute to modern banking technology while embracing AI-enabled development practices.You will work in Capco's Technology & Engineering team,...

Senior Full Stack Developer Location: London Contract: Contract Working Pattern: Office-based We’re looking for an experienced Senior Full Stack Developer to join a small development team building and maintaining a complex, business-critical internal platform. This is a hands-on senior role with genuine technical ownership. You’ll take requirements...

Company DescriptionLyst is a technology platform that revolutionises the way people shop for fashion. We connect millions of consumers globally with the world’s leading fashion designers and stores, giving them a simpler, more engaging and more effective shopping experience. Lyst has grown over 300% every year since launch in 2011 and has raised over $60M...

We’re looking for someone to join our high performance engineering team building our new real time banking platform. You’ll bring strong experience of working with Continuous Deployment practices in production environments.You’ll have experience building and operating cloud native services using technologies such as Spring Boot, with automation as a...

Technology: Progress OpenEdge, Java, Platform Architecture Location: Crawley, London Role Summary We are seeking an experienced Platform Architect to define and drive the long-term technical vision, architecture, and strategy for a business-critical on-premise back-office platform. This role will provide strategic technical leadership across multiple...

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. That takes high standards, high velocity and engineers who own what they ship. Today, we serve over 6 million clients, with more than €38 billion in assets under management. At that scale, performance, reliability and...

Who We AreAt JD.com, also known as JINGDONG, we are building one of the world’s most trusted technology and supply chain ecosystems. What started as a bold idea in China has evolved into a NASDAQ-listed, Fortune 44 global enterprise serving over 700 million active customers. Powered by advanced logistics, innovative technology, and a commitment to...

A leading technological organization is hiring a Senior Fullstack Engineer with a backend focus to join their remote team. This role involves core product engineering on the Feeld mobile app and backend systems, requiring extensive backend development experience with TypeScript and AWS technologies. The company promotes an inclusive work culture, offering...

DescriptionJoin us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where your ideas matter. Experience career...

About Octopus Electroverse We’re making electric vehicle ownership as smart and as simple as possible, by building the giant, virtual charging platform of the future. In just five years, Octopus Electroverse has grown to become one of the largest eMobility players globally, with over 1,400,000 connected electric vehicle chargers and a customer ecosystem...

Company DescriptionWe are all about making everyday moments simple and awesome, our apps are currently transforming the hospitality industry. Flypay’s newest product Flyt was designed to give hospitality business the flexibility to innovate quicker.The philosophy behind Flyt’s platform technology is simple: to say goodbye to all the hassles that get in...

Affirm’s Identity team is mission-critical to the customer checkout experience. When a customer chooses Affirm, one of the first steps is an identity check, and our ability to make the right decision directly impacts conversion, revenue, fraud exposure, and regulatory compliance. We are responsible for KYC, user lifecycle management, and identity...

Updraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to day decisions involved in managing money and mainstream borrowings like credit cards, overdrafts and other loans.A 360 degree...

A global financial services organisation is growing a senior Java engineering team to support a strategic, business-critical technology platform. This is a hands-on, senior level role suited to experienced engineers who enjoy working on complex systems while helping shape technical direction and engineering standards.What we’re looking forStrong Java...

Who We AreWho We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a preferred vendor for Fortune 500 companies and as a trusted partner...