senior java backend developer jobs in London

Affirm is seeking a senior backend engineer to design, develop, and launch scalable backend systems in a remote-first environment in the United Kingdom. You will own end-to-end delivery, drive architectural decisions, and collaborate with global teams across product, design, and analytics to weigh risks and trade-offs while improving reliability and...

We are partnering with a leading technology-driven organisation operating within the Financial Services, FinTech and Payments sector to hire several experienced Senior Backend Software Engineers. This is an opportunity to join a high-performing engineering team responsible for building and enhancing customer-facing products used at scale. You'll be involved...

Job DescriptionSenior Software Developer – London - £50K DOEWhat we need is…We are looking for an experienced developer to be an essential part of our core platform team. You will be working predominantly on the technology that powers the entire business. All of our customer facing products are built on top of this platform and as such is not only...

Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection both online and in person. Giving back is central to who we are, with a focus on local communities, education, and sustainability. We are looking for a talented, fully remote Software Engineer. You ll be...

About HIVED 📦At HIVED, we’re steamrolling forward as one of Europe’s fastest growing startups, and our momentum shows no signs of slowing.Based in London, we are a climate and logistics start-up building the first sustainable parcel delivery network at scale, powered by a 100% electric fleet. In an ever-growing industry where unreliable service has...

At Too Good To Go, we have an ambitious mission: to inspire and empower everyone to fight food waste together.More than 1/3 of all food produced in the world is wasted. And that has a huge impact on the health of our planet. 10% of greenhouse gas emissions come from food waste and loss.Through our marketplace app, we connect businesses that have unsold,...

About Us Plentific is a property technology platform used by housing providers, local authorities, housing associations, asset managers, and contractors across the UK and Germany to coordinate repairs, maintenance, and contractor workflows at scale. The platform combines a marketplace, workflow automation, and operational analytics, and is built to handle...

We are hiring for this position to be based in Europe Praktika is an AI-native education company on a mission to deliver efficient, engaging language learning to billions of people worldwide. We're bridging the gap between traditional learning apps and human tutors through a fully automated tutorship experience powered by generative AI avatars.Since...

  Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. We’re home to the UK’s largest choice of properties and are the go-to destination for millions of people planning their...

About Us:Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

At Stantec, we have some of the world's leading professionals passionate about enabling our business to be its best. Our business teams include finance, procurement, human resources, information technology, marketing, corporate development, HSSE, real estate, legal, and practice services. We bring diverse backgrounds, skills, and expertise and create a...

Backend Software Engineer - Product Eligibility Full-time Compensation: GBP 68,000 - GBP 87,500 - yearly Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international...

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...

Job DescriptionAre you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding teams and shaping technical solutions?A leading specialist technical consultancy is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative Agile team, building bespoke...

A leading consultancy firm is looking for a Backend Java Developer for a hybrid role in London. You will build core backend services for a Data Fabric platform, implementing rule engines and working with SQL parsing and distributed data systems. Ideal candidates should have strong experience in Java (17/21), Spring, and a solid understanding of SQL...

**ABOUT US:** LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we...

Company description Publicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foundry, Starcom and Zenith, as well as global accelerator PMX; immersive experience group PMCI and access to integrated platform-based technologies and offerings from CJ, Epsilon and...

The Opportunity JUXT is partnering with a Tier 1 investment bank on a strategic initiative to build its next-generation FX Risk Platform. The programme is consolidating risk management capabilities into a modern, scalable architecture while decommissioning multiple legacy risk applications. We are looking for a Senior Kotlin / Java Engineer to join the team...

Join us as a Software Engineer, BackendThis is an opportunity for a technically minded individual to join us as a Software EngineerYou’ll be designing, producing, testing and implementing working software, working across the lifecycle of the systemHone your existing software engineering skills and advance your career in this critical roleWhat you'll...

SR2 | Socially Responsible Recruitment | Certified B Corporation™ is seeking a Senior Backend Engineer in London to design and build robust backend systems using Python. You will work with a high-calibre startup developing an agentic AI product, focusing on infrastructure and tooling. Responsibilities include developing backend services, integrating...