java api engineer

Java Developer - Java Software Engineer - Java Engineering Lead required for global tech leader who will offer an interesting, varied and stable career with excellent training, a competitive remuneration package, stability and career development. Working in a highly technical team of Engineering SMEs you will be responsible for developing and...

Company Description We’re Checkout.com. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day. We are where the world checks out, enabling over 10 billion transactions yearly for more than one billion global shoppers. Whether you want to book a...

We're looking for Senior and Principal Java Developers with a strong background in low-latency systems to join us on a high-performance trading and real-time data project, for a major financial institution. You'll work on mission-critical applications where performance, scalability, and reliability truly matter 6 the kind of systems that power global...

About Onwelo Onwelo is a technology partner delivering end-to-end services, from strategy and architecture through implementation to maintenance, across digital transformation, data, and automation initiatives. Our team consists of more than 400 specialists with strong senior-level expertise, and we have successfully delivered over 300 projects for large...

about the role About Us Our client builds cloud-native software for transport and logistics operators, delivering systems that plan routes, manage fleets and track freight across multi-modal networks. The organisation integrates operational data, telematics and customer workflows to automate scheduling, improve utilisation and provide real-time visibility...

Location: UK (Hybrid / Onsite as required) Experience: 2–5 years Role Type: Fixed Term Contract Overview We are building a modern Data Fabric platform that enables the ingestion, transformation, and serving of large volumes of data as high‑quality, reusable data products for analytics, reporting, and operational use cases. The platform operates across...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Citi is a world-leading global bank. We have...

Payments Engineer – Java London – Hybrid (1 day per week onsite) Are you a hands-on Java Engineer who enjoys building high-performance, distributed systems where resilience, scalability and correctness really matter? This is an opportunity to work at the heart of real-time payments infrastructure, helping to deliver mission-critical platforms...

The role: Principal Software Architect (Domain-Driven, Delivery-Focused) Who: Appvia.io Where: London (hybrid working (1-2 days per month at a minimum) What you get: £80-100k DOE + 10% Bonus + 10% share options Appvia is a cloud, platform and software engineering consultancy doing serious work, and we need a Principal Software Architect who has genuinely...

Ready to take your career global? Make your mark at one of the biggest names in payments. We’re looking for Software Engineer Senior to join our ever-evolving Worldwide Payments Gateway team and help shape the future of global commerce. What You’ll Own Working with the Development Manager and as part of the team you will be contributing with your own...

Company Description Company Description Genomics England is a global leader in enabling genomic medicine and research, focused on creating a world where everyone benefits from genomic healthcare. Building on the 100,000 Genomes Project, we support the NHS’s world-first national whole genome sequencing service and run the growing National Genomic Research...

Ready to take your career global? Make your mark at one of the biggest names in payments. We’re looking for Software Engineer Senior to join our ever-evolving Worldwide Payments Gateway team and help shape the future of global commerce. What you’ll own Working with the Development Manager and as part of the team you will be contributing with your own...

About the Company Interactive Brokers Group, Inc. (NASDAQ: IBKR), a member of the S&P 500, is a global financial services company headquartered in Greenwich, Connecticut, with offices in over 15 countries. Through its affiliates, Interactive Brokers provides automated trade execution and custody of securities, commodities, foreign exchange, and prediction...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Craftsperson/Java/Angular based in United Kingdom. This role is designed for engineers who are passionate about building high-quality, maintainable, and scalable software solutions. You will contribute across the full...

Who 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 for some...

Are you passionate about building secure, next-generation technology that protects people and institutions at scale? Join a team of innovators at JPMorganChase where your engineering expertise directly shapes how millions of customers and institutions authenticate and access critical financial services. Here, you'll work on mission-critical identity and...

hackajob is collaborating with Barclays to connect them with exceptional professionals for this role.Join us as a Senior Java Software Engineer, where you will play a key role within our Markets Technology team, delivering innovative solutions that support Securities Lending, Liquidity Finance and Prime Brokerage businesses. Our team is responsible for...

Job Title Quantitative Trading Engineer Location London Corporate Title Vice President Group Strategic Analytics (GSA) is part of Group Chief Operation Office (COO) which acts as the bridge between the Bank’s businesses and infrastructure functions to help deliver the efficiency, control, and transformation goals of the Bank. You will join the...

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team...

Are you an experienced Full Stack Java / J2EE Developer looking for a role where your work will make a visible difference? At Castelan, we're entering an exciting phase of growth, digital transformation, and innovation. As a trusted furniture care, repair, and warranties organisation working with independent retailers and major UK national brands, our...