java backend developer

Backend Developer — AI Data Services About The Role What if your C# expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior C# Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their...

**Hiring: Senior Java Backend Developer – Payments** We are looking for an experienced **Senior Java Backend Developer (Payments)** for a **contract** opportunity **(INSIDE IR35, Hybrid , Hampshire , Long-Term)** . You should have experience developing highly available, scalable backend services and APIs, preferably within the **Payments / Settlement...

hackajob is partnering directly with Version 1 to hire for this role.All potential applicants are encouraged to scroll through and read the complete job description before applying.Company Description Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success....

Working with a global organisation that is looking for aJava Software Developerto help deliver a high-profile project.The team are predominantly Telford based, and they will be looking to have team days each week in the office whenever appropriate to meet the clients' working standards. This is an exciting opportunity to get into a growing team and an...

Adecco Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in...

Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career?You could be joining a global technology consultancy.What's in it for you: Salary to £90kHybrid working (x2 days WFH per week)Pension, Life...

Job DescriptionRole Summary :We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands‑on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilities—spanning digital custody, tokenization enablement, digital transfer agency,...

Java Developer - Cloud Services + 12 month initial contract + Hybrid working out of Newcastle + SC Cleared role + £70 p/h - Inside IR35 Key Skills: + Java Developer + Cloud Services + RedHat/Kubernetes Role Overview - The Software Engineer will join our collaborative, forward-thinking Agile Scrum team, working on innovative Geospatial software,...

We are a leading global asset management firm with over 3,000 employees across 20 offices in 15 countries; we help millions of investors around the world pursue their financial goals.We hire critical thinkers. People who thrive in a collaborative culture like ours where we solve real problems while building the future of finance.YouAre excited to be part of...

Java Developer – Front Office / Trading SystemsJoin MARGO in the UK (London) – Perm & Contracting Opportunity* MARGO is a tech-native consultancy delivering high value-added IT expertise to the financial services industry. We specialise in complex software engineering environments where performance, robustness and scalability are critical: low latency...

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 ownWorking with the Development Manager and as part of the team you will be contributing with your own code...

Role Summary :We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands‑on engineering role responsible for building end‑to‑end product experiences across modern web user interfaces and Java backend services that power institutional digital asset capabilities in a regulated financial services...

Job Summary We are seeking an experienced WebMethods + Java Full Stack Developer with AWS expertise to design, develop, and maintain enterprise integration solutions and cloud-native applications. The ideal candidate should possess strong hands-on experience in WebMethods Integration Server, Flow Services, File Processing, Java Full Stack development,...

DescriptionThe role is about:We are looking for a Senior Python Backend Developer (Services) to join our engineering team and contribute to the evolution of our service layer architecture.This role is focused on designing and building reliable, scalable microservices while also working with and gradually transforming legacy systems. You will play a key role...

DescriptionThe role is about:We are expanding our engineering capabilities and looking for a Senior Backend Engineer to join our growing team.In this role, you will play a key part in designing and building scalable, high-performance backend systems, contributing to the development of robust services that support a range of internal and customer-facing...

Job Reference: Nj0415Date Posted: 17 August 2026Recruiter: Nexus Jobs LimitedLocation: LondonRemote Working: 100% remote working possibleSalary: 55,000 to 75,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob DescriptionSenior Backend Developer with Umbraco C# .netWorking as part of...

Job DescriptionPurpose of the roleTo design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. AccountabilitiesDevelopment and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and...

About BR-DGE BR-DGE is an award-winning FinTech founded in Edinburgh, powered by a high-performing, remote-first team across the UK and beyond. Our platform gives e-commerce and technology businesses the freedom and flexibility to redefine how they handle payments. Since 2018, we've been pioneers in payment orchestration, enabling enterprise brands to...

Working with a global organisation that is looking for a Java Software Developer to help deliver a high-profile project. The team are predominantly Telford based, and they will be looking to have team days each week in the office whenever appropriate to meet the clients' working standards. This is an exciting opportunity to get into a growing team and an...

Working with a global organisation that is looking for a Java Software Developer to help deliver a high-profile project. The team are predominantly Telford based, and they will be looking to have team days each week in the office whenever appropriate to meet the clients' working standards. This is an exciting opportunity to get into a growing team and an...