senior java backend engineer java 21 spring boot

Senior Java Developer My customer is actively hiring a talented & eager Senior Java Developer to join their growing & dynamic team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications, contributing to the full software development lifecycle from concept to deployment and beyond. This role is ideal...

**Java Developer - Chester, UK** **Location:** Chester, UK Full-Time Role with Ascendion 🏢 **Hybrid – 3 days per week on-site** We are looking for an experienced **Java Developer** to join a banking technology team, working on the development, modernisation and optimisation of enterprise applications. The ideal candidate will have strong **Java and...

Principal Software Engineer Salary to £80k, poss. higher for their ‘Unicorn’ candidate Role can be based remotely, as long as you can occasionally travel to London for client work (travel expenses paid) - approx. once a month. NB: Please only apply if you are a UK National, have resided in the UK for the past 5 years and are prepared to go through...

Job Description We are seeking an experienced Java Full Stack Developer with strong expertise in building scalable enterprise applications using modern Java technologies, cloud-native architectures, and microservices. The ideal candidate will have hands-on experience with Kafka, Kubernetes, API Security, Observability tools, SQL databases, and Spring-based...

Mid / Senior Java Web Engineer A leading global financial markets infrastructure client is looking to hire a talented Java Engiener on a long term contract in London (City - 3 days onsite pw) The role Join a collaborative engineering team building and enhancing a modular, end-to-end trade management platform — hands-on across backend services and web...

Role: Senior Java and Angular developers Location: Glasgow, Scotland Type of Contract: Contract Mode of work: Hybrid JD: * Senior Java and Angular developers with hands-on development expertise * Experience in legacy modernization and UI migration initiatives * Frontend: Angular (TypeScript)Backend Framework: Java Spring Boot * .Net will be...

Role; Senior Java Software Engineer Location; Nottingham City Centre Working Arrangement; 3 days per week in the office: Tuesday-Thursday Salary; up to £80k plus excellent benefits You love software engineering. You love building Data solutions. You love sharing knowledge with others. Bringing all these loves together into one role is what you’re...

Role: Senior Java and Angular developers Location: Glasgow, Scotland Type of Contract: Contract Mode of work: Hybrid JD: * Senior Java and Angular developers with hands-on development expertise * Experience in legacy modernization and UI migration initiatives * Frontend: Angular (TypeScript)Backend Framework: Java Spring Boot * .Net will be added advantage *...

We are seeking a highly skilled and experienced Java Developer to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate will possess deep expertise in Java and Spring Boot, strong architectural knowledge, and proven experience leading development teams in delivering large-scale...

Hays are now looking for X3 Java Developers for one of our local clients: £600 - £640 p/d Inside IR35 Hybrid - 2 days a week in Telford, the rest is WFH 6 months+ contract Role 1 - Java Engineer (Kubernetes Platform Delivery) What you'll be doing -Working within a Scrum team delivering common and technical components for a large government...

At Rockstar Games, we create world-class entertainment experiences.  Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry.  Rockstar...

Hays are now looking for a Senior Java Developer for one of our local clients:3322 p/d Outside IR353 days p/w in Glasgow, rest is WFH6 month contract+The Senior Java Developer will have strong back-end Java skills and React/JSF front-end experience to deliver modern web applications in an Agile environment.What you'll be doingDeveloping and enhancing...

Our client is in the Insurance sector and is looking to grow their team with a Java Senior Developer. This role will have a big focus on Agentic Development and is 2 days a week in London. Client Details Our client is in the Insurance sector and is looking to grow their team with a Java Senior Developer. This role will have a big focus on Agentic...

Principal Java Engineer - Backend PlatformSalary: £76,340 - £100,340 Per AnnumContract: Full-Time, PermanentLocation: Hybrid - minimum 2 days per week in office, Basingstoke/London/BristolAbout the RoleThe Principal Software Engineer (Full-Stack, Backend-leaning) is a senior engineer responsible for the backend architecture, data pipelines, and API layer...

DescriptionAbout Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery.We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining...

**Senior Java Architect / Banking & Payments** **London, UK (4 days office in a week)** **Permanent** **Role Summary:** Seeking an experienced Java Engineering Architect to lead the design and delivery of enterprise-scale banking and payments platforms. The role requires deep expertise in payments, banking operations, messaging architectures,...

About ARQARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you’re excited by big challenges,...

Working at CreateFutureCreateFuture is an AI-native consulting partner where people do work that matters and are supported to do it well. We work alongside organisations such as PayPal, adidas, NatWest, FanDuel and Money Saving Expert, building digital products and services that make a difference  while always putting people first. We’re a team of...

Java Developer Contractor £540 - £640 per day (Umbrella) | Inside IR35 📍 London (Hybrid - 3 days per week in the office) 📅 6-Month Contract 🔒 Active SC Clearance Required Java Developer | Enterprise Applications | Agile Delivery We are currently seeking an experienced Java Developer Contractor to join a high-profile technology delivery...

Accepting applications until: 23 October 2026Job DescriptionYour Role: Java Developer – Digital Out of HomeAre you a Java Developer looking to be part of a team building cutting-edge, event-driven systems that power millions of digital advertising moments every day?As a Java Developer within our Digital Out of Home (DOOH) team, you’ll help develop the...