staff java backend developer

A leading organisation within the Energy & Utilities sector is seeking an experienced Java Application Developer to support the delivery of business-critical applications within a modern cloud-native environment.£520 p/d Inside IR35Mainly Remote (1 day a week in London, the rest is WFH)6 month+ contractIn the role you will design, develop and support...

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...

A leading organisation within the Energy & Utilities sector is seeking an experienced Java Application Developer to support the delivery of business-critical applications within a modern cloud-native environment. £520 p/d Inside IR35 Mainly Remote (1 day a week in London, the rest is WFH) 6 month+ contract In the role you will design, develop and support...

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...

About Client:A FTSE 250 global fintech company headquartered in London with a presence in 18countries and five continents. Their award-winning products and platforms empower go-getters around the world giving them access to over 19,000 financial markets.Mode of working: Hybrid(2-3 from London office)What you will need for the role:● Java & Spring/Spring...

If you're a Principal level Java or Kotlin Developer who wants to stay hands-on while having a genuine influence over architecture, technology and the engineers around you, this is a role worth exploring. This is an opportunity to take a leading technical role on a large, high-throughput platform within the telecommunications and online payments space.Java /...

Backend Software Engineer / Developer (C# .Net Java Low Latency) London to 90kAre you a technologist who enjoys contributing to technical discussions and using the best tool for the job?Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV.You could be progressing your career at a global,...

Job Description Java Developer Location: Gloucester, London or Manchester (Up to 4 days per week onsite) Salary: Competitive Clearance: Enhanced DV Required The Opportunity This organisation delivers secure software, data and operational capabilities into some of the UK's most sensitive National Security and Defence environments. Their engineering teams...

Company DescriptionVertex Solutions is a specialist technical recruitment company which works with some of the Europe's brightest and most innovative technology companies within Research, Development and Science. Since 1997, we have helped to build talented teams of Engineers (Software, Hardware and IT/Network Support) and scientific staff from graduate...

If you're a Principal level Java or Kotlin Developer who wants to stay hands-on while having a genuine influence over architecture, technology and the engineers around you, this is a role worth exploring. This is an opportunity to take a leading technical role on a large, high-throughput platform within the telecommunications and online payments space. Java...

About Scrumconnect ConsultingScrumconnect Consulting is a multi-award-winning digital consultancy whose work has positively influenced the lives of over 40 million UK citizens. We deliver impactful technology solutions across UK government departments, working at the forefront of user-centred design, agile delivery, and scalable digital services that...

If you're a Principal level Java or Kotlin Developer who wants to stay hands-on while having a genuine influence over architecture, technology and the engineers around you, this is a role worth exploring.Have you got what it takes to succeed The following information should be read carefully by all candidates.This is an opportunity to take a leading...

About UsEvery business needs to know who they’re really working with whether it’s suppliers, investors, partners, or third parties. At Xapien, we’re reinventing how organisations do that, combining speed, scale and accuracy with cutting-edge AI.Since 2018, we’ve grown from a deep-tech startup to a global player in AI-driven due diligence and risk...

Accepting applications until: 16 October 2026Job DescriptionYour Role: Senior Java DeveloperWe’re looking for an experienced backend engineer with a passion for technical excellence and improving user experiences. You’ll join our DAX engineering team, working on our ad server platform and related products that power campaign delivery at scale. This role...

If you're a Principal level Java or Kotlin Developer who wants to stay hands-on while having a genuine influence over architecture, technology and the engineers around you, this is a role worth exploring.This is an opportunity to take a leading technical role on a large, high-throughput platform within the telecommunications and online payments space. Java /...

Help build and operate reliable, scalable and secure digital services that support UK businesses and trade. Department for Business, Innovation, Science and Trade (BIST), in partnership with Inspire People, is seeking a Senior Backend Engineer. Whilst the team primarily develops in Python, we welcome applications from experienced backend developers with...

Senior Java Developer Build, improve, and ship software that matters. We’re looking for an experienced Java Developer to join a collaborative engineering team and work on products used in a fast-paced, technology-driven environment. You’ll be involved across the development lifecycle — from building new features and improving existing applications to...

At Rockstar Games, we create world‑class entertainment experiences. By joining our team, you will contribute as Senior Software Engineer (Java) to some of the most rewarding, large‑scale creative projects in the entertainment medium. We foster an inclusive, highly motivated environment where you can learn, innovate, and collaborate with some of the most...

Build, improve, and ship software that matters. We’re looking for an experienced Java Developer to join a collaborative engineering team and work on products used in a fast-paced, technology-driven environment. You’ll be involved across the development lifecycle — from building new features and improving existing applications to writing tests,...

DescriptionJoin Zepz: Breaking Down Borders, TogetherOur Meaningful MissionAt Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver opportunities to cross-border communities that need it most through cutting edge finance and tech.Zepz is the power behind WorldRemit...