135,674+ Core Java Developer Jobs in UK — Top Companies Hiring June 2026

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Java Developer React

Job DescriptionJava Developer ReactLocation - LondonOn-Prem 3 Days per WeekTalan is looking for a talented Java Developer with React experience to join our team delivering cutting-edge Front Office solutions within Global Markets environments.You ...

Senior Java Developer

Senior Java Developer - Digital & Public Services A growing digital consultancy delivering complex, high-impact services into the public sector is looking for a Senior Java Developer to join its engineering capability. This is an opportunity to work on meaningful projects, contributing to the development of scal ...

Senior Java Developer

Senior Java Developer Location: Glasgow Work Schedule: 2 to 3 days per week onsite (Hybrid) Rate: up to £300 inside IR35 Industry: Banking & Financial Services Company Work Schedule: 2 to 3 days per week onsite (Hybrid) Contract Duration: 1st July 2026 - Dec 2026 Join a leading UK Banking and technology services ...

Sr. Java Developer

# Sr. Java DeveloperDeveloperLondonAugust 20, 202588400 - 98700 / monthFull TimeApplication ends: **May 12, 2026**Apply Now### Job DescriptionA Sr. Java Developer is responsible for designing, developing, and maintaining high-quality Java applications. They collaborate with cross-functional teams to deliver sca ...

Java Quantitative Developer

Java Quantitative DeveloperLondon – HybridJava, Low Latency, Algo Trading, Pricing, Hedging, FX/Crypto, DeFi, AWSThe companyThis is an unmissable opportunity for an experienced Java Quantitative Developer to join the crypto trading desk of one of the leadin ...

Senior Java Developer

About the Job you are considering Join Capgemini's Financial Services (FS) Business Unit within the Cloud & Custom Applications (C&CA) practice as a Senior Java Developer. In this role, you will help architect tomorrow by delivering scalable, high-quality applications that drive meaningful busine ...

Backend Java Developer

Backend Java Developer Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC) Location: London, Croydon (Remote, with occasional, infrequent office days) Experience of Java ...

Java Developer eDV

Introduction At IBM CIC, we deliver deep technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with visionaries across multiple industries to improve the hybrid cloud and AI journey fo ...

Java Developer eDV

Introduction At IBM CIC, we deliver deep technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with visionaries across multiple industries to improve the hybrid cloud and AI journey fo ...

Senior Java Developer

Requirements If you’re someone who thrives in collaborative environments, enjoys solving meaningful problems, and wants to make a real impact - this could be the perfect next step in your career Proven hands‑on experience with Java, including designing and implementing RESTful API ...

Senior Java Developer

Software Engineer | Java | Java Developer | J2EE | C# | C++ *In Cambridge office once, every 1-2 weeks* Highly desirable Software Engineer position has become available with one of my key clients based in Central London. The client, a forward‑thinking software company in the Machine Learnin ...

DV Java Developer

Salary: £65,000 - 65,000 per year Requirements Degree or equivalent in computer science, engineering, or a scientific discipline Experience in design, development, test, and integration of quality software Experience working in a cloud environment, such a ...

Junior Java Developer

Junior Java Developer – DAX Exchange Are you an early‑career engineer who wants to build high‑performance systems that power digital advertising at scale? As a Junior Java Developer – DAX Exchange at Global, you’ll join a small, focused team building performance‑critical services ...

Lead Java Developer

HCL is a $11 billion leading global technology enterprise consisting of over 200,000 professionals operating from 52 countries. Founded in 1976, HCL is one of India's original IT garage start-ups. For more on HCL, please visit Job Role Job Title: Senior Java Backend Develop erExp ...

Java Developer (eDV)

Software Engineer | Building Intelligent Systems That Make an Impact London, Manchester or Cheltenham 4 or 5 days a week on site Existing SC or DV Clearance is required National Security Sector Tech: JAVA/C++/Python - or Devops/Data Background An exciting opp ...

Java Developer Contract

Job Description We are looking for very strong Java Developers. Do you think you have what it takes? We are looking for Java developers who have in depth knowledge of backend development with Java. You are going to work on one of Europe’s most exciting financial services products. Y ...

Java Developer (React)

Talan is looking for a talented Java Developer with React experience to join our team delivering cutting‑edge Front Office solutions within Global Markets environments. You will play a key role in designing and enhancing regulatory, alerting, and sales enablement platforms , ...

Java Software Developer

Job Description This is an exciting opportunity within technology consultancy, which offers you fast-track career development opportunities, as well as the opportunity to explore new and cutting-edge technologies. This role supports the full life cycle of software development, and includes the op ...

Backend Developer (Java)

Backend Software Engineer - Java at Capco Location: Glasgow (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strong Java skills and a passion for delivering innovative solutions in ...

Java Developer/ Lead

Job Description Experience in Enterprise Java/J2EE Technologies using Core Java, Spring Core, Spring JDBC template, Hibernate, Spring Batch etc. Experience with Restful Web services Good understanding and working knowledge of API Management and analytics platform i.e. AP ...

Java Software Developer

Job Description This is an exciting opportunity within technology consultancy, which offers you fast-track career development opportunities, as well as the opportunity to explore new and cutting‑edge technologies. This role supports the full life cycle of software development, and includes the op ...

Lead Java Developer

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 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. <h3 ...

Java Software Developer

Job Description This is an exciting opportunity within technology consultancy, which offers you fast-track career development opportunities, as well as the opportunity to explore new and cutting-edge technologies. This role supports the full life cycle of software development, and includes the op ...

Contract Java Developer

Job Description We’re looking for a Java Developer for one of the most exciting financial service projects in Europe. We ideally need someone experienced in Java development in banking/finance. You will be a massive part of the development of a brand‑new digital bank, a great opportunity ...

Java Software Developer

Job Description This is an exciting opportunity within technology consultancy, which offers you fast-track career development opportunities, as well as the opportunity to explore new and cutting‑edge technologies. This role supports the full life cycle of software development, and includes the op ...

Java Software Developer

A superb opportunity for a dynamic Java Software Developer to become a key player in a rapidly expanding company. A genuinely friendly and enjoyable working environment, reporting into a Manager that wants to help you succeed! You will receive the best product training available and be heavily supported th ...

Java Software Developer

Job Description This is an exciting opportunity within technology consultancy. It offers fast‑track career development and exposure to cutting‑edge technologies. The role supports the full lifecycle of software development and includes hands‑on coding, from design and development to delivering hi ...

Java/React Developer

Job Title: Java/React Developer Join Capgemini’s C&CA practice within the FS Business Unit as a Java Full Stack Engineer, where you’ll help architect tomorrow by delivering seamless, end-to-end digital solutions. In line with our vision to Consult with Purpose. Continuously Evolve, you will con ...

Senior Java Developer

Posted date Posted 2 days ago Job ID We're rebooting an icon and building the future of finance. Find out why you should join us. Agile Working Options Job Share; Hybrid Working Job description JOB TITLE Senior Java Devel ...

Senior Java Developer

Salary: £24,000 - 28,000 per year Requirements: Recent experience with Java 21 (or later) Strong understanding of TDD and BDD Experience working in Agile environments Experience implementing APIs for internal and external use Knowledge ...

Senior Java Developer

Lead Java Developer Rate: Up to £700/day Inside IR35Location: Leeds – 3 Days Onsite Per WeekContract: 12 MonthsClearance: Must be eligible for SC clearance About the Role We’re looking for a Lead Java Developer to join a major natio ...

Senior Java Developer

Overview FULLY REMOTE Senior Java Developer – Sustainable GreenTech Project . Salary: Up to £130k. Location: fully remote in the UK. I am partnered with a unique energy software platform that is helping consumers transition towards a sustainable future. They are in search ...

Senior Java Developer

Senior Java DeveloperRemember to check your CV before applying Also, ensure you read through all the requirements related to this role.Location: GlasgowWork Schedule: 2 to 3 days per week onsite (Hybrid)Rate: up to £300 inside IR35Industry: Banking & Financial ServicesCompany Work Schedul ...

Senior Java Developer

Senior Java Developer - Digital & Public ServicesAll the relevant skills, qualifications and experience that a successful applicant will need are listed in the following description.A growing digital consultancy delivering complex, high-impact services into the public sector is looking for a Senior Java ...

Java Cloud Developer

Java Cloud Developer (Must hold active SC) The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our ...

Senior Java Developer

Lead Java DeveloperRate: Up to £/day Inside IR35Location: Leeds - 3 Days Onsite Per WeekContract: 12 MonthsAbout the RoleWe're looking for a Lead Java Developer to join a major national digital transformation programme. The successful candid ...

Senior Java Developer

Make The Connection.Vix Technology is a global leader in providing innovative solutions for public transit, believing that accessibility should be a standard. With over 35 years of experience and systems deployed in more than 200 cities worldwide, we take a modular approach to integrat ...

Senior Java Developer

We are recruiting for a Senior Java EngineerOn-site: 2 dpw in LeedsKey skills: strong experience in Java and comfortable with TDD (test-driven development).Who We Are:We’re on a mission to close the world’s tech skills gap. We help organ ...

Java backend developer

The Applications Development Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applicatio ...

.NET/Java Developer

.NET/Java Developer(Tech stack: .NET Developer, C#, Java, Azure, Kubernetes, DevOps, ReactJS, Microservices, CI/CD, Backend Developer)Our client is a forward-thinking technology organisation delivering cloud-based enterprise solutions. They are seeking a .NET / Java Developer to design, deve ...

Fullstack Java Developer

Can you think strategically and connect the dots across projects to shape the bigger picture?Do you thrive in fast-paced, agile environments, enjoy exploring smarter ways of working, and love to collaborate across diverse teams?Are you passionate about continuous learning and building impactf ...

Junior Java Developer

11610AW£28k – 31k per yearJunior Java Developer Weston-Super-Mere, Somerset | Permanent | Up to £31k per annum | HybridOur client is looking to onboard a Java Developer on a permanent basis. This role would suit a recent graduate or a candidate with a small amount of comm ...

Senior Java Developer

Position Description: At CGI, we help some of the world’s most recognised organisations solve complex challenges through innovative technology and expert delivery. As a Senior Java Developer, you’ll play a pivotal role in designing and delivering scalable software solutions that drive mea ...

Backend Java Developer

Job Description Backend Java Developer – City LondonWe are urgently looking to recruit a Java backend Developers with at least 5 years experience.Must have strong Data structures and Algorithms experience.Also experience of Spring, working with large code ...

Senior Java Developer

Are you ready to shape the future of data?Matillion is the company behind , the AI Data Automation platform. In the AI economy, demand for data is exploding. Manual data engineering can’t keep up. Maia fixes that by combining 15 years of data expertise with agentic AI to eliminate ...

Java Software Developer

Job Description:Java Platform Developer Location: On site in Gloucester or Central London 5 days a week. Due to security vetting requirements candidates must be UK nationals or sole British citizens with no dual nationality and resided in the UK 10 years or over. < ...

Senior Java Developer

Location: Glasgow Job Type: Contract Industry: Cloud & Platform Job reference: BBBH439835_1780263750 Posted: about 10 hours ago Senior Java DeveloperJava | JSF | Microservices | CI/CD | Git | TDD | Jest | MuleSoftWe're looking for an experienced Senior Java Developer to supp ...

Fidessa/Java Developer

Responsibilities:Ongoing development and customization of the Enterprise Fidessa cash equities order management systemsDesign and development of cash equities business requirements on the Fidessa order management systemWork closely with regional and global business sponsors to ...

Java Developer (React)

Job DescriptionJava Developer (React)Location - LondonOn-Prem 3 Days per WeekTalan is looking for a talented Java Developer with React experience to join our team delivering cutting-edge Front Office solutions within Global Markets environments.Yo ...

Senior Java Developer

DescriptionWe are looking for an experienced Senior Java Developer to join the engineering team at Xantura, helping to design, build, and evolve our cloud-based data and analytics platform used by local authorities and public sector organisations across the UK.<br ...

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    Core Java Developer Jobs in United Kingdom Job Search Guide, Trends and Insights