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java developers

10 java developers jobs found

CL
Mar 26, 2026  
Senior Software Engineer
Senior Java Software Engineer (Contractor) UK-Based | Fully Remote Outside IR35   Contract to Dec 2026 We are supporting a global engineering and technology organisation in the search for a Senior Java Software Engineer (Contractor) to join their Performance Engineering & Research team. This is a fully remote opportunity (UK-based candidates only) working on robust, scalable software that supports sophisticated control algorithms and performance optimisation systems. The Role You will design, build and maintain efficient, high-performance Java applications, contributing across the full software development lifecycle including: Requirements analysis and system design Development and implementation Testing and deployment CI/CD and automation improvements Technical documentation Working under the guidance of the Principal Performance Engineer, you will collaborate with solution design, integration, simulation and delivery teams globally. What We’re Looking For Minimum 5...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Mar 27, 2026  
Java Developer
Java Developer Location - Remote with some ad hoc travel to London 6 months £468 per day inside IR35 Active SC clearance required Skills: The ability to work with data throughout its lifecycle, from collection and storage to processing and analysis. Data developers are responsible for designing, implementing and maintaining the systems and infrastructure needed to handle large volumes of data. They work on integrating data from a variety of sources, ensuring that different data sets can be effectively combined and analysed. They can also utilise programming languages such as Python, Java or SQL and tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful - R, Apache Spark Very useful - Python, SQL, JSON, LakeFS
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Mar 26, 2026  
Front End Developer - Active SC
Front End Developer - Active SC Up to £550 per day - Inside IR35 London / Remote 6 months My client is an instantly recognisable consultancy who require Front End Developers with Active SC Clearance to join a business-critical programme for an end client within the Public Sector. Key Requirements: Proven commercial experience working as a Front-End Developer within the Public Sector. Active SC Clearance. NPPV3 Clearance eligibility. Hands‑on React and TypeScript experience across large microservice architectures. Proficiency in test‑driven development (e.g., JUnit, Mockito) and building robust, well‑tested applications. Skilled in containerisation with Docker and relational databases such as Postgres (Liquibase exposure beneficial). Experienced with CI/CD pipelines and modern DevOps practices (e.g., Jenkins or similar tooling). Familiarity with Swagger/OpenAPI, Gradle, Liquibase, Kafka, Java (Spring Boot). Comfortable working in Agile environments and collaborating across...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 25, 2026  
Java Software Engineer into Architect
Hiring: Java Software Engineer 📍 UK-Based | 🏠 Remote | 📅 12‑month contract | 450 per day I'm currently supporting the search for a highly capable Java Software Engineer looking to transition into Architecture to join a major transformation programme, leading the migration from on‑prem services into Azure. This isn't a junior role in experience - we're looking for someone with high-level architectural capability, strong communication skills, and the confidence to guide and oversee the work of experienced engineers. What You'll Be Doing 🔹 Supporting the Senior Architect across a large-scale cloud migration 🔹 Shaping data pipelines, data flows, and system-wide design 🔹 Providing architectural oversight to senior developers 🔹 Working across Java, Python and large data environments (design > coding) 🔹 Bringing a strong, assertive technical voice to ensure delivery stays on track What we're looking for: ✔ Strong Java engineering experience ✔ Exposure to cloud migration...
IR35 Status:
Unknown Status

CV-Library Bracknell, Berkshire Contractor
CL
Mar 25, 2026  
Junior Architect – Azure & Java
A leading global technology organisation is seeking a hands‑on Junior Architect to join a high‑performing engineering group building secure, scalable, cloud‑native platforms. You’ll work on modern Azure and Java solutions that will underpin future AI‑driven capabilities, perfect for someone who enjoys solving complex technical challenges and shaping architecture within a large-scale environment. You’ll collaborate closely with senior architects and engineering teams to design, build, and evolve cloud-native services on Azure. This is a highly technical role where you’ll influence architectural decisions while remaining actively involved in coding, reviewing, and improving Java-based microservices. Key responsibilities include: Designing and delivering Azure-hosted Java microservices and platform components. Building and maintaining CI/CD pipelines using GitHub or Azure DevOps, ensuring high standards of quality, security, and observability. Performing complex Java...
IR35 Status:
Unknown Status

CV-Library Cardiff, UK Contractor
CL
Mar 28, 2026  
Senior SSO Developer (Java)
Job Opportunity: Senior SSO Developer (Java) Location: D18 - full time onsite Contract Length: 6 months initially Working Pattern: Full Time Are you ready to take your software development skills to the next level? Our client is looking for a talented Software Developer who thrives in a dynamic environment and is passionate about delivering high-quality solutions. If you have a flair for coding and a strong desire to innovate, we want to hear from you! Key Responsibilities: As a Software Developer, you will be at the forefront of transforming complex requirements into impactful solutions. Here's what you'll be doing: Contributing to story refinement and defining requirements. Guiding your team in estimating the work necessary to realize stories through the delivery lifecycle. Conducting spikes and proof of concepts to mitigate risk and explore new ideas. Coding solutions and unit testing to meet defined acceptance criteria and compliance standards. Utilizing various...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Mar 28, 2026  
Automation Developer
Automation Developer Location: Gloucestershire Contract Type: Contract About the Role Guidant Global is supporting our client in recruiting a talented Automation Developer to design, develop, and optimise automation solutions that streamline business processes and enhance operational efficiency. This is a fantastic opportunity for someone with strong scripting skills and an interest in rule engines, workflow automation, and modern integration technologies. You'll work closely with technical and non‑technical stakeholders, identifying process inefficiencies and turning them into scalable, automated solutions that add real value across the organisation. Key Responsibilities Develop, deploy, and maintain automation solutions and applications using Python, JavaScript, and relevant automation tools Identify automation opportunities by analysing existing workflows and business processes Work with stakeholders to gather requirements and translate them into effective technical...
IR35 Status:
Unknown Status

CV-Library Gloucester, Gloucestershire Contractor
CL
Mar 27, 2026  
Full Stack Developer
Full Stack Developer (GCP / Java / Python) – Contract – Hybrid Location: London Working Pattern: Hybrid (2–3 days onsite) Employment Type: Contract Role Overview We are looking for an experienced Full Stack Developer to join a platform engineering team delivering modern cloud-native applications. The role involves developing scalable solutions while supporting the transition of legacy monolithic systems to API-driven microservices architectures. You will work closely with engineering and DevOps teams to design, build, and deploy secure applications within a GCP-based cloud environment. Key Responsibilities * Design and develop scalable full stack applications * Build and integrate REST APIs and microservices * Work within Google Cloud Platform (GCP) environments * Support CI/CD pipelines and modern DevOps practices * Contribute to modernising monolithic systems into microservices architectures * Participate in code reviews...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 25, 2026  
Developer-in-Test (SC Cleared)
Developer-in-Test (SC Cleared) Southend / Reading (Hybrid) 3 Month Rolling Contract £450/day (Outside IR35) Developer-in-Test needed with active SC Security Clearance and Java coding skills. 3 Month Rolling Contract based in either Southend (Essex) or Reading (Hybrid). Hybrid Working - 3-4 days/week remote (WFH), and 1-2 days/week working on-site from the office. Start ASAP in March 2026. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Developer-in-Test / SDET with strong Java coding + test automation skills. Government / (url removed) projects experience strongly preferred. Test automation tools experience -eg- Selenium, Serenity or Cucumber. Continuous Integration tools -eg- Jenkins, Stash, Hudson, Github. Testing UI and Web Services systems including end-to-end and in isolation using Mocks. Experience with large datasets + appreciation of data isolation in a multi-tenanted SAAS platform...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jan 17, 2026  
PERL Software Developer
World Class Defence Organisation is currently looking to recruit a remote PERL Software Engineer subcontractor on an initial 6 month contract. Job Title:  PERL Software Engineer Rate: £77 - £84 per hour Location: Stevenage Hybrid / Remote working: This role is a remote based role – with just 1 visit to the Stevenage site per month. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) PERL Software Engineer Job Description: The Software department are looking for a software developer with experience in the PERL programming language. We require someone who can create and update text-based templates used in Technical Publications authoring and publishing tasks. Knowledge of the Technical Publications publishing process would be an advantage but not a requirement. Assistance in updating and in some cases,...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
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