17 java developer jobs found

I am working with a consultancy feeding into the public sector looking for 2x SC preferable Java developers.  Inside IR35 £400 per day Start date - immediate End date - 29th April 2026 Active SC preferred  TDD and BDD. Java 21 (or later). Microservice architectures. Agile environment activities Pair programming environment activities. Implementing APIs for internal and external use. Build a useful, robust automated test suite to support a continuous deployment environment. Communicate technical concepts to a non-technical audience. Using Unix-like operating systems such as Linux and/or Mac OS X. Research and learn new programming tools and techniques. MongoDB or other document databases

Senior Java Developer Initial 3-month contract starting ASAP Tech stack/skills required: * Java specialist * Prior gov experience will be prioritised * Java 21+, Spring 3 * NodeJS * CI/CD pipelines (GitLab CI) * MongoDB (NoSQL) * TDD and Unit Testing * AWS Cloud Technologies * Microservice architecture * Apache Kafka * Docker/Containerisation * Git * Available to interview and start at short notice Project overview: The team works in Agile, using Scrum and Kanban, and delivers in two-week sprints. The service is currently in the Public Beta phase. The Full Stack Developer will join a cross-functional scrum team to support ongoing build activity and help meet delivery timelines. The role is critical to ensuring the team can continue to deliver high-quality, accessible digital services to users

The Race to Zero: Senior Java Low-Latency Engineer (Fixed Income) 6 Months Contract London Hybrid Role Competitive daily rate. Our client "A premier global electronic trading powerhouse" is looking for a Java Specialist to lead a mission-critical shift in their E-Fixed Income (eFI) architecture. They aren't just looking for a "developer"-we need a systems artist who understands that in this world, latency is the only metric that matters. The Tech Stack The Core: Low-latency Java (Mechanical Sympathy, Memory Tuning, GC Avoidance). The Connectivity: TransFICC specialization, TCP/UDP, Kernel-level optimization. The Infrastructure: AWS, Ansible, Linux Performance Tuning. The Philosophy: DDD, TDD, and fault-tolerant architectural design. Who You Are A Veteran of the "Zero-Latency" World: 8+ years in electronic trading (5+ specifically in E-Commerce/eFI/FX). A TransFICC Expert: You understand how to leverage TransFICC to unify fragmented bond markets into a streamlined "One API"...

I am currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed: Extensive Java development experience within investment banking or commodities - must have. Extensive Kafka experience. Working knowledge of Python frameworks, e.g. Django, Flask, Pandas etc. Strong experience with data streaming standards and design patterns. Good knowledge of Microsoft's development stack. What you'll get in return: Up to £925pd depending on experience. Initial 6-month contract with extensions. London-based hybrid working. What you need to do now: If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an...

Job Title: Java Developer Location: Glasgow/Bournemouth - fully onsite Salary/Rate: £409 INSIDE IR35 Job Type: Contract Company Introduction The Java developer will be responsible for designing, developing, and maintaining software applications using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. Job Responsibilities/Objectives Develop high-quality software design and architecture using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. Collaborate with cross-functional teams to define, design, and ship new features. Some hands on knowledge on React JS, Redux, HTML5, CSS3 Some exposure to frontend testing tools like Jest Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Maintain code quality, organization, and automation. Implement security and data protection measures. Conduct software analysis, programming, testing, and debugging. Oversee the development of documentation...

I am currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed: Extensive Java development experience within investment banking - Must have. Extensive Kafka experience. Strong experience with data streaming standards and design patterns. Strong experience working in an agile environment. What you'll get in return: Up to £750pd umbrella. Initial 6-month contract with extensions. London-based hybrid working. What you need to do now: If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers....

Full Stack Developer - Active SC, NPPV3, Java Up to £550 per day - Inside IR35 Remote 6 months My client is an instantly recognisable consultancy who require a Full Stack Developer with Active SC and NPPV3 clearance for a client within the public sector. Key Requirements: Proven commercial experience working as a Full Stack Developer within the Public Sector. Active SC and NPPV3 Clearance. Senior‑level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React; mid‑level experience acceptable in the other Proven experience delivering high‑quality, cross‑functional solutions using microservices and micro‑frontend architectures Hands‑on experience with Java & Spring best practices, React, and cloud/data services including SNS, SQS, S3, Aurora/PostgreSQL, and OpenSearch Excellent communication skills. Nice to have: Technical leadership with the ability to identify delivery inefficiencies, escalate issues, and drive value.Hays Specialist...

I'm looking for a fantastic full-stack developer for an exciting client. Rate: £650/day - inside IR35 💰 Contract length: 6 months Pattern: Hybrid - 1 day on site/week in Manchester ASAP start MUST HAVE TECH STACK: ✅React ✅Java ✅Spring Boot ✅ AWS ✅S3/Fargate/Lambda Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Computer Futures please visit Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales

Lead Full Stack Developer Rate: Up to £650/day (Outside IR35) Duration: 6 months initially Location: Hybrid - Milton Keynes / Remote Clearance: SC Cleared Overview An exciting opportunity for a Lead Full Stack Developer to join a small, high-performing tech company supporting a major UK government programme. You'll play a key role in the development and evolution of a cutting-edge, AI-enabled digital service used across multiple government departments. This role combines hands-on development with technical leadership, working closely with architects, product stakeholders, and client teams to deliver secure, scalable software solutions. Responsibilities Front End Design and build modern, responsive user interfaces Develop using React, TypeScript, JavaScript, HTML, CSS Drive strong UX and cross-browser compatibilityBack End Design and develop APIs and services Build server-side logic using Java (Spring Boot) Contribute to overall application architectureData & DevOps...

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,...

Rate: Up to £468 Clearance: SC Clearance Required Contract Length: 6 months Location: Telford (2 days per week on-site) OverviewWe are seeking an experienced Data Engineer with strong software engineering skills to support transformation and data-processing activities within our Sage programme. The successful candidate must hold active SC Clearance and demonstrate expertise across Java, Unix-based environments, and XML/JSON data handling. Key Responsibilities Develop, maintain, and optimise data-processing solutions within the Sage environment. Perform complex XML transformations and splitting, including CRS-FATCA data handling. Write robust, well‑structured code using Java and Unix shell scripting. Develop and maintain data integration workflows and pipelines. Work with relational databases such as Oracle DB or MySQL, including writing efficient SQL queries. Collaborate with cross-functional teams to support ETL, data ingestion, and transformation processes. Troubleshoot...

Deutsche Bank is a global banking business with strong roots in Germany and operations in over 70 countries. Their large but focused footprint gives an established position in Europe plus a significant presence in the Americas and Asia Pacific. There are four business divisions: the Corporate Bank, the Investment Bank, the Private Bank and the Asset Manager DWS. There are also a number of highly skilled functions performing key management tasks. 'Together we're sharing new perspectives and transforming what it means to be a bank.' AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. We partner with Deutsche Bank to support their contingent recruitment processes. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals,...

NVQ Assessor Location: Chippenham (community-based delivery) Contract: Freelance Delivery: NVQ / RQF Levels 2–7 Are you an experienced NVQ Assessor looking to make a meaningful impact through education and training? This opportunity allows you to support learners into Domiciliary Care and Supported Living roles while contributing to the development of a purpose-led training provider. About the Organisation Our client is a newly established Health and Social Care training provider with a strong social mission. They support young people and adults into sustainable care careers through accredited qualifications, mandatory training, employability programmes, and supported work placements. About The Role We are recruiting two NVQ Assessors to deliver and assess NVQ / RQF qualifications from Levels 2 to 7, alongside mandatory and vocational training programmes. The roles are offered on a flexible, ad-hoc basis to support growing learner numbers. One role will also provide light support...

Senior Azure API Engineer Outside IR35 | £(Apply online only)/day | Remote/Hybrid UK The Role Lead the design and delivery of enterprise-grade API solutions on Azure. You'll architect scalable, secure API platforms that unlock business value from data and drive monetization opportunities. Working within our Enterprise Data Platform team, you'll build the critical integration layer connecting internal teams and external customers to consistent, reliable data services. What You'll Do * Design and operationalise a lean, zero-trust API platform on Azure API Management * Architect microservices and event-driven integration flows at scale * Define API specifications using OpenAPI and implement modern integration patterns * Drive CI/CD automation, monitoring, and operational excellence * Mentor developers and champion best practices across the engineering team * Partner with product, dev, and ops teams to deliver solutions that delight users What You Bring...

Role: Data Engineer Location: Edinburgh or Luton (hybrid/onsite as required) Engagement: Contract - Inside IR35 Security Clearance: Active SC Clearance required Rate: £500 - £600 per day - inside IR35 Project Description We are seeking an experienced Data Engineer to design, build, deploy, and maintain robust data platforms and pipelines within a secure environment. You will be responsible for the end-to-end data engineering lifecycle, transforming raw data into high-quality, consumable datasets that support analytics, reporting, and advanced modelling. You will own and optimise the data operations infrastructure, ensuring performance, reliability, scalability, and security as data volumes and processing demands grow. This role requires strong problem-solving skills, the ability to integrate data from multiple sources, and hands-on experience with modern data engineering tools and practices. Key Responsibilities Design, develop, deploy, and support scalable data...

World Class Defence Organisation is currently looking to recruit a Java Software Engineer subcontractor on an initial 12 month contract.    Job Title: Java Software Engineer Rate: £65.00 per hour Location: Bristol Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Java Software Engineer Job Description: The team, at the Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining their enviable reputation for safety, performance and dependability. This is a very hands-on role and requires the continued design and development of new and evolving software tools and architectures, and the instantiations for future products. Perfect...

Immediate Start Hybrid Working required - 2 days a week onsite Role Purpose The Technical Architect will provide end-to-end technical leadership across design, architecture, and delivery of modern cloud-based systems. The role focuses on AWS cloud architecture, Java-based services, API-led design, microservices patterns, and schema-driven approaches to ensure high-quality, scalable, resilient digital services. You will work closely with engineering teams, product owners, and delivery leads to define technical direction, set standards, and ensure solutions are secure, maintainable, and aligned to organisational goals. Key Responsibilities Technical Architecture & Solution Design Design end-to-end architectures for cloud-native services built on AWS. Define and document high-level and detailed designs, architectural patterns, and technical specifications. Architect Java-based services using frameworks such as Spring / Spring Boot. Create robust, well-governed API architectures...