76 to 100 of 139 Contract Java Jobs

ensuring solutions are secure, resilient, observable, and straightforward to operate in production. Responsibilities Lead full stack delivery across React (TypeScript) front-end applications and Java/Python back-end services, including microservices and APIs. Own cloud-native solution design for AKS-based platforms, defining service boundaries, resilience patterns, scaling approaches … deployment strategies, and operational readiness. Design, build, and operate back-end services using Java (Spring Boot) and/or Python (FastAPI/Flask), covering API design with OpenAPI, performance optimisation, and security controls. Develop modern user interfaces with React, focusing on accessible design, reusable components, and efficient state management. Design ...

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 … role you will design, develop and support scalable backend services using Java, working within a microservices and event-driven architecture. Key responsibilities Develop backend services using Java. Build and support event-driven solutions using Apache Kafka. Deliver scalable microservices-based applications. Participate in design, development, testing and deployment activities. Collaborate ...

seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform. The position offers a dynamic working environment embedded closely with global trading ...

538.20 p/d Umbrella inside IR35 Role purpose/summary Own and evolve our Jenkins Shared Library powering multi-language builds (Java/Maven, Node/NPM, Python, Helm, Terraform, containers) click apply for full job details ...

Position Title: Java Full Stack Developer Contract Type: Contract (6-month initial duration, with potential for extension) Location: Manchester, UK Work Arrangement: Hybrid (2 days/week in-office) Hours: 40 hours per week Role Overview As a Full-Stack Engineer, you will drive the design, performance, and scalability … online travel platform, delivering key features that integrate into current infrastructure. Technical responsibilities span across micro-frontends, Backend-for-Frontend (BFF) layers, and core Java backend services; proficiency across all areas is expected, with skill distribution balanced across the team. Key Responsibilities Feature Engineering: Design and enhance user-facing features ...

insights Skills & Experience We're looking for experience with some or all of the following: DataStage Amazon Redshift Amazon QuickSight AWS Amazon S3 SQL Java Relational Databases GitHub or GitLab You don't need to tick every box. We're keen to speak with candidates who have a solid foundation ...

supporting high-performance applications while collaborating with cross-functional teams in an Agile environment. Key Responsibilities Design, develop, and maintain scalable backend services using Java and/or C# . Build modern, responsive user interfaces using ReactJS . Develop and support RESTful APIs and microservices . Design, optimize, and maintain … performance. Collaborate with Product Owners, Architects, QA Engineers, and fellow developers to deliver high-quality software. Required Skills & Experience Strong commercial experience with Java and/or C# (experience in both is highly desirable). Strong frontend development experience with ReactJS . Proven experience building and supporting REST APIs ...

Working with a global organisation that is looking for a Java Software Developer to help deliver a high-profile project. The team are predominantly Telford based, and they will be looking to have team days each week in the office whenever appropriate to meet the clients' working standards. This … Initially 3 months Rate - £447 per day Inside IR35 via Umbrella Skills and Experience Required Clearance Required: BPSS - SC preferred and eligible for SC Java Spring Springboot Git Swagger Shell SQL MongoDB Code writing Software testing Application monitoring Understanding and experience of Kubernetes is desirable but not essential. Core Competencies ...

Role Title: Cloud Security Engineer Duration: contract to run until 30/11/2026 Location: Knutsford. Hybrid, 3 days per week onsite Rate: up to £630.20 p/d Umbrella inside IR35 Role purpose ...

experiences while maintaining the highest standards of security, resilience, and operational excellence. Job Responsibilities/Objectives Designing and building high-scale backend services using Java Developing secure and resilient identity and access management solutions Working on systems supporting high-volume transactional workloads in a regulated environment Applying Test Driven Development … throughout the software development lifecycle Required Skills/Experience Strongexperience in backend software engineering Strong Java development experience Experience designing and building high-scale, highly available backend services Experience working within financial services, banking, lending, payments, or other regulated environments Experience with Identity and Access Management (IAM) platforms Knowledge ...

Senior Java Engineer 6 Months rolling £575 - £595 per day inside ir35 Hybrid/Telford- 2 Days Onsite Candidates are required to go through BPSS clearance for this role We're looking for a Senior Java Engineer who can bring strong backend engineering experience alongside an interest in AI-assisted … deliver new capabilities for the Auxiliary Self-Assessment Solutions (ASAS) programme - including the Historical Records Store (HRS). What you'll be working with: Java & Spring RabbitMQ & JSON MongoDB & Oracle Python/scripting AI technologies & AI-assisted development System prompt engineering Git/GitLab Agile/Scrum delivery Working across ...

will bridge the gap between traditional telecommunication protocols and modern cloud-based AI. Your core focus will be developing stable SIP services using Java, managing open-source media engines, and integrating advanced Speech AI technologies across multi-cloud environments. Key Responsibilities SIP Development: Develop, test, and maintain mid-to-high … Team Collaboration: Work alongside senior architects and DevOps teams to roll out scalable conversational AI bots. Required Skills & Qualifications Core Language: Professional experience with Java, including multi-threading and network programming. In depth knowledge of Java Good knowledge of Java applications using JAIN SLEE framework, SIP Servlet Frameworks Telephony Engines ...

complex delivery environments. Technical Environment Experience with the following would be highly beneficial: SAP CRM SAP UI5/Fiori/Gateway SAP NetWeaver ABAP & Java SAP Enterprise Portal SAP ECC SAP Mass Processing SAP Process Integration (PI) SAP Industry Solutions - Contract Accounting/Utilities The Opportunity This is a great ...

part of an agile team to enhance, build, and deliver products in a secure, stable, and scalable way. You will have previous experience in Java, Spring Boot, microservices architecture utilising DevOps practices. We operate a highly agile development approach, giving wide scope to be involved with hands-on system-design … driven development, deployment, and operations. Type: 3 Month Contract Day Rate: Market Rates (Outside IR35) Location: Hybrid/Manchester Start: ASAP Skills Proficient with Java, Spring Boot, Microservices Architecture, whilst automating CI/CD pipelines for build, test and deployment. Cloud experience, implementing docker-based CI/CD pipelines, utilising ...

Software Developer (JAVA) Software Engineer - Java/Cloud/Microservices The Software Engineer will join a 7-member Agile Scrum team delivering innovative software for satellite and geospatial applications. The role covers the full software development lifecycle, including design, development, testing and deployment click apply for full job details ...

focused engineer who is passionate about automation, continuous improvement, and embedding quality throughout the software development lifecycle. Technology Stack Frontend Remix React JavaScript Backend Java Spring Framework .NET Data MongoDB Oracle Tools & Integration RabbitMQ JSON Key Responsibilities Design, build and implement automated testing solutions from the ground up. Develop … defect analysis, root cause investigation and quality improvement initiatives. Essential Technical Capabilities Candidates must be able to demonstrate: Ability to read, understand and interpret Java unit tests (e.g. JUnit) written by developers to support test analysis and defect investigation. Experience designing and developing automated end-to-end and system tests ...

Hiring: Lead Data Engineer (Java) Locations: Newcastle, Glasgow, Manchester, or London Clearance: Active SC Clearance is highly preferred (SC eligible candidates will be considered) Contract Duration: 13+ months Are you an expert Data Engineer with strong Java programming skills? Join our AI & Data team to design, build, and optimize innovative ...

developer shall contribute to all stages of the software development lifecycle and thus have solid experience in design (particularly using UML), development (particularly using Java technologies) and test. The developer should have experience of working with microservices. Automated testing is a critical part of the project so any experience … . Working with the team to design, implement and test features for a new product development. Task estimation in accordance with sprint planning. Requirements : Java Core (version 8+) Spring Boot, Spring Framework - Good knowledge of Developing in Spring with Hibernate Good Knowledge of developing REST within HTTPS Experience of developing ...

fullstack applications that automate and streamline processes, improving efficiency and reducing risk. Develop and Manage backend systems primarily using Python, with additional capabilities in Java and other languages. Develop and manage frontend applications primarily using React and Next.js, with additional capabilities in JavaScript and other frameworks. Design and implement core … coding practice while ensuring timely delivery of end solutions. Technical Expertise Proficiency in Python is required, with familiarity in other programming languages such as Java, C++, Go, Rust, and others being advantageous. Strong understanding of software architecture patterns, including microservices and event driven architecture. Familiarity with containerisation using Docker ...

Engineers are required to join a Core Modernisation team, working within agile Scrum squads alongside Java Engineers, Front End Developers, and Quality Engineers. The role will focus on the modernisation and enhancement of legacy services, contributing to the delivery of scalable and reliable applications. Required Skills Java Spring Boot JUnit ...

Java Developer Telford/Hybrid - 3 days per week onsite £425 per day inside ir35 3 month contract BPSS & SC eligible We're looking for an experienced Java Developer/Microservices Engineer to join a growing digital development team working on an exciting and expanding public-sector digital service click ...

knowledge sharing, technical guidance, and constructive feedback. Participate in the continuous improvement of engineering processes, tooling, and delivery practices. Essential: Strong backend engineering experience. Java is preferred, but we welcome engineers with strong experience in comparable object-oriented languages. Experience delivering solutions that span backend and frontend technologies, with ...

Role: Senior Java Developer Location: Manchester/Leeds/Birmingham, 60% Hybrid Role Type: 12 months Salary: Depending on experience Role Overview: We are looking for highly experienced Senior Java Developers/Senior Software Engineers who can hit the ground running and take a strong technical leadership role within ...

will bridge the gap between traditional telecommunication protocols and modern cloud-based AI. Your core focus will be developing stable SIP services using Java, managing open-source media engines, and integrating advanced Speech AI technologies across multi-cloud environments. Key Responsibilities SIP Development: Develop, test, and maintain mid-to-high … Team Collaboration: Work alongside senior architects and DevOps teams to roll out scalable conversational AI bots. Required Skills & Qualifications Core Language: Professional experience with Java, including multi-threading and network programming. In depth knowledge of Java Good knowledge of java applications using JAIN SLEE framework, SIP Servlet Frameworks Telephony Engines ...

will bridge the gap between traditional telecommunication protocols and modern cloud-based AI. Your core focus will be developing stable SIP services using Java, managing open-source media engines, and integrating advanced Speech AI technologies across multi-cloud environments. Key Responsibilities SIP Development: Develop, test, and maintain mid-to-high … latency problems. Team Collaboration: Work alongside senior architects and DevOps teams to roll out scalable conversational AI bots. Requirements: Core Language: Professional experience with Java, including multi-threading and network programming. In depth knowledge of Java Good knowledge of java applications using JAIN SLEE framework, SIP Servlet Frameworks Telephony Engines ...