1 to 25 of 76 Contract Java Jobs in London

Job Title: Senior Java Developer Role Summary: We are looking for a highly skilled Senior Java Developer to design, develop, and maintain enterprise-grade applications. The role involves working closely with architects, business analysts, and cross-functional teams to deliver scalable, secure, and high-performing solutions. Key Responsibilities: Design, develop, and implement robust Java-based applications for enterprise use. Collaborate … compliance with security standards. Troubleshoot, debug, and resolve complex production issues. Contribute to continuous improvement in development processes and tools. Required Skills & Experience: 5–8+ years of experience in Java/J2EE application development. Strong knowledge of Core Java, Spring Framework (Spring Boot, Spring MVC, Spring Security), Hibernate/JPA. Hands-on experience with RESTful APIs, Microservices architecture, and messaging More ❯

utilisation. Mentor and Inspire: Lead, manage, and mentor your team, fostering a collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana Data Persistence: PostgreSQL, MongoDB, Redis Why More ❯

utilisation. Mentor and Inspire: Lead, manage, and mentor your team, fostering a collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana Data Persistence: PostgreSQL, MongoDB, Redis Why More ❯

Senior Java Developer Inside IR35 - 3 days onsite Our banking client is seeking an experienced Senior Java Developer to join their dynamic technology team. This role offers the opportunity to work on high-impact financial applications, driving innovation and excellence in software development within a fast-paced and regulated environment. As a Senior Java Developer, you will play a key … role in designing, developing, and maintaining enterprise-grade applications, while mentoring junior engineers and helping shape technical strategy. Key Responsibilities Design, develop, and maintain Java-based applications and services . Write clean, efficient, and well-documented code . Participate in code reviews and provide constructive feedback. Collaborate with cross-functional teams to define, design, and deliver new features . Troubleshoot … and debug complex issues. Required Qualifications Professional Java software development experience. Strong understanding of object-oriented programming and design patterns . Hands-on experience with Spring and Hibernate frameworks. Solid experience with relational databases (MSSQL, Oracle). Proven experience with RESTful API design and development . Strong background in unit, regression, and integration testing (JUnit). Experience with Maven/ More ❯

to recruit a Full Stack Developer - Fully remote The Full Stack Developer will have experience across: React Python Javascript Nice to have: CI/CD Pipelines Github Actions Vue Java Azure Azure Devops Role The Full Stack Developer will adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns. Advocate for continuous delivery practices More ❯

/banking systems AI/ML integration proficiency (NLP, recommendation systems) Compliance awareness Cloud deployment experience (Azure/AWS) - highly desirable Backend development using other languages such as Python, Java - highly desirable SQL/NoSQL database design & optimisation - desirable DevOps (CI/CD pipelines, Docker, Kubernetes) - desirable TO BE CONSIDERED... Please apply directly by emailing with your CV and availability. More ❯

scale applications with focus on performance, scalability, security, and reliability. Experience in a highly Agile continuous integration and continuous deployment environment, preferably within a financial domain. Strong experience in Java/J2EE, Spring Boot, Mule, web Services, Kafka, SQL & PL/SQL (Oracle) Strong knowledge of XML, JSON and its usage within API and Microservice implementations at scale. Experience in More ❯

and reliability. 7+ years’ experience overseeing enterprise-grade platform solutions Experience in a highly Agile continuous integration and continuous deployment environment, preferably within a financial domain. Strong experience in Java/J2EE, Spring Boot, Mule, web Services, Kafka, SQL & PL/SQL (Oracle) Strong knowledge of XML, JSON and its usage within API and Microservice implementations at scale. Significant expertise More ❯

and execution of unimpactful deployments. Maintain and support Live systems. Optimise delivery patterns. Maintain COTS (Commercial off the shelf) products integrated within Live systems. Required Skills & Experience: C#/java, .NET Core Containerisation (Docker, Kubernetes, OpenShift) xUnit Agile working practices CI/CD tooling Scripting experience (Python, Perl, Bash, etc.) ELK (Elastic stack) JavaScript Cypress Linux experience Search engine technology More ❯

DevOps Lead, with a background in Software Engineering/Development 5+ years working in financial services (Large retail banking) Technologies include: GitLab, TeamCity, Jenkins, Docker, Kubernetes, Ansible Rust, .NET, Java, Python, TypeScript, Gradle, Conda, and other build/deployment tools Expert level understanding of DevOps, CI/CD pipelines, and the ecosystem that surrounds them Please note, due to internal More ❯

including Azure Functions, App Services, AKS, and Logic Apps Hands-on experience with Azure Cosmos DB including query optimisation and throughput management Proficiency with Cosmos DB SDKs (e.g., .NET, Java, Python, Node.js) Experience with SQL API and familiarity with other APIs Strong understanding of partitioning, indexing, and consistency levels Experience with Git, version control, and continuous integration tools Desirable: Advanced More ❯

Track record delivering secure mobile applications (fintech preferred) Experience integrating AI/ML components into mobile apps Security/compliance awareness (GDPR, OAuth, encryption) Exposure to backend development (Python, Java, .NET) - desirable Familiarity with Azure/AWS cloud integration - desirable Understanding of SQL/NoSQL databases - desirable Experience with CI/CD, Docker, Kubernetes - desirable TO BE CONSIDERED Please apply More ❯

Track record delivering secure mobile applications (fintech preferred) Experience integrating AI/ML components into mobile apps Security/compliance awareness (GDPR, OAuth, encryption) Exposure to backend development (Python, Java, .NET) - desirable Familiarity with Azure/AWS cloud integration - desirable Understanding of SQL/NoSQL databases - desirable Experience with CI/CD, Docker, Kubernetes - desirable TO BE CONSIDERED... Please apply More ❯

other developers in an agile setup. Contributing to a platform that's critical to global trading operations. What we're looking for: Strong programming skills in an OOP language (Java, Python, etc.). Solid hands-on experience with React, JavaScript, HTML, and CSS. Good understanding of algorithms, data structures, and design patterns. Experience with agile methodologies (Scrum, Kanban, XP) and More ❯

lookout for a talented React Developer to help create and expand their FX Options and Risk frontend application suite. Essential Skills & Qualifications: Proficient in an OOP language such as Java or Python. Strong experience with web technologies, tools, and frameworks, including HTML, CSS, JavaScript, and React. Familiarity with Agile development methodologies (XP, SCRUM, Kanban) and continuous integration practises. Previous experience More ❯

lookout for a talented React Developer to help create and expand their FX Options and Risk frontend application suite. Essential Skills & Qualifications: Proficient in an OOP language such as Java or Python. Strong experience with web technologies, tools, and frameworks, including HTML, CSS, JavaScript, and React. Familiarity with Agile development methodologies (XP, SCRUM, Kanban) and continuous integration practises. Previous experience More ❯

in Azure. Profile The Azure DevOps Engineer will have proven experience as a DevOps Engineer with a focus on Azure cloud technologies. Strong background in software development (e.g., C#, Java, Python, or similar). Hands-on experience building and maintaining CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins, or similar). Strong understanding of monitoring, logging, and observability tools More ❯

Able to develop robust and advanced Salesforce Lightning Web Components (inc. familiarity with HTML, CSS, JavaScript) DevOps pipeline implementation and troubleshooting (inc. Python, Node.JS, Bash) AWS Services - including Lambda (Java), Secrets Manager, API Gateways Salesforce email configuration, including DNS/DKIM/SPF AI prompt building experience Salesforce Maps (or similar GIS Geographical Information System awareness) Disclaimer: This vacancy is More ❯

ceremonies and contribute to continuous improvement initiatives. Required Skills & Experience Proven commercial experience in Android development, ideally within enterprise or regulated environments. Strong proficiency in Kotlin and/or Java, with a solid understanding of the Android SDK. Experience integrating RESTful APIs and working with modern Android frameworks (e.g., Jetpack, Dagger/Hilt, Retrofit). Familiarity with secure coding practices More ❯

Qualifications Required: Minimum 7 years of hands-on Oracle CPQ experience. Must Have: Implementation Experience in CPQ Commerce and Configuration flows Technical Skills Must Have: Deep expertise in SQL, Java/C#, JavaScript, jQuery, XML/XSL, and BML. Development Methodologies Must Have: Experience with Agile/SCRUM is desirable. Global Collaboration Must Have: Ability to support multiple geographically dispersed More ❯

Senior Guidewire ClaimCenter Developer 6+ years’ experience with ClaimCenter, Guidewire Certified. Strong in Gosu, Java, SOAP/REST, Studio, Messaging, Data Model, Rules & Workflows. Lead development, integrations, mentoring, code reviews, and performance optimization. Agile/Scrum experience with solid problem-solving and communication skills. Guidewire ClaimCenter Business Specialist/Analyst 5+ years’ experience with ClaimCenter, Guidewire Certified (preferred). Skilled More ❯

Candidates must have several years of hands-on Oracle CPQ experience. Implementation Experience in CPQ Commerce and Configuration flows is essential. You must also have deep expertise in SQL, Java/C#, JavaScript, jQuery, XML/XSL, and BML. Experience with Agile/SCRUM is also required for this role. You must have the ability to support multiple geographically dispersed More ❯

Excellent communication and stakeholder management skills. Nice to have: Previous Insurance industry experience (Property or Mid-Market lines preferred). A background in development with strong knowledge of Python, Java, React and Azure. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you More ❯

skills to provide insights that inform strategic decisions. What We're Looking For: To thrive in this role, you should have: A solid background in programming languages such as Java, Python, or C#.Experience with data analysis and database management (SQL preferred).Strong problem-solving skills and the ability to think critically.Excellent communication skills to convey complex ideas clearly and effectively.A More ❯

skills to provide insights that inform strategic decisions. What We're Looking For: To thrive in this role, you should have: A solid background in programming languages such as Java, Python, or C#. Experience with data analysis and database management (SQL preferred). Strong problem-solving skills and the ability to think critically. Excellent communication skills to convey complex ideas More ❯