12 of 12 Contract Java Jobs in Central London

Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda … code reviews, and take full ownership of feature development from design to production. Essential skills/knowledge/experience: Minimum 10 years of experience Java application development Strong hands-on expertise in Java 11+ (preferably Java 17 or latest) Proficiency in Spring Boot, Microservices architecture, and Core Spring Experience with ...

landscape: CVEs, CWEs, common software vulnerability types SAST, SCA, and DAST, including the strengths and weaknesses of each At least one programming language (e.g. Java, Go) At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. ...

clearance required Key skills : Write test scripts Proven experience as a Test Engineer, QA Engineer, or similar role Strong scripting or programming skills (e.g. Java, Python, JavaScript, C#, or similar) Hands-on experience with test automation tools/frameworks (e.g. Selenium, Cypress, Playwright, REST Assured, pytest, etc.) Experience testing APIs ...

message-driven architectures, including Kafka, JMS, or MQ-based Middleware. Proficiency with SQL for trade/order data analysis and reconciliation. Exposure to Java/Python for Scripting, debugging, or developing integration utilities. Familiarity with AWS or hybrid cloud environments, including basic knowledge of ECS/EKS or containerized deployment ...

development experience. AI/ML Focus : Experience with Large Language Models ( LLMs ), agentic development, Vertex AI , and vector databases (semantic search). Additional Skills : Java, Kotlin, and Go are 'nice-to-have' but not mandatory. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

mandates, ECB/TARGET services updates, ISO 20022 migration, and AML/CTF regulations. Proficiency in API Design, microservices, and integration platforms. Modernprogramming languages (Java, .NET, Python, JavaScript frameworks) What you'll get in return An exciting opportunity to join an international organisation working with a major financial services organisation. ...

Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure ...

About the Role You will act as the security lead embedded within an application development delivery team, working across a complex hybrid environment including Java/React, J2EE microservices, RPG/JSP on z/OS, and API-driven architectures. Your mission: enable fast, secure delivery by uplifting application security ...

Lead/Senior Java/Python Engineers Big 4 Consultancy 12 month contract On site in London Location : London (5 days in office) Duration 12 months Key Skills Proficient in Java/Python concepts and proficient advanced experience. Hands-on practical experience delivering system design, application development, testing, and operational ...

Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure … PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real ...

Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns click apply for full job details ...

develop, and maintain solutions within FIS ACBS Customize and enhance ACBS Loan IQ/ACBS core modules (depending on platform scope) Develop and support Java/J2EE-based ACBS components Build and maintain interfaces between ACBS and upstream/downstream systems Perform batch processing, reporting, and data extraction activities Troubleshoot … Agile ceremonies and continuous improvement initiatives Produce technical documentation and support knowledge transfer Technical Skills Strong hands-on experience with FIS ACBS Proficiency in Java, J2EE, Spring, and related frameworks Experience with SQL, Oracle, or DB2 databases Knowledge of ACBS APIs, batch jobs, and reporting tools Experience with Unix/ ...