java developer for high-volume clearing systems

Capgemini is an AI-powered global business and technology transformation partner delivering business value through AI, technology, people, and end-to-end services across strategy, technology, design, engineering, and business operations.

• Design, develop, and maintain Java-based microservices to support the replacement of the legacy clearing platform;
• Build and enhance interfaces and APIs for secure, reliable, and high-volume integration between clearing, settlement, and downstream systems;
• Develop event-driven solutions using Apache Kafka, including producers, consumers, and streaming integrations for near real-time processing;
• Deploy, manage, and troubleshoot containerised applications on the OpenShift Container Platform;
• Collaborate with Solution Architects and Technical Leads to implement target-state architectures aligned with enterprise standards and cloud-native design principles;
• Participate in the full software development lifecycle, including requirements analysis, solution design, development, testing, deployment, and production support;
• Create and maintain RESTful APIs and service contracts;
• Write clean, maintainable, and testable code;
• Develop automated unit, integration, and end-to-end tests;
• Support CI/CD pipelines by integrating build, test, deployment, and quality assurance processes;
• Monitor application performance, investigate production issues, and implement improvements to optimise resilience, throughput, and latency;
• Work with Business Analysts, Product Owners, QA Engineers, and infrastructure teams to translate business requirements into technical solutions;
• Conduct peer code reviews, provide technical guidance to junior developers, and promote software engineering best practices;
• Produce and maintain technical documentation covering solution designs, APIs, integration patterns, operational procedures, and deployment processes;
• Contribute to platform modernisation initiatives by identifying opportunities to improve architecture, automation, observability, security, and operational efficiency across the clearing technology landscape.

• 8 Years of experience in Java development;
• Experience designing and developing robust, scalable interfaces and integration services;
• Experience building high-performance Java-based microservices;
• Experience with secure, resilient, and efficient data exchange across critical systems;
• Experience with Apache Kafka, including producers, consumers, and streaming integrations;
• Experience with OpenShift Container Platform;
• Experience with RESTful APIs and service contracts;
• Knowledge of coding standards, design patterns, and secure development practices;
• Experience developing automated unit, integration, and end-to-end tests;
• Experience supporting CI/CD pipelines;
• Experience with application performance optimisation and production issue investigation;
• Experience with solution architecture, cloud-native design principles, and enterprise standards;
• Experience providing technical guidance to junior developers.

• Hybrid work is split between Company offices, client sites, and home; working from home 100% of the time is not available;
• Employee wellbeing support includes Mental Health Champions and access to Thrive and Peppy wellbeing apps;
• Training and development opportunities include thinktanks, hackathons, 250,000 courses, and external certifications;
• The employer offers an inclusive recruitment process under the UK Government’s Disability Confident scheme.