Job Title: Java/Kafka Developer - London
About the Job you are considering:
We are looking for a Java Developer with Kafka expertise to build and support Spring Boot microservices and event-driven systems for scalable, high-volume trade processing.
Hybrid working:
The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.
Your Role:
* Design and develop Java-based microservices using Spring Boot with a strong focus on Kafka event streaming and messaging patterns
* Build and enhance event-driven workflows for trade processing, lifecycle management, and data propagation
* Deliver feature enhancements and production bug fixes independently in a fast-paced environment
* Collaborate with QA and engineering teams to prioritize high-impact fixes and releases
* Work with business stakeholders to translate requirements into scalable Kafka-based solutions
* Produce clear technical documentation, including architecture decisions, data flows, and release notes
* Participate in discussions on system design, Kafka topic strategy, and performance optimization
* Support production systems, including troubleshooting Kafka consumers/producers and resolving data pipeline issues
Your Skills:
* Strong Java development experience (Java 8+), with deep knowledge of Spring Boot
* Hands‑on experience with Apache Kafka (producers, consumers, topics, partitions, offsets, consumer groups)
* Understanding of event-driven architecture and asynchronous messaging patterns
* Experience with Spring Kafka / messaging frameworks
* Strong SQL skills with experience in relational databases
* Familiarity with data streaming, real-time processing, and distributed systems design
* Knowledge of containerization (Docker/Kubernetes) and cloud deployment fundamentals
* Comfortable working in Linux/Unix environments with shell scripting (Bash preferred)
* Experience with Git or version control systems
* Strong communication and documentation skills
We are a Disability Confident Employer:
Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government's Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:
* Declare they have a disability, and
* Meet the minimum essential criteria for the role.
Please opt in during the application process.
Make It Real (what does it mean for you):
* You'd be joining an accredited Great Place to work for Wellbeing in 2024. Employee wellbeing is vitally important to us as an organisation. We see a healthy and happy workforce a critical component for us to achieve our organisational ambitions.
To help support wellbeing we have trained 'Mental Health Champions' across each of our business areas, and we have invested in wellbeing apps such as Thrive and Peppy.
* You will be empowered to explore, innovate, and progress. You will benefit from Capgemini's 'learning for life' mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard ManageMentor, Cybersecurity qualifications and much more.
* You will be joining one of the World's Most Ethical Companies®, as recognised by Ethisphere® for 13 consecutive years. We live our values by making ethical business choices every day. Working ethically is at the centre of our culture at Capgemini, meaning you will be helping to create a future we can all be proud of.
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