Senior Software Engineer

Capgemini; Greater London; On-site; GBP 65,000 - 95,000; Full time

Benefits offered by this job

Disability Confident Employer

Wellbeing programs

Job summary

Capgemini is seeking a Java Kafka Engineer to design and deliver scalable, secure backend services for high-impact financial services applications. You will work with Product Owners, Architects, and Platform teams to implement resilient architectures, event-driven patterns, and robust RESTful APIs in a hybrid work model.

The role emphasizes collaboration, continuous improvement, and AI-enabled practices while navigating complex enterprise environments and regulated financial services contexts.

Qualifications

• Extensive hands-on experience delivering enterprise-scale backend applications.
• Strong Java/J2EE development, OO design, and enterprise app architecture.
• Proven experience designing RESTful services and microservices-based solutions.
• Experience with Java 17, Spring Boot, Kafka, PostgreSQL, REST APIs, and event-driven architectures.

Responsibilities

• Deliver scalable, secure backend solutions supporting critical business outcomes.
• Collaborate with cross-functional stakeholders to translate business needs into technical solutions.
• Contribute to full SDLC and high-quality engineering standards.
• Drive continuous improvement and operational excellence in production systems.
• Mentor teammates and support efficient releases with platform teams.

Skills

Java/J2EE

RESTful services

Microservices

Kafka

PostgreSQL

Spring Boot

AWS

GitLab CI/CD

Docker

Kubernetes

OpenShift

Terraform

Observability tools

Tools

GitLab

GitLab CI/CD

Helm

SonarQube

Nexus

Artifactory

Terraform

Docker

Kubernetes

OpenShift

Job description

Job Title: Java Kafka EngineerLocation: NorthamptonAbout the Job you are considering:Join the Financial Services Business Unit within Capgemini’s Cloud & Custom Applications (C&CA) practice, where we Consult with Purpose, Continuously Evolve, and Architect Tomorrow. As a Backend Engineer, you will help design and deliver resilient, scalable, and secure digital services that support corporate banking journeys and customer outcomes. Working alongside Product Owners, Architects, Engineers, and Platform teams, you will contribute to modern digital capabilities, drive continuous improvement, and support the delivery of future-ready solutions. This is an opportunity to shape high-quality engineering outcomes, embrace innovation and AI-enabled ways of working, and create lasting value in a complex, enterprise-scale environment.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.Key ResponsibilitiesDeliver scalable, secure, and maintainable backend solutions that support critical business and customer outcomes.Collaborate with cross-functional stakeholders to translate business needs into effective technical solutions and measurable value.Contribute to the full software development lifecycle, ensuring solutions are delivered to high quality and engineering standards.Promote a culture of continuous improvement by identifying opportunities to simplify processes, automate activities, and enhance delivery outcomes.Drive operational excellence through proactive service ownership, performance optimisation, and effective incident resolution.Support the design and evolution of modern, resilient architectures that enable long-term business growth and agility.Ensure solutions align with organisational security, governance, risk, and compliance requirements.Participate in peer reviews, knowledge sharing, and mentoring activities to strengthen engineering capability and foster a future-ready workforce.Work closely with delivery and platform teams to enable efficient releases and reliable production services.Champion innovation, including awareness and adoption of AI-assisted practices where appropriate to improve delivery effectiveness and customer value.Must-Have SkillsExtensive hands-on experience delivering enterprise-scale backend application solutions.Strong expertise in Java/J2EE development, object-oriented design principles, and enterprise application architecture.Proven experience designing and building RESTful services and microservices-based solutions.Strong experience with Java 17, Spring Boot, Kafka, PostgreSQL, REST APIs, and event-driven architectures.Good understanding of frontend integration patterns and experience collaborating across user interface and backend delivery teams.Strong knowledge of Agile delivery methodologies and the Software Development Lifecycle (SDLC).Experience applying engineering quality practices, automated testing approaches, and test-driven delivery principles.Strong troubleshooting, analytical, and problem-solving skills with the ability to navigate complex enterprise environments.Experience supporting business-critical applications in large-scale organisations.Ability to communicate effectively with technical and non-technical stakeholders and contribute to collaborative team success.Awareness of emerging technologies, including AI-enabled development capabilities, and a commitment to continuous learning and professional growth.Good-to-Have SkillsExperience with GitLab, GitLab CI/CD, Helm, SonarQube, Nexus, and Artifactory.Experience working with cloud-native platforms and services, including AWS.Knowledge of containerisation and orchestration technologies, including Docker, Kubernetes, and OpenShift.Experience implementing Infrastructure as Code using Terraform or similar solutions.Experience with observability and monitoring platforms such as Splunk, Dynatrace, Grafana, and Prometheus.Understanding of DevSecOps principles, secure software development practices, and security-focused engineering approaches.Experience working within regulated Financial Services environments.Understanding of Site Reliability Engineering (SRE) concepts, operational resilience, and service reliability practices.Relevant cloud, DevOps, or engineering certifications.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, andMeet 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 Manage Mentor, 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.Why you should consider Capgemini:Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.About Capgemini:Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.Make it real | www.capgemini.com