Java Software Engineer

Job Type: Permanent (Hybrid – 2 Days Office and 3 Days work from Home)

Location: London, United Kingdom

Number of hours: 40 hours per week – full time

Ready to utilize your experience and expertise in Java Engineer?

We have an exciting role for you - Java Engineer!

Careers at TCS: It means more

TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

• Be part of an exciting team where you will be challenged every day.
• Work closely with the range of teams within the business to bring products to life.
• Work with customers and identify opportunities to support their strategy and improve their processes across functions.

The Role

This role will have a significant impact on delivering innovative solutions for one of the leading retailers in the UK, driving digital transformation and enhancing customer experiences. You’ll work on projects that leverage cutting-edge technologies such as microservices, event-driven architectures, and cloud platforms, contributing to scalable, secure, and high-performing systems.

Your responsibilities

• Develop and maintain backend services using Java, Spring Boot, and Spring Security.
• Design and implement microservices and event-driven architectures leveraging Confluent Kafka.
• Build and manage CI/CD pipelines using GitHub Actions, Jenkins, and shell scripting.
• Write and execute unit, integration, and performance tests using Mockito, Gatling, and JMeter.
• Monitor, troubleshoot, and optimize systems using New Relic and Grafana.

Your Profile

Essential skills/knowledge/experience:

• Develop and maintain backend services using Java 25, Spring Boot, and Spring Security.
• Design, build, and support microservices and REST APIs for scalable distributed systems.
• Implement and manage event-driven architectures using Apache Kafka.
• Work with data platforms such as MongoDB, Mongo Atlas, Redis, and related persistence technologies.
• Build, containerize, and deploy applications using Docker, Kubernetes, and AWS, including EKS.
• Define and manage cloud infrastructure using Terraform and Infrastructure as Code (IaC) practices.
• Build and maintain CI/CD pipelines using GitHub, GitHub Actions, Jenkins, and shell scripting.
• Write and execute unit, integration, and performance tests using appropriate testing frameworks and tools.
• Monitor, troubleshoot, and optimize applications and infrastructure using New Relic, Grafana, Prometheus, and Bosun.
• Hands‑on experience with microservices architecture and Kafka.
• Excellent communication skills and ability to thrive in a fast-paced environment.
• Collaborate with cross-functional teams to deliver reliable, secure, and scalable backend solutions.
• Exposure to AWS cloud services or AI technologies.
• Familiarity with performance testing tools such as Gatling and JMeter.
• Knowledge of system monitoring tools like New Relic and Grafana.
• Experience in shell scripting for automation.
• Understanding of secure coding practices and Spring Security.
• Exposure to AI development tools and workflows.