Full Stack JAVA Engineer

Job Title: Mid-Level Java Developer – Java / Kafka / Full Stack

Location: London UK

Experience: Min 5+ Years of Professional experience across JAVA Full Stack Engineering space.

Work type: Hybrid, 3 days/Week, Onsite is mandatory.

Role Overview

We are looking for a Mid-Level Java Developer with strong hands-on experience across Java, Kafka and full-stack development .

The ideal candidate will have a solid foundation in Java backend development , experience building REST APIs and microservices , and practical exposure to Kafka/event-driven architecture . We are particularly interested in candidates who can demonstrate their technical capability through strong, substantial projects rather than relying solely on years of commercial experience.

This is an opportunity for a technically strong developer to work on modern distributed applications and contribute across both backend and full-stack development.

Must-Have Skills

• Apache Kafka – practical experience with event-driven / asynchronous systems
• Full-Stack Development – backend plus frontend development experience
• Spring Boot / Spring Framework
• RESTful APIs
• Strong understanding of object-oriented programming
• Experience with relational databases such as PostgreSQL, MySQL or Oracle
• Git and modern software development practices
• Good understanding of software design and development principles
• At least one strong technical project demonstrating real development capability
• Docker / containerisation
• CI/CD
• Spring Data JPA / Hibernate
• Kafka producers and consumers
• Event-driven architecture
• Distributed systems
• Multithreading / concurrency
• Automated testing – JUnit / Mockito
• Cloud exposure – AWS, Azure or GCP
• React, Angular or similar frontend framework

Strong candidates should ideally be able to demonstrate: