Full Stack JAVA Engineer

Cipher7 Business Consulting & Digital Solutions; Greater London; Hybrid; GBP 60,000 - 86,000; Full time

Job summary

Cipher7 Business Consulting & Digital Solutions in London is seeking a Mid-Level Java Developer to contribute to Java backend and full-stack development, with emphasis on Kafka-driven architectures and distributed systems.

You will work on modern distributed applications, building REST APIs and microservices while collaborating across backend and frontend teams to deliver robust solutions. Hybrid role with onsite requirement in London.

Qualifications

• Must-have skills: Apache Kafka, Full-Stack development, Spring Boot/Spring Framework, RESTful APIs, OOP principles, relational databases (PostgreSQL/MySQL/Oracle), Git, design principles, at least one strong project, Docker, CI/CD, Spring Data JPA/Hibernate, Kafka producers/consumers, event-driven architecture, distributed systems, multithreading, automated testing with JUnit/Mockito, cloud exposure (AWS/Azure/GCP), React/Angular.

Responsibilities

• Develop backend and full-stack features in a distributed environment.
• Build REST APIs and microservices with Kafka-based messaging.
• Collaborate across backend and frontend teams to deliver robust solutions.

Skills

Kafka

Full-Stack Development

Spring Boot

RESTful APIs

OOP

Relational Databases

Git

Software design principles

Strong technical project

Docker

CI/CD

Spring Data JPA / Hibernate

Kafka producers/consumers

Event-driven architecture

Distributed systems

Multithreading / concurrency

Automated testing

Cloud exposure

React or Angular

Job description

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: