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Java Engineer

Java Engineer

Hybrid

London, United kingdom

Freelance

13-01-2026

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Skills

Java SQL MySQL PostgreSQL GitHub CI/CD Version Control Jenkins Agile Methodology Problem-solving Architecture Database Management git AWS cloud platforms Agile Junit Spring Hibernate Spring Boot Maven Gradle CI/CD Pipelines Microservices GitHub Actions

Job Specifications

Java Engineer

£ Inside IR35 is Negotiable

Location- Hybrid Working In London

Short-term contract

Role Description

Develop and maintain scalable Java applications, ensuring high performance and reliability across enterprise systems.

Tech Stacks Used

Core Java (OOP principles, collections, multithreading)

Spring Framework (Spring Boot, Spring MVC)

Hibernate / JPA for ORM

RESTful APIs development and integration

Microservices architecture

SQL & Database Management (MySQL, PostgreSQL, Oracle)

Version Control (Git)

Build Tools (Maven, Gradle)

Unit Testing (JUnit, Mockito)

CI/CD pipelines (Jenkins, GitHub Actions)

Cloud Platforms (AWS)

Problem-solving & debugging skills

Agile methodology familiarity

About the Company

With over 25 years in the technology recruitment sector, Square One is an award-winning specialist recruitment agency. Based in London, we manage recruitment on an international scale with clients ranging from start-ups to global corporations. Our goal is to offer a comprehensive recruitment service for our clients, building long-term relationships with them to ensure candidates receive the best career opportunities possible. Our consultants continually upskill, ensuring that they're at the forefront of industry, market an... Know more