Java Developer & Golang

Qualient Technology Solutions UK Limited; Burgess Hill; On-site; GBP 50,000 - 70,000; Full time

Job summary

A technology company in the United Kingdom is seeking a skilled Java Developer with strong Golang experience to design and develop high-quality backend applications. The ideal candidate will collaborate with cross-functional teams, build scalable and reliable systems, and optimize application performance. The candidate must have experience in Java and Golang, as well as knowledge of RESTful APIs and microservices architecture. This is an excellent opportunity for those aiming to work in a fast-paced technical environment.

Qualifications

• Strong experience in Java (Java 8+).
• Hands-on experience with Golang in production environments.
• Solid understanding of JVM internals and object-oriented design principles.
• Experience with frameworks such as Spring / Spring Boot.
• Familiarity with REST APIs and microservices architecture.
• Experience with relational and/or NoSQL databases.
• Knowledge of version control systems (Git).
• Understanding of unit testing and integration testing frameworks.

Responsibilities

• Design, develop, and maintain backend services using Java and Golang.
• Write clean, efficient, and well-documented code.
• Build and consume RESTful APIs and microservices.
• Collaborate with product managers and frontend developers.
• Participate in code reviews and contribute to technical design discussions.
• Optimize application performance, scalability, and reliability.
• Troubleshoot, debug, and resolve production issues.
• Contribute to CI/CD pipelines and automated testing efforts.

Skills

Java

Golang

RESTful APIs

Microservices

Object-oriented design principles

CI/CD pipelines

Debugging

Version control (Git)

Tools

PostgreSQL

MySQL

MongoDB

Spring Boot

Job description

Overview

We are looking for a skilled Java Developer with strong Golang experience to design, develop, and maintain high-quality backend applications. You will work closely with cross-functional teams to build scalable, reliable, and performant systems.

Responsibilities

• Design, develop, and maintain backend services using Java and Golang


• Write clean, efficient, and well-documented code following best practices


• Build and consume RESTful APIs and microservices


• Collaborate with product managers, architects, and frontend developers


• Participate in code reviews and contribute to technical design discussions


• Optimize application performance, scalability, and reliability


• Troubleshoot, debug, and resolve production issues


• Contribute to CI/CD pipelines and automated testing efforts

Required Qualifications

• Strong experience in Java (Java 8+)


• Hands-on experience with Golang in production environments


• Solid understanding of JVM internals and object-oriented design principles


• Experience with frameworks such as Spring / Spring Boot


• Familiarity with REST APIs, microservices architecture, and distributed systems


• Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB)


• Knowledge of version control systems (Git)


• Understanding of unit testing and integration testing frameworks