Java Full Stack Engineer (Consultant / Senior Consultant)

83zero Limited; Greater London; Hybrid; GBP 45,000 - 71,000; Full time

Job summary

A global IT consultancy is seeking a Java Full Stack Engineer to work on diverse projects in a hybrid environment. This role involves designing and delivering high-quality digital products using technologies like Java (Spring Boot), React, and cloud platforms such as AWS or Azure. Ideal candidates will have strong experience in microservices and agile delivery. The position offers exposure to high-profile transformation programmes and emphasizes continuous learning and innovation, looking for an ambitious engineer ready to make a meaningful impact.

Benefits

Access to extensive training and certifications

Regular knowledge-sharing sessions

Strong wellbeing support

Qualifications

• Strong experience building microservices with Java (Spring Boot).
• Experience developing front-end applications with React & TypeScript/JavaScript.
• Proficiency with Git and online repo tools.

Responsibilities

• Deliver high-quality microservices using Java (Spring Boot).
• Build responsive front-end applications using React, HTML and CSS.
• Design and build cloud-native solutions using AWS or Azure.

Skills

Microservices in Java (Spring Boot)

Front-end development in React and TypeScript/JavaScript

Proficiency with Git and CI/CD

Knowledge of AWS or Azure

Experience with Docker

Agile delivery environments

Tools

GitHub

GitLab

Jenkins

Docker

Terraform

Job description

You’ll work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms.

Java Full Stack Engineer - Consultant / Senior Consultant

Salary: £45,000-£70,748
Base locations: London, Manchester or Glasgow (Hybrid working)
Organisation: Global IT Consultancy

Are you a passionate Java Full Stack Engineer looking to build modern, impactful digital solutions across a range of transformation programmes? This is an opportunity to join a dynamic, fast-growing engineering community where you’ll work with cutting‑edge technologies and deliver meaningful outcomes for clients across the UK.

About the Role

As a Java Full Stack Engineer, you’ll be responsible for designing, building and delivering high‑quality digital products that solve complex business challenges. You’ll work closely with cross‑functional teams, applying engineering best practice, innovation and a consultative mindset to shape solutions from end to end.

You’ll work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms.

This role is ideal for engineers who enjoy variety, value continuous learning and want to push forward modern engineering standards within diverse client environments.

What You’ll Do

• Deliver high‑quality microservices using Java (Spring Boot)
• Build responsive front‑end applications using React, TypeScript/JavaScript, HTML and CSS
• Design and build cloud‑native solutions using AWS or Azure
• Use Git‑based version control and CI/CD tooling (GitHub, GitLab, Jenkins)
• Implement containerisation using Docker & Docker Compose
• Contribute to agile teams, collaborating closely with product owners, designers and fellow engineers
• Apply engineering best practices, clean code principles and secure delivery standards

What We’re Looking For

Required

• Strong experience building microservices with Java (Spring Boot)
• Experience developing front‑end applications with React & TypeScript/JavaScript
• Proficiency with Git and online repo tools (GitHub, GitLab etc.)
• Experience with CI/CD pipelines
• Knowledge of cloud platforms such as AWS or Azure
• Experience using Docker
• Comfortable working in agile delivery environments

Desirable

• Terraform or other Infrastructure as Code tools
• Experience with NoSQL databases (e.g., MongoDB) or SQL (e.g., Postgres)
• Understanding of web standards, accessibility and development best practice
• Experience with Apache NiFi

Bonus Skills

• Microservices in C#
• Integrating LLMs (e.g., LangChain, Vercel AI)
• Experience using the GOV.UK Design System and Nunjucks

What You’ll Love

You’ll be part of a culture that prioritises learning, collaboration and innovation. Expect:

• Exposure to high‑profile transformation programmes
• Access to extensive training and certifications across cloud, security, DevOps, agile and engineering disciplines
• Regular knowledge‑sharing sessions and digital showcases
• Opportunities to attend a dedicated training campus near Paris
• Monthly team drinks, breakfasts and away days for connection and development
• Hybrid working and flexibility to support work‑life balance
• Strong wellbeing support, including mental health champions and wellbeing apps

Additional Information

• You must be fully flexible for UK‑wide client assignment travel as required
• Right to live and work in the UK is essential
• Hybrid working applies; office base will be London, Manchester or Glasgow

Ready to take the next step?

If you’re an ambitious full stack engineer looking to work with leading technologies, grow your expertise and deliver meaningful impact, we’d love to hear from you.

Apply today and help shape the next generation of digital excellence.