Java Full Stack Engineer (Consultant / Senior Consultant)

83zero Ltd; City Of London; Hybrid; GBP 45,000 - 71,000; Full time

Job summary

A global IT consultancy is seeking a Java Full Stack Engineer (Consultant/Senior Consultant) to join their team. This role involves delivering high-quality digital products using technologies like Java, Spring Boot, and React in a hybrid working environment. You'll be part of an agile team, responsible for building microservices and cloud-native solutions while gaining exposure to diverse client projects across the UK. Ideal candidates should have strong experience with Java and microservices, offering a competitive salary and flexible working arrangements.

Benefits

Access to extensive training and certifications

Monthly team drinks and breakfasts

Strong wellbeing support

Qualifications

• Strong experience building microservices with Java (Spring Boot).
• Experience developing front‑end applications with React & TypeScript/JavaScript.
• Knowledge of cloud platforms (AWS or Azure) is preferred.

Responsibilities

• Deliver high‑quality microservices using Java (Spring Boot).
• Build responsive front‑end applications using React.
• Design cloud‑native solutions with AWS or Azure.

Skills

Building microservices with Java (Spring Boot)

Developing front‑end applications with React & TypeScript/JavaScript

Proficiency with Git and online repo tools

Experience with CI/CD pipelines

Knowledge of cloud platforms such as AWS or Azure

Experience using Docker

Comfortable working in 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.

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 Design System and Nunjucks

What You'll Love

• 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.