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ManpowerGroup

Lead Java Developer

Remote

England, United kingdom

Senior

Freelance

23-09-2025

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Skills

Communication Java JavaScript SQL DevOps Docker Programming Databases AWS ReactJs Junit Spring Spring Boot Kafka Microservices

Job Specifications

Job title: Java Developers

Location: Fully Remote

What you'll be doing

You will be working on a highly visible, secure government project with a very tight and immovable deadline. You've will need to have already mastered Java, Spring Boot, and AWS. You need to be comfortable working in a large team on a microservices codebase, built scalable APIs, optimized SQL queries, and containerized everything from dev to prod. You need excellent communications skills and be comfortable working with senior client stakeholders to understand and solve the problems that come up during the project, including formulating and testing hypotheses, developing real working proof of concepts, and iterating the solutions until the problem is solved. You need to be outcomes driven and be able to proactively identify and solve these problems to achieve that outcome.

Responsibilities

Your responsibilities include:

Design, develop, and deploy robust backend services using Java and Spring Boot
Build scalable APIs
Analyse schemas and write optimised SQL queries against large data sets
Collaborate with DevOps on containerization and cloud deployment (Docker, AWS)
Contribute to architectural decisions and technical roadmaps
Write clean, maintainable, and well-tested code
Perform code reviews and mentor junior engineers

Essential skills

We're looking for the following key skills from applicants:

Java (8/11/17+) - Expert-level programming and deep understanding of the language and its core libraries
Spring Boot - Expert in building RESTful APIs and microservices using Spring Boot
AWS - Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.)
Kafka / Messaging Systems - Expertise in building event-driven architectures
SQL - Strong experience with relational databases and SQL query optimization
REST / JSON APIs - Designing, developing, and consuming scalable APIs
Docker - Proficiency in containerizing applications for local and cloud environments
Excellent communication skills to communicate complex ideas effectively

Nice-to-Have Skills

JavaScript & ReactJS - Experience in building or integrating with front-end applications
Amazon Aurora / RDS - Familiarity with managed database solutions on AWS
JUnit & Testing - Unit and integration testing best practices

About the Company

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis and Talent Solutio... Know more