Lead Java Developer/Solution Architect (6-month contract)

gravity9 · IT

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ContractPosted Aug 25, 2026

Source: Arbeitnow

AT A GLANCE
Eligibility
Not available
Category
IT
Salary
Not disclosed
Employment
Contract
Experience
Senior
Posted
Aug 25, 2026

This role’s source listing does not include Hungary as an eligible location.

gravity9 is seeking experienced Lead Java Developers and Solution Architects for 6-month contracts working on large-scale UK central government modernisation projects. The role is fully remote and focuses heavily on MongoDB-centric data architecture and secure microservices development.

In this role, you will work across various high-impact engagements including monolith decomposition, real-time data architecture, and large-scale legacy migration. You will be expected to own high-level design decisions while remaining hands-on with production code, specifically focusing on data pipelines, security, and API development within the Java ecosystem.

Why You’ll Love This Role

6-Month contract duration
UK-based government modernisation focus
Senior Java and Solution Architect profiles
MongoDB deep expertise required
100% Remote working model

What You’ll Bring

Deep professional experience with Java and Spring Boot
Extensive experience in designing and implementing MongoDB document models
Hands-on experience with data pipeline development including CDC and streaming
Solid background in secure software architecture and access control design
Ability to produce high and low-level designs and architecture decision records

What You’ll Get

Benefits not specified in the listing

About the Company

gravity9 is a technology consultancy specializing in complex modernisation programmes, particularly for UK central government entities. They focus on data-intensive systems, replacing legacy monoliths with secure, modern, microservice-based architectures.

Listing checked for remote eligibility · Posted Aug 25, 2026 · ArbeitnowApply →
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