About the Role
We are looking for a Senior Full Stack Java Developer to join a long-term project supporting an established UK organization.
You’ll design, enhance, and maintain web applications and ERP-related solutions that support critical business operations. This is a hands-on role covering backend services, frontend development, relational databases, and enterprise integrations.
The ideal candidate has strong commercial Java experience combined with hands-on expertise in Apache OFBiz, including Groovy and FreeMarker.
What You’ll Do
Solution Design & Development
Design, develop, and maintain scalable full-stack business applications
Translate business requirements into technical solutions
Contribute to architecture, coding standards, security, and performance improvements
Participate in code reviews and technical discussions
Backend Development
Develop backend services and business logic using Java
Build and maintain Apache OFBiz entities, services, events, screens, and components
Develop business rules, automation, and integrations using Groovy
Troubleshoot production issues and implement long-term solutions
Frontend & Data
Develop user interfaces using FreeMarker, HTML, CSS, and JavaScript
Build responsive and accessible web interfaces
Design and optimize SQL queries and support database improvements
Develop ERP workflows, integrations, and scheduled jobs
Quality & Delivery
Write unit and integration tests
Support production releases and post-release activities
Maintain technical documentation
Ensure maintainable, secure, and high-quality code
Must-Have Requirements
Strong commercial experience as a Full Stack Java Developer
Excellent Java development skills
Hands-on experience with Apache OFBiz
Practical experience with Groovy
Practical experience with FreeMarker
Experience delivering or integrating ERP systems
Strong knowledge of HTML, CSS, and JavaScript
Strong SQL skills, including query optimization and relational database design
Experience with web application architecture and REST APIs
Strong debugging and root-cause analysis skills
Ability to translate business requirements into technical solutions
Excellent communication skills in English (B2+)
Nice to Have
Experience with CI/CD pipelines
Experience with Git
Docker, Linux, or cloud deployment experience
Performance tuning of Apache OFBiz or relational databases
Relevant certifications or degree
What We’re Looking For
Strong ownership mindset
Excellent analytical and problem-solving skills
Ability to work independently and collaboratively
Passion for clean, maintainable code
Comfortable working across backend, frontend, database, and integration layers
Why Join
Work on large-scale enterprise ERP solutions
Long-term project with an established UK client
Opportunity to work across the full application stack
Collaborative international team and modern development practices
