Advanced Resource Managers
Java Application Architect
Get notified of more jobs like this · No spam, ever
How your CV stacks up
Upload your CV to see how well it fits this job role
?%
Java Application Architect
3-5 Month contract – Inside IR35 – up to £620 per day
London based – hybrid working – 1 day a week onsite
Insurance sector
Role Overview
We are seeking a hands-on Java Application Architect to lead the assessment, modernisation, and migration of enterprise Java applications. This role requires a strong technical leader who can define and execute modernisation strategies, address platform compatibility challenges, and leverage AI-assisted engineering practices to accelerate application assessment, code remediation, testing, and delivery.
The role involves providing technical leadership, guiding development teams, managing technical risks, and supporting project planning and implementation from both architectural and engineering perspectives.
Key Responsibilities
- Lead architecture assessment, modernisation planning, and migration of enterprise Java applications.
- Define and drive the technical architecture and implementation approach for complex Java-based enterprise applications.
- Assess application dependencies, frameworks, integrations, infrastructure components, and security controls to identify migration impacts and remediation requirements.
- Design scalable, resilient, secure, and high-performing systems using Java and modern architectural patterns.
Reasons to use Rodeo
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
It searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Required Experience & Skills
- Strong experience in Java/J2EE enterprise application architecture and software development.
- Proven experience migrating or modernising enterprise applications hosted on JBoss EAP/ Red Hat application platforms, including EAP version upgrades and platform transformations.
- Experience assessing and remediating applications for Java/Jakarta EE compatibility and modernisation requirements.
- Strong knowledge of modern Java enterprise frameworks, application servers, APIs, persistence frameworks, databases, security frameworks, and integration technologies.
- Experience with application modernisation, technology upgrades, migration, re-platforming, and technical debt reduction initiatives.
- Good understanding of cloud-native architectures, DevOps, CI/CD, application security, and modern engineering practices.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
Preferred Skills
- Experience with JBoss EAP 7.x and EAP 8.x environments.
- Prior hands-on software development experience building, enhancing, and supporting large-scale Java enterprise applications.
- Ability to perform code-level assessments, identify modernisation opportunities, and provide practical remediation guidance to engineering teams.
- Experience working directly with legacy application codebases and driving modernisation initiatives from assessment through implementation.
- Experience implementing AI-driven SDLC practices using AWS Kiro.
- Experience with Migration Toolkit for Applications (MTA), or equivalent migration assessment and modernisation tools.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
Location