Colin User
@colinuser
I build enterprise applications with Java, Spring Boot, React, Angular, and AI-assisted development workflows.
GermanyWhat I'm looking for
At ARAG SE, I develop and maintain enterprise applications using Java, Spring Boot, React, Angular, REST APIs, SQL, CI/CD, and OpenShift. I focus on maintainable software, code quality, and continuous improvement across backend services and modern web frontends.
I'm also an AI Expert at ARAG, coaching developers on practical AI adoption, plugins, context management, workflow optimization, and token-cost reduction. I've been programming since 2013 and have added freelance backend and frontend experience since 2016.
Experience
Work history, roles, and key accomplishments
AI Expert
ARAG SE
Jan 2025 - Present (1 year 7 months)
Coach developers on the effective use of AI-assisted development tools and workflows. Provide guidance on AI skills, plugins, context management, and token-cost optimization.
Education
Degrees, certifications, and relevant coursework
Heinrich Heine University Düsseldorf
University Studies, University Studies
2019 - 2021
University studies at Heinrich Heine University Düsseldorf from 2019 to 2021.
Tech stack
Software and tools used professionally
Availability
Location
GermanyAuthorized to work in
Salary expectations
Social media
Job categories
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