KOFEEJAN
Full Stack Cloud Engineer
Backend-first, cloud-native, full-stack when it counts.
I'm a Full Stack Cloud Engineer building backend-first systems on GCP and AWS with AI integrations.
I've shipped production work across enterprise Workforce Management systems, GCP-hosted LMS products, and blockchain applications in startups.
Certified as GCP Associate Cloud Engineer, AWS Cloud Practitioner, UKG Pro WFM Integration Developer, and ISC2 Cybersecurity.
Currently at Accenture — actively looking for full-stack, backend, or cloud engineering roles and open to freelance engagements.
Featured Projects
AI pipelines, cloud systems, and research-backed game engineering.
Multi-Domain Support Triage AgentSolo-built sequential multi-agent system with local RAG that triages support tickets across isolated knowledge domains — 96.6% citation grounding accuracy across 29 pilot tickets.PythonGeminiGoogle ADKChromaDBSentence TransformersPandasPydanticRAGMulti-Agent
Revita Rogue2D environmental survival online mobile game on DAG-driven quest architecture — 41% frame drop reduction, 60% retention lift. Lead author, ICDTA 2025 research paper.C#.NETIL2CPPUnityMobileGame ArchitectureDAGResearch![Triage SaaS [Development Phase]](/_image?href=%2F_astro%2Ftriage-saas.roBR8HjU.png&w=640&h=267&f=webp)
Triage SaaS [Development Phase]AI-assisted support ticketing for small teams — one queue, automatic classification, and email-backed customer updates without a heavy helpdesk.NextJSReactFastAPIGemini APIAgentic WorkflowPythonRedisGoogle Cloud Run
Featured Blog
Lessons from building a multi-agent RAG triage system with Google ADK.
What I Learned Building a Multi-Domain Triage Agent with Google ADK and Local RAG
ADK limitations, embedding model tradeoffs, and why sequential multi-agent pipelines beat single-step structured output for reliability.
PythonGoogle ADKRAGChromaDBGeminiAIMulti-Agent