AI Engineer
egeroo.ai
Improving retrieval, provider integrations and evaluation for production conversational AI.
Delivered7.22s → 1.1s intent-query latency; MLflow tracing across RAG and agentic flows.
Dean Hans
AI Engineer at egeroo.ai
AI Engineer at egeroo.ai
I build AI that
earns its place.
Production systems. Faster responses. Lower costs.
From the model to the person using it.
PROFESSIONAL EXPERIENCE
Currently building AI at egeroo.ai.
AI Engineer Intern
egeroo.ai
Built RAG Q&A, order-taking, recommendation and multimodal agents for conversational products.
DeliveredLowered AI operating cost by about 85% and shipped four chatbot architectures.
What I delivered at egeroo.ai.
Production improvements across cost, latency, and product iteration.
What I reach for.
Tools follow the problem.
AI systems
PythonLangChainRAGEmbeddingsLLM APIs
Models & data
PyTorchHugging Face Transformersscikit-learnPandasSQL
Analysis & visualization
NumPyMatplotlibSeabornPlotlyStreamlit
Into production
DockerPostgreSQLpgvectorVector searchMLflow
Built with a reason.
All projectsData Science/Analytics
Loan analysis
Analyzed customer data and compared classification models, delivering a notebook, model artifacts and a written report.
- Random Forest model accuracy
- 97.40%
Pythonscikit-learnXGBoost
ML Engineering
Makemore
Built a character-level GPT from scratch using PyTorch, implementing attention, training and Indonesian poetry generation.
- parameters built and trained from scratch
- 10M+
PythonPyTorch
AI Engineering
Dio the Chatbot
A conversational RAG guide that answers questions across Hans’s projects, experience and source material.
- to understand Hans quickly
- 1 chat
LangChainRAGRetrievalEmbeddings
Always a student.
Courses, certificates, and time spent getting better.
All 10 credentials
Research Publication.
RESEARCH · 2025Can a model learn more
without forgetting?
Extended DynaMMo with class-balanced focal loss to help a model learn new eye-disease classes from imbalanced images.
- latest accuracy
- 58.03% → 69.30%
10 RFMiD classes · 5 incremental tasks · 25-sample memory buffer.
Procedia Computer Science 269 · pp. 649–658
The foundations.
Bachelor of Computer Science
BINUS University
3.90/4.00Magna Cum Laude
Intelligent Systems · 2026
Intelligent Systems · 2026
Have something
worth building?
Jakarta / Tangerang, Indonesia