Biraj
Buddhacharya.

Machine learning engineer and full-stack developer. I build backends that think — RAG chatbots, recommendation engines and analytics systems — and the interfaces that make them usable.

01 / selected work

Things I've shipped

all 3 projects →
02 / experience

Where I've worked

2025 — present
Kathmandu, NPL

ML Engineer & Full-stack Dev / DalloTech

  • Building core AI R&D for an analytics platform — intent recognition, recommendation engine, and query generation.
  • Developed a full ERP system covering inventory, billing, and reporting.
  • Designed and shipped REST APIs powering both internal tools and client-facing products.
2024 — 2025
Remote

Freelance Developer / Self-employed

  • Built an event management platform with real-time ticketing and QR-code check-in.
  • Developed an ordering system with recommendation features for a restaurant chain.
  • Delivered ML prototypes for 3 clients: sound classification, document similarity, churn prediction.
03 / capabilities

The toolkit

Languages
PythonTypeScript
ML/AI
PyTorchscikit-learnLangChainTensorFlowLangGraph
Backend & Infra
FastAPINestJSPostgreSQLDockerRedis
04 / writing

Notes from the build

read the blog →

Let's build something.

Freelance work, full-time roles, or just a good ML problem to chew on — my inbox is open.

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