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CollinsNyatundo/README.md

Collins Nyagaka

AI and machine-learning engineer focused on reliable application boundaries, evaluation, and data systems. My public repositories are working references: they show code, tests, trade-offs, and known limitations rather than claiming live production deployments.

LinkedIn Β· Portfolio Β· Email

Selected work

FastAPI and Streamlit reference implementation for authenticated LLM application boundaries, tenant-scoped state, a bounded agent/tool loop, circuit breakers, evaluation utilities, and optional NVIDIA NIM/OpenKB adapters.

What to inspect: the request boundary in app/main.py, orchestration in app/services/rag_pipeline.py, security controls in app/security/, and CI/tests. The README distinguishes implemented behavior from local prototypes and missing deployment controls.

Tabular-ML workflow covering validation-based model selection, threshold tuning, experiment tracking, API serving, monitoring examples, and reproducible synthetic demo data.

What to inspect: the training/evaluation split, model tests and benchmarks, dependency isolation, and deployment examples. It is a reference implementation, not a hosted service.

Searchable Markdown study/reference package adapted from Vijay Janapa Reddi's Machine Learning Systems material, with a read-only FastMCP interface.

What to inspect: attribution and provenance, the CC BY-NC-SA 4.0 licensing terms, chapter/resource indexing, and MCP containment tests. This is an adapted reference collection, not an original textbook or an MLOps execution platform.

Current engineering interests

  • Reliable agent execution and evaluation
  • Retrieval and memory boundaries
  • ML experimentation without train/test leakage
  • API security, tenant isolation, and observability
  • Reproducible local development and CI

Working style

I prefer evidence that can be inspected: deterministic tests, explicit limitations, small reproducible examples, and architecture claims tied to code. Private work is discussed directly when relevant rather than advertised here without public proof.

Pinned Loading

  1. customer-churn-ml-system customer-churn-ml-system Public

    End-to-end customer churn ML system with reproducible training, FastAPI serving, MLflow tracking, drift monitoring, and CI.

    HTML 1

  2. machine-learning-systems-plugin machine-learning-systems-plugin Public

    Plugin based on the Machine Learning Systems books VOL 1&2 By Vijay Janapa Reddi. The physics of AI engineering. A rigorous, principles-first treatment of how ML systems are built, optimized, and d…

    Python 1

  3. production-ai-template production-ai-template Public

    Production-ready, containerized 9-layer AI/RAG application template utilizing FastAPI, hybrid search retrievers, security guardrails, SQLite state store, and OpenTelemetry observability.

    Python