I am Thierry Ngangoum, a Senior Backend Engineer and AI Systems Developer with 5+ years of experience delivering production APIs, cloud platforms, LLM applications, RAG pipelines and intelligent automation.
I combine backend engineering, AI orchestration and cloud delivery to build systems that stay fast, reliable and maintainable.
Scalable APIs, microservices, databases, authentication, asynchronous processing and performance optimization.
LLMs, RAG, agent orchestration, voice assistants, observability and grounded enterprise AI applications.
Docker, AWS, CI/CD, Nginx, Gunicorn and secure production deployment across multiple services.
Virtual phone platform for calls, SMS, virtual numbers and AI receptionists with per-number knowledge bases and call reports.
Multilingual platform that generates CVs, cover letters and legal documents with AI and production-ready PDF rendering.
Retrieval-augmented assistant for grounded answers over PDFs, URLs, FAQs and enterprise knowledge sources.
Coordinated agents for triage, retrieval, drafting and escalation with tracing, evaluation and human review.
Voice agent that answers business calls, follows schedules, transfers callers and creates post-call summaries.
High-speed semantic search across large PDF collections with citations, filters and streaming responses.