Lionel Etaba

An online community for charter schools leaders in the USA.

• Engineered a scalable pipeline that automates weekly content collection and vectorization, using Typescript, NodeJS, and AWS Lambda, maintaining fresh LLM embeddings across 3000+ articles to power accurate chatbot responses.

• Architected and implemented a Retrieval Augmented Generation (RAG) pipeline using Typescript, NodeJS Langchain and OpenAI, enabling precise AI responses based on platform-specific content.

• Created an intuitive chatbot interface with ReactJS (NextJs), implementing real-time streaming responses and conversation history.

An Online computer science education platform transforming tech education.

• Architected and designed the infrastructure of a learning platform (Anchor) laying the foundation for scalable and efficient system operations using PostgreSQL, Python (Flask, FastAPI), Docker, Typescript, ReactJS (NextJs) on Google Cloud Platform.

• Established a sophisticated deployment infrastructure and implemented a streamlined process for continuous integration and delivery on Google Cloud Platform (GCP) using GitHub Actions and Docker.

• Played a pivotal role in launching the minimum viable product by developing key features for the product, including internal APIs (Python, Flask, PostgreSQL), third-party API integrations, and user interfaces using ReactJS(NextJs).

Enterprise software consultancy delivering custom solutions across industries in Europe.

• Created new and maintained existing Restful services for a warehouse management application used by CTDI (a logistics company in operating in Europe), using C#, .NET, Java, Spring Boot, and Oracle.

• Led backend optimization initiative for a core document generation service, reducing processing overhead by 40% through async architecture.

• Led the migration of mission-critical CI/CD pipelines, optimizing build workflows to reduce deployment time from 45 mins to 15 mins, improving developer productivity.