Shijo Joseph
Trivandrum
Summary
Senior AI Engineer (6+ years) specialized in building ML and LLM-powered automation engines for web applications. Developed systems that eliminated manual review cycles and consistently delivered > 90% accuracy at scale. Experience in Python development, backend systems, RAG pipelines, prompt tuning, and model optimization.
Overview
7
7
years of professional experience
Work History
Senior Engineer
QBurst
Trivandrum, Kerala, India
07.2019 - Current
- Built a custom product categorization system for a Fortune 10 company - processes 100,000+ products monthly, improved accuracy from 73% to 98%, and reduced manual work.
- Used LangChain and prompt engineering to optimize LLM performance and response times.
- Built document parsing pipeline serving 100+ clients using LLMs, queues, and webhooks for reliable processing.
- Designed system architecture covering data prep, LLM integration, and deployment with FastAPI and Docker.
- Used LangChain and prompt engineering to optimize LLM performance and response times.
- Fine-tuned QA transformer models for invoice parsing - achieved 95\% accuracy for the internal reimbursement system.
- Set up monitoring and quality checks with Langfuse for token tracking and SonarQube for code quality.
- Added new features to a grants management platform based on client feedback and requirements.
- Built POCs with CrewAI and LangGraph to test Agentic AI and RAG solutions for business applications.
- Mentored new hires and interns on technical projects and development practices.
Software Developer Intern
Scope India
Trivandrum, Kerala, India
11.2018 - 05.2019
- Helped write and debug code for small features and internal tools.
- Worked with other developers to understand and improve parts of the codebase.
Education
BTech - Computer Science
University of Kerala
Trivandrum, Kerala01.2018
Skills
- Python
- JavaScript
- FastAPI
- Django
- Flask
- GPT-4
- Gemini
- LangChain
- Transformers
- LlamaIndex
- MySQL
- PostgreSQL
- Google Document AI
- Docker
- AWS EC2
- GIT
Timeline
Senior Engineer
QBurst
07.2019 - Current
Software Developer Intern
Scope India
11.2018 - 05.2019
BTech - Computer Science
University of Kerala