Devraj Gothi

I'm an AI/ML Engineer at Lilysys Solutions with 2 years of experience building intelligent systems, driven by a quiet determination and a deep sense of diligence that keeps me grounded through complex challenges. I approach problems with an open mind and a balanced lens — blending logical rigor with genuine empathy for end users — always striving for solutions that are both technically sound and meaningfully impactful. Reliable and adaptable by nature, I thrive in evolving environments where flexibility and idealism push the boundaries of what's possible with AI.

Experience

L

AI/ML Engineer

Lilysys Solutions · Jan 2026 – Present

Not yet confirmed

• Built a production-grade GraphRAG system over dense technical PDFs (data sheets, installation manuals, user guides) using Gemini 3 Flash and GPT-5.4 nano; integrated reference image retrieval for visual answers, achieving 95% accuracy versus ground-truth benchmarks.
• Engineered a full-stack client-facing website using Next.js, React, and Tailwind CSS to support a startup's seed-funding pitch, delivering a high-performance responsive UI optimized for investor engagement.

Generative AI/ Machine Learning Engineer

Siemens · Jun 2024 – May 2025

Not yet confirmed

• Spearheaded the development of an AI-powered patent ideation tool using Retrieval-Augmented Generation (RAG), reducing patent drafting time by ~45% through automation and intelligent content synthesis.
• Engineered a vector embedding pipeline integrated with cosine similarity algorithms to objectively evaluate the novelty of Al-generated patent concepts; implemented a <0.25 similarity threshold to flag and promote highly original ideas.
• Transformed a complex Excel dataset to JSON, enabling a GraphRAG system that delivered better retrieval accuracy than standard RAG.