Principal Engineer  ·  AI/ML

Sanjay
Sharma

Engineering Leader · AI Builder

I learn AI. I teach AI. I build AI.

Sixteen years building software across five industries and three technology eras. Since 2018, one focus: making AI work in production — NLP pipelines, ML infrastructure, LLM systems at global scale. I build systems, lead engineering teams, and develop engineers across context, APIs, data, and enterprise platforms. The project I keep coming back to: an AI School that takes practical AI education to engineers everywhere.

Sanjay Sharma

I build AI systems that run in production. Sixteen years of that, across industries that don't tolerate failures — financial markets, healthcare, enterprise software at scale. My path into AI wasn't through a PhD programme; it was through real engineering problems that needed solutions that worked today.

The systems I'm drawn to sit at the boundary between research and production: retrieval pipelines that actually surface the right thing, ML platforms that make model iteration feel like software engineering, LLM systems that hold up under the constraints of real organisations. The hard problems are rarely the algorithms — they're the reliability, the scale, and the integration with everything else.

I care about engineering culture as much as I care about the systems. I've spent years running internal AI education — not because it was required, but because I've seen what happens when a team genuinely understands what they're building with. The gap between engineers who understand AI and those who don't is widening. It matters.

What I bring is a combination that's genuinely rare: deep technical foundations in AI and ML, the architectural instinct to design systems that scale, and the leadership experience to build the teams that run them. I'm focused on the long game — not just shipping the model, but building the platform and the engineering culture that keeps shipping.

AI & Generative AI
LLMs, RAG, Vector Search, Agentic Systems, Prompt Engineering, Context Engineering, LLM Ops, Fine-tuning, Embeddings
Classical ML & Deep Learning
Supervised / Unsupervised Learning, Neural Networks, CNNs, RNNs, Transfer Learning, Scikit-learn, PyTorch
NLP & Data Science
NLP Pipelines, Topic Modelling, Sentiment Analysis, Entity Extraction, Named Entity Recognition, OCR, Text Summarisation
ML Operations
MLflow, Apache Airflow, Model Lifecycle Management, Experiment Tracking, Pipeline Orchestration, Batch Processing
Cloud & Infrastructure
AWS (Lambda, ECS, Batch, S3, RDS, SageMaker), Docker, Kubernetes, Terraform, Infrastructure as Code
Languages & Frameworks
Python, Java, JavaScript / TypeScript, FastAPI, Flask, React, Node.js, SQL, LangChain, LangGraph
Architecture & Design
Platform Engineering, Microservices, Distributed Systems, REST APIs, Event-Driven Design, C4 Architecture
Databases
PostgreSQL, Elasticsearch, MongoDB, Oracle, DynamoDB, Redis
Fidelity International Research & Portfolio Management  ·  India / UK / China
Aug 2022 — Present
Principal Engineer / Engineering Lead

Financial services AI — building the infrastructure behind a global asset manager's research and investment workflows. Semantic search, quantitative model platforms, NLP pipelines, and the engineering foundations that a large cross-country team works on every day. The leadership work has been as important as the technical: setting engineering standards and practices adopted across the broader organisation, and starting an internal AI education programme — Transformers, LLMs, agentic systems — because the team deserved it.

Tata Consultancy Services Healthcare & Life Sciences  ·  India / USA
Jun 2018 — Aug 2022
Backend Application Lead

Healthcare and life sciences. I built two AI-powered products from zero to production — competitive intelligence systems using NLP pipelines across clinical trials, journals, and news, and a medical document compliance platform with custom OCR and rule engines built without off-the-shelf tooling. I introduced MLflow and Airflow across ML projects here, which became the foundation for everything that came after.

Aon Plc Risk & Insurance  ·  India / USA
Oct 2013 — May 2018
Developer Analyst → Technical Lead

Enterprise software in insurance and finance. Led delivery teams through large modernisation programmes, designed integration architecture, and served as the technical bridge between engineering and a wide range of business stakeholders. Scaled India delivery teams from scratch across two accounts — both delivered on schedule.

Tata Consultancy Services Healthcare Domain  ·  India / USA
Aug 2011 — Aug 2013
System Engineer → Tech Lead

Healthcare software. Promoted to Tech Lead on a live multi-year programme — owned design, delivery, and production support while continuing hands-on development.

Wipro Technologies Retail & Logistics  ·  India
2010 — Aug 2011
Software Engineer

Software development across logistics and retail accounts.

Smart Controls Industrial Automation  ·  India
Jul 2009 — 2010
Software Engineer

Where it started: industrial automation. PLC, SCADA systems, real-time sensor data. It taught me that reliability is never optional.

🔍
Semantic Search with RAG
Retrieval-augmented search for knowledge workers — combining vector search, LLM reranking, and structured data retrieval across large document corpora. The challenge: making recall and precision work together when documents have no obvious metadata.
RAG Vector Search LLMs AWS
📈
MLOps Model Platform
Lifecycle management for ML models — versioning, environment promotion, monitoring, and governance via microservices API. Built for teams where models are first-class software artefacts, not ad hoc scripts.
MLOps Microservices Python FastAPI
🕵️
NLP Intelligence Pipeline
An NLP pipeline that ingests, classifies, and surfaces signals from unstructured text — topic modelling, summarisation, entity extraction, and intelligent alerting running continuously across news, journals, and structured data sources.
NLP Web Crawling Apache Airflow
⚖️
Document Compliance Engine
Compliance review for regulated documents — custom OCR, PDF extraction, and a configurable rule engine covering grammar, regulatory patterns, and disclaimer verification. Built without off-the-shelf tooling because the requirements didn't fit standard solutions.
OCR NLP Compliance HIPAA
🏛️
Engineering Standards Framework
A Python engineering standards framework — dependency management, security policies, branching conventions, CI/CD patterns. Designed to be adopted across large teams without adding friction to individual contributors.
Python CI/CD Governance
🎓
AI School
An internal engineering education programme covering Transformers, LLMs, context engineering, and agentic systems. Started from scratch, no mandate, because the team needed it.
LLMs Transformers Agentic AI