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Hi, I'm Lalith 👋

I build complete products with AI — from an open question to something people use — and I bring 4+ years of data work to knowing whether they're working.

I take an idea through scoping, interface, backend, data and AI, and I stay accountable for what ships: tests, customer-data handling, and measuring what happens after launch. I use AI (Claude, GPT) heavily to explore, prototype, implement and debug, and I verify its output with tests and evals rather than trusting it.

  • 🛠️ Building: full-stack products in Python (FastAPI) with LLM features — structured outputs, fallbacks, evals, human-in-the-loop
  • 📊 Background: Data Scientist at USF Morsani College of Medicine (395,000+ records, 180+ automated statistical comparisons) and data analyst at Tata Consultancy Services (multi-million-row banking data)
  • 🎓 M.S. in AI & Business Analytics, University of South Florida (GPA 3.88)
  • 🎯 Open to: product engineer, AI engineer and full-stack roles
  • 📫 LinkedIn · Email

📌 Products I've built end to end

Project The problem What I owned
Pulse Brands collect NPS but don't know what to fix, and unhappy customers never hear back Whole product: mobile survey with instant rewards, Claude-tagged themes with PII redaction and fallback, dashboard ranking themes by detractors, consent-gated close-the-loop queue. FastAPI, SQLite, 22 tests incl. concurrency, CI, decision log
Computer-Use Automation System LLM browser agents are slow, costly and unpredictable on every run An LLM discovers a workflow once; it's compiled into a typed artifact that replays deterministically with zero LLM calls, with policy checks and same-session human handoff. 229 tests, real model evidence including failures
LLM Judge Eval Can you trust an LLM to grade answers? Rubric judge with strict JSON output, blind human-labelling tool, and the stats to validate it (weighted κ, known-error controls, length-bias tests)
Clinical EDC Import Validator Partner data arrives in four formats and nothing may be lost or silently changed Spec-driven integration pipeline: every record loaded or rejected with a reason, 3-way reconciliation, hash-chained audit trail, 50 tests traced to requirements

📈 Data & experimentation (how I decide what's working)

Project What it answers
E-mail Campaign Experiment Which campaign e-mail should a retailer send, and to whom? 64,000-customer randomized test: SRM and balance checks, Holm-corrected effects, uplift targeting — and the call not to build targeting
Marketplace Data Warehouse Monthly ELT for an e-commerce marketplace: Airflow, dbt star schema, SCD Type 2, 50 data tests
iBuyer Offer Engine How to price home offers under uncertainty: conformal intervals and an adverse-selection backtest on 20,220 resales

🤖 How I build with AI

  1. Scope first. Write down the customer problem and what's out of scope before generating any code.
  2. Let AI draft, then verify by behaviour. Tests on the real user path, screenshots of the real UI, evals on labelled data — not just reading the diff.
  3. Never put the model on the critical path without a fallback. Validate outputs against a schema, redact customer data before it leaves the server, degrade gracefully.
  4. Keep the evidence honest. Failures, limitations and "not launched yet" are written down, not hidden.

🛠️ Stack

Product: Python · FastAPI · SQL (PostgreSQL, SQLite, DuckDB) · HTML/CSS/Jinja · REST APIs · Playwright · Docker · GitHub Actions · pytest
AI: Anthropic & OpenAI APIs · structured outputs · RAG (FAISS) · LLM evaluation · agents with human-in-the-loop
Data: pandas · statsmodels · scikit-learn · LightGBM · Airflow · dbt · Spark/Databricks · Snowflake · MLflow · A/B testing & causal inference

Pinned Loading

  1. email-campaign-experiment email-campaign-experiment Public

    A/B/C test analysis of a real 64,000-customer randomized e-mail experiment: SQL validation, SRM and balance checks, Holm-corrected effects, heterogeneity, and uplift targeting.

    Python

  2. marketplace-dw marketplace-dw Public

    Monthly ELT pipeline on the public Olist e-commerce dataset: Airflow orchestration, dbt star schema with an SCD Type 2 dimension, and PostgreSQL. Idempotent batches, schema contracts, 50 dbt tests,…

    Python

  3. llm-judge-eval llm-judge-eval Public

    Rubric-based LLM judge for medical QA, with a blind human-label validation protocol (kappa, error controls, bias tests)

    Python

  4. computer-use-automation-system computer-use-automation-system Public

    LLM-driven workflow discovery with typed capability artifacts, deterministic replay, safety controls, and human-in-the-loop escalation.

    Python

  5. pulse pulse Public

    Customer feedback product: NPS survey with instant rewards, Claude-tagged themes with PII redaction, and a close-the-loop queue for detractors. FastAPI, SQLite, tests, CI.

    Python

  6. documind-ai documind-ai Public

    Multi-agent RAG for contract and regulatory document review (FastAPI, LangGraph, Qdrant)

    Python