Hello, I’m Jerrie 👋

Builder, problem‑solver, and explorer. I thrive on unraveling complexity, experimenting with emerging tech, and sharing what I learn—always driven to engineer systems that work smarter and stand the test of time.

core_stack

LLMsPrompt EngineeringFine-tuningRLHF

Ready to collaborate?

hello@g3jerrie.com

Technical Skills

Core competencies across the modern tech stack

Core Tech

Python
Java
Node.js
RESTful APIs
JSON
XML
SQL & NoSQL

AI / LLM

LLMs
Prompt Engineering
Fine-tuning
RLHF
MCP Server Development
PyTorch
TensorFlow

cloud

AWS
GCP
Docker
Kubernetes
CI/CD
Jenkins
GitHub Actions
Splunk

testing

TestNG
Selenium
Playwright
Pytest
System Integration Testing
E2E Automation

Latest Posts

Engineering stories, technical deep-dives, and lessons learned

Featured Projects

Building innovative solutions that drive measurable business impact

TCS | Yodlee AI Hackathon Winner

Built an MCP Server that unified customer data from Splunk, New Relic, Amplitude, and customer documents, exposing an intelligent chat interface via Claude Desktop.

Won TCS AI Hackathon 202540% acceleration in test automationZero external data exposure
MCPGoClaudeSplunkNew Relic

Cloud Migration Initiative

Led the migration of Docker-based infrastructure to AWS, achieving ~80% migration of stage and prod environments in 10 months with 30% cost reduction.

80% migration in 10 monthsProvisioning: weeks → <5 min30% cost reduction
AWSDockerTerraformCI/CDKubernetes

LLM Automation Framework

Integrated LLMs into automation frameworks enabling agentic automation from natural language test cases, reducing development time by ~70%.

70% dev time reduction95% test coverage boostMTTR: 12h → <10min
PythonLLMSeleniumPytestTestNG

Orion — Sovereign AI Orchestrator

A secure, on-premise AI platform with Hexagonal Architecture that integrates edge LLMs with enterprise telemetry via MCP, with zero-trust networking and encrypted local data.

Sub-200ms query latencyExecutive budget approvalPilot across 3 business units
GoMCPOllamaSQLCipherCloudflare Zero Trust

PhysioWave — HIPAA Clinical Assistant

Local-first AI clinical assistant that runs entirely on-premise with multimodal vision, ensuring patient data never leaves the hospital network.

Zero patient data exposure30% chart-review time reductionHIPAA compliant
Next.jsFastAPIOllamaChromaDBGemma 3

Open Banking API Migration

Led the regional rollout of secure Open Banking API connections across five major financial geographies, transitioning from legacy screen scraping.

90% aggregations migrated65% failure rate reduction5 global regions
OAuth 2.0mTLSJavaPythonSQLCipher AES-256

Experience

A decade of driving technical excellence across enterprise platforms

Technical Lead

Tata Consultancy Services, Bengaluru (Client: Yodlee, Inc.)

11/2022 - Present
  • Led the AI innovation initiative and won the TCS | Yodlee AI Hackathon by building an MCP Server that unified customer data from Splunk, New Relic, Amplitude and customer documents with Claude Desktop
  • Integrated LLMs into automation frameworks enabling agentic automation from natural language test cases, reducing test development time by ~70%
  • Authored a Prompt Engineering Handbook and governance guide adopted by 40+ engineers across multiple TCS accounts as a company-wide best practice
  • Built Orion — a sovereign multi-agent AI orchestrator with Hexagonal Architecture, MCP protocol in Go, achieving sub-200ms query latency with zero external data exposure
  • Directed a 6-member engineering team through system integration, automation, and functional testing for pilot products
  • Led migration of on-prem Docker infrastructure to AWS across multiple data centers — achieved ~80% migration within 10 months, reducing provisioning from weeks to under 5 minutes
  • Built async Python diagnostic pipeline (FastAPI + Pydantic) that boosted automated QA test coverage by 95% and reduced MTTR from 12 hours to under 10 minutes
  • Designed and delivered a Credit Matrix API proof-of-concept achieving P99 latency of 132ms, securing a multi-year bank contract

Member Technical Staff

Envestnet | Yodlee, Bengaluru

07/2015 - 11/2022
  • Migrated two-thirds of the global customer base to next-generation Yodlee products across US, Canada, EMEA, Australia, and India
  • Oversaw system integration testing and Open Banking rollouts across multiple regions, implementing OAuth 2.0 + mTLS security
  • Transitioned 90% of aggregations from legacy screen-scraping to Open Banking APIs over a 3-year period, reducing connection failures by 65%
  • Increased test coverage by 95% by converting regression test cases into end-to-end integration scenarios
  • Led cross-functional coordination for FastLink 4 platform release with zero P0/P1 defects, earning the Dream Team Award

Let's Build Something Together

Open for collaboration on AI/LLM projects, cloud architecture consulting, and innovative engineering challenges.