Abhishek Singh — Projects & Work
Senior GenAI & Automation Engineer · Pune, Maharashtra, India
abhishekthatguy@gmail.com · +91 89600 82434 · portfolio.abhishekthatguy.in · abhishekthatguy.in · github.com/abhishekthatguy · linkedin.com/in/abhishekthatguy
AI-First Fullstack Developer | Product Lead
Product Builder | Technical Leader
Senior Software and GenAI Engineer with 8+ years of production experience across enterprise web applications, platform modernization, AI products, and workflow automation. I build AI-powered systems end to end — agentic workflows, RAG and document intelligence, enterprise automation, Python/FastAPI services, and modern React/Vue frontends.
github.com/abhishekthatguy | linkedin.com/in/abhishekthatguy
AI-First Developer
AI-First Fullstack Developer
LangGraph, LangChain, LlamaIndex, RAG, multi-agent systems, GPT-4o, Claude, Gemini, Ollama, Groq, AWS Bedrock
React.js, Next.js, Vue.js 2/3, Angular 21, TypeScript, Tailwind CSS
Python, FastAPI, Node.js, Express, REST, GraphQL, JWT, OAuth 2.0
n8n pipelines, Power Automate Desktop, Celery + Redis, Playwright, Browserless
PostgreSQL, pgvector, OpenSearch, MongoDB, Redis, Docker, AWS, Cloudflare, Vercel
Strapi v3/v4, WordPress, Webflow, Metronic, Handlebars
Jest, Sentry, LaunchDarkly, Jenkins, GitHub Actions, Core Web Vitals
Abhishek Singh — AI-First Fullstack Developer
90+
PageSpeed
InsureXtech platform lifted from ~35 — Cloudflare, Partytown, Service Workers, Core Web Vitals
221→0
Vulnerabilities
Eliminated 100% of Critical/High severity issues; 1,299 tests green across 98 suites
35%
Support Queries Cut
OpenAI + Vue.js insurance chatbot in production
~40%
LLM Cost Reduction
Zaytri — local Ollama inference + intelligent multi-provider routing
Sub-2s
RAG Retrieval
pgvector semantic search with optimized chunking strategy
60%
Review Time Saved
Python document-intelligence pipeline for insurance PDFs
50%
Faster Dev
Component architecture v1→v2 reusable UI system
0
Downtime Migrations
Vue 2→3, Strapi v3→v4, Gridsome→Handlebars — all live production
8+
Years Production
InsurTech, Healthcare, Logistics, SaaS, LegalTech, Banking
2+1
Ventures
2 businesses (Balliawala Udyog, Ink Aur Media) + 1 NGO founded
Career Timeline
Intuitive Technology Partners
Santander
Sep 2026 – Present
InsureXtech — PolicyAdvisor
InsurTech, Canada · Freeman Mathis & Gary (via Muses & Nuggets)
Nov 2021 – Aug 2026
Accenture
Cigna, Pfizer, Accredo, Express Scripts
Feb 2021 – Oct 2021
NKC Projects
ERP, Logistics, Communication
Dec 2017 – Jan 2021
Production AI Systems
Master Agent with 18 business intents routing to 5 specialized agents (Zaytri); multi-agent extraction responsibilities for legal-document analysis (FMG).
pgvector semantic search in production (PolicyAdvisor, Zaytri); OpenSearch hybrid/vector retrieval with reranking and citations (enterprise capstone).
Provider-agnostic abstraction across OpenAI, Claude, Gemini, Ollama, Groq — cost/speed routing, failover chains, ~40% cost cut.
n8n production pipelines with orchestrator/dispatcher/worker patterns, locking, retries, heartbeats; Power Automate Desktop; Browserless.
CursorAI, Windsurf, Codex, Antigravity as daily architectural collaborators — 40% sprint-velocity improvement.
Mac Mini home lab — Ollama, Open WebUI, local LLMs (llama3, mistral, codellama, qwen) behind Cloudflare Tunnel and Nginx.
Selected Work
Founder, Product Architect & Full-Stack AI Engineer · 2026 – Present
Solo-built multi-agent AI platform: Master Agent orchestration with 18 business intents, 5 specialized agents, brand-aware RAG (pgvector), Celery/Redis async pipelines, and intelligent routing across 5 LLM providers.
Stack: Next.js 16 · TypeScript · Tailwind CSS · FastAPI · Python 3.11 · LangChain · Celery · Redis · +9 more
Case study: portfolio.abhishekthatguy.in/projects/zaytri · Code: github.com/abhishekthatguy/zaytri
GenAI Engineer · 2026 – Present
Enterprise GenAI engineering inside Santander's governed AI Assist environment: monorepo architecture discovery, KT, technical walkthroughs, and business-requirement analysis for production assistant capabilities.
Stack: Python · FastAPI · GenAI / LLM Applications · RAG · Agentic AI · AWS · Git/GitHub · Enterprise Auth · +1 more
Case study: portfolio.abhishekthatguy.in/projects/santander-ai-assist
AI & Workflow Automation Engineer · 2026 – Present
Production legal-automation pipeline for Freeman Mathis & Gary: orchestrated n8n dispatcher/worker architecture processing California PAGA filings — Outlook intake, PDF extraction, LLM structured extraction, Airtable persistence, and audit-ready reporting.
Stack: n8n · Airtable · Microsoft Outlook · Power Automate Desktop · ShareFile API · Browserless · LLM APIs · PDF/Text Extraction · +3 more
Case study: portfolio.abhishekthatguy.in/projects/fmg-paga-automation
Full Stack Developer · 2026
Event-driven middleware for Australian broadband provisioning: 6 n8n workflow automations bridging Cliquote (RSP), Harmony (LSP), Jira Service Management, and Xero billing behind an Express.js API Gateway.
Stack: Node.js · Express.js · n8n · Docker · PostgreSQL · Redis · Swagger/OpenAPI · Prometheus · +3 more
Case study: portfolio.abhishekthatguy.in/projects/cliqharmony
Senior Software Engineer / Frontend Lead · 2021 – 2026
Nearly 5 years owning frontend modernization on one of Canada's leading insurance platforms: Vue 2→3, Strapi v3→v4, PageSpeed 35→90+, 221→0 vulnerabilities, AI chatbot and RAG document intelligence.
Stack: Vue.js 3 · Vuex · Strapi v4 · GraphQL · OpenAI API · Python · PGVector · AWS · +7 more
Case study: portfolio.abhishekthatguy.in/projects/policy-advisor · Live: policyadvisor.com
Full Archive
Founder, Product Architect & Full-Stack AI Engineer
Solo-built multi-agent AI platform: Master Agent orchestration with 18 business intents, 5 specialized agents, brand-aware RAG (pgvector), Celery/Redis async pipelines, and intelligent routing across 5 LLM providers.
Next.js 16 · TypeScript · Tailwind CSS · FastAPI · Python 3.11 · +12
GenAI Engineer
Enterprise GenAI engineering inside Santander's governed AI Assist environment: monorepo architecture discovery, KT, technical walkthroughs, and business-requirement analysis for production assistant capabilities.
Python · FastAPI · GenAI / LLM Applications · RAG · Agentic AI · +4
AI & Workflow Automation Engineer
Production legal-automation pipeline for Freeman Mathis & Gary: orchestrated n8n dispatcher/worker architecture processing California PAGA filings — Outlook intake, PDF extraction, LLM structured extraction, Airtable persistence, and audit-ready reporting.
n8n · Airtable · Microsoft Outlook · Power Automate Desktop · ShareFile API · +6
Full Stack Developer
Event-driven middleware for Australian broadband provisioning: 6 n8n workflow automations bridging Cliquote (RSP), Harmony (LSP), Jira Service Management, and Xero billing behind an Express.js API Gateway.
Node.js · Express.js · n8n · Docker · PostgreSQL · +6
Solution Architect & GenAI Engineer
Production-grade enterprise RAG architecture (IIT Patna GenAI program): Entra ID auth → metadata-filtered Bedrock retrieval → OpenSearch hybrid search → reranking → guarded generation with citations and usage metrics.
Python · FastAPI · Pydantic · LangGraph · LangChain · +14
Senior Software Engineer / Frontend Lead
Nearly 5 years owning frontend modernization on one of Canada's leading insurance platforms: Vue 2→3, Strapi v3→v4, PageSpeed 35→90+, 221→0 vulnerabilities, AI chatbot and RAG document intelligence.
Vue.js 3 · Vuex · Strapi v4 · GraphQL · OpenAI API · +10
Senior Frontend Architect
Multi-tenant broker onboarding and application system with dynamic brand theming, advanced form validation, input masking, and progressive wizard navigation across 15+ broker partners.
Vue.js · Vuetify · SCSS · ESLint · Vue-mask · +4
Frontend Architect
Architected a comprehensive design system and reusable component library for enterprise applications, reducing development time by 50%.
React · TypeScript · Storybook · Tailwind CSS · Jest · +1
Front-End Developer
Enterprise healthcare modernization at Accenture: legacy React refactoring to hooks/Context, 40+ accessible components, 85%+ test coverage, HIPAA-compliant delivery with zero downtime.
React · Hooks · Context API · Jest · Gulp · +6
Full-Stack Developer
Independently built B2B SaaS for SMBs: product catalog, order lifecycle, client management, invoicing, and analytics in one dashboard — React + Node.js on the Metronic UI framework.
React · Node.js · REST APIs · Metronic UI · SaaS Architecture · +1
Web Developer → Project Lead
Multi-module enterprise ERP (HRMS, CRM, CMMS, SCM, B&P, TMS, JRMLS): introduced React/Redux to the org, built JWT + RBAC security, and ran independent AWS production deployments.
React · Redux · AngularJS · TypeScript · Material UI · +9
Front-End Developer
Browser-based secure video conferencing with OpenTok (Vonage): host/participant roles, meeting lifecycle management, JWT auth, and real-time AV streaming across devices.
React · TypeScript · OpenTok (Vonage) · JWT · Bootstrap · +4
Lead Engineer
Contributed as Lead Engineer to a technology services agency delivering web development, ERP solutions, SEO, hosting, and maintenance for SMB and enterprise clients — including HRMS product development with full team coordination.
React · Vue.js · Node.js · WordPress · Webflow · +3
Developer & Digital Lead
SEO-optimized, mobile-first lead-generation site for a manufacturing business (fly ash bricks, AAC blocks, paver blocks) with WhatsApp and contact-form capture behind Cloudflare CDN.
Next.js · Tailwind CSS · Cloudflare · WhatsApp Integration · Contact Forms · +1
Personal Project
Personal learning project integrating NASA Open APIs — APOD, Earth imagery, and weather data — in a React/Next.js + Tailwind interface.
React · Next.js · NASA Open APIs · Tailwind CSS
15 of 15 projects · portfolio.abhishekthatguy.in
Learning
IIT Patna
Jan 2026 – Present
GenAI, LLM architecture, agentic workflows, LangChain, RAG pipelines — applied in real projects alongside the course.
Amity University Online
Jun 2023 – Jul 2025
Operations strategy, delivery management, business analytics, organizational leadership, project management.
MGKVP Varanasi
Aug 2013 – Jul 2016
Coverage
Beyond Code
0-to-1 products end to end — Zaytri, MyOrderBooks, NYGGS modules: strategy, architecture, delivery, iteration.
Sprint planning, code reviews, mentoring, KT sessions; cross-functional work with PMs, designers, QA, CTOs, and US stakeholders.
Balliawala Udyog (manufacturing, Director), Ink Aur Media, Balliawala Pariwar Foundation (NGO); Lead Engineer contributions at Gitlime (web & software agency).
MBA in Delivery & Operations — scoping, pricing, client management, and operational thinking alongside engineering.
Deep Capabilities
Thank you for your time
Phone
+91 89600 82434Main Site
abhishekthatguy.inLocation
Pune, Maharashtra, India