Arun
Kataria

Full Stack Engineer · AI & Agentic Systems

10+ years crafting scalable web architectures and AI-powered products. Building intelligent systems with Anthropic Claude, OpenAI, Gemini and Java Spring Boot — from micro frontends to LLM pipelines.

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10+
Years Experience
7+
Companies
8K+
Weekly NPM Downloads
🤖
AI Engineer
Full Stack · LLM · Agentic
Claude
ChatGPT
Gemini
Spring Boot
AWS
GitHub
AI Expertise

Working with AI Models

Hands-on experience integrating leading AI platforms into production systems — from LLM pipelines to agentic workflows.

Anthropic Claude

Used Claude Sonnet & Opus for Agentic AI tax-filing workflows at Intuit, building autonomous multi-step reasoning pipelines.

Agentic AI · Tax Assistant

OpenAI ChatGPT

Integrated GPT-4 for prompt pipeline design and context-aware recommendations in customer-facing tax products.

LLM Pipelines · GPT-4

Google Gemini

Deployed Gemini for LLM-based loan risk summarization at Coforge, helping underwriters make faster decisions.

Risk Analysis · FinTech

Java Spring Boot 21

Built high-concurrency REST microservices at Intuit, Coforge, and OLX — including real-time pricing engines and loan eligibility APIs.

Microservices · REST APIs

Node.js Microservices

Expert-level Node.js across 7+ companies — scalable APIs, real-time WebSockets, and microservice architectures for fintech and e-commerce.

10+ Years · Production

React.js & Next.js

Led micro frontend architecture at Intuit, OLX and Policybazaar — PWAs, SSR with Next.js, and Redux state management at scale.

Micro Frontend · PWA · SSR
Tech Stack

Skills & Expertise

Category
AI & LLM
Category
Frontend
Category
Backend
Category
Cloud & DevOps
Category
Data & Monitoring
Career

Work Experience

Sr. Software Engineer
Intuit · TurboTax & QuickBooks
May 2024 – Present
  • Improved page performance by 8% on TurboTax & QuickBooks, directly driving revenue growth.
  • Built Agentic AI workflows with Anthropic Claude & ChatGPT for autonomous tax filing, cutting manual effort by 30%.
  • Developed Java Spring Boot 21 RESTful services integrating backend engines with React.js micro frontends.
  • Designed LLM prompt pipelines using claude-sonnet for context-aware tax recommendations.
React.jsNext.jsSpring Boot 21Anthropic ClaudeChatGPTAgentic AIAWSKubernetes
Sr. Technical Specialist
Coforge · LendingClub (USA)
Oct 2023 – Apr 2024
  • Built Java Spring Boot 21 microservices for real-time loan eligibility and credit scoring, reducing processing by 25%.
  • Integrated Google Gemini LLM for intelligent loan risk summarization aiding underwriters.
  • Ensured seamless user journeys across loan applications and banking operations.
Spring Boot 21Google GeminiLLMNode.jsReact.js
Software Engineer II
OLX Group
May 2022 – Oct 2023
  • Led Autos Dashboard PWA with AI-driven pricing — boosted sales 10% and profitability 8%.
  • Built Agentic AI pipeline using LLMs to auto-classify listings, suggest prices, and flag fraud.
  • Developed Java Spring Boot 21 backend for high-concurrency vehicle pricing engine.
Spring Boot 21Agentic AILLMReact.jsAWSPWA
Sr. Software Engineer
Policybazaar.ae
Jul 2020 – May 2022
  • Architected web app from scratch — 20% more repeat customers, 10% boost in insurance sales.
  • Developed scalable Node.js microservices for multiple insurer aggregators; managed UAE Policy team.
Vue.jsReact.jsNode.jsNGINXMicroservices
Sr. Software Engineer
CarDekho.com
Jun 2019 – Jun 2020
  • Built InsuranceDekho Agent App as PWA, deployed on OpenShift Cloud Platform.
  • Led system architecture for scalability; optimized backend, reducing data retrieval time.
React.jsReduxPWAOpenShift
Open Source

NPM Contributions

📦

image-file-resize

A lightweight browser-side image compression library. Reduces image file size before upload without quality loss — no server required.

↑ 8,000+ weekly downloads
🔧

isempty-typeof

Utility to check if an Object or Array is empty and determine its TypeOf. Simple, battle-tested, and zero-dependency.

✓ Published on NPM
Writing

Latest Blog Posts

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Something Great?

Open to senior engineering roles focused on AI integration, full-stack architecture, or team leadership.

Email Me GitHub +91 97285 80050