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Gaurav BajajGB
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Gaurav Bajaj

@gauravbajaj

I build scalable full-stack and AI products serving millions of users.

India
Message

At SEW.ai, I lead full-stack MERN and Python/AI platform work for products serving millions of users.

I own the frontend design system and UI component library across squads, establishing architecture standards, design-token pipelines, Storybook documentation, and WCAG 2.1 AA compliance while maintaining 98% on-time feature delivery.

I’ve built high-throughput Node.js, Express, and FastAPI services, including Redis, Kafka, MongoDB sharding, PostgreSQL, and autoscaling infrastructure. I also built production AI integrations with LangChain, LangGraph, RAG pipelines, vector search, and OpenAI, Anthropic Claude, and Gemini APIs.

Previously, I improved ecommerce performance and reliability at Antino Labs and delivered a MERN platform at Global Trendz with real-time dashboards, JWT authentication, RBAC, REST APIs, and team-wide WCAG standards.

Experience

Work history, roles, and key accomplishments

SE
Current

Senior Software Engineer (Full Stack Lead)

SEW.ai

Mar 2022 - Present (4 years 6 months)

Owned the frontend design system and UI component library across squads, establishing component architecture standards, design token pipelines, Storybook documentation, and WCAG 2.1 AA accessibility compliance. Technical Lead on full-stack MERN platform for millions of users, implementing Redis Cluster, Kafka async pipeline, MongoDB sharding, and production AI integration layer using Python, LangC

AL

Software Engineer

Antino Labs

Sep 2021 - Feb 2022 (5 months)

Built responsive, mobile-first React/Redux/TypeScript ecommerce frontend with Core Web Vitals optimization and reusable component patterns, reducing cart abandonment by 20% and improving page load by 30%. Delivered Cypress/Jest automated UI test suite and Jenkins/Docker CI/CD pipeline, improving stability by 25%.

GT

Software Engineer

Global Trendz

May 2020 - May 2021 (1 year)

Delivered full-stack MERN platform (Maxx Change) with React, Node.js/Express, MongoDB, PWA, and real-time dashboards, achieving Lighthouse 95+. Implemented JWT auth, RBAC, RESTful APIs, and 85% test coverage via Jest/RTL, adopting WCAG standards team-wide.

Education

Degrees, certifications, and relevant coursework

GG

GGSIPU

B.C.A., Computer Science

2017 - 2020

Activities and societies: Open Source: HeroUI (NextUI) - React architecture, WCA & performance optimization

Pursued a Bachelor of Computer Applications with a focus on Computer Science, graduating in 2020.

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