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Karan Sachdev

@karansachdev

Senior Full-Stack Engineer at Spice who launched an AI-powered podcast platform and built RAG search that improved relevance by 40%.

United States

Message

At Spice, I architected and launched an AI-powered podcast platform from zero to production in under eight weeks. I built RAG pipelines for real-time transcription and contextual Q&A, improving search relevance by 40%.

At Lyvecom, I developed livestream and shoppable video experiences that increased user engagement by 30%, and built Shopify livestream shopping features that boosted merchant sales by 25%. As an independent contractor, I designed and delivered products for startup clients, including an AI Instagram platform and a property management platform for web and mobile.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Spice

Jan 2025 - Present (1 year 10 months)

Architected and launched an AI-powered podcast platform from zero to production in under 8 weeks using Next.js, TypeScript, and Tailwind CSS. Engineered LLM-powered RAG pipelines and an embeddings-based recommendation engine, improving search relevance by 40% and increasing session duration by 20%.

Next.js TypeScript Tailwind React OpenAI RAG Embeddings LLM Evaluation Docker React Server Components

Software Engineer

Lyvecom

Mar 2022 - Dec 2024 (2 years 9 months)

Drove a 30% increase in user engagement by leading development of interactive livestream and shoppable video experiences in React, Vue 3, and Next.js. Engineered livestream shopping features for Shopify and scaled low-latency video delivery to 10K+ concurrent viewers.

React Vue3 Next.js NodeJS NestJS Shopify Mux AWS Docker Python Chart.Js

Lead Full Stack Engineer

Codesy Consulting

Aug 2019 - Feb 2022 (2 years 6 months)

Increased project delivery efficiency by 50% by architecting full-stack solutions using JavaScript, TypeScript, Node.js, and Python. Spearheaded migration from monolith to microservices and reduced application load time by 25% through code splitting and API optimization.

JavaScript TypeScript NodeJS Python fastAPI Flask React Docker Kubernetes CI CD Jest Cypress Mocha React Testing Library Redux OAuth JWT

Software Engineer

DoorDash

Mar 2016 - Jul 2019 (3 years 4 months)

Developed high-performance APIs using FastAPI and Node.js, reducing API response times by 30%. Guided a team of 7-8 software engineers and led cross-functional teams to shorten project delivery times by 20%.

fastAPI NodeJS TypeScript JavaScript Git Jira RESTful Services Performance Optimization Team Leadership

Lead Full Stack Engineer

Independent Contractor

Designed and delivered complete products for startup clients, from architecture and UI to AI features, payments, and deployment. Built an AI Instagram content platform and a property management platform with real-time contractor dispatch.