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Varun Seth

@varunseth

Principal software engineer at Microsoft who modernized PowerPoint Web services, saving $7M+ annually, and now builds AI-enabled SaaS products.

India

Message

At VS Technology Ventures, I’m building and deploying AI-enabled SaaS products from concept through implementation and iteration. I built and shipped InMailAI, a Chrome extension for AI-assisted LinkedIn outreach, and developed DMZap and Exhibra.

At Microsoft, I led the .NET modernization of PowerPoint Web services, delivering $7M+ in annual cost savings. I also took PowerPoint Coach from prototype to Android launch, reaching 1M+ sessions and 300K monthly active users.

Earlier at Microsoft, I architected a migration to Azure Elastic AutoPilot that reduced infrastructure costs by 70%+, and re-engineered data-processing logic to cut a pipeline from 12 hours to 2. At Adobe Systems, I developed PDF rasterization technology shipped in millions of OEM devices and improved throughput by about 200%.

My work spans enterprise software, cloud platforms, embedded systems, and AI-enabled products. I’ve also built internal RAG and LLM-agent workflows, and my technical toolkit includes .NET, TypeScript, Python, Azure, and PostgreSQL.

Experience

Work history, roles, and key accomplishments

Current

Founder & Principal Engineer

Current

VS Technology Ventures

Nov 2025 - Present (1 year)

Building and deploying AI-enabled SaaS products end-to-end, including a Chrome extension for AI-assisted LinkedIn outreach, an Instagram automation product, and an event discovery platform.

TypeScript Next.js .NET Python PostgreSQL NEON Render Vercel LLM AI SaaS Chrome extensions API Integration

Principal / Senior Software Engineer

Microsoft

Apr 2019 - Oct 2025 (6 years 6 months)

Led .NET modernization of PowerPoint Web services delivering $7M+ annual savings, took PowerPoint Coach from prototype to Android launch, and architected cross-platform video solutions. Also led AI enablement across engineering teams.

.NET Azure OpenAI Lang Chain AutoGen RAG LLM PowerPoint Office Video Architecture Team Leadership

Senior Software Engineer

Microsoft

Jan 2015 - Mar 2019 (4 years 2 months)

Architected migration to Azure Elastic AutoPilot reducing infrastructure costs by 70%+, re-engineered data-processing logic cutting pipeline runtime by 80%, and led a 10-engineer team to deliver Dynamics CRM V1.0 Chat Support.

Azure Autopilot Data Processing Pipeline Optimization Extensibility Team Leadership Dynamics CRM

Co-founder

Livewell Health Tech

Sep 2013 - Dec 2014 (1 year 3 months)

Co-founded and built healthpanda.in, an online store for private-label healthcare products and medical devices, owning product, technology architecture, and business operations.

Product Management Technology: Architecture Business Operations Ecommerce

Computer Scientist

Adobe Systems

Apr 2007 - Sep 2013 (6 years 5 months)

Developed and optimized PostScript/PDF rasterization technology shipped in millions of OEM devices, improving throughput by ~200% and reducing memory footprint by ~40%. Delivered core platform capabilities including AES-256 encryption and Unicode.

C++Postscript PDF Rasterization AES 256 Unicode Transparency Rendering OEM Integration