Sid Jain
Download PDFSenior Full-Stack Engineer / AI Lead building AI-native products and hard production systems from zero to launch. Founded Yuppies Tech and personally led technical delivery for Airbus Tripset, Mitsubishi Motors Puerto Rico MiAR, ZebPay, Texts.com, Veera Browser, and Memorang. Currently leads Namefi AI product engineering across Outbound, Brand Studio, and Feed while building core registrar, DNS, payments, and workflow infrastructure.
Experience
Namefi
Domain registrar and marketplace infrastructure with AI-native products for domain owners.
- Built Namefi Outbound, reducing domain sales research and outreach prep from days/weeks to minutes by automating buyer-fit hypotheses, web research, lead scoring, contact discovery, and editable outreach drafts.
- Built Brand Studio, a multi-stage AI branding system that turns domains into buyer-ready logo, poster, and motion concepts with strategist/concept passes, exact domain/TLD rendering constraints, and cinematic animation workflows.
- Built Namefi Feed, an MLS-style discovery layer indexing roughly 4,000-5,000 public secondary-market domain listings from X, NamePros, DNForum, and marketplaces into searchable/RSS surfaces.
- Built registrar and domain systems across registrar integrations, DNS/DNSSEC, nameservers, ENS/.eth, renewals, payments, checkout, and Temporal-backed long-running workflows.
Yuppies Tech
Founder-led product engineering consultancy for high-ambiguity client work.
Founded and led a product engineering consultancy; served as client-facing technical partner and hands-on technical lead across travel, automotive, crypto, messaging, browsers, and AI education.
- Memorang: Head of CMS for an AI education platform, leading schema-first AI CMS work for Cambridge/TOEFL content, AI-generated questions/media, adaptive practice, scoring workflows, and a JS/Flow to TypeScript/Bun/Biome modernization.
- Veera Browser: led Android Chromium browser delivery from zero to Play Store, owning Chromium/Brave patch management, build/release tooling, rewards/feed/onboarding/search/tabs, privacy/security updates, and later iOS platform setup.
- Texts.com: built the production Facebook Messenger channel over undocumented messaging infrastructure, implementing protocol-compatible MQTT/Facebook Thrift handling, encrypted payload support, and feature-parity messaging across sync, groups, attachments, reactions, read receipts, typing, and presence.
- ZebPay: technical lead for a 10-person embedded team modernizing iOS/Android apps and release infrastructure for one of India's largest crypto exchanges, moving stabilization releases from monthly/bi-monthly to weekly.
- Mitsubishi Motors: tech lead for MiAR virtual dealership and Outlander AR campaign, leading a 3-person team across native iOS/iPadOS, WebAR, optimized 3D vehicles, low-end Android support, bilingual content, and contest/admin workflows.
- Airbus Tripset: solo technical partner to Milkinside for Airbus's public iOS/Android COVID travel companion, building the React Native app and backend aggregation layer over Airbus/Amadeus APIs, CMS-driven travel guidance, and itinerary notifications.
Kult App
Consumer beauty and skincare commerce.
- Built the first product and technical foundation for a consumer beauty/skincare shopping app from the ground up across AWS, Elixir, Swift, and Kotlin.
Yilu, Lufthansa Group / BCG Digital Ventures
Smart travel platform for Lufthansa Group.
- Built native mobile architecture, CI/CD and release automation, Terraform-backed AWS web infrastructure, and iOS/Android features for Eurowings.
- Helped hire and structure the initial engineering team through job descriptions, technical tasks, interviews, and Scrum Master responsibilities.
8fit
Fitness and nutrition platform, now part of Withings.
- Architected a hybrid Apple TV fitness app that reached #1 Health & Fitness in Germany and 30+ countries and #7 in the US.
- Built cross-platform mobile features across JavaScript, Swift, Objective-C, Java, and Kotlin.
Housing.com
Indian real estate search and transaction platform.
- Led cross-platform mobile architecture and the team transition to React Native, built in-house release/CI/CD systems, and contributed to Housing.com's PWA.
- Published the Housing Engineering article 'How We Built Our React Native App' covering architecture, release automation, testing, performance, and team migration.
Earlier Consulting and Startup Work
Bridg, 1mg, HornOk, Volkno, Meriad, and self-employed work.
- Built startup web/mobile systems across customer-data email tooling, real-time doctor consultation, IoT fleet management, and JavaScript/Java/Ruby on Rails product engineering while studying Computer Science at UCLA.
Education
University of California, Los Angeles
BS, Computer Science and Engineering.

