Mobile Technical Architect with 15+ years building iOS, Android, Flutter and React Native apps — from concept to App Store, at scale.
I'm Ayush Kumar Sethi — a Mobile Technical Architect open to global opportunities, with a strong preference for remote-first and relocation-friendly roles worldwide.
My career spans the full mobile stack — from native iOS and Android to cross-platform Flutter, React Native and Capacitor. I've architected products used by 120 million people, led engineering teams, driven pre-sales engagements, and delivered across fintech, health tech, enterprise and consumer domains.
I actively leverage AI tools — Claude Code, ChatGPT, Codex, Cursor — as genuine productivity multipliers throughout the development lifecycle.
Lead architect on Outline — open-source VPN deployed across iOS, Android and macOS for millions of users worldwide.
Owned iOS architecture and delivery of 123Greetings — one of the world's largest e-greetings apps.
Architected BlueSensePlus — exclusive EV companion app with Apple Watch integration.
Integrated AI-assisted workflows across teams, improving code review efficiency and accelerating delivery cycles.
Deep across native and cross-platform, with architectural thinking at every layer.
Selected work across platforms, industries and continents.
Millions of users
High-security open-source VPN built with Capacitor for unified cross-platform deployment across iOS, Android and macOS. Deployed globally by organisations requiring secure communications.
EdTech
Enterprise learning and development platform offering gamified, microlearning-based training. Built cross-platform mobile apps delivering personalised learning journeys at scale.
News & Media
Digital transformation of one of India's leading Hindi newspapers. Architected mobile platform for daily news delivery, push notifications and offline reading across iOS and Android.
120M+ lifetime users
iOS lead on one of the world's largest e-greetings platforms. Owned architecture, feature delivery and App Store management. Integrated native advertising driving 30% uplift in ad revenue.
Mahindra XUV400
Exclusive connected car application for the Mahindra XUV400 electric vehicle, featuring Apple Watch app integration for seamless vehicle control and monitoring.
Logistics
Intelligent fleet risk management solution providing real-time visibility and control over business vehicles and drivers. Deployed across 500+ commercial vehicles.
15 years across product companies, service firms and global clients.
Architected and delivered Outline — a global high-security VPN across iOS, Android and macOS. Reduced build times by 20%, accelerated release cycles from monthly to 3-weekly. Leveraged Claude Code and ChatGPT throughout the lifecycle.
Led architecture and delivery of 8+ simultaneous client mobile projects across iOS, Android and Flutter. Drove 5+ pre-sales engagements. Introduced AI-assisted development, improving code review efficiency by 25%.
Designed and delivered 20+ mobile applications across fintech, health tech and enterprise domains. Coached 10+ developers, establishing Git workflows that reduced PR review time by 40%.
Developed mobile applications owning the full lifecycle from requirements through to App Store deployment. Maintained clean codebases using Git best practices, ensuring code quality and maintainability.
Led the development of 123Greetings — 120M+ lifetime users. Integrated native advertising driving a 30% uplift in app ad revenue within 3 months.
Developed native iOS applications using Xcode and Objective-C across multiple client domains.
Created Flash apps using ActionScript 3.0, building foundational skills in cross-platform interactive development.
Available for senior mobile engineering and technical leadership roles worldwide. Remote-first, open to relocation.
aks5686@gmail.com
LinkedIn
+91 80177 76984