Lead React Native Engineer · Mobile Architect · AI Enthusiast
10+ years building high-performance mobile applications used by thousands worldwide. I specialize in React Native, iOS, WebRTC, AI-powered apps and cross-platform mobile architecture.
React Native development · Architecture reviews · Team leadership · AI consulting.
See servicesPassionate mobile engineer delivering secure, scalable, and high-performance apps. I lead engineering teams, design architectures, and mentor developers building production-grade React Native.
The 30-second pitch — what you'd get on day one.
Levels are based on hands-on production experience.
A typical end-to-end stack I design, build and operate. Hover any layer for the tooling I reach for.
Process, not theatre. The repeatable loop that takes a feature from idea to a happy user.
A peek at recent projects — each one tells a Challenge → Solution → Impact story. Tap any card for the full case study.
I bring AI deep into the development loop and into the apps themselves — from agentic workflows to on-device intelligence.
From iOS developer to mobile architect — each step a deliberate progression.
Swift + Objective-C, shipping native iOS apps.
Moved into cross-platform mobile, first production RN apps.
Architecture ownership and tougher native bridge work.
Leading a team of 10+ engineers, owning architecture & delivery.
Bringing AI agents into the mobile development loop.
Code I've shared, libraries I maintain, and what I'm building in the open.
Engagements range from a few-day audit to a multi-month engineering partnership.
Cross-platform iOS + Android apps, built from scratch or rescued.
Audit your mobile codebase for scalability, performance and team velocity.
Quality, security and performance pass with actionable findings.
1:1 and team-wide coaching for engineers and tech leads.
From idea to shipped: LLM features, agents, on-device inference.
Realtime video, audio and screen-sharing in mobile apps.
A few words from the people I've shipped with.
"Viraj consistently delivers high-quality solutions and demonstrates excellent leadership. He raises the bar for the whole team."
Long-form posts on mobile engineering, AI, WebRTC and team leadership.
Hard-won lessons from leading a React Native team across multiple time zones, shipping production apps used by hundreds of thousands of users.
Read articleHow to architect a React Native app that combines cloud LLMs with on-device inference for private, fast, offline-friendly AI features.
Read articleNotes from shipping a production-grade WebRTC video calling stack in React Native: TURN servers, signaling, and the bugs nobody warns you about.
Read articleHave an app idea, a tricky React Native problem, or a role to fill? I'd love to hear about it.