Dharmendra K.

I build and modernize production-grade iOS and React Native mobile applications, APIs, and connected product experiences from the first architecture decision through development, integrations, App Store release, and ongoing scaling.

With 17,500+ Upwork hours, $300K+ earned, 100% Job Success, and Top Rated Plus status, I've worked on long-running mobile and backend engagements across iOS, React Native, APIs, real-time systems, payments, and connected applications.

What I can help you build

• Native iOS apps with Swift / Objective-C
• Cross-platform mobile apps with React Native / Ionic
• Mobile backends, REST APIs and third-party integrations
• AI-powered mobile features and AI/API integrations
• Real-time communication and event-driven functionality
• Payment and subscription integrations
• AWS/cloud-connected mobile applications
• Location, tracking, Bluetooth and connected-device experiences
• Existing app modernization, debugging and performance optimization
• App Store deployment and production support

Why clients continue working with me

My Upwork history includes multiple long-term engagements, including thousands of hours on native iPhone development, React Native mobile development, API/backend work, and healthcare-related applications.

Clients have specifically endorsed me for being reliable, collaborative, solution-oriented, committed to quality, accountable for outcomes, detail-oriented, and professional.

If you already have an app, API, product specification, or an idea that needs to become production-ready, I can help with the technical architecture, implementation, integrations, and delivery.

Let's build something reliable, scalable, and ready for real users.