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Nikhil Dhiman - iOS Developer

Qara App

Secure, Real-Time VoIP Calling App Powered by Linphone and XMPP


  • Built a full-featured VoIP iOS app integrating Linphone SDK and XMPP protocol, enabling secure, high-quality audio calls with end-to-end encryption.
  • Engineered real-time signaling and messaging system over XMPP, supporting 99.9% call connection reliability across varying network conditions.
  • Optimized audio latency and background calling capabilities, reducing average call setup time by 35% and improving user retention by 25% month-over-month.

Tech Stack: UIKit, Linphone iOS SDK, XMPP, Firebase, RestAPI, CallKit, Notification Service Extension, Background Modes, AirPlay Support








Tamarran App

All-in-One Sports Booking and Event Management App for Athletes and Facilities


  • Built a cross-platform mobile app enabling users to book 100+ sports facilities, manage teams, and join events seamlessly across Bahrain.
  • Integrated real-time scheduling, payment, and notification systems, increasing user retention by 40% and reducing booking conflicts by 70%.
  • Scaled infrastructure to support 10,000+ monthly active users, with streamlined UI/UX that boosted session engagement by 35%.

Tech Stack: UIKit, Health Kit, Real Time Notification, Collection View, Table View, MVVM








Amaze Mobility App

Integrated MaaS App Offering Seamless Multimodal Travel Across Amsterdam


  • Developed a user-centric mobility platform aggregating public transport, bike, car, and ride-sharing options into a single, real-time planning interface.
  • Developed a user-centric mobility platform aggregating public transport, bike, car, and ride-sharing options into a single, real-time planning interface.
  • Integrated live transit data APIs and sustainable mobility insights, contributing to a 20% increase in eco-friendly transport usage within pilot regions.

Tech Stack: Swift, UIKit/SwiftUI, MapKit, CoreLocation, Alamofire, Firebase, Stripe SDK, REST APIs, Almofire








Discounti App

Smart Deals and Loyalty App Connecting Users with Local Discounts Across Jordan


  • Developed an iOS app that aggregates real-time local discounts and loyalty offers, helping users save at 500+ partner businesses across Jordan.
  • Integrated location-based deal discovery using CoreLocation and Firebase, increasing user engagement by 40% through personalized recommendations.
  • Implemented offline caching with Realm, reducing app load times by 30% and ensuring seamless access to deals even without internet connectivity.

Tech Stack: Swift, UIKit, CoreLocation, Firebase, REST APIs, Alamofire, Realm








Asapp App

End-to-End Food Delivery App with Real-Time Order Tracking and Restaurant Integration


  • Built a robust food delivery iOS app with real-time order tracking and integrated restaurant management, supporting 1000+ daily transactions.
  • Implemented seamless in-app payments using Stripe SDK, reducing checkout time by 40% and increasing completed orders by 30%.
  • Integrated push notifications and live delivery status updates, enhancing user retention by 25% within the first 3 months post-launch.

Tech Stack: Swift, UIKit, MVVM architecture, CoreLocation, Firebase, Stripe SDK, Alamofire, RESTful APIs, CoreData, Push Notifications, Background Tasks
Tool

My iOS Development Expertise Includes, but Is Not Limited To

Swift & iOS Frameworks

Hands-on experience building iOS apps using Swift, SwiftUI, CoreData, and Combine for scalable, responsive user experiences.

Location & Maps Integration

Implemented advanced location features using Core Location and MapKit, enabling real-time tracking and interactive map experiences in iOS apps.

Networking & API Integration

Engineered seamless networking and API integration using URLSession and Alamofire to enable real-time data exchange in iOS apps.

App Distribution & CI/CD

Cloud-native data engineering on AWS, GCP & Azure Services.

My Reviews

What people say about
working with me

Dr. Armando Beltran

Assistant Professor of Computer Science

Nikhil has consistently distinguished himself through his exceptional programming skills, critical thinking, and advanced mathematical knowledge, which are essential for solving complex problems in artificial intelligence. His academic performance in these courses has been outstanding, and based on his achievements, I would rank him in the top 1% of all students I have taught at Cal State LA.

Chandrapal Singh

Director & Co-Founder

I’m happy to working with Nikhil, he is having a good problem solving skill. I recommend him and his team.

Abichal Jha

iOS Developer @ Gartner

Nikhil is one of the best among all the people I have ever worked with. As I remember,he was a very productive person, hardworking, broad-minded and forward thinking individual. Intelligent, ambitious, energetic and proactive perfectionist. Desire for proficiency and education makes him a valuable asset to the team. Working with him is a signature of success.

Upendra Kumar Tiwari

Data Scientist | Machine Learning Engineer

You have been the hard working and sincere student of mine. whichever assignment was given to you, you completed them within time. The characteristic that you posses is your hardwork, always trying to learn new technology and your simplicity will always help to reach your goal.

Michael Hassey

Chief Technical Officer

I had the pleasure of working with Nikhil on the MPC project, where his technical expertise, proactive problem-solving, and collaborative mindset were truly remarkable. He consistently demonstrated a deep understanding of complex systems, offering innovative solutions that drove the project's success. Nikhil's ability to communicate effectively and his dedication to delivering high-quality results made him an invaluable team member. It was an absolute privilege to work alongside someone so skilled and committed, and I highly recommend him for any future opportunities.

Counters

Driven by passion, defined by results

A results-driven engineer with 4+ years of experience turning complex problems into simple, impactful solutions across software, mobile, data, and AI.

150+

Global collaboration across roles and domains, fueled by cross-functional teamwork.

10+

Awards & recognitions for innovation, dedication, and impact acros projects and teams.

12+

Successfully completed projects spanning multiple domains and industries

8+

Client and Employer reviews reflecting trust, satisfaction, and success

Contact Me

Got a question or an idea? Feel free to reach out! Fill out the form below, and I’ll get back to you soon.

  • United States of America (USA)

  • hello@nikhildhiman.me