Hi, I’m
Zain Haider
iOS Engineer Full-stack Developer Founder of Wapp LTD Team Lead iOS Engineer Full-stack Developer Founder of Wapp LTD Team Lead iOS Engineer Full-stack Developer Founder of Wapp LTD Team Lead
I build mobile products from the first document to the App Store: native iOS and Android apps, the backend behind them, and the admin tools teams run them with.
1+
Years Of Experience
1+
Projects Shipped
1%
Client Satisfaction
Selected Work
Things I’ve Built
My own products at Wapp LTD and work for clients, from a Canadian fintech to AI fitness and study apps. Most of these I built end to end, mobile, backend and web.
About me
Engineer first, product builder now
I started as an iOS developer and spent seven years building apps for telecoms, startups and agencies, including leading the move of a large Objective-C codebase to modern Swift. These days I run Wapp LTD, where my team and I ship our own apps and take on client products like PlusCredit. I still write code every week, and I care most about the parts users never see: clean architecture, solid security and releases that don’t break.
- Swift, SwiftUI
- Kotlin, Android
- Node.js, PostgreSQL, MongoDB
- React, Angular, Next.js
My Resume
Experience, education and awards
2025 - Present
Founder & CEO
Wapp LTDI founded Wapp LTD to build and ship our own mobile products and to take on client work end to end. I lead a team of full-stack developers and stay hands-on in the code.
Products we have launched:
- Vitalume, an AI nutrition and training coach for iPhone, Apple Watch and Android.
- PaperFlip, an AI flashcard app for web, iOS and Android.
- PDF Editor AI and BG Remover for iPhone and iPad.
Client work:
- PlusCredit, a Canadian credit-building fintech: iOS, Android, backend, admin panel, CRM and customer portal, with security handled end to end and the team managed from requirements to launch.
2022 - 2024 (2Y)
Senior Consultant Mobile Development
Systems LimitedI worked as offshore consultant at Etisalat, UAE. A leading telecommunications and internet service provider in the UAE, serving millions of users. I am part of the core iOS development team, contributing to critical app features, code reviews and performance enhancements.
Key Responsibilities:
- Collaborated on planning, designing, and implementing new iOS features.
- Managed Git merge requests and resolved code conflicts efficiently.
- Identified and fixed bugs to optimize app performance and stability.
Notable Achievements:
- Led the migration from legacy Objective-C MVC to modern Swift (MVVM CLEAN architecture).
- Achieved a 99.99%+ reduction in app crashes, significantly improving user experience and reliability.
2021-2022 (1Y 2M)
Senior iOS Developer | Mobile Team lead
PurelogicsOne of Pakistan’s top software solution providers with a global client base. I contributed to numerous iOS and backend projects, delivering innovative and scalable mobile solutions across diverse domains.
Key Responsibilities:
- Led a team of developers in building robust, high-quality iOS applications.
- Provided technical mentorship to enhance team skills and code quality.
- Participated in feature planning, architecture design, and app development.
- Managed project timelines, ensuring on-time and within-scope delivery.
- Collaborated closely with product owners, analysts, and QA teams to align technical execution with business goals.
- Conducted thorough code reviews for maintainability, scalability, and adherence to best practices.
- Stayed current with emerging trends in iOS development, integrating modern tools and techniques.
Notable Achievements:
- Developed IoT applications for vehicle tracking, geo-fencing, and in-vehicle location-based advertising.
- Delivered AR-based applications enhancing user engagement through immersive experiences.
- Built scalable social networking applications with clean architecture and optimized performance.
2017 - 2021 (3Y 8M)
Senior iOS Developer
Gordian SolutionsA Germany-based company specializing in on-demand delivery solutions. I contributed as a core iOS developer, building scalable and feature-rich mobile applications.
Key Responsibilities:
- Designed and developed advanced iOS applications with modern UI/UX.
- Collaborated with cross-functional teams to define, design, and implement new features.
- Optimized application performance and resolved critical bugs.
- Researched and integrated emerging technologies to enhance development efficiency.
Notable Achievements:
- Developed real-time on-demand delivery apps with live location tracking, integrated maps, secure payments, and rich push notifications.
- Implemented WatchOS functionality, enabling seamless communication between iPhone and Apple Watch apps.
2025 - 2026
Executive MBA (completed)
Valar University, Washington, USAValar Institute, Quantic School of Business and Technology focused on strategic leadership, innovation, and business growth. Completed in 2026, the program sharpened my decision-making, financial acumen, and ability to align technology solutions with business objectives.
2014 - 2018
BS In Information Technology
PUCIT, Lahore, Pakistan.BS in Information Technology, Punjab University College of Information Technology (PUCIT) built a strong foundation in software development, databases, networking, and system design. This degree equipped me with the technical and analytical skills essential for delivering effective and scalable technology solutions.
2025
Scholarship Award, Valar Institute, Quantic School of Business and Technology - USA
2025
Top rated plus - upwork
2020
GOLD MEDALIST, LAHORE SCIENCE EXHIBITION
My Skill Set
Skills and tools
The tools I use day to day. Most of my work is native iOS, with Android, backend and web around it.
Swift
100%
SwiftUI
100%
Objective-C
100%
GIT
100%
Automated Testing
100%
XCode cloud
100%
MVC, MVVM, VIPER, CLEAN
100%
SOLID Principles
100%
Combine
100%
GraphQL
100%
Local storage
100%
Firebase
100%
Rest APIs
100%
Sockets
100%
IoT (BLE, iBeacons)
100%
Augmented Reality
100%
Machine Learning
100%
In app purchases
100%
Maps
100%
Networking
100%
App Clips
100%
App Extensions
100%
VOIP
100%
Fintech
100%
Device sensors
100%
Health kit
100%
Push notifications
100%
Deep linking
100%
Encrypted Storage
100%
Associated Domains
100%
Apps Submission
100%
NodeJS
100%
MongoDB
100%
Express
100%
AWS (EC2, S3 Bucket)
100%
Services
How I can help you
Testimonials
What people say
A few words from founders and engineers I’ve worked with over the years.
I've worked with Zain Haider on various applications. I've found him a very hardworking and talented ios developer.
I've hired Zain Haider as an iOS Developer. His work on iOS projects is outstanding. Very talented resource that I'd highly recommend.
Over the years, we have worked for same company as iOS Developer, which gave me the opportunity to see his leadership and teamwork skills firsthand.
I highly recommend Zain as an exceptional iOS Developer. Zain is a skilled professional with a deep understanding of iOS development, including expertise in Swift and Objective-C. His ability to deliver high-quality code and collaborate effectively with cross-functional teams is truly impressive. Zain is a valuable asset to any organization looking for a talented iOS Developer.
Blog
Notes and articles
Get In Touch
Have an app in mind? Let’s talk
Tell me what you’re building and where you are with it, an idea, a spec or an app that needs rescuing. I’ll reply with honest next steps.
- 7+ years shipping mobile apps
- iOS, Android and web
- Backend, admin panels and CRMs
- Fintech, health and AI products