Hello, i’m
Zain Haider
Senior IOS Developer Backend Developer Full-stack Developer Team Lead Senior IOS Developer Backend Developer Full-stack Developer Team Lead Senior IOS Developer Backend Developer Full-stack Developer Team Lead
Developing high-performance mobile applications with seamless functionality, lightning-fast performance, and intuitive modern design.
1+
Years Of Experience
1+
Project Complete
1%
Client Satisfactions
Latest Works
Explore Selected Projects
Review a curated selection of my most impactful projects, showcasing a strong emphasis on clean architecture, user-centric design, and high-performance execution tailored to real-world outcomes.
About me
Senior Software Engineer 7+ Years of Experience
Senior Mobile Developer with over 7 years of experience delivering high-quality iOS applications using Swift, SwiftUI, and modern architectural patterns. Skilled in building scalable solutions with clean, maintainable code, seamless UI/UX, and efficient backend integration. Dedicated to performance, reliability, and continuous improvement.
- Swift
- SwiftUI
- Objective-C
- Backend Development - NodeJS, Express, MongoDB
My Resume
Career Highlights: Experience, Education & Key Achievements
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 - continue
Executive MBA
Valar University, Washington, USAValar Institute, Quantic School of Business and Technology focused on strategic leadership, innovation, and business growth. This program enhanced 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
Core Skills Behind My Work
Combining deep technical expertise with creative problem-solving, my skill set represents a balance of experience, innovation, and commitment. Explore the capabilities that define my approach and consistently deliver impactful results across every project.
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%
What I Offer
My Core Services For your Business Development
Clients Testimonials
Trusted by 50+ Clients Worldwide
Gain insights from 50+ client reviews highlighting my commitment to quality, timely delivery, and impactful results. These testimonials reflect the trust and satisfaction built through successful collaborations across diverse industries.
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.
Get In Touch
Let’s Build Something Exceptional Together
With a solid foundation in mobile design, I transform ideas into impactful digital products through creative thinking, attention to detail, and tailored solutions.
- 7+ Years of Industry Experience
- Expert Mobile App Developer
- Full-Stack Development
- Backend Systems & API Development