Available to hire
Hello! I’m Nabil, a Senior iOS Developer with 7 years of experience delivering high-quality, user-friendly, and scalable mobile applications. I excel at leading projects, mentoring junior developers, and collaborating with cross-functional teams to achieve business goals.
I’m passionate about crafting robust iOS solutions and continuously improving performance, maintainability, and user experience through pragmatic problem solving and mentorship.
Experience Level
Work Experience
iOS Team Lead at Codex Company
June 1, 2023 - PresentAssigned tasks and collaborated with the Product Owner to align deliverables with business goals. Led a major refactoring of the legacy application Mawed, resulting in a performance improvement of more than 70% and increased maintainability. Refactored source code, significantly enhancing performance, scalability, and reliability. Led and mentored a team of 4 developers, increasing feature delivery speed by 25%. Spearheaded CI/CD pipeline integration, accelerating release cycles by 40% and fortifying deployment reliability.
iOS Team Lead at Codex Company
June 1, 2023 - PresentAssigned tasks and collaborated with the Product Owner to align deliverables with business goals. Led a major refactoring of the Mawed legacy app, achieving a performance improvement of more than 70% and increased maintainability. Refactored source code to significantly improve performance, scalability, and reliability. Led and mentored a team of 4 developers, increasing feature delivery speed by 25%. Spearheaded CI/CD pipeline integration, accelerating release cycles by 40% and improving deployment reliability.
iOS Team Lead at Codex Company
June 1, 2023 - PresentLed a major refactoring of Mawed, achieving a 70% performance improvement and improved maintainability. Assigned tasks with Product Owner to align deliverables with business goals, mentored a team of 4 developers, and spearheaded CI/CD integration to accelerate release cycles by 40%.
iOS Team Lead at Codex Company
June 1, 2023 - PresentLed task assignment and collaboration with Product Owner to align deliverables with business goals. Orchestrated a major refactor of Mawed, boosting performance by over 70% and improving maintainability. Refactored core source to enhance performance and reliability. Mentored a team of 4 developers, increasing feature delivery speed by 25%. Spearheaded CI/CD integration, accelerating release cycles by 40% and strengthening deployment reliability.
iOS Team Lead at Codex Company
June 1, 2023 - PresentAssigned tasks and collaborated with the Product Owner to match deliverables with business goals. Led a major refactoring of the legacy Mawed, resulting in a performance improvement of more than 70% and increased maintainability. Refactored source code, significantly enhancing performance, scalability, and reliability. Led and mentored a team of 4 developers, increasing feature delivery speed by 25%. Spearheaded CI/CD pipeline integration, accelerating release cycles by 40% and fortifying deployment reliability.
iOS Team Lead at Codex Company
June 1, 2023 - PresentAssigned tasks and collaborated with the Product Owner to align deliverables with business goals. Led a major refactoring of Mawed, improving performance by over 70% and increasing maintainability. Refactored source code to enhance performance, scalability, and reliability. Led and mentored a team of 4 developers, increasing feature delivery speed by 25%. Spearheaded CI/CD pipeline integration, accelerating release cycles by 40% and fortifying deployment reliability.
Senior iOS Developer at SigmaTech Company
May 31, 2023 - October 10, 2025Delivered a multilingual Student Center app across 7 countries in 7 languages with 50,000+ active users. Improved performance (load time down 50%), reduced crashes by 30%, and implemented a feedback-driven development process increasing the app store rating to 4.8. Implemented a new in‑app purchases module, reducing user-reported bugs by 95%.
Senior iOS Developer at SigmaTech Company
May 1, 2023 - October 10, 2025Delivered a multilingual Student Center app serving 7 countries in 7 languages, adopted by 50,000+ active users. Enhanced app performance, reducing load time by 50% and improving user retention. Reduced app crash rate by 30% through refactoring and optimization of legacy code. Implemented a feedback-driven development process, increasing the overall app store rating to 4.8 stars. Successfully resolved payment issues by implementing a new in-app purchases module, leading to a 95% reduction in user-reported bugs.
Senior iOS Developer at SigmaTech Company
May 1, 2023 - October 10, 2025Delivered a multilingual Student Center app serving 7 countries in 7 languages, adopted by 50,000+ active users. Enhanced app performance, reducing load time by 50% and improving user retention. Reduced app crash rate by 30% through refactoring and optimization of legacy code. Implemented a feedback-driven development process, incorporating user suggestions into update cycles, increasing overall App Store rating to 4.8 stars. Resolved payment issues by implementing a new in-app purchases module, reducing user-reported bugs by 95%.
Senior iOS Developer at SigmaTech Company
May 1, 2023 - October 10, 2025Delivered a multilingual Student Center app across 7 countries in 7 languages, adopted by 50,000+ active users. Improved app performance, reducing load time by 50% and boosting user retention. Reduced crash rate by 30% through refactoring and optimization of legacy code. Implemented a feedback-driven development process, elevating app store rating to 4.8 stars. Resolved payment issues by introducing a new in-app purchases module, cutting user-reported bugs by 95%.
Senior iOS Developer at SigmaTech Company
May 1, 2023 - October 10, 2025Delivered a multilingual Student Center app serving 7 countries in 7 languages, adopted by 50,000+ active users. Enhanced app performance, reducing load time by 50% and improving user retention. Reduced app crash rate by 30% through refactoring and optimization of legacy code. Implemented a feedback-driven development process, incorporating user suggestions into the app update cycles, increasing the overall app store rating to 4.8 stars. Successfully resolved payment issues by implementing a new in-app purchases module, leading to a 95% reduction in user-reported bugs.
Senior iOS Developer at SigmaTech Company
May 1, 2023 - October 10, 2025Delivered a multilingual Student Center app serving 7 countries in 7 languages, adopted by 50,000+ active users. Enhanced app performance, reducing load time by 50% and improving user retention. Reduced app crash rate by 30% through refactoring and optimization of legacy code. Implemented a feedback-driven development process, increasing the overall app store rating to 4.8 stars. Resolved payment issues by implementing a new in-app purchases module, leading to a 95% reduction in user-reported bugs.
iOS Instructor at New Horizons
June 30, 2021 - October 10, 2025Delivered iOS development training to undergraduate students; assessed assignments and provided constructive feedback; mentored 3,000+ students, ensuring clear communication of complex iOS concepts.
iOS Instructor at New Horizons
June 1, 2021 - October 10, 2025Facilitated and delivered iOS development training programs to undergraduate students. Assessed and evaluated assignments, providing constructive feedback to improve technical proficiency. Delivered technical training and mentorship to 3,000+ students, ensuring clear communication of complex iOS concepts.
iOS Instructor at New Horizons
June 1, 2021 - October 10, 2025Delivered iOS development training programs to undergraduate students. Assessed and evaluated assignments, providing constructive feedback to improve technical proficiency. Delivered technical training and mentorship to 3,000+ students, ensuring clear communication of complex iOS concepts.
iOS Instructor at New Horizons
June 1, 2021 - October 10, 2025Delivered iOS development training programs to undergraduate students. Assessed and provided constructive feedback on assignments to improve technical proficiency. Mentored and trained 3,000+ students, ensuring clear communication of complex iOS concepts.
iOS Instructor at New Horizons
June 1, 2021 - October 10, 2025Facilitated and delivered iOS development training programs to undergraduate students. Assessed and evaluated assignments, providing constructive feedback to improve technical proficiency. Delivered technical training and mentorship to 3,000+ students, ensuring clear communication of complex iOS concepts.
iOS Instructor at New Horizons
June 1, 2021 - October 10, 2025Delivered iOS development training programs to undergraduate students; assessed and evaluated assignments, providing constructive feedback to improve technical proficiency. Delivered technical training and mentorship to 3,000+ students, ensuring clear communication of complex iOS concepts.
iOS Developer at Spark Cloud Company
December 31, 2020 - October 10, 2025Implemented core features such as payment gateway integrations and in‑app chat; optimized app performance, cutting load time by 50%; instituted Agile methodologies to accelerate delivery; redesigned UI with UI/UX collaboration, increasing user engagement by 30% and improving app store ratings.
iOS Developer at Spark Cloud Company
December 1, 2020 - October 10, 2025Implemented core features such as payment gateway integrations and in-app chat functionality. Optimized application performance, cutting load time by 50% and substantially boosting user satisfaction. Instituted agile methodologies to accelerate delivery and improve product iterations. Coordinated with UI/UX specialists to redesign the user interface, leading to a 30% increase in user engagement and positive app store ratings.
iOS Developer at Spark Cloud Company
December 1, 2020 - October 10, 2025Implemented core features such as payment gateway integrations and in-app chat functionality. Optimized application performance, reducing load time by 50% and boosting user satisfaction. Instituted agile methodologies to accelerate delivery and improve product iterations. Coordinated with UI/UX specialists to redesign the user interface, leading to a 30% increase in user engagement and positive app store ratings.
iOS Developer at Spark Cloud Company
December 1, 2020 - October 10, 2025Implemented core features such as payment gateway integrations and in-app chat functionality. Optimized app performance, reducing load time by 50% and increasing user satisfaction. Introduced Agile practices to speed up delivery and improve product iterations. Collaborated with UI/UX teams to redesign the interface, increasing user engagement and positive app store ratings by ~30%.
iOS Developer at Spark Cloud Company
December 1, 2020 - October 10, 2025Implemented core features such as payment gateway integrations and in-app chat functionality. Optimized application performance, cutting load time by 50% and substantially boosting user satisfaction. Instituted agile methodologies to accelerate delivery and improve product iterations. Coordinated with UI/UX specialists to redesign the user interface, leading to a 30% increase in user engagement and positive app store ratings.
iOS Developer at Spark Cloud Company
December 1, 2020 - October 10, 2025Implemented core features such as payment gateway integrations and in-app chat functionality. Optimized application performance, cutting load time by 50% and substantially boosting user satisfaction. Instituted agile methodologies to accelerate delivery and improve product iterations. Coordinated with UI/UX specialists to redesign the user interface, leading to a 30% increase in user engagement and positive app store ratings.
Education
Bachelor's Degree in Islamic Studies at Al-Azhar University
January 11, 2030 - October 10, 2025Bachelor’s Degree in Islamic Studies at Al-Azhar University
January 11, 2030 - October 10, 2025Bachelor’s Degree in Islamic Studies at Al-Azhar University
January 11, 2030 - October 10, 2025Bachelor’s Degree in Islamic Studies at Al-Azhar University
January 11, 2030 - October 10, 2025Bachelor’s Degree in Islamic Studies at Al-Azhar University
January 11, 2030 - October 10, 2025Bachelor's Degree in Islamic Studies at Al-Azhar University
January 11, 2030 - October 10, 2025Qualifications
Async/Await and Actors - Concurrency in Swift
January 11, 2030 - October 10, 2025SwiftUI – Declarative Interfaces for any Apple Device
January 11, 2030 - October 10, 2025Unit Testing Swift Mobile App
January 11, 2030 - October 10, 2025Async/Await and Actors - Concurrency in Swift
January 11, 2030 - October 10, 2025SwiftUI – Declarative Interfaces for any Apple Device
January 11, 2030 - October 10, 2025Unit Testing Swift Mobile App
January 11, 2030 - October 10, 2025Async/Await and Actors - Concurrency in Swift
January 11, 2030 - October 10, 2025SwiftUI – Declarative Interfaces for any Apple Device
January 11, 2030 - October 10, 2025Unit Testing Swift Mobile App
January 11, 2030 - October 10, 2025Async/Await and Actors - Concurrency in Swift
January 11, 2030 - October 10, 2025SwiftUI – Declarative Interfaces for any Apple Device
January 11, 2030 - October 10, 2025Unit Testing Swift Mobile App
January 11, 2030 - October 10, 2025Async/Await and Actors - Concurrency in Swift
January 11, 2030 - October 10, 2025SwiftUI – Declarative Interfaces for any Apple Device
January 11, 2030 - October 10, 2025Unit Testing Swift Mobile App
January 11, 2030 - October 10, 2025Async/Await and Actors - Concurrency in Swift
January 11, 2030 - October 10, 2025SwiftUI – Declarative Interfaces for any Apple Device
January 11, 2030 - October 10, 2025Unit Testing Swift Mobile App
January 11, 2030 - October 10, 2025Industry Experience
Software & Internet, Media & Entertainment, Professional Services, Education, Retail
Experience Level
Hire a App Developer
We have the best app developer experts on Twine. Hire a app developer today.