I am Kareem Morsy Alhosiny, a Senior Front-End Engineer and Front-End Chapter Lead with +5 years of experience designing, building, and leading front-end systems across SaaS, PaaS, ERP, and AI-powered platforms. I focus on performance, scalability, and delivering production-grade front-end solutions. I thrive on mentoring engineers, collaborating with backend, DevOps, and product teams, and driving cross-team initiatives while staying hands-on with complex implementations. I enjoy shaping architecture and coding standards, guiding releases, and ensuring maintainable, scalable interfaces. I’m comfortable across the stack, from design to delivery, and I value clean collaboration with designers and product teams to create delightful user experiences.

Kareem Morsy Alhosiny

I am Kareem Morsy Alhosiny, a Senior Front-End Engineer and Front-End Chapter Lead with +5 years of experience designing, building, and leading front-end systems across SaaS, PaaS, ERP, and AI-powered platforms. I focus on performance, scalability, and delivering production-grade front-end solutions. I thrive on mentoring engineers, collaborating with backend, DevOps, and product teams, and driving cross-team initiatives while staying hands-on with complex implementations. I enjoy shaping architecture and coding standards, guiding releases, and ensuring maintainable, scalable interfaces. I’m comfortable across the stack, from design to delivery, and I value clean collaboration with designers and product teams to create delightful user experiences.

Available to hire

I am Kareem Morsy Alhosiny, a Senior Front-End Engineer and Front-End Chapter Lead with +5 years of experience designing, building, and leading front-end systems across SaaS, PaaS, ERP, and AI-powered platforms. I focus on performance, scalability, and delivering production-grade front-end solutions. I thrive on mentoring engineers, collaborating with backend, DevOps, and product teams, and driving cross-team initiatives while staying hands-on with complex implementations.

I enjoy shaping architecture and coding standards, guiding releases, and ensuring maintainable, scalable interfaces. I’m comfortable across the stack, from design to delivery, and I value clean collaboration with designers and product teams to create delightful user experiences.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

Arabic
Fluent
English
Fluent

Work Experience

Front-end Developer at Reachware Company
November 1, 2024 - Present
Led front-end development for an iPaaS platform (Reachware Studio), building complex Next.js and TypeScript applications, improving scalability through modular architecture. Spearheaded project restructuring, reducing technical debt and enhancing maintainability with standardized coding practices.
Front-end Developer at We Code For You
November 1, 2024 - September 23, 2025
Spearheaded the development of complex front-end applications using React and TypeScript, focusing on building scalable and high-performance solutions. Optimized UI/UX with UI/UX collaboration and ensuring cross-browser compatibility.
Front-end Developer at Ilead Integrated Solutions Company
February 10, 2023 - September 23, 2025
Optimized project layouts and implemented SEO best practices to improve user experience (UX) and search engine visibility. Collaborated with UI/UX teams to enhance aesthetics and usability. Integrated front-end with back-end services to ensure smooth data flow and reliability. Mentored junior developers and conducted code reviews to maintain high code quality. Implemented performance optimization techniques to improve app speed and efficiency.
Front-end Developer
December 1, 2021 - September 23, 2025
Delivered pixel-perfect designs using Bootstrap and jQuery, meeting client specs.
Front End Developer at Reach ware company
November 1, 2024 - Present
Led front-end development for an iPaaS platform (Reach ware Studio), building complex Next.js and TypeScript applications, improving scalability through modular architecture. Drove code quality and maintainability with standardized coding practices. Mentored junior developers, guided code reviews, and collaborated with cross-functional teams to deliver high-performant interfaces.
Front-end Developer at WeCodeForYou
November 1, 2024 - September 23, 2025
Led development of complex front-end applications using React and TypeScript, focusing on building scalable and high-performance solutions. Built responsive user interfaces, integrated RESTful APIs, and ensured cross-browser compatibility; collaborated with UI/UX teams to enhance aesthetics and usability.
Frontend Developer at Ilead Integrated Solutions Company
October 1, 2023 - September 23, 2025
Implemented new features and enhanced existing functionalities to improve user engagement using React and Next.js. Translated UI/UX mockups into pixel-perfect interfaces, achieving full design fidelity across browsers. Collaborated with backend developers to integrate RESTful APIs and optimize data retrieval. Mentored junior developers and conducted code reviews to maintain high code quality.
Frontend Developer at 5G Design Company
December 1, 2021 - September 23, 2025
Delivered pixel-perfect designs using Bootstrap and jQuery, meeting client specifications. Contributed to team best practices, streamlining code review cycles through standardized documentation.
Senior Front-End Engineer at Reachware Studio (IPaaS platform)
November 1, 2024 - Present
Led the Front-End Chapter across multiple teams, defining coding standards, architectural guidelines, and best practices applied organization-wide. Took ownership of a large-scale front-end refactor for Reachware Studio, significantly reducing technical debt and improving maintainability. Collaborated closely with backend, DevOps, and product teams to ensure stable releases and aligned system evolution.
Front-End Developer at WeCodeForYou
November 1, 2023 - November 1, 2024
Led development of complex front-end applications using React and TypeScript, focusing on building scalable and high-performance solutions. Built responsive web applications with cross-browser compatibility.
Front-End Developer at I Lead Integrated Solutions Company
January 1, 2022 - October 1, 2023
Implemented new features and enhanced existing functionalities to improve user engagement using React and Next.js.
Front-End Developer at 5G For Design Company
June 1, 2020 - December 1, 2021
Built responsive web applications for international clients, ensuring cross-browser compatibility.
Senior Front-End Engineer at Reachware Company
November 1, 2024 - Present
Led the Front-End Chapter across multiple teams, defining coding standards, architectural guidelines, and best practices across the organization. Took ownership of a large-scale front-end refactor for Reachware Studio (iPaaS platform), significantly reducing technical debt and improving maintainability. Collaborated closely with backend, DevOps, and product teams to ensure stable releases and aligned system evolution. Mentored junior developers and conducted code reviews to maintain high code quality.
Front End Developer at WeCodeForYou
November 1, 2023 - November 1, 2024
Led the development of complex front-end applications using React and TypeScript, focusing on building scalable and high-performance solutions. Built responsive, cross-browser interfaces and collaborated with UI/UX designers to deliver intuitive user experiences.
Front End Developer at ILead Integrated Solutions
January 1, 2022 - October 1, 2023
Implemented new features and enhanced existing functionalities to improve user engagement using React and Next.js. Collaborated with UI/UX design teams to enhance aesthetics and usability of web applications, ensuring seamless data flow with back-end systems for performance and reliability.
Front End Developer at Mansoura
June 1, 2020 - December 1, 2021
Delivered pixel-perfect designs using Bootstrap and jQuery, meeting client specifications. Contributed to team best practices and streamlined code review cycles through standardized documentation.
Front-End Developer at WeCodeForYou Company
November 1, 2023 - November 1, 2024
Led the development of complex front-end applications using React and TypeScript, focusing on building scalable and high-performance solutions. Optimized project layouts and implemented SEO best practices to improve UX. Collaborated with UI/UX designers to enhance aesthetics and usability. Implemented RESTful API integration. Mentored junior developers and conducted code reviews.
Front-End Developer at Integrated Solutions Company
January 1, 2022 - October 31, 2023
Implemented new features and enhanced existing functionalities to improve user engagement using React and Next.js. Translated UI/UX mockups into pixel-perfect interfaces. Integrated RESTful APIs and optimized data retrieval. Built responsive web applications for international clients.

Education

Bachelor's Degree in Computers and Control Systems at Mansoura University, Faculty of Engineering
September 1, 2013 - July 3, 2018
IT Certification in Front End Development at Mansoura Branch
January 1, 2018 - March 1, 2025
Bachelor of Engineering in Computers and Control Systems at Mansoura University
January 11, 2030 - January 1, 2018
ITI Certification in Front-End Development at Mansoura Branch
January 1, 2018 - April 7, 2026
Bachelor's Degree in Computers and Control Systems at Mansoura University
January 11, 2030 - January 1, 2018
IT Certification in Front-End Development at Mansoura Branch
January 1, 2018 - January 1, 2018
Bachelor of Engineering in Computers and Control Systems at Mansoura University, Faculty of Engineering
January 1, 2014 - January 1, 2018
ITI Certification in Front-End Development at Mansoura Branch
January 1, 2018 - January 1, 2018

Qualifications

ITI Certification in Front-End Development
January 1, 2018 - April 7, 2026
Bachelor's Degree in Computers and Control Systems
January 11, 2030 - January 1, 2018
IT Certification in Front-End Development
January 1, 2018 - January 1, 2018
ITI Certification in Front-End Development
January 11, 2030 - April 7, 2026

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Education, Other