Apr 2025 – Sep 2025 · 5 mos · Berlin, Germany · Hybrid

• Working with the Core Protection team (Reverse Money Movement) for Refund and Returns.

Jan 2025 – Mar 2025 · 2 mos · Berlin, Germany · Remote

• Predictive AI Team (Core Modeling)

Oct 2022 – Jul 2024 · 1 yr 9 mos · Berlin, Germany

• Leading payments backend module in micro-services architecture; overseeing migration from monolith to micro-services.
• Enhancing team performance and productivity through proactive ideas for internal development process improvements.
• Acting as a bridge between technical and non-technical stakeholders for effective communication.
• Driving an engineering culture centered around good development principles and quality standards.
• Actively involved in the ongoing development of new features and bug fixing initiatives.

Apr 2021 – Sep 2022 · 1 yr 5 mos · Berlin, Germany

• Created, maintained, debugged, and tested software to enhance Payments module and related modules and services.
• Building, and designing Scalable APIs according to business needs for the Payments team.
• Worked on migration from monolith to micro-services architecture.
• Reviewed and improved continuous integration and deployment processes.
• Shaped and applied software standards, emphasizing clean code and proven optimization techniques.
• Contributed to defining requirements, creating software designs, and translating them into code.

Jul 2019 – Mar 2021 · 1 yr 8 mos · Berlin, Germany

• Collaborated with the Backend team to design and enhance the architecture.
• Conducted technology research and engineered comprehensive solutions to address challenges.
• Proposed and implemented performance optimizations and scaling strategies for improved efficiency.
• Worked with a cross-functional and self-organizing team to design and deploy iteratively in an Agile environment.
• Conducted code reviews to ensure adherence to clean code standards.
• Increased code coverage by writing test cases, ensuring the highest quality of code.
• Developed the new version of the Platform for trainers, members, and club owners.
• Designed the API for the mobile app, focusing on activity tracking and home workouts.
• Collaborated with various frontend teams (Web, Mobile, Station) for seamless integration.
• Assisted BI and Data Science teams in integrating smart features into the Platform.

Jun 2018 – Jul 2019 · 1 yr 1 mo · Egypt

• Conducted technology research and engineered comprehensive solutions to address various challenges.
• Proposed and implemented performance optimizations and scaling strategies for enhanced system efficiency.
• Contributed to the continuous improvement of the Skolera system.
• Collaborated with a cross-functional and self-organizing team, participating in the design and iterative deployments within an Agile environment.
• Conducted code reviews to ensure adherence to clean code standards.
• Increased code coverage by writing test cases, ensuring the highest quality of code.
• Developed APIs and web services used by front-end applications (web and mobile).
• Contributed to the development of the front-end web using Angular.

Nov 2017 – Jun 2018 · 7 mos · Egypt

• Worked with a leading on-demand delivery company in the Middle East, Carriage got acquired by Delivery Hero.
• Responsible for building internal tools, including operations and customer service software.
• Optimized driver algorithms and consumer-facing e-commerce applications.
• Developed the large-scale project trycarriage.com using Ruby On Rails.
• Worked on performance enhancements for the trycarriage.com project.
• Built both back-end and front-end pages for various applications.
• Developed APIs and web services used by front-end applications (web and mobile).
• Contributed to the development of the front-end web using Angular.

Jan 2014 – Nov 2017 · 3 yrs 10 mos · cairo

• Developed large-scale projects reyada.com and akhbarak.net using Ruby On Rails and Angular.
• Worked on performance enhancements for both websites to ensure optimal user experience.
• Collaborated with team members to deliver web solutions with a high level of quality.
• Engaged in effective communication with clients, understanding and addressing their requirements.
• Assisted junior resources, facilitating their learning and integration into the team.
• Conducted investigation of new paradigms and technologies, assessing their relevance.
• Shared acquired knowledge with team members to foster a collaborative learning environment.
• Participated in brainstorming and planning sessions, cooperating with the team to address challenges.
• Developed APIs and web services using JSON to facilitate seamless data exchange.

Jun 2013 – May 2014 · 11 mos · cairo

• Developed the online website elcinema.com, including its online booking system for cinemas.
• Implemented elcinema.com version 1 using the Codeigniter PHP framework.
• Upgraded to elcinema.com version 2, built on the Ruby On Rails framework.
• Worked on performance improving for the web and APIs.

Aug 2011 – Jul 2013 · 1 yr 11 mos

• Developed software UI using HTML5, CSS, JS, and jQuery.
• Utilized Ruby on Rails or Codeigniter frameworks to build the backend of the application.
• Implemented both front-end and back-end components for comprehensive software solutions.
• Built APIs and WebServices, supporting JSON and XML formats for seamless data exchange.