Karim Elshimi Email & Phone Number

Riyadh, Sa

Riyadh, Sa

Cairo, Egypt

As one of the founders and the tech guru at PayLi, I'm always juggling different roles. My main job is to make sure our tech runs smoothly, so we can build financial tools that are safe, reliable, and super helpful for freelancers in the MENA region. I work closely with our awesome team of developers, designers, and product managers to turn our ideas into reality. We're all about giving freelancers the tools they need to thrive.At PayLi, it's not just about technology; it's about making a real difference in people's lives. I love building a product that doesn't just work but actually helps people. Whether I'm designing our systems, guiding our development, or mentoring our team, I'm always focused on creating a workplace that's full of creativity, collaboration, and excellence.Being part of PayLi from the very beginning has been an amazing journey. It's a place where challenges become opportunities, and everyone celebrates our successes together. As we continue to grow, I'm excited about what the future holds and the positive impact we're making.

Cairo, Egypt

Riyadh, Saudi Arabia

Riyadh, Saudi Arabia

• Define and lead the QA strategy for web, mobile, and backend systems, ensuring high-quality learning experiences.• Implement automated testing frameworks, reducing manual testing and enhancing scalability.• Collaborate with product, development, and instructional teams to align on quality standards and educational objectives.• Oversee testing across all platforms, ensuring consistency in student, teacher, and admin interfaces.• Mentor the QA team, promoting best practices and continuous improvement.• Manage end-to-end test plans, considering peak usage and device compatibility.• Ensure accessibility and usability compliance with educational standards.• Lead performance and security testing, ensuring platform scalability and data protection.• Ensure seamless content delivery by working with instructional content creators.• Drive testing in continuous integration processes for stable, uninterrupted releases.• Leverage user feedback and metrics to improve platform quality and the learning experience.

California, United States

• Architect and implement high-performance VR/AR applications for Meta Quest, focusing on optimizing graphics rendering, interaction models, and user interfaces to deliver immersive experiences.• Collaborate with multidisciplinary teams (including product managers, designers, and hardware engineers) to define technical requirements and design specifications that align with product vision and user needs.• Develop and maintain robust codebases using C++ and/or C# with Unity/Unreal Engine, ensuring code quality through best practices such as code reviews, automated testing, and continuous integration.• Optimize performance by profiling and analyzing application behavior, identifying bottlenecks, and implementing solutions to enhance frame rates, reduce latency, and improve memory usage in VR environments.• Debug complex issues related to VR/AR functionality, including graphics, input handling, and sensor integration, utilizing tools such as debuggers, profilers, and logging frameworks.• Lead architectural discussions around system design, data flow, and resource management to ensure scalability and maintainability of the VR applications as they evolve.• Mentor junior engineers, providing guidance on VR development best practices, code optimization techniques, and fostering a culture of technical excellence within the team.• Stay current with industry trends in VR/AR technologies, exploring new tools, frameworks, and methodologies to enhance Meta Quest's offerings and maintain a competitive edge.• Contribute to the development of internal tools and libraries that improve the efficiency of the development process, including asset management, debugging utilities, and performance monitoring systems.

Cairo, Egypt

• Lead the design and architecture of complex, scalable systems, ensuring that technical solutions align with both business needs and long-term strategic goals.• Oversee and guide the development process across the full stack, ensuring both front-end and back-end solutions are efficient, maintainable, and secure.• Mentor and guide engineering teams, providing technical leadership and fostering the growth of junior and mid-level developers through code reviews, technical guidance, and career development.• Collaborate with cross-functional teams (product managers, designers, and stakeholders) to translate business requirements into technical plans and ensure timely delivery of features.• Own the technical quality of the codebase, enforcing coding standards, best practices, and conducting comprehensive code reviews.• Lead the implementation of testing strategies, ensuring robust unit, integration, and end-to-end testing to guarantee the stability and performance of applications.• Drive continuous integration and deployment processes, optimizing workflows for efficiency, reliability, and automation.• Resolve complex technical issues, providing high-level troubleshooting for critical systems and ensuring minimal downtime.• Influence and contribute to high-level architectural decisions, making decisions on new technologies, frameworks, and technical direction for the team or organization.• Take ownership of projects from conception to production, ensuring alignment with project timelines, managing risks, and communicating progress to stakeholders.

Cairo, Egypt

- Facilitated student learning as a Coding Instructor at Arab Open University, specializing in Web Development.- Created a effective learning environment by incorporating hands-on projects, real-world examples, and collaborative coding exercises.- Mentored students facing challenges, debugging code.- Actively participated in curriculum development, offering insights to improve course content and delivery methods.- Designed and assessed projects and exams to gauge student comprehension effectively.

• Develop and maintain full-stack applications, focusing on both front-end and back-end tasks.• Collaborate closely with product managers and other engineers to define and implement technical solutions.• Write clean, efficient, and scalable code while adhering to coding standards and best practices.• Review and improve the codebase through peer code reviews and feedback.• Mentor junior developers by providing guidance and sharing best practices.• Debug and resolve complex technical issues to ensure smooth application performance.• Participate in project planning and architecture discussions, contributing to technical decision-making.• Continuously improve systems by optimizing performance and refactoring code where necessary.

- Software Development Engineer Intern with experience in Java, Python, and the Spring Framework. Passionate about solving problems and delivering efficient solutions.- Committed to clean code, rigorous testing, and collaborative development practices aligned with Amazon's standards.

• Build and maintain key features of web applications on both the front-end and back-end, taking more responsibility for larger portions of the codebase.• Design and implement user interfaces with modern web technologies, ensuring responsive, accessible, and user-friendly experiences.• Develop and integrate server-side logic and APIs, with more focus on performance, scalability, and efficient database interactions.• Write clean, efficient, and maintainable code, adhering to industry best practices and internal standards for quality and security.• Work closely with cross-functional teams, including designers, product managers, and other engineers, contributing to technical discussions and providing input on project scope and requirements.• Improve testing practices by contributing to unit, integration, and end-to-end tests to ensure robustness and catch issues early.• Utilize and contribute to CI/CD pipelines, ensuring smooth and automated deployment processes.• Troubleshoot and resolve more complex issues, taking on more responsibility for debugging and performance optimization.• Mentor junior developers, offering guidance and support on coding best practices, though with less formal leadership responsibility compared to senior engineers.• Collaborate on architectural decisions, providing feedback and suggestions to improve the overall structure and scalability of the system.

Cairo, Egypt

• Build and maintain web applications, working on both client-side and server-side functionalities.• Implement user interfaces using modern web technologies to ensure responsive and intuitive designs.• Develop server-side logic, RESTful APIs, and database interactions.• Write clean, scalable, and efficient code, ensuring maintainability and security.• Work closely with designers, product managers, and other engineers to gather requirements, design solutions, and ensure smooth implementation.• Ensure robust testing to identify and resolve bugs and performance issues.• Utilize version control systems and participate in continuous integration/continuous deployment pipelines.• Analyze technical problems and provide solutions that are efficient and aligned with business goals.

Doing some small tasks, such as increasing followers, develope simple codes, and create designs

Tech Channel

Tech Blog

Bachelor Of Science - Bsc, Computer Science, Gpa : 3.61

Bachelor Of Science - Bsc (Hons), Computer Science, Gpa 3.61

Activities and Societies: ● President of Student Union at Arab Open University , Cairo September 2019 — August 2020 ● Head of Information.

Professional Diploma, Mobile Development Android Track ( Native )

An online diploma offered by the ITI Institute in cooperation with the Arab Open University - AOU ( Egypt )

Professional Diploma, Web Development Track, Excellent In Gradation Project (L1,L2,L3)