AMMAR
YASSER
Principal Full-Stack Engineer
ammar.yasseer.mohamed@gmail.com | +201012941239
Alexandria
WWW: linkedin.com/in/ammar-yasseer
Portfolio: ammar-yasser.me
PERSONAL SUMMARY
Experienced with complex full stack development, combining robust back-end logic with intuitive front-end interfaces. Proven track record of architecting and delivering high-performance, scalable web applications using modern frameworks and libraries. Expert in integrating APIs, optimizing database performance, and implementing security best practices to ensure data integrity and exceptional user experience. Skilled in leading technical teams and collaborating across departments to align development efforts with business objectives.
SKILLS
WORK HISTORY
Principal Full-Stack Engineer | First Code - Remote
Jun 2025 - Current- Led technical strategy and architecture for the entire organization, establishing microservices architecture that improved system scalability by 300% and reduced deployment time by 60%.
- Architected and implemented enterprise-grade full-stack solutions using React/Next.js frontend with Node.js/Express backend, resulting in 40% improvement in application performance and 50% reduction in page load times.
- Established comprehensive technical standards and coding practices, implementing CI/CD pipelines with GitHub Actions that increased deployment frequency by 200% and reduced production bugs by 70%.
- Designed and optimized database architecture using PostgreSQL with advanced indexing strategies and Redis caching, achieving 80% improvement in query performance and supporting 10,000+ concurrent users.
- Implemented security best practices including JWT authentication, rate limiting, and data encryption, achieving SOC 2 compliance and reducing security vulnerabilities by 90%.
- Led cross-functional teams of 8+ developers, conducting code reviews, technical mentoring, and architectural guidance that improved team productivity by 45% and code quality scores by 60%.
- Optimized cloud infrastructure on AWS using Docker containers and Kubernetes orchestration, reducing infrastructure costs by 35% while improving system reliability to 99.9% uptime.
- Pioneered automated testing strategies with Jest, Cypress, and API testing frameworks, achieving 95% test coverage and reducing regression bugs by 75%.
Principal Full-Stack Engineer | iHealth and Wellness Foundation
Feb 2024 - Aug 2025- Spearheaded the development of the Education platform for iHealth, establishing a microservices architecture that improved scalability by 200% and decreased latency by 40%.
- Architected and executed a comprehensive full-stack solution, seamlessly integrating React and Next.js frontend with a Node.js/Express backend, resulting in a 35% improvement in application performance.
- Led cross-functional collaboration with product managers, designers, and backend teams to define technical architecture and feature roadmaps, resulting in on-time delivery of all project milestones.
- Refactored and optimized legacy codebases, reducing technical debt by 45% and improving application efficiency by 30% while enforcing industry-standard coding practices.
- Designed robust integrations with third-party APIs and services, enhancing the platform's data accessibility by 60% and automating key workflows that lowered manual processes by 75%.
Web Developer | Freelance Web Developer
Jan 2020 - Current- Designed and developed 15+ high-performing web applications that transformed client workflows, resulting in an average 40% increase in operational efficiency
- Constructed modular and responsive user interfaces with ReactJS, successfully integrating 100+ distinct components while applying a component library that lessened development time by 35%
- Revolutionized backend architecture by implementing GraphQL and NestJS, increasing data query efficiency by 30% and reducing API response times by 45%
- Established strategic partnerships with cross-functional teams to troubleshoot complex issues and refine software solutions, resulting in 90% client satisfaction rates
- Implemented comprehensive code review processes that ensured adherence to best practices, optimized performance metrics, and reduced technical debt by 20%
- Executed successful migration of 5 legacy systems to modern frameworks, improving maintainability scores by 65% and enhancing scalability for future growth
- Pioneered automated testing protocols that increased deployment accuracy by 85% and reduced bug occurrences by 40%, significantly improving product quality
Full-Stack Developer | Mensa Philosophical Circle - Remote
Oct 2023 - Dec 2024- Architected and delivered a comprehensive education platform tailored for educational institutions, featuring customizable learning management modules that increased student engagement by 45%
- Optimized backend infrastructure using NestJS and PostgreSQL with advanced indexing strategies, reducing response time by 20% and improving system reliability under peak loads
- Implemented enterprise-grade real-time communication tools, including WebSocket-based chat and notification systems that enhanced user collaboration by 60%
- Designed and deployed multi-tenant architecture with robust data isolation, enabling seamless scalability to support 200+ institutions with unique configurations and over 50,000 concurrent users
- Championed accessibility improvements by implementing WCAG 2.1 standards and responsive design principles, achieving 98% compliance and delivering a seamless user experience across all devices
EDUCATION
May University in Cairo (MUC) - Cairo
Bachelor of Engineering (BE): Computer Engineering
OTHER
Key Projects: Architected and deployed enterprise-scale applications serving 100,000+ users with 99.9% uptime; Developed comprehensive Health Education Platform with AI-powered content recommendations achieving 85% user engagement; Engineered secure Payment Gateway integration supporting 15+ payment providers with 99.99% transaction success rate; Built scalable Product Management Systems for e-commerce clients improving sales performance by 200%; Created advanced Moles Detection and Analysis application using deep learning algorithms with 95% accuracy; Developed interactive Pathfinding Visualizer with multiple algorithms (A*, Dijkstra, BFS) used by 10,000+ developers; Designed and implemented real-time collaboration tools with WebSocket technology supporting 500+ concurrent users; Led migration of legacy monolithic systems to microservices architecture reducing deployment time by 80%; Established comprehensive CI/CD pipelines reducing production bugs by 70% and deployment frequency by 300%; Active contributor to 20+ open-source projects including React Toast Plus library; Certified AWS Solutions Architect and Azure Developer with expertise in cloud-native applications; Speaker at 5+ tech conferences on topics including microservices, performance optimization, and modern web development; Mentor to 15+ junior developers and technical lead for 3 successful startup accelerators; Developed comprehensive Stores ERP system with inventory management, POS integration, and analytics dashboard serving 500+ retail locations; Built ERP Creator platform enabling businesses to customize and deploy enterprise resource planning solutions with 90% faster implementation time; Created Org Creators platform for organizational management with role-based access control, workflow automation, and real-time collaboration features; Engineered live streaming and video platform with WebRTC technology supporting 10,000+ concurrent viewers, chat functionality, and content monetization features.