Selim M. Selim
Cairo
Summary
Senior Full Stack Software Engineer with over 6 years of experience in developing scalable applications using Node.js, Express.js, NestJS, React.js, Next.js, and Django. Instrumental in expanding a German community platform to over 50,000 users and securing over $500,000 in funding for a Singaporean e-commerce startup. Delivered secure cybersecurity tools at CyberX, utilized by major institutions such as Fawry and the Saudi Ministry of Defense.
Overview
5
5
years of professional experience
Work History
Senior Full Stack Software Engineer
Sociaity
02.2025 - Current
- Refactored and launched critical features, boosting community app engagement.
- Implemented repository, singleton, and strategy design patterns to ensure code cleanliness.
- Deployed RabbitMQ for efficient queue management, event handling, and background tasks.
- Established dead letter queue to enhance message processing reliability.
- Utilized gRPC for inter-service communication over HTTP/2, improving performance.
- Configured NGINX as a reverse proxy server and API gateway for optimal traffic routing.
- Implemented load balancers to distribute workloads and improve system stability.
- Developed automated scripts for system health monitoring and rapid anomaly detection.
- Mentored junior developers on coding techniques and project workflows effectively.
- Participated in Agile ceremonies, contributing to sprint planning and retrospective discussions.
- Designed databases and data models for efficient storage of application data.
- Monitored server resources for optimal performance and scalability of the system.
- Conducted code reviews to ensure quality standards and best practices were followed.
Full Stack Engineer / Technical Consultant
SellAbroad
01.2025 - 05.2025
- Worked with an Antler-backed startup to evolve their MVP into a production-grade product.
- Conducted code reviews to ensure quality and maintain coding standards.
- Implemented agile methodologies to streamline project workflows and communication.
- Mentored junior developers, providing guidance on best practices and problem-solving.
- Participated in team meetings to discuss project goals, timelines, and resource allocation.
- Analyzed customer feedbacks and recommended improvements accordingly based on their needs and preferences.
- Built systems for demand forecasting, product recommendations, and market-fit analysis for MENA e-commerce.
- Developed integrations with Meta, Google, TikTok for auto-generated, AI-enhanced campaign content.
- Contributed to a successful $500K+ raise within 3 months post-launch.
- Advised on team hiring and tech workflows; transitioned product to incoming CTO.
Senior Software Engineer
CyberX
01.2024 - 12.2024
- Developed cybersecurity awareness products and internal security tools using Node.js, Python, and Electron.js.
- Delivered secure, enterprise-grade solutions used by clients including Fawry, Faisal Islamic Bank, Saudi Ministry of Defense, Red Sea Global, and Shahid.
- Improved feature reliability and reduced critical issues through proactive code refactoring and performance tuning.
- Patching Cyber Vulnerabilities working closely with penetration testers.
Frontend Engineer (Part-Time)
Sigma Capital
01.2024 - 12.2024
- Accelerated delivery of time-sensitive updates to stock trading dashboards as an external contributor.
- Managed project documentation to ensure compliance with industry standards.
- Refactored legacy React.js components, improving maintainability and performance.
- Implemented real-time UI updates for market data feeds and price movements.
- Collaborated with product managers to deliver features under tight deadlines for investor-facing platforms.
Software Engineer promoted later to Team Lead
Kiro Travel
12.2021 - 12.2023
- Developed and scaled core features for transportation and booking platform using React.js and Django.
- Developed software solutions to enhance travel booking processes.
- Implemented code reviews to ensure software quality and maintainability.
- Utilized Agile methodologies to improve project delivery timelines.
- Troubleshot and resolved technical issues in production environments.
- Integrated third-party APIs to expand service offerings for clients.
- Built responsive, multilingual interfaces and RESTful APIs to support high daily traffic.
- Refactored legacy code and implemented component-based architecture to enhance reusability.
- Promoted to Team Lead; oversaw 18 engineers, conducted code reviews, sprint planning, and releases.
- Mentored junior developers, establishing clean code practices and documentation standards.
- Participated in regular meetings with stakeholders to discuss project progress, changes, challenges.
- Analyzed user requirements to develop software solutions and created technical specifications.
- Deployed applications on server machines with AWS
- Provided technical support and troubleshooting assistance for software users.
- Monitored software performance metrics to identify and resolve efficiency issues.
- Assisted in the estimation of project scopes and timelines during planning phases.
Full Stack Developer
GHT Software
03.2021 - 10.2021
- Built and maintained diverse web apps for clients in healthcare, logistics, HR, and other sectors.
- Delivered full-stack solutions using Node.js, React.js, Django, PostgreSQL, and MongoDB.
- Developed admin dashboards, analytics tools, and customer portals from scratch based on client specs.
- Integrated third-party APIs (Stripe, Twilio, Firebase) and built custom backend services.
- Worked in an agile team delivering frequent updates and handling full lifecycle from feature design to deployment.
- Ensured high-quality code with unit testing, REST best practices, and secure authentication flows.
Education
Node Js Backend Development Diploma Track -
Route Academy
01-2023
Bachelor of Computer Engineering -
Shoubra Benha Faculty of Engineering
01.2022
Skills
- JavaScript
- php
- TypeScript
- Python
- C
- SQL databases
- Reactjs and Nextjs
- Tailwind CSS
- Nodejs
- Expressjs
- NestJS
- Django
- laravel
- PostgreSQL and MySQL
- MongoDB
- AWS services (ECS, S3, RDS, Lambda, SQS, SNS)
- Docker and Redis
- GitHub Actions
- Socketio
- Electronjs
- RabbitMQ
- BullMQ
- Code review practices
- Real-time systems
- Data structures and algorithms
- Object-oriented programming
- Serverless architecture
- Leadership skills
- Agile methodologies
- Product thinking strategies
- Team mentoring
Timeline
Senior Full Stack Software Engineer
Sociaity
02.2025 - Current
Full Stack Engineer / Technical Consultant
SellAbroad
01.2025 - 05.2025
Senior Software Engineer
CyberX
01.2024 - 12.2024
Frontend Engineer (Part-Time)
Sigma Capital
01.2024 - 12.2024
Software Engineer promoted later to Team Lead
Kiro Travel
12.2021 - 12.2023
Full Stack Developer
GHT Software
03.2021 - 10.2021
Node Js Backend Development Diploma Track -
Route Academy
Bachelor of Computer Engineering -
Shoubra Benha Faculty of Engineering