Abdalla Abdulsayyid
Sr. Software Developer
Vienna
Summary
Accomplished Senior Backend Developer with over 7 years of experience specializing in designing scalable architectures, implementing complex software solutions, and leading technical teams. Proven expertise in PHP, Symfony, Laravel, and Golang, with a strong background in cloud services and DevOps practices. Adept at translating business requirements into robust technical solutions, optimizing performance, and enhancing operational efficiency.
Technical Skills
• Languages & Frameworks: PHP, Golang, JavaScript, TypeScript, Symfony, Laravel, Node.js, Angular, React, React Native, Next.js, Nuxt.js, Meteor.js
• Databases: MySQL, PostgreSQL, MongoDB, Firebase
• Cloud & DevOps: AWS (EC2, S3, RDS, Lambda, SNS, SQS, EBS), Docker, Kubernetes, CI/CD, Nginx
• Tools & Platforms: Laravel Nova (Admin Panel), Kafka, Redis, Elasticsearch, Git, GitHub Actions
• Others: RESTful APIs, GraphQL, Microservices, Event-Driven Architecture
Overview
10
10
years of professional experience
4
4
years of post-secondary education
Work History
Sr. Backend Developer
Apollo Scooters
02.2022 - Current
- Spearheaded the development of the backend architecture and APIs, serving as the foundation for the company's software ecosystem.
- Built and managed a robust system handling 1000+ concurrent requests per second with high availability.
- Implemented Firestore SDK integration for real-time data sync and event handling.
- Migrated services to AWS, utilizing EC2, RDS, SNS, SQS, Elasticache and EBS, which improved deployment time by 30% and reduced infrastructure costs by 20%.
- Collaborated closely with the front-end team to ensure seamless API integration and responsiveness.
Lead Software Engineer
Cresign Zone
09.2018 - 02.2022
- Designed, coded, tested, debugged and documented programs using agile development practices.
- Collaborated with cross-functional teams to deliver comprehensive solutions for clients' needs.
- Led a team of software engineers to successfully complete projects within deadlines, ensuring high-quality end products.
- Conducted thorough code reviews to maintain consistency, readability, and adherence to best practices.
- Designed and implemented a scalable microservices architecture, which supported a 200% increase in user base.
- Developed ERP systems for healthcare and real estate industries, enhancing operational workflows and business insights.
Software Engineer
FutureCan Agency
01.2015 - 09.2018
- Developed scalable and maintainable code, ensuring long-term stability of the software.
- Integrated new technologies into existing systems, increasing capabilities and improving overall performance.
- Developed reusable components that significantly reduced development effort on multiple projects.
- Implemented effective debugging strategies, resulting in fewer software defects and increased reliability.
- Developed several client-specific solutions in a fast-paced environment, often under tight deadlines.
- Leveraged Laravel and Vue.js to build dynamic, responsive applications, improving user experience and reducing load times.
Education
Bachelor of Science - Computer And Information Sciences
Mansoura University
Egypt 2015 - 2019
Skills
Advanced SQL knowledge
Expertise in PHP
Experience with Laravel
Knowledge of Golang
Knowledge of Expressjs
Languages
English
Advanced
C1
German
Beginner
A1
Timeline
Sr. Backend Developer
Apollo Scooters
02.2022 - Current
Lead Software Engineer
Cresign Zone
09.2018 - 02.2022
Bachelor of Science - Computer And Information Sciences
Mansoura University
2015 - 2019
Software Engineer
FutureCan Agency
01.2015 - 09.2018