Why I Built This Website (And Why It’s Not Just a Portfolio)
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Ahmed Seliem
Software Development Team Leader
Building scalable, performant web applications with .NET and Angular. Leading cross-functional teams to deliver enterprise-level solutions with 10+ years of experience.
Professional Experience
Software Development Team Leader
Sarmady - a Vodafone Company
Aug 2023 - Present
Leading software development initiatives for high-traffic sports platforms and Vodafone-integrated products. Spearheading system modernization and microservices architecture implementation. • Designed and implemented event-driven microservice architecture for FilGoal platform • Migrated sports engine from .NET Framework to .NET 8, boosting performance • Revived legacy "Akhbarak" product by rewriting from Ruby on Rails to .NET 8 • Modernized legacy SSO system to .NET 8 • Maintained and enhanced "ElKatalog" module in Ana Vodafone app • Led team in executing diverse projects aligned with corporate vision
Software Development Team Leader (Part-Time)
Cloud4Rain
Jan 2023 - Jul 2023
Led development team for Egyptian Court of Cassation digital transformation project and enterprise solutions. • Delivered large-scale digital transformation system for Egyptian Court of Cassation • Led cross-functional team to meet business objectives and deadlines • Contributed to enterprise-level software solutions architecture
Senior Software Developer
Nagwa
Mar 2023 - Aug 2023
Resolved critical technical issues in educational platforms and enhanced system security and performance. • Resolved critical database concurrency issues in high-transaction systems • Extended functionality of core educational software systems • Extended and maintained complex payment processing system • Identified and mitigated security vulnerabilities
Full Stack Software Developer
Z2Data
Nov 2022 - Apr 2023
Developed customer success module and contributed to system architecture for complex enterprise systems. • Developed end-to-end customer success module • Participated in schema design for company's most complex system • Independently identified and fixed critical security vulnerability • Maintained core application module with team
Software Engineer
Vagos Online (Turkish Gaming Network)
Feb 2022 - Jun 2022
Dramatically improved game server performance and network latency through advanced optimization techniques. • Improved server stability from 2 hours daily downtime to 0 seconds (100% uptime) • Reduced average player ping from 280ms to 30ms through network optimization • Recoded major network software components using socket programming
Software Engineer
Reality Reborn (German gaming network)
May 2019 - Jan 2022
Innovated gameplay accessibility and managed technical team to achieve peak community engagement. • Leveraged user data analytics to optimize pricing strategies • Achieved 4,500 simultaneous players (peak community size) • Managed distributed team of 10-20 members
Software Engineer
Emerald Online (Egyptian Gaming Network)
Jan 2018 - Mar 2019
Enhanced game architecture and implemented automation frameworks for community management. • Improved game architecture design for scalability • Implemented comprehensive automation frameworks • Reduced manual errors through automated event management • Improved operational efficiency for community managers
Software Engineer
Reality Online (German Gaming Network)
Feb 2017 - Oct 2017
Managed complex database systems and developed advanced network solutions. • Designed and maintained databases with 433 tables and 714 stored procedures • Reverse-engineered game server code and wrote C++ libraries • Developed TCP filter reverse proxy for enhanced security • Created automated C# bot for event management • Achieved 4,500 concurrent players • Led team of 10-20 members
Database Developer
ProjectHax - PHSRO project
Jan 2016 - Oct 2016
Specialized in database performance optimization and large-scale database management. • Created and maintained databases with 433 tables and 714 stored procedures • Optimized queries from 211ms average to under 10ms • Significantly improved application responsiveness through database tuning
Technical Skills
Backend
MicroservicesAdvanced
Socket ProgrammingAdvanced
Message BrokersIntermediate
C#Expert
.NET (8, Core, 6, Framework)ExpertDatabase
SQL ServerExpert
MySQLAdvanced
Tools
ElasticsearchIntermediate
Cloud
AWSIntermediate
Other
JavaScript/TypeScriptAdvanced
System DesignExpert
Software ArchitectureExpert
Microservices ArchitectureAdvanced
Event-Driven ArchitectureAdvanced
Database DesignExpert
SoftSkills
Team LeadershipExpert
Project ManagementIntermediate
Agile MethodologiesIntermediate
Technical MentoringAdvanced
CommunicationExpert
Frontend
AngularIntermediateFeatured Projects
Latest Blog Posts
What People Say
M
"Working with Ahmed Seliem was a pleasure. He brought strong technical knowledge, problem-solving skills, and a consistently positive attitude to the team. He handled challenges professionally and contributed significantly to all the projects he worked on."
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