I'm Masoud Vafaye Valeh
THIS IS ME
Senior Backend Engineer and hands-on Engineering Team Lead with over 10 years of experience designing, scaling, and leading backend systems for high-traffic platforms serving over one million users.
Strong expertise in Java (Spring Boot), PHP (Laravel), and TypeScript (NestJS), with a focus on software architecture, modern engineering practices, microservices, system reliability, and engineering excellence.
Proven ability to lead cross-functional teams, define technical strategy, mentor senior engineers, and align architecture with business objectives across iGaming, Smart City, and AdTech domains.
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Development Team Lead
Lead a cross-functional backend engineering team delivering a large-scale iGaming platform with 1M+ active users. Own architectural decisions for microservices, ensuring scalability, resilience, and operational stability. Define engineering standards and mentor senior engineers.
Senior Software Engineer
Designed and maintained high-performance backend services using Node.js, TypeScript, PHP (Laravel), Docker, and AWS. Implemented Redis caching and database optimizations for high-concurrency workloads. Improved deployment reliability through GitLab CI/CD automation.
Senior Software Engineer
Delivered enterprise backend systems for fintech, logistics, and government organizations. Automated reporting and data processing pipelines, reducing manual effort by approximately 50%. Led backend optimization initiatives to improve throughput and scalability.
Backend Engineer
Built RESTful APIs and background workers for a supply-chain platform. Deployed containerized services using Docker and CI/CD pipelines. Improved data consistency across supplier–restaurant integrations.
Senior Software Engineer
Developed backend services for an online advertising platform using PHP, Node.js, and Python. Optimized multithreading and exception handling for performance-critical systems. Designed APIs and SQL queries supporting real-time analytics.
Backend Engineer
Built backend services for a real estate SaaS platform using Laravel and Java. Designed MongoDB schemas for CRM and property management features. Deployed and maintained cloud-based services for international customers.
Technical Lead
Led Smart City and e-government initiatives using Oracle ADF, SOA, BPM, and Java EE. Architected high-availability citizen service platforms used by millions of residents. Coordinated large cross-functional teams and mentored junior engineers.
SOME SKILLS
MY WORK
Laravel Discount
A flexible Laravel package to manage application discounts, supporting various strategies like percentage-based, fixed amount, and stackable discounts. Includes features for discount codes, minimum order requirements, and usage limits with an easy-to-integrate API.
View on GitHub →Locker
A specialized locking mechanism designed to manage fine-grained locks and improve concurrency by freeing up global locks for other system tasks. Mirrors standard mutex behaviors, allowing users to provide custom keys for resource-specific locking.
View on GitHub →FitMind
An intelligent health and fitness platform focused on workout planning and progress tracking. Developed a user-centric interface to provide personalized training insights and health monitoring capabilities.
View on GitHub →TV2
A video streaming application optimized for high-speed performance and seamless media playback. Focused on delivering a responsive user experience for browsing and consuming digital video content.
View on GitHub →