Armin Shoeibi Email & Phone Number

Tehran

• Automated payment reconciliation across multiple data sources (SEP, Mellat Bank, Tara360, Ozone IPGs), reducing workload and double-checking for the financial department and call center agents.
• Implemented refund processes across multiple IPGs (SEP, Mellat Bank, Tara360, Ozone) with a 99% success rate, ensuring no duplicate or faulty refunds, and enhancing reliability and customer trust.
• Implemented a new, thread-safe wallet system across multiple pods, including seamless… Show more
• Implemented a new, thread-safe wallet system across multiple pods, including seamless data migration from the old service, resulting in improved CSAT through enhanced security, reliability, and performance.
• Enhanced shopping cart endpoints, and utilized memory cache to reduce both PostgreSQL hits and I/O, while addressing async-await issues to improve CPU usage during high-concurrency situations.
• Transformed inventory systems with Spring Boot and Kafka Streams, utilizing compact topics to eliminate SQL server dependencies, resulting in a more efficient Event-Driven Architecture (EDA).

Member of the.NET Foundation.

Tehran, Iran

• Built FIFA World Cup Qatar 2022 ticket and accommodation E-commerce API, leveraging Redis, RabbitMQ, and SQL Server, driving substantial revenue. (https://www.alibaba.ir/fifaworldcuphospitality)
• Integrated Golang-based Insurance policy services as a new business line, connecting via gRPC and RabbitMQ with shared systems like Order Management and Notifications.
• Created a B2B 'Gift Card' service, offering automatic coupons, wallet charging, and winning big contracts with major… Show more
• Created a B2B 'Gift Card' service, offering automatic coupons, wallet charging, and winning big contracts with major companies.
• Onboarded new developers, led code reviews, and conducted Git & GitLab workshops to enhance code quality and collaboration.
• Overhauled the Order Management System (OMS), resolving complex circular dependencies and adopting built-in DI in ASP.NET Core resulting in more performance than Autofac library. Show less

• Developed a Wheel of Fortune API with a concurrency limiter, offering a fun way to spin the wheel and win coupons, resulting in a 20% boost in conversion rates.
• Optimized the domestic flight team's anti-corruption layer, reducing dependency hell, and achieving 50% cost savings while facilitating easier onboarding.
• Implemented async communication via RabbitMQ and Quorum queues for HA and replication, replacing ZeroMQ across 25+ projects, enhancing observability, and achieving… Show more
• Implemented async communication via RabbitMQ and Quorum queues for HA and replication, replacing ZeroMQ across 25+ projects, enhancing observability, and achieving 3x scalability improvement.
• Modernized legacy.NET Framework systems, migrating to.NET 6, and optimizing with new language APIs. Implemented robust monitoring for improved maintainability, scalability, and performance.
• Enhanced Dockerfiles and GitLab CI/CD pipelines, reducing build times by 50% through multi-stage builds, resulting in less waiting and increased daily productivity.

Tehran Province, Iran

• Refah is the largest chain store with more than 700 branches in Iran.
• Developed and maintained scalable RESTful APIs using ASP.NET Core 2.1 and C#, providing seamless integration for mobile clients (iOS and Android) and powering the "MyRefah" application, which achieved over 500,000+.
• Designed and implemented basket and shopping list management, on-site order tracking, and customer club services.