Hossein Hajizadeh
Bis 2022, Senior backend developer, Pejwak Baran Co
Tehran, Iran (Islamische Republik )
Über mich
Highly skilled Backend developer with 10+ years of experience in e-commerce, e-health, insurance, productions, and CMS domains. A clean coder who combines passion for building reliable and creative products Key Skills and Experiences: Senior software developer with more than 10 years of experience in SDLC in Agile (Scrum) More than 3 years of experience as technical team lead and principal software engineer Experience in architecture, design, and implementation of large-scale systems, experience In microservices and messaging systems, such as Kafka, RabbitMQ, and NoSql like Elastic search Hands-on experience in Database design and implementation MS SQL Server for 10 years Working experience in software design principles, and patterns Hands-on experience in code review and refactoring Established track record of collaboration, leadership, and teamwork. Expert in C#, Asp.net core, and SQL Server
Werdegang
Berufserfahrung von Hossein Hajizadeh
1 Jahr und 9 Monate, März 2021 - Nov. 2022
Senior backend developer
Pejwak Baran Co
Responsible for analyzing, designing, and implementing best practices and leading the backend team. • Redesign projects with event-driven, CQRS, AOP, and onion which significantly improved development and maintenance • Analyze and implement 3 insurance projects car insurance, fire insurance, and Third-party insurance service in an agile team • Setup private Azure DevOps CI/CD and package manager in local server • Mentor interns, code review and refactor teammates’ code
9 Monate, Juli 2020 - März 2021
Senior backend developer
Address Click Co (e-commerce)
• Extended Nopcommerce with event-driven, AOP, clean architecture, and CQRS (Elastic, MSQL ) and developed it on a large scale • Develop a microservice for notification and synchronization • Solve storage bottlenecks by designing and developing a modular gateway • Solve concurrency bottlenecks • Implement catalog, discounts, promotion, audit, and payment modules in an agile team • Implement unit tests by xUnit and performance tests by JMeter … • Help DevOps team setup CI/CD projects and mentor interns
Responsible for collaborating with factory experts, analyzing, scheduling, and leader of the backend team. • Analyze and implement MVP in less than 1 month and avoid the factory shutdown for 6 months • Implement manufacturing execution systems (MES) software for the Samsung factory in Iran • Save more than 20,000,000$ by launching the MES system
2 Jahre und 10 Monate, Jan. 2017 - Okt. 2019
Full-stack Developer
Raya Salamat Co (e-health)
Responsible for architecture, design, and code quality following systems. • Design and implement food and meal core analyzing system, analyze data • Implement REST for this core with SOA approach • Implement 3 web applications from this core • Developing an android application by java with Mvvm, architecture component • Documented by UML (user-flow, activity, sequence, and class diagrams)
8 Jahre, Jan. 2010 - Dez. 2017
Full-stack Developer
Tavan Gostar Lian Co
Work as a full-stack developer, web development, windows development, and android development • Create more than 50 custom software for clients on web, android, and windows • Create CMS with Asp.net web form for different purposes and customize it for clients
Sprachen
Englisch
Gut
Deutsch
Grundlagen
Persian
Muttersprache