Hossein Mohammadi Email & Phone Number

Tehran, Iran

• Developed rail and ticketing system microservices which exposed 2 service types, gRPC and REST API• Separated read and write databases with CQRS, DDD and RabbitMQ. SQL Server handles writes, while RabbitMQ facilitates data storage in MongoDB that improved response times up to 80%• Used Saga pattern to manage complex, long-running transactions across +10 distributed microservices, and ensuring data consistency and reliability• Enhanced search functionality and performance with a live search engine using Elasticsearch

Tehran, Iran

• Implemented +40 open banking services which enable third-party developers to build applications and services around the financial institution• Worked on implementing a corporate banking project with over than 80 banking and financial features, 8 microservices and 5 SQL and NoSQL databases for various uses• Established logging solutions with ELK stack (Elasticsearch, Logstash, Kibana) across 4 projects, to enhance monitoring and troubleshooting capabilities• Refacted the legacy code and fixed about +100 bugs in 3 different projects in the company• Designed data storage solutions according to project's needs (database design in both SQL and NoSQL)• Fine-tunning SQL queries to speed up the queries' execution time up to 60%

Tehran, Iran

• Collaborated on development of a web-based application for recruitment, measurement and evaluation of university professors ( in a team of 14 , scrum based )• Co-authored new technological solutions to resolve business needs• Prepared the project for migrating from monolith to microservice architecture ( step one using CQRS, step two using Event Sourcing )• Optimized the application for maximum speed and scalability with well-known tools available

Khorramabad, Iran

• Developed 8 website, software and enterprise web based solutions form 0 to 100 (such as CRM, ECM, E-commerce and etc)• Dockerized 7 products and moved hosting to Kubernetes to run in any infrastructure, quickly and reliably and securely with zero downtime• Writed a +1000 unit and functional test cases• Trained and coached more than 15 developers to write clean, reusable, and maintainable codes• Communicated with business and sales team to better design products bases on clients needs ( 10 sessions - by-weekly )• Droved new and innovative solutions to meet business needs (boost client acquire by 100 by the end of year)