Seyed Hassan Seyedi Email & Phone Number

Tehran Province, Iran

Tehran, Iran

- Managed backend, frontend, QA, DevOps, SRE, and product teams, taking on additional responsibilities when necessary.- Successfully dismantled legacy infrastructure and migrated from traditional CI/CD to Kubernetes across 13 services.- Migrated front-end and back-end teams to Service-Oriented Architecture (SOA) and Microservice architecture.- Deprecated outdated VoIP solutions and negotiated contracts with new providers, resulting in the implementation of high-quality services such as consultation service, safe calls, and Call Centers.- Achieved a significant milestone in negotiations with a VoIP provider, securing a 5-digit number and developing a custom API for free.- Led the hiring process for backend developers, frontend developers, DevOps engineers, QA specialists, and test engineers- Troubleshot, debugged, and investigated technical issues within the teams.- Collaborated with other ventures to meet SnappDoctor's requirements..- Conducted meetings with international stakeholders, providing reports and aligning them with the current quarter roadmap.- Managed product teams, collaborating with product managers and UI/UX designers to identify customer and stakeholder needs, define product vision and strategy, and prioritize features and tasks.

Tehran, Iran

- Led the implementation of a new online doctor appointment booking service.- Managed cross-functional teams of backend, frontend, and DevOps engineers to deliver the service.- Implemented cutting-edge solutions such as Domain-Driven Design (DDD), Command Query Responsibility Segregation (CQRS), and event sourcing using MongoDB and Elasticsearch for read and write models.- Developed and executed over 10000 test scenarios to ensure the quality and reliability of the service.- Led the hiring process for backend and frontend developers, ensuring the recruitment of skilled professionals.- Conducted code reviews to maintain code quality and adherence to best practices.

Tehran, Iran

- Improved legacy codes and contributed to the development of a new financial service.- Developed a multi-IPG payment system with voucher support and internal and external wallets, resulting in an 80% reduction in payment discrepancies.

Tehran, Iran

As a Backend Team Lead, I lead a team of mid-developers, including leading the design, coding, and technological progress of the team. I nurture the efficient and fast time to market of product delivery and achieving the business goals of the company. * Experience working in microservices, containers, RESTful APIs and Events Driven architecture * Experience working with cloud-based technologies and architecture (AWS) * Experience working with NoSQL(AWS DynamoDB) and SQL databases (AWS Aurora) * Experience with AWS services such as CloudFormation-API Gateway-EC2-Fargate Services * Practical experience with Laravel/Lumen framework * Practical experience with Kafka as a message broker and trusted data store for event sourcing.

Tehran, Iran

Refactored part of application what developed by Laravel framework : 1. Implemented OOP and Design patterns such as Factory, Strategy, State, Decorator and Observe.2. Observed the SOLID principle.Developed the PMS manager service (A service for microservice architect).This service has the message communication type to publish and consume messages to the CRS by RabbitMQ.Developed by Symfony 4.3 and Implemented Event Sourcing pattern and used the MongoDB as database.Developed the Audit service (A service for microservice architect).Persisting user activities and providing an endpoint for filtering are duties of this service and has the message communication type to consuming messages from other services by RabbitMQ.Developed by Symfony 4.3 and used the MongoDB as database.Developed a reusable component for other services to make the communication easier at packagist.org.

Tehran Province, Iran

A Project in real-estate domain (In-house project)An API-driven project by API Platform (Symfony Project)Implemented DDD approach.Used CQRS and Event Sorurcing patterns.Used Mongo DB as event store.Used Elasticsearch and Redis as Read Model DB.Used RabbitMQ as message broker ( events queue ).Implemented React Redux in developing UI.Implemented JWT token-based authentication.Deployed with docker.Technologies: Symfony4.3, API Platform, Swagger, Mongo DB, Elasticsearch, Redis, RabbitMQ, ReactJs

Tehra

* Experience in Object Oriented Programming (OOP) concepts and MVC architecture based framework in LAMP/LEMP environment.* Involved in implementing MVC architecture to separate business logic from the view using OOP Developed server-side scripts to handle user request using Symfony 2,4 Framework.* Worked Extensively on InnoDB, MyISAM, Archive MySQL storage engines.* Extensive experience using Twig, Doctrine, Webpack encore.* Used docker as container platform to increase isolation, therefore security makes it easier to manage the hardware infrastructure and make it easier to deploy.* Developed a complex reporting system for Asterisk-based VOIP phone system regarding QC requirements using Symfony.* Used cronjob to transfer data of queued calls that were stored in separated files into the MySql database.* Designed and developed Restful web API using Symfony and MySQL DB that were consumed by 3rd party applications.* Developed a pricing application for the sales department.* Developed a camera monitoring application to manage and connect to cameras of various floors that implemented the hierarchical model.* Developed a communication application for sending and receiving SMS that was consumed a SOAP API with a phone book module.* Developed an application to receive faxes using sshfs Linux library.* Developed a bind application to manage reverse DNS records using sshfs , nslookup , execution functions to run Linux commands.* Developed a learning management application using Symfony with following key features : -Multimedia Teaching -Managing courses, users and roles -Reporting and tracking -Testing and assessment* Developed a knowledge management application using Symfony with following key features: -Knowledge sharing -Knowledge mapping -Groupware -Content management* Developed custom modules by integrating Web Services like REST and SOAP.* Developed a middleware application to authenticate clients by consuming Restful web service.

Tehran Province, Iran

* Developed and maintained portal.mooyrag.com which is a customer loyalty and network marketing application in retail environment Using Symfony and Mysql.* Doctrine used as ORM to handle database transactions.* Participated in full software development lifecycle (SDLC) with Agile methodology.* Consumed Restful web services which were communicated via XML to manipulate data.* Experience in a collaborative development environment using Git and Used GitHub as the primary repository.* Experienced with Test Driven Development and have used PHP Unit.* Worked with the following Symfony framework's features in developing: authentication, events listener and subscriber, annotations, cross object mapper, data transform, custom DQL function, form validation and custom constraint, voter, translator, custom console command and migration.* Integrated with the payment processing gateway using SOAP API.* Developed an online ticketing system for customer support and network marketing.* Used bootstrap which consists of mobile first styles throughout the entire library.

Tehran Province, Iran

* Developed a custom social media network application using Symfony Framework and MySql for chain training complexes.* Ability to extensively customize individual profiles ( Personal Information, Work Experiences, Educations ... ).* Ability to expand user following, direct messaging facility.* Notification and news feed* Encouraged members to upload content as a post.* Written a custom module to pull the data from people soft environment based on user roles and permissions.* Managed community effectively by creating multiple member groups.* Organized engaging events to strengthen the community.* Share photos and images with others.* Kept members updated by sending messages to individual users or entire groups.* Developed the application's presentation layer using HTML5, CSS3, JavaScript and jQuery.

Tehran Province, Iran

* Developed and maintained ncr.epishkhan.ir which is a web application for a quasi-governmental company Where members can create requests to revision national identity profile and pay costs by PC POS with +20k daily transactions Using Symfony and MySql.* Developed new tools and applications by translating business requirement into the company's' system design.* Integrated a single sign-on authentication using OpenID on Linux environment.* Consumed Restful web services which were communicated via XML to manipulate data.* Doctrine used as ORM to handle database transactions.* Wrote SQL Queries, events and stored procedures using MySQL to generate complex reports.* Used bootstrap which consists of mobile first styles throughout the entire library.* Used SMTP mail class of PHP for the users to send mail with suggestions.* Developed new modules in Symfony 4 for a customer care application used by 500+ concurrent users* Developed an ACL module to control access and permissions based on a user role using Zend ACL.

Tehran Province, Iran

* Developed the insurance policy web application as a modern responsive web application, implemented by modern web stacks using Symfony and Mysql.* Integrated with the payment processing gateway using SOAP API and PC POS.* Exposure to PDF generation libraries e.g. TCPDF.* Worked on export to excel and print functionality.* Ability to track policies.* Integrated single sign-in authentication using OpenID on Linux environment.* Doctrine used as ORM to handle database transactions.* Developed the application's presentation layer using HTML5, CSS3, JavaScript and jQuery.

Tehran Province, Iran

* Developed PHP based server-side application using Zend framework and implemented MVC architecture.* Used all aspects of MySQL/PHP Programming, Zend Framework in LAMP environment.* Developed Contact Fill Application and installation and integration of the Application online.* Installed and create custom modules and themes in Drupal 8* Participated in full software development lifecycle (SDLC) with Agile methodology.

Tehran Province, Iran

* Responsible for Front-end and Back-end development coding* Collaborate with other team members to develop, maintain and produce custom CMS using pure PHP* Hands on experience developing custom CMS solutions* Defined and developed the application's presentation layer using HTML5, CSS3, JavaScript and jQuery* Developed/Design the application using WAMP (Windows, Apache, MySQL, and PHP) architecture.* Developed modules for managing different groups for the announcements, events and news in the organization.* Developed ACL module to control access and permissions.* Development reports on admin side accordingly to financial management requirements.* Implemented a web crawler to scrape the web links by curl to create sitemaps.* Implemented PHP session variables and cookies.* Used PHPMyAdmin to handle the administration of MYSQL over the World Wide Web.* Tracked and fixed bugs that were found during various phases of developments.* Adapted layouts from graphic artists to internet pages using HTML/CSS.* Implemented Bootstrap in developing UI.

Tehran Province, Iran

* Developed kook.ir online magazine for retailers using PHP, MVC design patterns, MySql, Smarty template engine, HTML, CSS, Javascript (JQuery).* Used SMTP mail class of PHP for the users to send mail with suggestions. Extensive use of PHP Mailer class.* Deployed and maintained systems in XAMP environments.* Developed key components of the web application with CRUD functionality.* Worked on all stages of the Application development cycle beginning with client interaction, Gathering and understanding the requirements, designing Requirement documents, Defining Systems & then Development.* Developed and maintained critical components of an e-commerce website, including shopping cart, quick view, and checkout page.* Worked with multiple teams like production, marketing and accounting to acquire data for the requirements.* Created Daily sales reports modules to track the flowing cash.* Worked with integrating search engine optimization (SEO) functionality using constantly evolving legitimate techniques to improve website ranking in the major Search Engines.* Implemented the payments with PayPal API and payment API.* Built a back-end page to change CSS properties all over the site.