Sazito offers a website builder that is easy to use for small and medium businesses with limited budgets and experience to boost online sales.Responsibilities and Achievements:> Maintain and develop `shop-core` micro-service (online-shopping product)> Design and implement `scheduler` micro-service (time-booking sub-product)> Design and implement `tajrobe` micro-service (user-experience sub-product)> Design and implement `file-manager` micro-service (cloud-storage)> Implement monitoring using Prometheus and GrafanaTechnologies:• Go Programming Language• GIN | ECHO | BEEGO Frameworks• SQL DBs (Postgres)• NoSQL DBs (Redis)• AWS (S3)• Restful API / gRPC• Version Control System - Git• Prometheus / Grafana• Kubernetes / Docker• RabbitMQ

The Wallex startup had the 2nd largest Iranian crypto-currency market. As a member of the trade-engine team, I was responsible for developing and implementing the new version of the service.Responsibilities and Achievements:> Design and implement: statistical data dispatching> Design and implement: market changes monitoring> implement: stop/limit-order trade algorithmsTechnologies:• Java Programming Language• Spring Framework• SQL DBs (Postgres)• NoSQL DBs (Redis)• Restful API• Version Control System - Git• RabbitMQ

CafeBazaar was the largest Iranian marketplace for Android applications. During my time on the user-profiling team, I was responsible for designing and implementing big data solutions.Responsibilities and Achievements:> Maintain `kimdi` micro-service (user-authentication service)> Maintain `appdarchi` micro-service (user-applications service)> Maintain `assembler` micro-service (data-processor service)Technologies:• Go/Python/Scala Programming Languages• SQL DBs (Postgres)• NoSQL DBs (Redis, Mongo)• Restful API / gRPC• Prometheus / Grafana• Version Control System - Git• Kubernetes / Docker• Kafka• Spark/AirFlow

SnappTrip venture consisted of two major parts, Hotel & Ticket. We provided the whole process of searching, booking, issuing, and canceling a ticket to our customers as Ticket-Domestic-Flight team members.Responsibilities and Achievements:> Maintain `flight` & `admin` micro-services (core services of domestic flight business)> Design and Implement a `flight-provider-hub` echo system including ~25 different domain-driven microservices that serve any required logic of both domestic and international flight businesses> Design and Implement online cancellation product> Train, support, and care for business technical issues of any department (related scope).Technologies:• Scala Programming Language• Play Framework• SBT• Akka HTTP / Actor• PostgreSQL / Slick• Restful API / gRPC• Redis• PlaySpec / ScalaTest / Mockito (Unit Tests)• Version Control System - Git• Kubernetes / Docker• Kafka

At Offer startup, our product used to analyze 150+ online markets for end users, which gives them a wide view of purchasable items.Responsibilities and Achievements:> maintain the application's search engine that interacts with front-side technologies and crawler service> implement a specific Desktop XML-Editor for knowledge team usageTechnologies:• Spring Framework• Gradle/Maven• Apache Tomcat• PostgreSQL/MySQL• Restful API• EhCache• Cucumber / TestNG / Mockito (Unit & Integration Tests)• Version Control System - Git

At Royal Vision Co, we had a wide range of services for our customers that include consulting, teaching and training, analyzing, designing, implementing and documenting ERP/BMP systems.Responsibilities and Achievements:> present required technologies to the consumers IT departments> design suitable solutions for business and technical challenges> develop required applications(ERP/BPMS) and manage other developer's technical issues>> implement a comprehensive green space management system for Mashhad Municipality>> implement human resource training ERP for MAPNA>> implement BPMSs of `Vacation` & `Mission` for Hormozgan Steel Company> train the consumer employees and migrate them to the new applicationTechnologies:• Oracle DB• Oracle ADF• Oracle Web Center• Oracle BPM Suite• Oracle SOA Suite• Oracle Enterprise Manager• Oracle WebLogic Server• JUnit (Unit Tests)• Version Control System - SVN

Solving sample problems for registered students and mentoring them to better education of technical concepts.Courses:- Basic Programming #Structural #C #Fortran- Advanced Programming #ObjectOriented #Java- Logic Circuits #Assembly- Data Structures and Algorithms- Operating Systems