Hossein Nasr Esfahani Email & Phone Number

Singapore

Singapore

M-DAQ Global, headquartered in Singapore, empowers businesses across diverse industries by providing cutting-edge FX solutions that facilitate cross-border transactions.In my role as a full-stack developer, I take charge of both backend and frontend design and development for our applications. I'm also actively involved in code reviews and engaging in pair programming to support and collaborate with my team. Key achievements:• Developed a scalable multi-tenancy treasury management system with Spring Boot and React, deployed on AWS Elastic Kubernetes Service.• Implemented modular micro-services and micro-frontends, utilizing Sync and Async communication (Rest API and SQS) for effective connections.• Utilized diverse testing tools, including Cucumber, to ensure comprehensive and easily understandable testing processes.

Tehran, Iran

Tehran, Iran

Balad Maps, the leading Map and Navigation Platform in Iran, boasts an impressive user base of over 10 million Monthly Active Users (MAUs). The platform provides swift and efficient navigation solutions throughout Iran.As a software engineer and technical leader, I closely engaged with team members, providing guidance to enhance their skills, besides contributing to the development of multiple projects. Key achievements:• Develop and maintain a scalable routing engine handling thousands of map routing requests per second using Java, Kotlin, Go, Redis, and Kubernetes.• Design and implement a service processing large-scale live user data to estimate traffic on each route using Kafka and Apache Flink.• Employ HDFS and Spark to analyze historical traffic patterns for each route using a vast and continually updated dataset, enhancing the overall routing efficiency.

Tehran, Iran

Mohaymen is the innovative force behind Soroush+ Instant Messaging, a widely acclaimed IM platform developed in Iran, boasting a user base of over 3 million daily active users. We've designed and developed an instant messaging platform that delivers swift, secure, and scalable communication solutions, serving hundreds of millions of users using a variety of technologies. In my role, I was responsible for architecting and crafting the backend systems, ensuring the delivery of top-notch code quality, and providing support to my colleagues by conducting code reviews. Key achievements:• Designed and developed group and channel functionalities for the IM platform using the Actor model, supporting hundreds of thousands of users per group.• Engineered the File feature of the IM platform to receive files in multiple independent chunks, incorporating robust handling for possible failures and interruptions using the Actor model and OpenStack.• Architected and implemented the IM message search engine, enabling the search of relevant messages from personal, group, and channel messages that the user has access to.

Iran

Rastech is a rapidly expanding company that empowers organizations to efficiently oversee and assess their daily operations through familiar tools such as issue tracker, daily assessment, web-based document management, and instant messaging. Our platform has earned the distinction of being the most widely adopted solution in Iranian health centers, with thousands of active users relying on it daily. Key achievements:• Developed multiple microservices to support various product features using Spring frameworks and deployed them using Docker Swarm.• Implemented Apache Solr to establish a sophisticated search engine, enabling users to search documents and issues while respecting their permissions.• Designed and built a React-based web application that interfaces with the backend services. Additionally, mentored two junior developers, aiding in the expansion of their expertise in front-end technologies.

Tehran, Tehran Province, Iran

During my pursuit of bachelor's and master's degrees at the University of Tehran, I served as a teaching assistant in over 10 courses. In this role, I was responsible for developing assignments, evaluating students' homework and exams, and conducting troubleshooting sessions to assist students in their learning journey.These courses included subjects like Data Structures and Algorithms, Discrete Mathematics, Design and Analysis of Algorithms, Information Retrieval, and Data Mining.

IAIS is a company that develops multiple customs systems, streamlining various stages of foreign trade processes. As a software engineer in my team, I contributed to the creation of a platform aiding users in communicating with customs for the registration of their shipments. Our system, built with Java and a Cassandra database, was designed to efficiently handle a high volume of requests per second.

Master’S Degree, Computer Software Engineering

Activities and Societies: I was a teacher assistant multiple times in the following courses: Information Retrieval, and Data MiningOur.

Bachelor Of Science (Bsc), Computer Engineering

Activities and Societies: I was teacher assistant multiple times in the following courses: Discrete Mathematics, Data Structure.

High School, Mathmatics