Hello! I'm

Alireza Hosseini

Data Scientist

Education

Iran University of Science and Technology

Department of Computer Engineering
September 2014 - February 2020
Tehran, Iran

Bachelor of Science in Computer Engineering with AI Concentration

Graph-based keyphrase extraction for Persian text under the supervision of Dr. Behrouz Minaei

Allame Jafari High School

Governmental leading high school
September 2011 - June 2014
Qazvin, Iran

Diploma in Mathematics and Physics Discipline

GPA: 19.62/20 = 4/4

Industrial Experience

Data Scientist

Bookapo
February 2020 - June 2022
Tehran, Iran

Accomplishments and Responsibilities:

Engineered a comprehensive approach resulting in a 100% surge in an e-book platform user base to 400,000 and a doubled renewal rate, through design of a marketing SDK based on analyzing and efficient clustering user behavior history, and successful implementation of marketing campaigns.
Innovated and implemented a scalable recommender system utilizing collaborative filtering and clustering algorithms. Resulted in a 10% increase in renewal rates by providing personalized book recommendations based on user engagement patterns.
Pioneered the development of a graph-based keyphrase extractor system, revolutionizing content organization by generating robust tags for books and articles, enhancing database organization and information retrieval processes.
Boosted user win-back rate by 10% through crafting a semi-supervised discount generator architecture, leveraging deep insights from user engagement patterns and purchase history analysis.

Lead Software Engineer

Bookapo
February 2019 - June 2022
Tehran, Iran

Accomplishments and Responsibilities:

Spearheaded a backend development team to achieve a 20% increase in user conversion rate, implementing development initiatives that blended technical innovation and user-centric solutions.
Achieved to a 97% non-crashed users by optimizing application memory usage, reducing it by 80% through meticulous platform media size optimizing.
Enhanced server maintainability by introducing a novel RESTful API (DRF) and a revamped MySQL database, contributing to streamlined operations and improved efficiency.
Overcame challenges posed by international sanctions to reach 100,000 iOS users by successfully addressing issues and navigating the complexities of App Store publishing.

CI/CD Engineer

Bale Messenger
June 2017 - February 2018
Tehran, Iran

Accomplishments and Responsibilities:

Elevated messenger application test coverage from 40% to a 95% by expanding the UI test suite (Appium), ensuring comprehensive testing and robust quality assurance.
Decreased UI test suite execution time by 50% through the strategic design and implementation of a new continuous integration system for both Android and iOS clients of the messenger, optimizing testing efficiency and accelerating development cycles.
Pioneered internal educational initiatives, leading efforts to educate colleagues on effective utilization of CI and imparting essential principles of test-driven development (TDD).

Software Engineer

Irsapardaz Pasargad
May 2016 - December 2016
Tehran, Iran

Accomplishments and Responsibilities:

Collaborated directly with the CTO to identify and resolve technical challenges within a car dealership website (DRF), demonstrating a hands-on approach to technical optimization.
Reduced the website’s response time by 30%, through strategic refactoring of the controller, ensuring a seamless and responsive user experience.
Elevated the website’s maintainability by implementing crucial updates to its admin panel, streamlining backend processes and fortifying the platform’s long-term stability.
Engineered a 400% surge in active ads, reaching a total of 25,000, by enhancing and updating the website’s general-purpose ad crawler.

Teaching Experience

Iran University of Science and Technology

September 2016 - February 2017
Tehran, Iran

Teacher Assistant for Algorithm Design and Analysis (Dr. Mohammad Reza Abbasifard)

Iran University of Science and Technology

September 2016 - February 2017
Tehran, Iran

Teacher Assistant for Computer Architecture (Dr. Ahmad Patooghy)

Iran University of Science and Technology

February 2016 - June 2016
Tehran, Iran

Teacher Assistant for Data Structures (Dr. Nosratali Ashrafi-Payaman)

Volunteer Experience

Iran University of Science and Technology

February 2018
Tehran, Iran

Mentor of PyCon Iran 2018

Iran University of Science and Technology

May 2017
Tehran, Iran

Mentor of PyCon Iran 2017

Iran University of Science and Technology

May 2016
Tehran, Iran

Mentor of PyCon Iran 2016

Allame Jafari High School

January 2013
Qazvin, Iran

Lead Designer and Mentor of Physics Hockey Tournament

Allame Jafari High School

January 2013
Qazvin, Iran

Lead Designer and Mentor of Mathematics Hockey Tournament

Skills

Programming Languages

Python Bash

Other skills:

C++ HTML CSS SCSS C C# LaTex Java JavaScript Matlab ASL VHDL Verilog Assembly Swift Objective-C ANTLR

Visualization

Matplotlib TensorBoard nxviz

Other skills:

Mesa PyQt

Data Analysis and Handling

NumPy SciPy pandas NetworkX

Machine Learning

Scikit-Learn Keras KerasTuner TensorFlow TensorFlow Serving Transformers Gymnasium

NLP

NLTK Hazm

Testing

pytest

Other skills:

Appium

Documentation

Sphinx drf-yasg

Other Frameworks

Django REST framework

Other skills:

Django Flask jQuery .NET SwiftUI Twitter Client Telegram Client Telegram Bot

Databases

SQL Redis

Other skills:

MongoDB

Cloud AI Platforms

Google Vertex AI Amazon SageMaker

Operating Systems

macOS Linux

Other skills:

Windows

Tools

Visual Studio Code PyCharm Git Docker MySQL Workbench

Other skills:

Xcode Paw Postman NGINX Apache Xilinx ISE

Interests

Machine Learning Artificial Neural Networks Natural Language Processing Computer Vision Robotics Software Engineering Object Oriented Programming Hackintoshing

Other interests:

Football eFootball Board Games Movies TV Shows Traveling

Personality

ISTJ-A

Projects

Perke

Perke is a Python keyphrase extraction package for Persian language. It provides an end-to-end keyphrase extraction pipeline in which each component can be easily modified or extended to develop new models.

GitHub

Hands-on Machine Learning Notes

My notes on the third edition of the O’Reilly book “Hands-on Machine Learning with Scikit-Learn, Keras and TensorFlow”

GitHub

Agent Based Simulation

An agent based simulation for arrivals and departures of passengers in a tunnel.

GitLab

Inverted Pendulum

A Complete Simulation of a Inverted Pendulum, controlled with a Fuzzy Logic Controller

GitHub

Medicure

Medicure is a cosmetic treatment for your media files; movies, TV shows and also their subtitles. Medicure provides a command-line tool and also a Python package for you to properly rename, sort tracks and correct tracks info for your files.

GitHub

PyPI Auto Publish

GitHub action to automate build and publish PEP 518 compliant projects (Setuptools, Flit, Poetry) on Test PyPI and/or PyPI if local package.__version__ is ahead of PyPI’s.

GitHub

GitHub Auto Publish

GitHub action to automate publish a GitHub release if find an unpublished version in CHANGELOG.md (Keep a Changelog format).

GitHub

Auto Bump Versions

GitHub action to automate bump version in CHANGELOG.md (Keep a Changelog format) and optionally bump other files’ version using BumpVer, then commit and push changes.

GitHub