Dean Hoai - Python Software Engineer

Dean Hoai

4.8

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Dean Hoai

4.8

Gender

Male

Address

Da Nang city, Vietnam

Main expertise

Python Software Back-end Data AI Machine Learning AWS ETL Data Scientists Full-stack Docker Data Warehouse

Introduction

Dean Hoai is a versatile Software Engineer and Data Engineer with over 7 years of experience in software development, with a strong focus on Python. He seeks to leverage his expertise as a Python Software Engineer to enhance organizational business outcomes while also building a fulfilling career.

Project list

Unity Group Sports Project - Vietnam

This project was a startup initiative focused on sports. The work involved close collaboration with the Board of Directors to align the project direction with the company's vision. Responsibilities included designing the system architecture, determining the technology stack, designing the database, and initiating the full-stack code base. Additionally, the role required implementing features and contributing significantly as the main full-stack engineer. The project also involved investigating and working with vendors to purchase third-party APIs and acquire domains. The responsibilities extended to recruiting and leading a team of three engineers, streamlining processes, delegating tasks, setting priorities, and conducting code reviews.

Involved in all phases from initiatives to detailed implementation. Worked closely with the Board of Directors on project directions and company vision to make detailed business and technical decisions, ensuring alignment with objectives. Designed system architecture and determined the tech stack. Designed the database and initiated the full-stack code base. Implemented features and contributed to the project as a main full-stack engineer. Investigated and worked with vendors to purchase essential third-party APIs and acquire domains. Recruited and led a team of three engineers, streamlined processes, delegated tasks, set priorities, and conducted code reviews.

Technologies: NextJS, TailwindCSS, NestJS, Postgres, Redis, MongoDB, Nginx, Docker, Cloudflare, Wordpress

Customer Profiling Machine Learning System - Japan

Responsible for engineering tasks within the department, primarily involving Python and DevOps. Collaborated closely with the Project Manager and Data Scientists to understand and clarify requirements, and to plan for each Agile sprint. Designed, developed, and managed a Customer Profiling machine learning system implementing Contrastive Explanation workflows (XAI with SHAP) aimed at aiding Data Scientists and Marketers in analyzing user behaviors on Rakuten Ichiba to devise business strategies. Also responsible for designing, developing, optimizing, and maintaining ETL pipelines for producing dashboards catered to a wide range of enterprise clients selling merchandise on Rakuten Ichiba.

Took care of department engineering tasks, primarily involving Python and DevOps. Worked closely with Project Manager and Data Scientists to get, clarify requirements and make plan for each Agile sprint. Designed, developed and maintained Customer Profiling machine learning system to run Contrastive Explanation workflows (XAI with SHAP) to help Data Scientists, Marketers analyze user behaviors on Rakuten Ichiba to make business strategies. Designed, developed, optimized and maintained ETL pipelines to produce dashboards for a wide variety of enterprise clients selling merchandise on Rakuten Ichiba.

Technologies: Keberized Hadoop, Spark, Hive, GCP, Python (Flask, Dash, Streamlit, Jupyter Lab, Pandas, AsyncIO, ...), MySQL, MongoDB, Redis, Docker, Airflow, Okta

Advanced ETL Pipeline for Data Analysis - Japan

Played a key role in over six projects focused on Web Development and Data Engineering, accumulating more than three years of experience with Python. Actively collaborated with Product Owners and Data Scientists to refine requirements and devise plans for each Agile sprint. Served as the main full-stack engineer, responsible for designing, developing, and maintaining ETL pipelines and applications that ingest user behavioral and manufacturing data from multiple sources for data analysis. Enhanced system performance significantly through vectorization techniques and caching strategies. Responsible for the database design.

Joined over six projects related to Web Development and Data Engineering in various roles, with over three years of experience with Python. Collaborated with partners' Product Owners and Data Scientists to clarify requirements and plan for each Agile sprint. Contributed as the main full-stack engineer to the projects. Designed, developed, and maintained ETL pipelines and applications to ingest user behavioral and manufacturing data from multiple sources for data analysis purposes. Analyzed and improved system performance significantly using vectorization techniques and caching strategies. Designed the database.

Technologies: Python (Flask, SqlAlchemy, Pandas, ...), Java, JavaScript, AWS, GCP, Kafka, Postgres, Redis, Docker

ETL Reporting Pipeline - Vietnam

Worked alongside the Product Owner and Project Manager to gather and clarify project requirements. Developed and maintained an ETL process to produce daily, weekly, and monthly reports for data analysts and executives. Ensured the accuracy of data by validating against other systems.

Collaborated with Product Owner and Project Manager to clarify requirements. Developed and maintained ETL to generate daily, weekly, and monthly reports for data analysts and executives. Checked data quality and compared with other systems.

Technologies: Hadoop, Hive, Java, Oracle, Birt Report Designer

Project list

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