Cù Đức Hiếu
(Harry)

Software engineer by formal training, software developer by passion and now by career, solo traveler and landscape photographer by hobby. Currently working as independent contractor.

Location
Hà Nội, Việt Nam
Email
[email protected]
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4+ Years of Experience
with the below technologies

C# .NET Core .NET 5+ LINQ Entity Framework Core REST RESTful API ASP.NET MVC
Redux Redux Saga
OOP SOLID Design Patterns Dependency Injection SaaS

This website is built by me using .NET for server-side rendering and backend logic.

5+ Years of Experience
with the below technologies

HTML HTML5 CSS CSS3 JSON TypeScript JavaScript ES6+ ES2015+ ECMAScript
ReactJS React Native
git GitHub Gitflow CI/CD Agile/Scrum Jira

This website is built by me using React Native and TypeScript.

1+ Years of Experience
with the below technologies

Docker Kubernetes React SSR NuGet Yarn Npm Webpack NodeJS Jest Shell Scripting
SQL MySQL SQLite
GitHub Actions Let's Encrypt Cloudflare

This website is being operated by me using Kubernetes and GitHub Actions.

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Portfolio
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My personal projects and my contribution to software developer community
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MiniSkyLab

Personal website I develop for myself using Orchard Core CMS and Antimatter. This resume page you are viewing right now is part of it.

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Antimatter

React Native UI component library for faster and simpler web and native app development. Support iOS, Android and Web.

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View source code

Helix

Free, Open Source, Apache licensed, Multi-Threaded website crawler which uses Chromium web browser to fully render website.

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View source code

Stack Overflow

I joined Stack Overflow to help and get help from other software developers around the world.
Reputation: 5600+

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Milestones
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Work experience and education​
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Software Engineer
January 2018
Now
8 Years, 6 Months

Personal Project

I use my software engineering skills to design, implement and operate a software system that helps me solve problems in life. The software currently includes a Content Management System, a personal website, an iOS app, a VPN server, a React Native component library and a backend API. Some parts of the software are open source and can be found below.


- React components I built:

    Showcase: miniskylab.com/storybook

    Source code: github.com/miniskylab/Antimatter

- Backend API I developed: miniskylab.com/open-api

- My personal website: You are looking at it!


Technologies: React Native .NET 5+ TypeScript C# MySQL Redux Redux Saga Storybook Webpack Kubernetes GitHub Actions Let's Encrypt Cloudflare DigitalOcean OpenVPN SaaS

Frontend Developer
September 2024
Now
1 Year, 10 Months

United States •  Remote •  Contractor

Technologies: React Native React.js TypeScript JavaScript SaaS

Freelance Software Developer
July 2021
Now
4 Years, 12 Months

US, EU, APAC •  Remote •  Contractor

I’ve been working as a freelance software developer for various clients and with different technologies. My responsibilities vary depending on the project and client I work for. Below are the most notable ones:


Process: Agile/Scrum

Responsibilities:


- Organize a team of 4 – 6 people using Agile/Scrum process and Jira, Actionable Agile tools.


- Communicate with clients, CTO, marketing departments, cross-functional teams, etc. to collect, clarify and understand requirements.


- Refine vague requirements from clients into Jira tasks with detailed acceptance criteria and scope then put them into product backlog.


- Schedule and organize backlog refinement meetings in which all team members cast their votes to assign story points to each task based on its scope and acceptance criteria.


- Utilize Monte Carlo: How Many tool to decide how many tasks to bring into new sprints in sprint planning meetings.


- Utilize Aging Work In Progress tool to track the progress of each task in daily standup meetings.


- Utilize the OpenAPI Generator tool to automatically generate client libraries and documentation from existing APIs which cuts down development time by 20%.


- Setup CI/CD build system including linter, unit test runner and build scripts.


- Get nearly 100 Jira tasks done across projects.


Technologies: React Native React.js TypeScript JavaScript Node.js Webpack Jest .NET C# MySQL Docker Kubernetes Next.js NestJS Express.js AWS SaaS

Full-Stack Developer
March 2021
June 2021
4 Months

Adludio • United Kingdom •  Remote •  Contractor

I worked with their European team to develop a web-based tool that helps manage advertising campaigns of Adludio's clients.


Process: Agile/Scrum

Responsibilities:


- Advise the team to switch from walking the table to walking the board format for daily standup meetings by driving 3 meetings using the new format as examples. My advice received positive feedback from the team and was adopted shortly after.


- Advise the team to use Conventional Commits specification for writing commit messages which received positive feedback from the tech lead.


- Communicate with tech lead and cross-functional teams to collect, clarify and understand requirements.


- Refine vague requirements collected from tech lead and cross-functional teams into Jira tasks with detailed acceptance criteria and scope then put them into product backlog.


- Get more than 12 Jira tasks done for the team.


Technologies: React.js TypeScript Node.js MySQL SaaS

Backend Developer
May 2019
December 2020
1 Year, 8 Months

Legal & General • United Kingdom •  Remote •  Contractor

I worked with their core team to develop various web-based tools for their business unit.


Process: Agile/Scrum

Responsibilities:


- Successfully delivered 7 projects to the business unit.


- Collaborate with cross-functional teams (frontend developers, testers, business analysts, graphical designers, etc.) through a series of Three Amigos meetings to understand business requirements and translate them into Jira tasks with detailed acceptance criteria and scope.


- Collaborate with frontend developers and testers through a series of Three Amigos meetings to design solutions for each Jira task.


- Communicate with business analysts and stakeholders to explain and suggest alternatives to business requirements that are impossible to implement.


- Get nearly 100 Jira tasks done for the team.


Technologies: .NET 5+ C# ASP.NET Optimizely CMS SaaS

Software Engineer
May 2018
April 2019
12 Months

Optimizely • Vietnam • On-site

I joined the Expert Services team to directly provide technical support for clients of Optimizely.


Responsibilities:


- Aid in the project bidding process by refining vague requirements from clients into a detailed work breakdown structure and providing rough estimates for each work item in it.


- Review, assess and suggest improvements for codebases submitted by Mazda’s subsidiaries around the world.


Technologies: .NET Core C# Selenium Electron.js SaaS

Full-Stack Developer
March 2017
October 2017
8 Months

MCB • Vietnam • On-site

I worked with their Research & Development team to rebuild their e-commerce platform using new technologies.


Process: Agile/Scrum

Responsibilities:


- Optimize performance of API endpoints by moving data extraction and transformation logics from codebase to stored procedures in database which results in a decrease in response time by 80% from 5 seconds to less than 1 second.


Technologies: React.js ASP.NET C# Microsoft SQL Server SaaS

Full-Stack Developer
October 2015
June 2016
9 Months

FPT Software • Vietnam • On-site

My team and I worked for a Czech Republic client and our job was to rebuild their document management platform with new elegant UI and better UX. They also wanted to add a couple of new features to their newly developed platform.


Process: Agile/Scrum

Team size: 30 people

Technologies: React.js .NET Framework

B.S. Degree in Software Engineering
October 2015

FPT University • Vietnam

I graduated from FPT University after 4 year studying with a Bachelor of Science degree in Software Engineering.


Major: Software Engineering

Minor: Embedded System

GPA: 8.01 / 10

Rank: Very Good

I wrote my first line of code in 2005

I have been writing code for more than 20 years so far. During high school, I participated in several programming contests in my local area and won several certificates as shown below. You can press on an image to enlarge it.

programming_contest_certificate_20080110 programming_contest_certificate_20080425 programming_contest_certificate_20080506 programming_contest_certificate_20080515 programming_contest_certificate_20090320 programming_contest_certificate_20090520 programming_contest_certificate_20100316 programming_contest_certificate_20101028 programming_contest_certificate_20101028 programming_contest_certificate_20101028
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Designed, Coded and Hosted with  by Cù Đức Hiếu • Hà Nội, Việt Nam