Harry is available for hire
Hire HarryHarry Le
Verified Expert in Engineering
Software Engineer and Developer
Location
Vancouver, BC, Canada
Toptal Member Since
August 22, 2020
Harry is a proficient software engineer and entrepreneur, adept at developing innovative applications. He specializes in unique solutions for complex challenges and has built numerous thriving multi-million-dollar ventures. Harry has made significant contributions in the fields of AI, eCommerce, and esports. His strengths lie in designing high-traffic systems, optimizing performance, conducting thorough testing, and creating intuitive interfaces.
Portfolio
Conversant AI, Inc.
React, eCommerce, Plugins, FastAPI, BigCommerce...
AI Saga LLC
Stable Diffusion, Azure ML Studio, Azure, Azure SQL, Node.js, Azure DevOps...
Kuma Games Inc.
Amazon Web Services (AWS), Solidity, JavaScript, Node.js, PostgreSQL...
Experience
Availability
Part-time
Preferred Environment
Amazon Web Services (AWS), Linux, GitHub, JavaScript, Node.js, React, PostgreSQL, Python, Lean Startups, Agile Software Development
The most amazing...
...solution I've created enables users to remotely manage thousands of gaming computers in real time.
Work Experience
Senior Front-end React Developer
2023 - PRESENT
Conversant AI, Inc.
- Developed a BigCommerce AI chatbot plugin to answer inquiries about technical products.
- Developed multiple architecture solutions to address scalability needs at various business phases.
- Resolved important technical front-end roadblocks with iframe and Auth0.
Technologies: React, eCommerce, Plugins, FastAPI, BigCommerce, Search Engine Optimization (SEO), Next.js, Flask, BigCommerce API, Auth0, Auth0 API, Front-end Architecture
Co-founder and CTO
2023 - PRESENT
AI Saga LLC
- Developed an iOS app that transforms humans into look-alike anime characters using AI.
- Created a Google Chrome plugin to generate AI content on any website.
- Oversaw a team of mobile developers and marketing specialists to launch the app successfully.
Technologies: Stable Diffusion, Azure ML Studio, Azure, Azure SQL, Node.js, Azure DevOps, SEO Tools, Front-end Development, Plugins, Front-end Architecture
Co-founder and CTO
2021 - 2022
Kuma Games Inc.
- Led a team of mobile game and blockchain developers in establishing the groundwork for a blockchain-based gaming experience.
- Established a robust cloud infrastructure utilizing Kubernetes cluster for seamless auto-scaling and auto-healing capabilities.
- Engineered a Node.js-based server that automated video encoding and significantly reduced loading time by implementing bitrate adaptive streaming techniques.
- Developed an innovative no-code solution enabling creators to design interactive games using smartphones to simplify the creative process.
Technologies: Amazon Web Services (AWS), Solidity, JavaScript, Node.js, PostgreSQL, Agile Software Development, Architecture, Decentralization, Continuous Deployment, Continuous Integration (CI), Lean Startups, Azure, HTML, Full-stack, Web Development, REST, Webpack, Object-oriented Programming (OOP), Functional Programming, Startups, Bash Script, Sales & Marketing, Linux, Git, Project Management, Lean, TypeScript, CSV, Data Processing, User Interface (UI), Design, Blockchain, Web UI, Next.js, Docker, GitHub, Mathematics, Algorithms, Communication, SQL, React, Tailwind CSS, APIs, User Experience (UX), Front-end, Search Engine Optimization (SEO), Responsive Web Design (RWD), Mobile App Development, React Native, Back-end, Microservices, Artificial Intelligence (AI), OpenAI GPT-3 API, Google Maps, Code Review, Estimations, Amazon RDS, AWS Lambda, REST APIs, NestJS, Prisma, Google Analytics 4, HTML5, CSS3 Animation, Web3, Smart Contracts, MetaMask, Automation Scripting, Project Consultancy, Software Architecture, CI/CD Pipelines, Web Design, Websites, Firebase, API Integration, Google Analytics, Reports, Metrics, Full-stack Development, Mocha, Analytics, API Testing, Database Management Systems (DBMS), SEO Tools, Integration, Web3.js, Front-end Development, Crypto, Front-end Architecture
Senior Full-stack Engineer
2020 - 2021
FreshBooks
- Deployed high-performance profitability and time-entry reporting tools, benefiting millions of users.
- Enhanced and extended role-based permission systems to better reflect organizational hierarchy and improve access control.
- Optimized resource utilization for dozens of services within a Kubernetes cluster, increasing overall efficiency and performance.
Technologies: Python, Flask, JavaScript, Ember.js, Continuous Integration (CI), Continuous Deployment, Architecture, HTML, Full-stack, Web Development, REST, Webpack, Object-oriented Programming (OOP), Functional Programming, Startups, Bash Script, Node.js, Linux, Git, Lean, CSV, Data Processing, User Interface (UI), Web UI, Docker, GitHub, Mathematics, Accounting, Algorithms, Communication, Project Management, Google Cloud Platform (GCP), Python 3, SQL, React, APIs, User Experience (UX), Front-end, Responsive Web Design (RWD), MySQL, Back-end, Microservices, Google Maps, Maps, Code Review, Estimations, Amazon RDS, REST APIs, HTML5, Project Consultancy, CI/CD Pipelines, Websites, TypeScript, API Integration, Google Analytics, Reports, Dashboards, Metrics, Python API, Full-stack Development, Mocha, Cypress, Analytics, API Testing, Database Management Systems (DBMS), Integration, Front-end Development, Front-end Architecture
Senior Full-stack Engineer
2018 - 2020
Ludare Games Group
- Established a real-time web application for thousands of gamers to record their in-game scores and participate in online tournaments.
- Built a desktop application for game arenas to control 50-200 computers from the web interface.
- Created a tournament bracket management system for several tournament types, such as ladder, round-robin, single-elimination, and double-elimination.
- Created a custom-style library for team members to reuse and unify UI components in several projects.
- Recorded and analyzed daily game scores of over 2 million PUBG players.
Technologies: Linux, Django REST Framework, Redux, Docker, Semantic UI, Less, CircleCI, React, JavaScript, Django, Python, Atomic Design, Agile Software Development, CSS, Web Development, Full-stack, HTML, Databases, Architecture, Agile, Technical Leadership, DevOps, Continuous Integration (CI), Continuous Deployment, Lean Startups, REST, Webpack, Object-oriented Programming (OOP), Functional Programming, Startups, Bash Script, Node.js, Git, Lean, CSV, Data Processing, User Interface (UI), Design, Web UI, Material UI, GitHub, Mathematics, Algorithms, Communication, Project Management, Python 3, SQL, Tailwind CSS, APIs, User Experience (UX), Front-end, Bootstrap, Responsive Web Design (RWD), Back-end, Microservices, Code Review, Estimations, Amazon RDS, REST APIs, HTML5, CSS3 Animation, Software Architecture, CI/CD Pipelines, Web Design, Websites, TypeScript, Express.js, API Integration, Google Analytics, Reports, Dashboards, Metrics, Python API, Full-stack Development, Chai, Analytics, API Testing, Database Management Systems (DBMS), Integration, Front-end Development, Front-end Architecture
Full-stack Developer
2016 - 2017
PhoneBox Inc
- Developed applications for 75,000 phone subscribers to register and make payments.
- Established a multilingual system for translating site content into 10 popular languages.
- Recruited and coordinated an overseas outsourcing team to support mobile application development.
Technologies: Linux, jQuery, Sass, JavaScript, CSS, Web Development, Full-stack, HTML, Databases, Agile, Architecture, REST, Webpack, Object-oriented Programming (OOP), Node.js, Git, CSV, User Interface (UI), Web UI, GitHub, Communication, React, APIs, User Experience (UX), Front-end, Responsive Web Design (RWD), Mobile App Development, Back-end, Estimations, REST APIs, Websites, Full-stack Development, Front-end Development, Front-end Architecture
Co-founder and CTO
2013 - 2015
Aura Technology and Services, LLC.
- Created a mobile-friendly web application for collecting surveys through handheld devices.
- Developed 12 themes for surveys with UI customization options for organizations.
- Assembled and managed a remote team from Finland, Singapore, and Vietnam.
Technologies: Linux, Git, Sass, Node.js, JavaScript, Agile Software Development, CSS, Web Development, Full-stack, HTML, Databases, Architecture, Agile, Technical Leadership, Lean Startups, REST, Object-oriented Programming (OOP), Startups, Sales & Marketing, jQuery, Project Management, Lean, CSV, User Interface (UI), Design, Web UI, GitHub, Communication, SQL, APIs, User Experience (UX), Front-end, Responsive Web Design (RWD), MySQL, Back-end, Code Review, Estimations, Software Architecture, Web Design, Websites, Full-stack Development, Front-end Development, Front-end Architecture
Mobile Game Developer
2012 - 2013
Phoenix Mobile LLC
- Created and promoted a hexagonal puzzle mobile game for iOS with over 10,000 paid downloads.
- Designed all graphical assets and combined them with free-license music and fonts to deliver a fun gaming experience.
- Developed an algorithm that finds the coordinates of an item on a hexagonal map.
Technologies: Git, Cocos2d, Objective-C, Web Development, Full-stack, Databases, Architecture, Agile, Lean Startups, Startups, Sales & Marketing, Project Management, Lean, User Interface (UI), Design, GitHub, Mathematics, Algorithms, Communication, User Experience (UX), Front-end, Search Engine Optimization (SEO), Mobile App Development, Back-end, Estimations, REST APIs, Software Architecture, Front-end Architecture
Full-stack Developer
2011 - 2012
SmartOSC
- Built over 20 eCommerce sites for large European retailers such as Boozt, Hardcasa, and Moero.
- Customized and developed Magento plugins for various projects.
- Managed and trained a team of five junior developers during their first three months.
Technologies: Symfony 2, Git, Sass, CSS, Magento, JavaScript, PHP, Web Development, Full-stack, HTML, Databases, Agile, Technical Leadership, REST, Object-oriented Programming (OOP), jQuery, CSV, User Interface (UI), Web UI, GitHub, Communication, SQL, APIs, User Experience (UX), Front-end, MySQL, Back-end, Estimations, REST APIs, Project Consultancy, Software Architecture, Web Design, Websites, API Integration, Full-stack Development, Plugins, Front-end Architecture
Full-stack Developer
2009 - 2010
FPT Software
- Built an internal test management app for hundreds of testers to record daily test cases.
- Optimized front-end code to improve loading speed by 25 percent.
- Collaborated with testers and learned the software testing process.
Technologies: Hibernate, Spring, Apache Struts, JavaScript, Java, CSS, Web Development, Full-stack, HTML, Databases, Agile, REST, Object-oriented Programming (OOP), jQuery, CSV, User Interface (UI), Web UI, GitHub, Communication, SQL, APIs, User Experience (UX), Front-end, MySQL, Back-end, Estimations, REST APIs, Web Design, Websites
Experience
Innovative Blockchain Game
https://chibi.ggLed the development of a blockchain game that offers users a high-performance gaming experience and allows them to create their own unique story within the game. As the project lead, I assembled the development team, deployed the initial smart contracts, and built the necessary infrastructure to handle blockchain integration and game scaling.
Accounting Software Built for Business Owners and Accountants
https://www.freshbooks.com/Intelligent accounting software built for contractors and small and medium-sized enterprises (SMEs). My responsibilities included building new features and optimizing the performance of the application. To achieve this, I employed techniques such as code refactoring and configuration of the Kubernetes platform. Through my contributions, I ensured the app maintained high levels of functionality and user satisfaction.
AI Extension for Content Writer
https://chrome.google.com/webstore/detail/narrative-ai-powered-by-c/ampdhklgphiokkcfhdhicafdgfcljhclNarrative AI enables the generation of high-quality content with unprecedented speed and efficiency. The app's distinctive feature is its seamless integration with your workflow. This app was created using the OpenAI API and Chrome extension. It listens to website inputs and transforms the content into superior-quality content with the aid of AI.
Esports Tournament Management System
A complete solution that required web and desktop applications for the Esport Stadium to create and manage their tournaments. As the full-stack developer, I deployed a bracket creation system and a desktop application to take control of over 200 gaming PCs, allowing administrators to complete their work remotely.
Web App to Find Properties Near Train Stations
The web app is designed to make it easier for users to find rental properties that are conveniently located near train stations. The app works by collecting data from various map and rental websites and analyzing the location of each rental property. The app then filters out all properties that are not located within 1km of a train station in the city.
Skills
Languages
Python, JavaScript, Sass, CSS, HTML, TypeScript, Python 3, SQL, HTML5, GraphQL, Less, Bash Script, Objective-C, PHP, Java, Solidity
Frameworks
Redux, Django, Django REST Framework, Next.js, Tailwind CSS, Bootstrap, Express.js, Electron, Cocos2d, Apache Struts, Spring, Hibernate, Symfony 2, Flask, Ember.js, Material UI, React Native, NestJS, Cypress
Libraries/APIs
React, Node.js, REST APIs, Python API, Web3.js, Auth0 API, jQuery, Google Maps, Google Location API, Stripe, Chai, BigCommerce API
Tools
GitHub, Google Analytics, MetaMask, Auth0, CircleCI, Webpack, Git, Windows Registry Editor (Regedit), Prisma, Mocha, Azure ML Studio
Paradigms
Agile Software Development, Agile, Microservices, Responsive Web Design (RWD), Functional Programming, Object-oriented Programming (OOP), REST, DevOps, Continuous Integration (CI), Continuous Deployment, Search Engine Optimization (SEO), Azure DevOps
Other
Atomic Design, Software Development, Web Development, Full-stack, CSV, User Interface (UI), Web UI, Mathematics, Communication, APIs, User Experience (UX), Front-end, Back-end, OpenAI GPT-3 API, Estimations, Amazon RDS, OpenAI GPT-4 API, Software Architecture, CI/CD Pipelines, Websites, API Integration, Reports, Full-stack Development, Integration, Front-end Development, Front-end Architecture, Lean, Algorithms, Architecture, Data Processing, Design, Code Review, CSS3 Animation, Web3, Project Consultancy, Dashboards, Metrics, Analytics, API Testing, Crypto, eCommerce, Plugins, WebSockets, Semantic UI, Sales & Marketing, Finance, Economics, Startups, Scripting, Automation Scripting, Chrome Extensions, Technical Leadership, Web Scraping, Decentralization, Lean Startups, Mobile App Development, Artificial Intelligence (AI), Maps, Google Analytics 4, Smart Contracts, Chatbots, Natural Language Processing (NLP), Machine Learning, Deep Learning, Stable Diffusion, SEO Tools, FastAPI
Platforms
Amazon Web Services (AWS), Docker, Linux, Magento, Azure, Blockchain, Google Cloud Platform (GCP), WordPress, AWS Lambda, Firebase, BigCommerce
Storage
PostgreSQL, MySQL, Database Management Systems (DBMS), Databases, Azure SQL
Industry Expertise
Web Design, Project Management, Accounting
Education
2013 - 2015
Bachelor's Degree in Business Administration
Aalto University - Mikkeli, Finland
2007 - 2011
Bachelor's Degree in Software Engineering
FPT University - Hanoi, Vietnam
Certifications
APRIL 2023 - PRESENT
Executive Briefing: Artificial Intelligence (AI)
Udemy
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