Justin H

About me

Based in Vancouver, BC. I'm graduated with Bachelor of Computer Science. I love to learn different technologies and building applications to challenge my own creativity, problem-solving, planning, and organization.

I'm specialize in Front-End Development with a focus on building production-ready applications using Next.js, TypeScript and GraphQL

Technologies

Check out different technologies I've worked with.

JavaScript

TypeScript

React

Vue.js

Next.js

Node.js

Express.js

Prisma

Redis

MongoDB

MySQL

PostgreSQL

Neo4j

GraphQL

REST

HTML

CSS

TailwindCSS

SASS

Git

Figma

Python

Java

C++

AWS

Docker

Work Experience

Where I've been...professionally?

Software Developer Intern

Benevity Inc.

May 2022 - August 2022

Developed Vue.js components with Jest unit testing, ensuring 100% test coverage for new features
Developed content prioritization feature serving global clients, driving 20% improvement in user efficiency
Managed code versioning and collaboration through Git and BitBucket, following industry best practices
Implemented component testing framework using Cypress and Storybook, maintaining design system consistency.

Full Stack Developer Intern

Airble Aviation Inc.

January 2023 - December 2023

Created technical documentation highlighting Segment implementation, which improved onboarding efficiency
Refactored responsive landing pages using React and TypeScript, achieving 15% increase in SEO performance
Engineered GraphQL APIs and MySQL queries for flight data optimization, eliminating duplicate and improving data accuracy
Integrate Segment CDP to the marketplace product, resulting in 25% improvement in tracking accuracy in Google Analytics and Google Ads.

Founder

Spair

September 2024 - Current

Designed and engineered the architecture of an education platform that enables thousands of students to connect and collaborate with Next.js, TailwindCSS
Designed and implemented recommendation systems that focus on connecting people with similar backgrounds using Apollo GraphQL, Prisma and PostgreSQL
Integrated systems with Clerk and Stripe, and automated webhooks enable consistent and seamless transition between operations and premium features
Integrated AI capabilities with OpenAI, Anthropic and Qdrant to help improve active recall learning and information retention
Developed real-time collaboration and peer-to-peer communication features with WebRTC and CRDT
Designed and integrated email invite system with MailerSend service enabling seamless communication.

Co-Founder

BuildBuddies

April 2025 - Current

Co-founded a platform that connects entrepreneurs with builders, helping them kickstart their projects and ideas
Led architecture design and development of 10+ new features
Oversaw the development and maintenance of the products, technical documentation and workflows
Analyzed user feedback and implemented improvements, resulting in a 30% increase in user engagement
Planned, tracked and managed deliverables using Agile methodologies, ensuring timely delivery of features and bug fixes of more than 20 sprints and +10 deployments.