Shawn Ohn

Software Engineer,
Full-Stack Developer

I build things on the web.

About

I’m a full-stack software engineer passionate about building accessible, high-performance digital experiences. I work at the intersection of design and development, delivering scalable, maintainable solutions that balance usability, reliability, and performance.

At Strata Research, I specialize in transforming complex business requirements into real-world applications—modernizing legacy systems, optimizing workflows, and deploying end-to-end platforms that support long-term product growth.

My work spans industries including automotive, healthcare, gaming, and smart infrastructure. I’m especially drawn to product-driven teams where I can contribute to solving meaningful problems through thoughtful architecture and user-centered development.

Experience

  1. AUG 2021 — APR 2025

    Software Developer · Strata Research

    Build and maintain scalable client-facing applications across web and desktop platforms. Contributed to frontend modernization and backend architecture improvements to enhance performance, maintainability, and developer efficiency. Collaborated with designers, product owners, and engineers to deliver solutions across healthcare, infrastructure, and data visualization projects.

    • TypeScript
    • React
    • Next.js
    • Express.js
    • Python
    • FastAPI
    • C#
    • .NET Core
    • AWS
    • PostgreSQL
  2. Oct 2020 — May 2021

    Game Developer · HitGrab Game Labs

    Implemented multi-platform sign-in, in-app purchases, and push notifications using Firebase, and ported to Android for release on Google Play, enabling cross-platform access and monetization.

    • C#
    • Unity
    • TypeScript
    • Node.js
    • Firebase
  3. Feb 2021 — Apr 2021

    Mid Level Developer · Endev Studio

    Built core features for a mobile dating app using Flutter, Firebase, and Node.js, contributing to the initial launch.

    • Flutter
    • TypeScript
    • Node.js
    • Firebase
  4. Nov 2020 — Feb 2021

    Software Developer · iContribute

    Led and collaborated with student engineers and designers to develop a cross-platform application for a non-profit organization.

    • TypeScript
    • React
    • Express.js
    • MongoDB
  5. 2014 — 2017

    Software Engineer · Austem, Korea

    Built and maintained internal ERP tools to support core operations in manufacturing. Improved process efficiency by automating calculations and document workflows, reducing manual effort across business teams.

    • C#
    • .NET Framework
    • MS SQL Server

Projects

  1. Fifteen Love

    A social platform for tennis enthusiasts to find players, matches, courts, coaches, and groups.

    • Bubble.io
    • Heroku
    Fifteen Love app homepage
  2. Turnstone Data

    Integrated parking data platform. Aggregates custom data formats, processes, and models datasets behind the scenes. Visualize inventory tracking, manage drift, analyze demand, report trends, balance zones and policies, and program rates through interactive maps and charts.

    • TypeScript
    • Next.js
    • deck.gl
    • Mapbox
    • Python
    • FastAPI
    • PostgreSQL
    • AWS
    Turnstone Data app homepage
  3. Blackjack

    Mobile Blackjack game. Mostly worked for implementing APIs for authentication, purchase and notification system.

    4.5
    • TypeScript
    • Node.js
    • Firebase
    Blackjack App Store preview
  4. LovingSitter

    Web app for dog owners to find dog sitters in real time. Features include secure authentication, instant notifications, real-time messaging, and a mock payment system for seamless booking

    • React
    • Express.js
    • Socket.io
    • MongoDB
    • Stripe
    LovingSitter app homepage
  5. Personal Portfolio

    An old version of portfolio build with Gatsby and deployed with Netlify.

    • Gatsby
    • Netlify
    Personal Portfolio homepage