**Jonathan Hosea**
Full Stack Developer
Millbrae, CA 94030
jonathanhosea5_wdd@indeedemail.com
+1 (650) 274-9639

### Summary
Software Engineer with expertise in **TypeScript, Node.js, and React**. Experience includes **Codesmith, PerfSSR, and open-source contributions**. Authorized to work in the US for any employer.

### Work Experience

**Front End Developer**
*King's Chronicle (Remote)* | *Apr 2024 – May 2024*
- Developed and deployed **kings-chronicle.com** using **React, JavaScript, CSS, and Vite**.
- Built interactive game mechanics with **React hooks** and optimized UI/UX with **responsive CSS**.
- Managed state using **React Context API** and deployed on **GoDaddy**.

**Software Engineer**
*CS Engineering (Remote)* | *Jun 2023 – Sep 2023*
- Created **Jest testing suites** for a User Authentication Dashboard, improving **React behavior and DX**.
- Used **React Testing Library** for DOM validation in frontend component tests.
- Led **technical workshops** on **Node.js, Jest, Express, and async functionality**.

**Software Engineer**
*PerfSSR (Open Source, Remote)* | *Mar 2023 – Jun 2023*
- Built a **Chrome Dev Tool for Next.js** to track **FCP, LCP, TTI, TBT** and server-side fetch performance.
- Developed a **Real-Time Data Ingestion Engine** with **Node.js & Express** for performance monitoring.
- Integrated **OpenTelemetry** in Next.js to measure **server-side rendering latency**.
- Designed an **SSR Performance Dashboard** with **React & Chart.js** for real-time metrics visualization.

**Full Stack Developer**
*AiteBet (Open Source, Remote)* | *Apr 2023 – May 2023*
- Used **PostgreSQL** for relational data management in a sports betting app.
- Built backend with **Node.js & Express** for real-time game updates and user interactions.
- Developed frontend with **React & Context API** for dynamic NBA schedule and picks display.

**Full Stack Developer**
*Moodi (Open Source, Remote)* | *Mar 2023 – Apr 2023*
- Created a **microblogging app** with **React Hooks** for efficient DOM rendering.
- Built a **RESTful API** with **Node.js & Express** for seamless frontend-database interaction.
- Stored relational data in **PostgreSQL** for consistent user and post queries.

### Education
**Bachelor of Science**
*University of the Pacific, Stockton, CA* | *Aug 2010 – Aug 2014*

### Skills
**Frontend:** React, JavaScript, TypeScript, HTML5, CSS, jQuery, Angular
**Backend:** Node.js, Express, REST APIs, JSON
**Databases:** PostgreSQL, MySQL, MongoDB
**Testing:** Jest, React Testing Library, TDD
**DevOps:** Docker, AWS, Git, Linux
**Other:** Agile, SDLC, OpenTelemetry, Chart.js

### Certifications
- Driver’s License

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