# Justin Cortez

> Software Engineer

Location: Santa Cruz, California, United States
Profile: https://flows.cv/justincortez

Full-stack engineer focused on building and owning end-to-end web applications that reduce friction and deliver real business impact. I enjoy working across product and engineering, learning quickly, and shipping reliable systems. I take my work seriously, but not myself.

## Work Experience
### Software Engineer @ Sierra Instruments
Jan 2023 – Present | Monterey, CA
• Owned the end-to-end development and operation of production web applications, from initial design through deployment and ongoing support.

• Built customer-facing and internal tools that streamlined complex business workflows, including a product configurator that reduced configuration-to-order time from weeks to as little as 15 minutes.

• Developed intuitive front-end experiences using React and TypeScript, translating loosely defined requirements into reliable, user-focused interfaces.

• Collaborated cross-functionally with sales, engineering, operations, and compliance to deliver solutions aligned with real business needs.

### Full-Stack Engineer @ Ocean Apps
Jan 2021 – Jan 2023 | Santa Cruz, California, United States
• Owned the design and development of a SaaS application geared towards small businesses to streamline their website update process using the latest technologies of React, TypeScript, Node Express, MongoDB, Docker, and Kubernetes.
• Designed and implemented REST APIs for managing user data using Node and Express.
• Owned the development of our producted E2E, from identifying requirements, UI design, integration with 3rd party APIs, software implementation, engineering testing, and configuring metrics and alarms in Kubernetes.
• Implented authentication using Firebase.
• Implemented unit testing with Jest and React Testing Library, as well as E2E testing with Cypress.
• Enforced a strong type system using TypeScript.
• Followed clean code principles and engineering best practices to ensure maintainability of the codebase.
• Designed and developed the company website using Figma and Gatsby.

### Web Developer @ Santa Cruz County Friends of the Rail and Trail
Jan 2020 – Jan 2020 | Santa Cruz, California, United States
• Developed WordPress website.
• Provided ongoing support as well as a landing page redesign.

### Field Technician @ Santa Cruz Seaside Company
Jan 2018 – Jan 2020 | Santa Cruz, CA, United States

### Department Lead @ Grocery Outlet
Jan 2016 – Jan 2017 | Santa Cruz, Ca

### Maintenance Technician @ Equity LifeStyle Properties, Inc.
Jan 2014 – Jan 2016 | Santa Cruz, Ca


## Education
### Associate of Science - AS in Multi-/Interdisciplinary Studies, General
Cabrillo College


## Contact & Social
- LinkedIn: https://linkedin.com/in/justinbcortez

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Source: https://flows.cv/justincortez
JSON Resume: https://flows.cv/justincortez/resume.json
Last updated: 2026-04-10