Sr. Full Stack Developer

TEKsystems
📍 West Menlo Park, California, United States 💼 Contractor 🕒 Posted July 08, 2026

Job Description

Description

As a Sr. macOS / Full-Stack Developer, you'll be joining this client as they begin building the production prototype of a Computer Use Agent (CUA) — think Codex-style assistant that lives on macOS, observes user activity, and can take actions like typing, navigating websites, and operating apps on the user's behalf.

Responsibilities:

* Build the macOS assistant prototype end-to-end

* Develop the front-end / UI layer using React and JavaScript

* Design and manage Docker environments for the prototype and its dependencies

* Integrate the prototype with the underlying CUA models

* Iterate quickly on prototype features based on research team feedback

* Troubleshoot and debug across the stack

* Document architecture and setup

* Collaborate with research scientists, engineers, and TPMs

Skills

MacOS Development, Docker, React, Javascript, Desktop Application Development, Prototype Development,...

Ready to Apply?

Submit your application today and join our talented team at TEKsystems.

Submit Application

Job Details

  • Location West Menlo Park, California
  • Job Type Contractor
  • Category Computer Occupations
  • Posted Date July 08, 2026
  • Application Deadline August 17, 2026