> Markdown version of [/jobs/ext/4545655-founding-software-engineer-full-stack](https://www.wearedevelopers.com/jobs/ext/4545655-founding-software-engineer-full-stack). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Founding Software Engineer - Full Stack

- **Company:** RHEA COACHING, LLC
- **Location:** Los Angeles, CA, United States
- **Experience:** Experienced
- **Salary:** $140,000 - $200,000
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Data Infrastructure, Python (Programming Language), Systems Development Life Cycle, Software Engineering, Systems Architecture, Systems Integration, TypeScript, Software Application Programming, Backend, Real Time Data
- **Published:** November 3, 2026
- **Apply:** https://www.careerbuilder.com/job-details/founding-software-engineer-full-stack-los-angeles-ca--8d533ba5-d5ad-42f8-add6-232757e7282f

## About the Role

Software Engineering, United States Citizen, Software Engineering, Startup, Automation, Production Systems, Scalable System Development, Application Programming Interface (API), Business Operations, Automation Systems, * 2+ years of professional software engineering experience, with a strong record of shipping production software.

 * Strong full-stack development experience, particularly with TypeScript.
 * Backend proficiency in Python or Go.
 * Experience designing and building applications, APIs, and backend systems end-to-end.
 * Strong understanding of data modeling, system architecture, and software engineering fundamentals.
 * Demonstrated ownership of products or substantial technical features.
 * Ability to work independently and solve ambiguous problems.
 * High agency, strong product instincts, and a bias toward execution.
 * Comfortable working in an early-stage startup environment.

## Description

We're looking for a highly motivated Founding Software Engineer to help build and scale sophisticated software products at an early-stage technology startup.

You'll work across full-stack engineering, backend systems, data infrastructure, and automation, with significant ownership over product architecture and technical decisions.

This is a hands-on role for an engineer who enjoys building from scratch, solving complex real-world problems, and shipping production-quality software in a fast-moving environment.

What You'll Do

 * Design, build, and ship full-stack applications and production systems.
 * Develop scalable backend services, APIs, and data infrastructure.
 * Build internal platforms and tools that streamline complex business and operational workflows.
 * Work with real-time data, integrations, and automation systems.
 * Own features and technical initiatives from concept through deployment.
 * Collaborate with cross-functional engineering teams to solve complex technical problems.
 * Make architectural decisions and improve system performance, reliability, and scalability.
 * Identify high-impact opportunities and independently drive solutions.