Senior Full-Stack Engineer — Internal Tools (LA, On-Site)

Front Door Defense; Los Angeles (CA); On-site; USD 139,000 - 201,000; Full time

Job summary

Inversion, headquartered in Playa Vista, California, seeks a Senior Full Stack Engineer to define and ship internal tooling that speeds engineering workflows. You will own internal applications across the stack, from UI to backend services, collaborating with technical users to translate requirements into practical products.

This role demands at least 5 years of software experience, strong React/TypeScript skills, and backend experience with Python/Node.js/Go.

Qualifications

• 5+ years of professional software engineering experience.
• Front-end with TypeScript/JavaScript and React.
• Backend or internal tools using Python/Node.js/Go.

Responsibilities

• Design, build, and maintain internal web applications and tooling that support engineering workflows across the company.
• Own the end-to-end lifecycle of internal tools, including problem definition, technical design, implementation, testing, deployment, and long-term maintenance.
• Build intuitive user interfaces and workflows for technical users, with a strong focus on usability, clarity, and speed.
• Develop backend services, APIs, and integrations that support internal dashboards, documentation systems, data review tools, and AI-enabled workflows.
• Partner closely with engineers and other technical stakeholders to identify pain points, gather requirements, and translate loosely defined needs into practical internal products.
• Help define best practices for internal application development, including architecture, testing, code quality, and maintainability.
• Contribute to the long-term product and technical direction of the Internal Software Tools team.

Skills

TypeScript/Javascript

React

Python

Go

Node.js

Linux

CI/CD

System design

Tools

Docker

Kubernetes

APIs

Job description

Inversion, headquartered in Playa Vista, California, seeks a Senior Full Stack Engineer to define and ship internal tooling that speeds engineering workflows. You will own internal applications across the stack, from UI to backend services, collaborating with technical users to translate requirements into practical products.

This role demands at least 5 years of software experience, strong React/TypeScript skills, and backend experience with Python/Node.js/Go.