Senior Full-Stack Engineer, Internal Tools for Engineering

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

Job summary

Inversion in Playa Vista, CA is seeking a Senior Full Stack Engineer to define and build internal software tools across the stack, from intuitive user interfaces to backend services and integrations. This role will own the development of internal applications across the stack and report directly to the Director of Software of the Internal Software Tools team.

This cross-functional, ambiguous role offers opportunities to identify high‑leverage opportunities, work with technical users, and shape

Qualifications

• 5+ years of professional software engineering experience building and shipping production-quality software systems.
• Strong front-end development experience with TypeScript/Javascript and React.
• Experience developing backend systems, APIs, or internal tools using Python, Node.js, or Go.
• Strong software engineering fundamentals, including system design, testing, debugging, code quality, and maintainability.
• Familiarity with Linux development environments and basic CI/CD workflows.
• An innovative and optimistic approach to an environment with high ambiguity, shifting priorities, and loosely defined problem spaces.
• Position may require occasional extended hours and/or weekend work.

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/Node.js/Go

Linux/CI-CD

System design

Tools

Docker

Kubernetes

CI/CD

Job description

Inversion in Playa Vista, CA is seeking a Senior Full Stack Engineer to define and build internal software tools across the stack, from intuitive user interfaces to backend services and integrations. This role will own the development of internal applications across the stack and report directly to the Director of Software of the Internal Software Tools team.

This cross-functional, ambiguous role offers opportunities to identify high‑leverage opportunities, work with technical users, and shape