17 internal tools engineer jobs at 15 companies in Lancaster, CA

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AI Product Engineer, Internal Tools
Calabasas, California, United States
$110k-$130k/yr HybridFull Time
PlanetArt
PlanetArt: Provides a mobile platform for ordering personalized photo products.
Public portfolio required; build and ship AI-powered internal tools and prototypes using AI-assisted tools and modern web stacks; strong prompt engineering, UX instincts, and communication skills; bachelor's preferred.
Cursor, Claude Code, Codex, GitHub Copilot, ChatGPT, v0, JavaScript, TypeScript, React, Next.js, Python, APIs, databases, GitHub, OpenAI, Anthropic, Google Gemini, Retool, Supabase, Firebase, Vercel, Airtable, n8n, Zapier, Make, Figma
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Staff Software Engineer, Internal Tools
New York City or San Francisco or Los Angeles
$227k-$325k/yr HybridFull Time
Tubi
TubiNASDAQ: FOXA: Free ad-supported streaming service for movies and television.
8+ YOE8+ years software engineering experience; deep distributed systems expertise; strong full‑stack skills with Node.js/TypeScript, React/TypeScript, PostgreSQL/Drizzle ORM, and Python; experience integrating LLMs/AI into production systems.
Node.js, TypeScript, Express, React, PostgreSQL, Drizzle ORM, Python, OpenAI, Google Gemini, Claude Code, Codex, Cursor, MCP, LLM
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Senior Software Development Engineer, Developer Tools
Belgrade or The Hague or Taipei or Burbank or Walnut Creek
$132k-$194k/yr HybridFull Time, Contract
Network Optix
Network Optix: Software platform for building and managing intelligent video solutions.
Senior-level software engineer focused on CI/CD automation, building internal tools and improving build pipelines.
Python, Git, Bash, PowerShell, GitLab, Jira, Artifactory, CMake, Ninja, Conan, Jenkins
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Manager, Software Engineering (Tools & Frameworks) - Developer Connections
Los Angeles or Mercer Island or Redwood City or San Francisco
$207k-$290k/yr HybridFull Time
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
7+ YOE1+ Mgmt7+ years software engineering, 1+ year people management, proficient in Go or Java, experience building shared libraries/platforms, product mindset for internal tools, familiarity with AI/LLM integrations and containerization.
Go, Java, Kubernetes, CI/CD, AI/LLM integrations, Containerization, Slack/Discord platforms
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Development Engineer, Solid Rocket Motors
Los Angeles, California, United States
OnsiteFull Time
Furientis
Furientis: Develops cost-effective, high-volume interceptor missile systems.
5+ YOEB.S. in engineering or physics, 5+ years hands-on solid rocket motor development, fluency in composite-propellant motor design, internal-ballistics and thermochemistry tools, CAD (NX) proficiency, ground-test experience; must be a U.S. Person.
NX, Claude Code, Codex, OpenCode
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Senior Electrical Design Engineer 6
Dallas or Houston or Denver or Chicago or Los Angeles or Irvine or Concord or Carlsbad or Phoenix
$121k-$212k/yr HybridFull Time
CDM Smith
CDM Smith: Engineering and construction firm for global infrastructure projects.
10+ YOEPE license and bachelor's in electrical engineering (or equivalent), 10+ years electrical design experience, proficiency with SKM Power Tools or ETAP, Microsoft Word/Excel, US citizenship for federal work; domestic/international travel possible.
SKM Power Tools, ETAP, Microsoft Word, Microsoft Excel
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Software Engineer II – Test/Internal Tooling
Los Angeles, California, United States
$140k-$164k/yr OnsiteFull Time
Parallel Systems
Parallel Systems: Building autonomous battery-electric rail vehicles for freight transportation.
3+ YOE3+ years software development experience with scripting (Python, JS) and systems (C++, Rust); experience building test infrastructure (HITL/SITL), Linux, CI, test frameworks, mentoring, and cross-functional collaboration.
Python, JS, C++, Rust, Linux, CI
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Principal Design Technologist, AI Design Tools
United States or California or Connecticut or Maryland or Massachusetts or New Jersey or New York or Washington or District of Columbia or Colorado or Hawaii or Illinois or Maine or Minnesota or Nevada or Ohio or Rhode Island or Vermont or Virginia or Los Angeles County
$169k-$285k/yr RemoteFull Time
Zillow Group
Zillow GroupNasdaq: ZG: Operates a digital marketplace for buying, selling, and renting homes.
8+ YOE8+ years across design and front-end engineering; production experience shipping internal tooling; fluency with AI coding tools (Claude Code, Cursor, Codex); strong front-end engineering and design systems knowledge; stakeholder influence and cross-functional collaboration.
Claude Code, Cursor, Codex, Figma, MCP server, Constellation
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Security Engineer II, Detection and Response
San Francisco or Vancouver or Phoenix or Los Angeles or Seattle or Austin or Portland or California or United States or Canada
$123k-$165k/yr RemoteFull Time
Circle
CircleNYSE: CRCL: Digital currency issuer and blockchain financial infrastructure provider.
2+ YOE2+ years in detection/response or security engineering; experience with incident response, AWS + EKS, AI tooling, MacOS internals, and programming in Python or Golang; familiarity with Slack and GSuite; able to take on-call shifts.
Slack, Apple MacOS, GSuite, SIEM, Orchestration platforms, AWS, EKS, AI tooling, Python, Golang
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Staff Engineer, AI Platform
Santa Monica or New York or San Francisco or Los Angeles
$200k-$220k/yr HybridFull Time
Pivotal Health
Pivotal Health: AI platform automating healthcare insurance claim disputes for providers.
Hands-on software engineering leader building platform infrastructure for AI systems; experience with agent runtimes, observability, experimentation, and internal tooling; strong API/SDK design; comfortable in greenfield work; healthcare/payments domain a plus.
Python, FastAPI, GCP, LLM platforms, Observability tooling, A/B testing, SDKs and APIs
3w
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Software Engineer, Staff
New York City or San Francisco or Seattle or Los Angeles or United States
$214k-$248k/yr RemoteFull Time
Check
Check: Provides embedded payroll infrastructure for software platforms.
Staff-level ownership of production systems, experience building internal tools or platforms, strong debugging and design skills, ability to collaborate cross-functionally, and willingness to work with Python/Django, React, TypeScript, AWS, Terraform, Postgres, Temporal, and GitHub.
Python, Django, React, TypeScript, AWS, Terraform, Postgres, Temporal, GitHub
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AI Solutions Developer – Insurance Operations & Systems Integration
Los Angeles, California, United States
$100k-$150k/yr OnsiteFull Time
Knight Insurance Group
Knight Insurance Group: Provides specialty property and casualty insurance and underwriting services.
Develop AI-driven software for insurance operations; build internal tools, dashboards, API integrations; experience with AI-assisted development, web apps, SQL, and cloud/SaaS.
Python, JavaScript, Node.js, React, SQL, APIs, Cloud platforms
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Staff Software Engineer, Platform Services - Game Tech Group, Anti-Cheat
Los Angeles, California, United States
$193k-$269k/yr OnsiteFull Time
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
Staff-level experience building backend platforms and internal tools; strong backend/distributed systems skills (AWS, Docker, Kubernetes); experience with Golang, React, Node.js, TypeScript; API design, production debugging, and strong communication.
AWS, Docker, Kubernetes, Golang, React, Node.js, TypeScript, CI/CD, LLMs, Agentic AI
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Lead Product Manager - AI Developer Platform
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$171k-$257k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
7+ YOE7+ years product management; experience with developer tooling, AI platforms, or internal productivity tools; strong technical fluency; proven cross-functional leadership; ability to define strategy and roadmap.
Claude Code, Codex, Cursor, Plugin marketplace, Agent runtime, Ruby, Go, TypeScript, Python, AWS, Databricks
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Fall Intern, Podcast Production - Part - Time
Los Angeles or New York
$18/hr HybridPart Time, Internship
SiriusXM
SiriusXMNASDAQ: SIRI: Audio entertainment providing satellite and streaming services.
Internship for students or recent grads to assist podcast audio engineers with setup, recording, editing (Pro Tools), mixing, media management, and supporting studio and remote sessions; must be 18+ and legally able to work in the U.S.
Pro Tools, Mac OS, Microsoft Word, Microsoft Excel, Google Docs, Google Calendar, Google Sheets, Zoom, Descript
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AI-First Engineering Intern
Los Angeles, California, United States
$20-$25/hr OnsiteInternship
Xsolla
Xsolla: Provides payment and monetization tools for game developers.
Experience using agentic AI coding tools, full-stack development comfort, proof-of-work portfolio (GitHub or deployed projects), currently a CS/software student or recent graduate, strong initiative and communication.
Claude Code, Cursor, Copilot, GitHub, APIs, SDKs, Loom
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Fall Intern, Podcast Audio Engineering - Part Time
Los Angeles, California, United States
$18/hr HybridPart Time, Internship
SiriusXM
SiriusXMNASDAQ: SIRI: Audio entertainment providing satellite and streaming services.
Must be 18+, current student or recent graduate; experience with Pro Tools/DAW, audio signal flow, Mac OS and basic computing (Word, Excel, G Suite), Zoom; passion for podcasts and legal right to work in the U.S.
Pro Tools, DAW, Descript, Mac OS, Word, Microsoft Excel, Google Docs, Google Calendar, Google Sheets, Zoom