Senior Fullstack Engineer

About the role

Senior Fullstack Engineer: Agentic Infrastructure Team

Internet Brands is looking for a Senior Fullstack Engineer to join our Agentic AI team. You'll help build our AI capabilities from the ground up, designing and shipping tools, services, and intelligent agents that power AI experiences across our entire product ecosystem.

What You'll Do

Build and ship full-stack AI applications: Create frontend experiences and backend systems that power real AI capabilities, iterating based on performance and user feedback

Own the full lifecycle: Take projects from idea through production deployment, ensuring quality, reliability, and scalability

Build foundational infrastructure: Develop search/retrieval services, tool execution layers (MCP servers), workflows, and intelligent agents

Establish measurement systems: Create feedback loops and performance tracking to continuously improve AI system behavior

Solve complex problems: Debug issues across the stack, identify root causes, and implement robust solutions

What We're Looking For

Foundation (Required):

5+ years shipping production code (frontend and backend)

Strong programming fundamentals: We’ll primarily use JavaScript, Python and PHP, but value problem-solving skills over specific language expertise

Backend development experience: Building workflows, APIs, state management, and async systems

Database knowledge: Working with both SQL and NoSQL databases

Frontend skills: Building responsive interfaces with modern frameworks (React, Vue, Angular, Svelte, etc.)

Experience applying AI/ML in production: You've worked with LLMs or ML models in real applications, not just tutorials

Working Style:

Ownership mindset: You identify problems, take initiative, and see things through

Pragmatic and adaptable: You choose the right tool for the job and aren't afraid to learn new technologies

Systematic problem-solver: You can debug complex systems and think through tradeoffs

Good to Have:

Knowledge of AI evaluation, error analysis, and building feedback loops

Experience with agentic frameworks (LangGraph, Google ADK) or Model Context Protocol (MCP)

Background in information retrieval or search systems

Sound Like You?

Even if you don't check every box, we encourage you to apply. We value problem-solving ability, learning agility, and ownership over perfect resume matches. If you're excited about building production AI systems and have strong fullstack fundamentals, we want to hear from you.

At Internet Brands, we carefully consider a wide range of factors when determining compensation, including your background and experience. These considerations can cause your compensation to vary. We expect the compensation for this role to be in the low $100ks