Founding AI Engineer & Senior Software Lead

Engain

Phoenix (AZ)

On-site

USD 78,000 - 134,000

Full time

6 days ago
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Job summary

Engain in Phoenix, Arizona is seeking a Founding Senior Software Developer / AI Engineer to join an early-stage AI startup. You will be instrumental in shaping architecture and leading the development of AI-powered products from the ground up.

We're looking for someone highly technical, ambitious, and excited about solving hard problems. You should have experience with backend systems, AI/LLMs, agents, and model development, plus a track record of owning initiatives in a startup setting.

Qualifications

  • Demonstrated software engineering and AI experience.
  • Experience with AI systems, agents, and model development.
  • Ability to work quickly with ownership in a startup.
  • Experience with AI-assisted development tools.

Skills

Software engineering
AI/LLMs
Backend systems
Independent problem solving
AI tools
Startup environment

Tools

Claude Code
Codex
Cursor

Job description

Engain in Phoenix, Arizona is seeking a Founding Senior Software Developer / AI Engineer to join an early-stage AI startup. You will be instrumental in shaping architecture and leading the development of AI-powered products from the ground up.

We're looking for someone highly technical, ambitious, and excited about solving hard problems. You should have experience with backend systems, AI/LLMs, agents, and model development, plus a track record of owning initiatives in a startup setting.

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