Supio

Senior Software Engineer, Full-Stack (Agentic Platform)

Supio
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2 months ago
Seattle, WA, USASenior / Staff+

Base Salary

$200k - $255k/yr

Responsibilities

  • Build Supio’s agentic platform and core full-stack customer application end to end.
  • Develop agent runtime capabilities including prompt and tool architecture, skill and prompt management, and cost/performance optimization.
  • Build AI-powered features for voice calling and transcription, medical and financial records extraction, and legal document drafting.
  • Develop production LLM features along with evaluation, tooling, and monitoring systems for accuracy and observability at scale.
  • Shape platform architecture and technical direction while operating with senior-level autonomy and ownership.

Requirements

  • 10+ years of professional software engineering experience.
  • Demonstrated full-stack depth across React and TypeScript on the frontend and modern backend services, APIs, and data pipelines.
  • Hands-on experience building and shipping production LLM or AI systems end to end.
  • Strong product sense and experience building customer-facing products from user needs.
  • Fluency using coding agents in daily development workflows.
  • Startup experience, comfort with ambiguity and speed, and experience with greenfield development.
  • Ability to meet in-office or hybrid expectations in Seattle or San Francisco.
  • Prior experience at AI-native companies is preferred.
  • Formal ML background is a nice-to-have but optional.

Benefits

  • Competitive package including meaningful equity and benefits.
  • In-office or hybrid work expectations in Seattle or San Francisco.
Supio

About Supio

51-200 employees

Supio builds an AI platform for plaintiff law firms, connecting intake, case intelligence, and firm-wide analytics in a single system (Supio Agent). The privately held company, founded in 2021 and headquartered in Seattle, licenses its software to legal practices and is building compliance and data-governance tooling for sensitive matter data. Supio is backed by investors including Sapphire Ventures and Thomson Reuters Ventures and raised a Series B in 2025.

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