Senior Software Engineer, Full-Stack (Agentic Platform)
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Who we're looking for We're hiring senior/staff, product-minded full-stack engineers to build Supio's agentic platform — applied AI at the core, in high-stakes, real-world legal workflows. You build product end-to-end in TypeScript across the stack, from the interfaces customers touch to the services behind them. You have hands-on experience shipping LLM/AI systems in production, you're fluent using coding agents in your daily workflow, and you operate with real autonomy. You've thrived in a startup environment and you're excited to build greenfield. What you'll build(scope depends on team placement) Agentic platform capabilities spanning voice calling & transcription, medical/financial records extraction, and legal document drafting The agent runtime — prompt/tool architecture, skill and prompt management, and cost/performance optimization The core full-stack application customers work in every day Production LLM-driven features, plus the evaluation, tooling, and monitoring that keep them accurate and observable at scale You won't just ship features — you'll shape the architecture and technical direction of a fast-evolving, AI-native platform, with senior autonomy and end-to-end ownership. What you'll bring (must-haves)10+ years of professional software engineering experience True full-stack depth. You own product end-to-end, front to back. This isn't a front-end or backend specialist role; you're comfortable across the whole stack (React/TypeScript on the front end and modern backend services, APIs, and data pipelines).Strong product sense. You build customer-facing product and translate real user needs into technical solutions Hands-on applied AI/LLM systems experience. You've built real systems end-to-end and can speak to what you owned and what broke in production Fluency with coding agents as part of how you build Startup background. Comfortable with ambiguity, speed, and greenfield Autonomy and ownership. Able to meet in-office/hybrid expectations in Seattle or San Francisco
Nice to have:
Prior experience at AI-native companies Formal ML background (optional — practical AI fluency matters more than credentials) Compensation Competitive package of base salary, meaningful equity, and benefits.
Base Salary: $200,000–$255,000 annually
Actual compensation depends on qualifications, skills, experience, and location.