Member of Technical Staff (Fullstack AI)

The role

You will build and maintain an agent platform and bring its capabilities into the product. This role involves working across backend services, APIs, agent orchestration, and customer-facing interfaces.

What you will do

• Build and maintain the agent platform using Python, FastAPI, Restate, and Redis.
• Design APIs for content creation, document processing, collaboration, and enterprise integrations.
• Design PostgreSQL data models.
• Solve agent execution challenges including failure recovery, cancellation, and retries.
• Build React, Next.js, and TypeScript experiences to show streaming progress and tool activity.
• Connect APIs, orchestration, and agent execution through Datadog and OpenTelemetry.
• Partner with Applied AI engineers on evaluations and regression checks.
• Deploy, monitor, and improve built features.
• Work with product and customer teams to choose problems and make tradeoffs.

Required qualifications

• 5+ years of software engineering experience.
• Experience owning backend services or fullstack applications.
• Depth in Python and FastAPI.
• Experience shipping and operating production Python services.
• Strong systems fundamentals in PostgreSQL and Redis.
• Experience building AI applications or the infrastructure behind them.
• Comfortable working in React, Next.js, and TypeScript.

Nice to have

• Experience with Restate or Temporal
• Sandboxed agent execution
• Streaming systems
• AI evaluation tools
• Healthcare or pharma experience

Benefits

• Medical, dental, and vision coverage
• Equity in an early-stage company
• Unlimited paid time off
• 401(k) with a 4% employer match
• Company-provided office lunches five days a week
• A stipend for professional development
• Relocation assistance
• Sponsorship for O-1, H-1B, and TN visas

About the company

Solstice builds AI software that helps life sciences teams turn complex scientific and brand information into marketing content. They are backed by Transformation Capital, Twelve Below, Virtue, and the founders of Datavant, Commure, and Paradigm.