Founding Staff Software Engineer • Python/FastAPI

About the role

We're hiring a Founding Staff Software Engineer to help us scale and evolve our core systems. You'll work closely with AI engineers, frontend devs, and product leads to build the APIs, services, and infrastructure powering our agentic workflows. This is a hands-on role for someone who knows how to build enterprise-grade backends using modern Python/FastAPI stacks. You'll lead major technical efforts, make architecture decisions that scale, and help us stay fast, reliable, and resilient as our user base grows. What You'll Do & Own Design, build, and maintain robust backend systems that power Neuroscale AI's core platform Develop and scale REST APIs using Python and FastAPI Build production-ready systems using PostgreSQL, Redis, OpenSearch, Celery, and Temporal Architect and optimize systems that handle large-scale datasets and high-throughput backend workflows Build, deploy, and maintain backend services on AWS Own containerized deployments, CI/CD pipelines, and backend infrastructure reliability Support integrations, data pipelines, workflow automation, and asynchronous processing systems Help define backend architecture, engineering standards, observability, and performance practices Work closely with product, AI, and frontend teams to deliver features that power B2B and B2C SaaS experiences Mentor engineers and raise the bar on engineering quality, speed, and execution Operate like an owner in a startup environment, balancing speed with sound engineering judgment Contribute to AI-enabled engineering workflows and modern developer tooling, including tools such as Cursor and/or Claude Code