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Xpertalent Linkedin · Posted 26d ago

Member of Technical Staff

San Francisco, California, United States

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Senior Software Engineer

Founding Engineer (Full-Stack / Backend) - AI Platform

Location: San Francisco | Fully Onsite

Salary: Competitive $160,000 - $270,000 DOE + equity


Investment: Seed-stage and backed by worlds leading investors (ready for Series A)


You must be a US Citizen or hold a green card.


We have partnered with a very exciting AI firm who are building an AI operating system for corporate transformation. They are on the lookout for a Founding Senior Software Engineer to join the team.


Exciting time to join the scale: early stage, funded by top-tier investors, part of a selective AI pilot program, and already live with paying pilots across private equity, government, and large enterprises.


Tech Stack:

  • Backend: Python, FastAPI
  • Frontend: React, TypeScript
  • Infra: AWS (ECS Fargate, RDS, S3, CloudFront), Terraform, Docker
  • DB: Postgres


Experience:

  • Build and scale the core platform: APIs, microservices, and orchestration systems
  • Design, deploy, and operate production infrastructure on AWS
  • Integrate with complex enterprise systems (HR, finance, CRM, project management, etc.)
  • Work directly with customers to map systems and deliver end-to-end solutions
  • Shape product direction, technical architecture, and company culture as a founding team member


We are looking for high impact killer engineers:

  • High-agency builder who takes full ownership and moves fast
  • Comfortable in 0→1 environments and wearing multiple hats
  • Confident in high-intensity, customer-facing settings
  • Pragmatic about tradeoffs, opinionated about great systems
  • Obsessed with shipping polished, production-grade work


Essential Experience Required:

  • Backend or full-stack experience at a fast-paced startup or top-tier company
  • Strong fundamentals in APIs, databases, and cloud infrastructure
  • Experience integrating enterprise systems or working with OAuth / SSO


Apply ASAP if this is suitable - please note this is a fully onsite role based in San Francisco.

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