> Markdown version of [/jobs/ext/3972935-senior-staff-principal-engineer-ai-systems-platform](https://www.wearedevelopers.com/jobs/ext/3972935-senior-staff-principal-engineer-ai-systems-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Staff / Principal Engineer - AI Systems Platform - **Company:** Expertalent LP - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Salary:** $250,000.0 - $280,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Amazon S3, JIRA, Cloud Computing, Python (Programming Language), Netsuite, Salesforce.Com, TypeScript, Backend, Amazon Relational Database Service, Machine Learning Operations, Terraform, Workday, Microservices - **Published:** October 27, 2026 - **Apply:** https://www.thejobnetwork.com/job/3e07b85b-4e26-4b26-a173-d9f321086922/senior-staff-principal-engineer-ai-systems-platform ## About the Role * Staff / Principal-level backend or full-stack engineer * Strong systems experience (Python, TypeScript, APIs, AWS, cloud infra) * Background in 0*1 or early-stage startup environments * Experience building scalable, production-grade systems end-to-end * Comfortable in customer-facing, high-intensity environments * Bonus: AI systems, agent frameworks, or data/ML pipelines, come from top 5 CS undergrad ## Description * Architect and scale core backend systems (APIs, microservices, orchestration) * Design and deploy across a modern AWS stack (ECS, RDS, S3, Terraform) * Integrate deeply with systems like Workday, Salesforce, NetSuite, Jira * Work directly with customers to map and operationalise complex environments * Help define engineering standards, hiring, and technical direction