AI Platform Engineer, Backend

Brain Co. is an applied AI startup focused on delivering impactful AI applications for critical industries. The AI Platform Engineer will design, build, and maintain backend systems and data pipelines, ensuring scalability, reliability, and performance for the AI platform.

Responsibilities:

• Own Core Backend & Platform Systems
• Design, build, and operate foundational backend services and data pipelines that power Brain Co.’s AI platform
• Take end-to-end ownership: architecture, implementation, deployment, and long-term maintenance
• Design for Scale, Reliability, and Correctness
• Build systems with strong guarantees around correctness, fault tolerance, and observability
• Design for real uptime expectations in enterprise and government environments
• Architecture & APIs
• Design modular, reusable backend architectures and APIs (REST, gRPC, event-driven)
• Make sound architectural tradeoffs with a long-term platform mindset
• Solve Ambiguous Systems Problems
• Break down open-ended, complex problems into clear technical designs
• Move from first principles to production-ready systems with speed and rigor
• Optimize Performance and Cost
• Improve latency, throughput, and cost efficiency through profiling, thoughtful system design, and iteration
• Collaborate Across Functions
• Work closely with Product, ML, Infrastructure, and customer-facing teams
• Enable others by building systems that are intuitive, reliable, and developer-friendly