Brainco

AI Platform Engineer, Backend

San Francisco Bay Area, Remote. Posted 12 months ago

The role

You will build shared backend services and technical capabilities to scale AI products. You will design, build, and operate platform backend services and data pipelines.

What you will do

  • Design, build, and operate platform backend services and data pipelines.
  • Build systems for ML experiment tracking, artifact management, and automated training and evaluation pipelines.
  • Engineer highly available, fault-tolerant systems with deep observability.
  • Design modular and scalable architectures, clean APIs, and event-driven services.
  • Profile systems to optimize for latency, throughput, and costs.
  • Partner with Product, ML, Infrastructure, and customer-facing teams.
  • Take responsibility for incident response and on-call support.

Required qualifications

  • 2+ years of experience building and scaling production backend services or platforms.
  • Strong proficiency in Python, Go, Rust, TypeScript, C++, or similar languages.
  • Strong fundamentals in distributed systems, including consistency, availability, failure modes, retries, and idempotency.
  • Experience building shared infrastructure, internal platforms, or developer-facing services.
  • Experience designing for observability using metrics, logging, and tracing.
  • Experience owning services with real uptime expectations.

Nice to have

  • Experience with AI/ML platforms or inference systems, including integrating or managing ML experiment tracking, artifact management, and model registries (e.g., Weights & Biases, MLflow, ClearML) or o
  • Experience designing and operating high-throughput data pipelines and resilient asynchronous workflows using durable execution engines (e.g., Temporal), streaming platforms (e.g., Kafka), or distribut
  • Familiarity with Kubernetes, cloud-native service deployment, or multi-tenant architectures.
  • Experience navigating strict compliance frameworks (e.g., SOC2, FedRAMP) or building systems for highly regulated, air-gapped, or on-premise environments.

Benefits

  • Competitive salary plus equity
  • Daily lunches
  • Commuter benefits
  • 401(k)
  • Medical, Dental, and Vision
  • Unlimited PTO

About the company

Brain Co. builds AI-native operating systems for large, regulated institutions. Each system is built for a specific industry, powered by agents that push real workflows forward.