Senior Software Engineer, Backend Infrastructure (Labeling)

Stack is developing revolutionary AI and advanced autonomous systems designed to enhance safety, reliability, and efficiency of modern operations. As a Labeling Infrastructure Backend Engineer, you will design, build, and scale the mission-critical systems that power our data flywheel, ensuring fast and reliable labeling operations capable of handling massive datasets.

Responsibilities:

• Play a key role in designing and building the next generation of Stack’s Labeling Infrastructure
• Implement robust architecture to track the lifecycle of every log from unlabeled to production-ready
• Build scalable backend services for automated QA to and AI-assisted labeling plugins
• Write high quality Python and SQL

Requirements:

• Proven track record of building scalable, reliable infrastructure in a fast-paced environment
• Ability to collaborate effectively across teams
• Strong development experience with Python and SQL
• Prior experience with Trino, Flyte / Airflow, and Kubernetes are a plus
• Prior experience with ML Ops workflows is a plus
• Prior experience building and managing data platforms for multimodal ML needs is a plus
• Prior experience with agentic workflows is a plus
• Prior experience in autonomous vehicles (AV) is a plus