Labelbox

Labelbox

Staff Software Engineer, AI Data Platform

San Francisco Bay Area · Staff+ · Contract

Sponsorship not specified$250k-$280kDetected 43 days ago
TypeScriptPythonJavaKotlinReactReduxNode.jsDistributed SystemsFull-Stack DevelopmentPostgreSQLMySQLGCPCloud PlatformsKubernetesAPI DevelopmentGraphQLRESTKafkaMachine LearningLLMsControlsResearch

About the role

  • Labelbox is the RL data factory for advancing frontier agent capabilities.
  • We're looking for talented, experienced engineers to join us.
  • Eval systems that run millions of agent trajectories to measure model and product quality.

Responsibilities

  • We celebrate those who take ownership, move fast, and deliver impact.
  • We empower people to drive results through clear ownership and metrics.
  • We build the data, evaluations, and infrastructure that frontier labs use to train and judge their agents.
  • Innovation at Speed: We celebrate those who take ownership, move fast, and deliver impact.

Requirements

  • You know where they break and what it takes to make them reliable to further accelerate the team's velocity.
  • You have worked in all parts of the stack
  • Deep proficiency in TypeScript and/or Python.

Nice to have

  • Designing evaluations for LLMs and agents, or producing high-quality data for ML systems.
  • Background in production distributed systems, ML infrastructure, or data systems at scale.
  • Our Technology Stack
  • Frontend: React.js with Redux, TypeScript
  • Backend: Node.js, TypeScript, Python, some Java & Kotlin
  • Cloud & Infrastructure: Google Cloud Platform (GCP), Kubernetes
  • Databases: MySQL, Spanner, PostgreSQL
  • Queueing / Streaming: Kafka, PubSub

Skills

  • Advanced annotation tools, workflow automation, and quality control systems that enable teams to produce high-quality training data at scale
  • Google Cloud Platform (GCP), Kubernetes
  • MySQL, Spanner, PostgreSQL

Compensation

  • The expected annual base salary range for United States-based candidates is below.
  • Annual base salary range
  • $250,000 - $280,000 USD

Benefits

  • Continuous Growth: Every role requires continuous learning and evolution.
  • This range is not inclusive of any potential equity packages or additional benefits.

Company info

  • Shape the Future of AI
  • At Labelbox, we're building the critical infrastructure that powers breakthrough AI models at leading research labs and enterprises.
  • Since 2018, we've been pioneering data-centric approaches that are fundamental to AI development, and our work becomes even more essential as AI capabilities expand exponentially.
  • About Labelbox
  • We're the only company offering three integrated solutions for frontier

This listing is sourced directly from Labelbox's careers page and normalized into a canonical job model.