Keycard Labs

Staff Data Engineer

Keycard Labs

full-time

Posted on:

Origin:  • 🇨🇦 Canada

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Job Level

Lead

Tech Stack

Distributed SystemsGoHerokuKafkaOpen SourcePythonRust

About the role

  • Design and build Keycard’s operational and analytics data backbone powering near real-time enforcement and feedback loops
  • Build resilient, observable, low-latency streaming and batch data pipelines
  • Integrate external data sources and enable policy evaluation, dashboards, and APIs
  • Balance streaming and batch paradigms to meet transactional and OLAP needs
  • Deliver APIs, data models, and pipelines that empower developers and security teams
  • Work closely with founders, customers, and cross-functional team members to shape data architecture
  • Own end-to-end delivery with high autonomy and accountability

Requirements

  • Strong experience designing resilient operational and analytics data pipelines balancing streaming and batch
  • Proficiency with Python, Go, and/or Rust
  • Experience with Kafka, Parquet, and Iceberg
  • Experience building streaming and batch systems that serve transactional integrity and OLAP requirements
  • Product-minded, pragmatic, hands-on systems builder with API, pipeline, and storage design experience
  • Experience iterating in 0→1/ambiguous environments
  • Leadership skills: empathetic leader and builder who raises the bar for technical excellence
  • Experience collaborating in distributed/remote teams and strong written communication for async work
  • Experience designing and shipping developer-facing APIs, SDKs, or tools (preferred)
  • Open source contributions to data infrastructure (Kafka, Flink, Iceberg, etc.) (preferred)
  • Experience experimenting with agents and agent-friendly data systems (preferred)
  • Authorization to work in the United States or Canada (required on application)