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Principal Software Engineer (Data Ingest Platform)

Expel

$163,300 - $242,600
Oct 17, 2025
Remote, US
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Expel is looking for a Principal Engineer to lead the technical vision and architecture of their Data Ingest Platform, aiming to make security easy to understand, use, and improve. The role involves ensuring the scalability, reliability, and efficiency of data flow, which is critical for Expel's security operations and services.

Requirements

  • Expert-level skills in designing, building, and operating large-scale distributed systems.
  • Professional experience developing in Go and/or Python.
  • Hands-on experience with cloud and data technologies like Google Cloud (BigQuery, Pub/Sub) or AWS equivalents (Redshift, SQS, Kinesis), along with databases like Postgres and Redis.
  • Specific expertise in workflow or task orchestration systems (like Airflow, Prefect, or custom platforms) and a history of creating frameworks or APIs.
  • Designing elegant frameworks and APIs that other engineers love to use.
  • Tough orchestration and scalability problems as puzzles waiting to be solved.
  • Building a platform that makes other developers 10x more productive.

Responsibilities

  • Be the technical visionary for our core Data Ingest Platform, architecting its future to handle ever-increasing scale and complexity.
  • Build the tools, frameworks, and developer experience that make our integration engineers wildly successful and happy.
  • Roll up your sleeves and write code for the most critical parts of the platform, setting the standard for quality, performance, and reliability.
  • Architecting its future to handle ever-increasing scale and complexity.
  • Designing elegant frameworks and APIs that other engineers love to use.
  • Tough orchestration and scalability problems as puzzles waiting to be solved.
  • Building a platform that makes other developers 10x more productive.

Other

  • A deep-seated passion for building platforms and tools that empower other engineers.
  • A strong sense of empathy for your users (in this case, other developers!) and a drive to improve their experience.
  • The ability to lead through influence, communicate complex ideas clearly, and mentor other senior engineers.
  • Typically 10+ years of professional software engineering experience.
  • We’re only hiring those authorized to work in the United States. We do not currently sponsor immigration visas.