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Horizon3Ai

Senior Backend Engineer, Data & App Platform

Who can apply: US-based role. The employer has not said which states are eligible — confirm before applying.
Location as listed by the employer: “US, Remote”
Apply on Horizon3Ai's site ↗

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About this role

Horizon3Ai is hiring for a Senior Backend Engineer, Data & App Platform role (full-time). See the official posting for full details.

Requirements

  • 4+ years of software engineering experience.
  • Proficiency in Python, Go, or similar languages with experience in large-scale production codebases.
  • Production experience with PostgreSQL including schema design, migrations, and query performance at scale.
  • Experience building and operating large scale distributed services in AWS (or comparable cloud), with containers and orchestration (Docker, Kubernetes).
  • Hands-on experience with production observability tooling (Datadog, OpenTelemetry, or similar).
  • Bachelor's degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience.
  • Production experience with event-driven architectures or streaming platforms — Kafka strongly preferred; Kinesis or Flink also relevant.
  • Experience migrating a live system from batch to streaming, or decomposing a monolith into services, without customer-facing regression.

Summarized from the employer's posting — check the full posting for every requirement.