Full Time

Senior Backend Engineer

Haystack
Full-time
Mid-Senior level
Technology, Information and Internet
United States
$140,000 - $210,000* / year (about $67–$101 an hour)

Job Description

An employer is seeking a Senior Backend Engineer to join their team, focusing on building API-driven marketplace products.

The Role

  • Design, build, and maintain scalable, secure backend services and REST APIs.
  • Own features from design and implementation through testing, deployment, and monitoring.
  • Model, evolve, and optimize PostgreSQL data layers.
  • Integrate with third-party APIs and internal services, ensuring reliability and clean error handling.
  • Write automated tests and deploy/operate services in a cloud environment, including CI/CD and observability.

What You'll Need

  • 5+ years of professional backend engineering experience with a strong record of delivering production systems.
  • Strong proficiency in Python and modern API frameworks (FastAPI or similar).
  • Solid experience designing and building RESTful APIs and backend services.
  • Strong PostgreSQL skills, including schema design and performance tuning.

What's On Offer

  • Contract-to-hire engagement with a path to full-time employment.
  • Competitive contract rate with full-time salary and equity on conversion.
  • Opportunity to work with AI-powered development tools.

Apply via Haystack today!

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