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AI Engineer - Beta Tester

ConcentrateAi

ConcentrateAi

Software Engineering, Data Science
San Francisco, CA, USA
Posted on Feb 26, 2026

Concentrate provides a unified, OpenAI-compatible API to route and manage LLMs across providers. We’re inviting technical builders to join our beta and stress test the platform before public launch.

Remote · Free Credits · Unpaid

What You’ll Do
  • Integrate our unified API into a real workflow or product, replacing direct-to-provider calls and validating it under real usage.
  • Test multi-model routing strategies across cost, latency, quality, and failover scenarios.
  • Stress test reliability by pushing edge cases, async behavior, streaming, and provider outages.
  • Evaluate logs and usage analytics to assess visibility, governance, and spend tracking.
  • Submit clear, structured feedback with reproducible bugs and actionable improvement suggestions.
You’re a Fit If
  • You actively build LLM-powered features.
  • You’ve worked with multiple model providers and understand integration friction.
  • You’re comfortable debugging APIs and distributed systems.
  • You care about cost optimization, reliability, and control.
  • You communicate clearly and concisely in writing.
What You Get
  • Free API credits
  • Early access to new features
  • Direct line to founders
  • Potential paid design partner opportunity