AI Developer (Intern) - Beta Tester
ConcentrateAi
Software Engineering, Data Science
United States
Posted on Mar 20, 2026
Concentrate provides one OpenAI-compatible API to access, route, and manage models across leading AI providers and open-source models through a single endpoint. We help teams save time, lower token spend with credits back from our bulk purchasing power, improve reliability, and avoid vendor lock-in.
We’re inviting technical builders to join our beta and stress test the platform before public launch.
Potential paid work down the line.
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.
- Try us out in Cursor, Claude Code, and other AI coding tools.
- Submit recommendations to improve docs
- 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 don't just use AI in chat tools
- 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 upon successful completion of thorough testing
- Early access to new features
- Direct line to founders
- Potential paid work down the line