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Backend API Engineer
Backend API EngineerAHEAD • Chicago, IL, United States
Backend API Engineer

Backend API Engineer

AHEAD • Chicago, IL, United States
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The Backend API Engineer will build the APIs and platform services that agents and the UI consume. They will also be responsible for performant, reliable, secure endpoints and real-time interfaces enabling token streaming, traces, and event-driven workflows.

Responsibilities

  • Build APIs using FastAPI / Node.js in AWS Lambda or ECS / EKS.
  • Implement WebSocket support for streaming agent output.
  • Manage routing, rate limits, token streaming, session management.
  • Implement signed Bedrock calls through VPC endpoints.
  • Partner with Front-End and Agent Engineers on schema contracts.
  • Integrate EventBridge, SQS / SNS, SecretsManager.

Qualifications

  • Production microservice experience.
  • Bedrock API + token streaming experience.
  • Secure API design competency.
  • Strong performance optimization skills.
  • Minimum - bachelor's degree in computer science or software engineering.
  • Preferred - AWS Developer certifications.
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