Backend API Engineer

AHEAD

Location not specified Remote

Posted: December 9, 2025

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Required Skills

Tuning FastAPI Node.js Lambda ECS WebSocket Routing Rate limits Token streaming Bedrock calls

Job Description

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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