Experteer Overview

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As a Senior Backend Engineer, you will architect and evolve a maintainable, high-performance backend platform behind AI inference endpoints. You’ll own multi-tenant systems handling authentication, API keys, usage metering, and billing, enabling scalable AI-powered solutions. You collaborate with AI infrastructure and data teams to deliver secure, observable, and resilient services at scale. This role offers ownership of core platform decisions and a chance to shape reliable, high-throughput systems in a collaborative culture.

Compensaciones / Incentivos
• Design and build core platform services: API gateway, authentication, authorization, key rotation, and multi-tenant isolation
• Develop and optimize APIs and backend systems using Python (primarily FastAPI; possible Flask or Django)
• Implement usage metering, billing integration, and rate limiting for inference endpoints




• Build scalable, fault-tolerant microservices for data processing and AI integration
• Operate a high-throughput proxy/routing layer for AI model serving traffic
• Collaborate with cross-functional teams to ensure seamless system interoperability
• Incorporate telemetry and observability: structured logging, distributed tracing, metrics, alerting
• Establish CI/CD pipelines, monitoring, and observability for production systems
• Drive architectural decisions on data modeling and technology choices
• Identify bottlenecks and improve reliability, scalability, and latency
• Set engineering standards for backend codebase: testing, code review, deployment practices
• Ensure security, compliance, and maintainability across the API lifecycle
• Collaborate with ML infrastructure to integrate with model serving systems (e.g., NVIDIA Dynamo, vLLM, SGlang, TensorRT-LLM)

Responsabilidades
• Senior ba

📌 Lead Senior Backend Engineer (Granada)
🏢 Deutsche Telekom
📍 Granada