Senior AI Platform Engineer (Python + AWS)

About the job Senior AI Platform Engineer (Python + AWS)
Remote | LATAM | Full-Time

One of TalentCrosss most innovative and high-impact clients is hiring a

Senior AI Platform Engineer

to help build the backbone of their AI infrastructure. This is a rare opportunity to work with a fast-scaling SaaS company thats transforming a legacy industry with cutting-edge technology and a global-first mindset.

What Youll Be Doing
Youll lead the design and delivery of a mission-critical AI platform layer that powers all products across the company. This includes:

Building cloud-native APIs in Python (FastAPI) on AWS (API Gateway, Lambda, ECS Fargate)

Defining OpenAPI 3.1 specs and generating SDKs (PHP, JS) for seamless integration

Optimizing performance with caching, idempotency, rate limiting, and request deduplication

Engineering fault-tolerant systems with circuit breakers and policy-based routing

Implementing observability dashboards using CloudWatch and Datadog

Orchestrating async jobs via SQS, Step Functions, and EventBridge

Collaborating with product teams to ensure smooth developer experience

Driving cost and model quality optimization initiatives

What You Bring

5+ years backend development experience

3+ years with Python (FastAPI preferred), async programming, and streaming

2+ years working with distributed/cloud-native systems

Proven experience designing REST APIs with OpenAPI 3.1

Familiarity with LLM platforms (Amazon Bedrock, OpenAI, Gemini, etc.)

Solid understanding of security best practices and CI/CD workflows

Bonus Points For

Experience with semantic caching, vector databases, or RAG architectures

Familiarity with AI/ML evaluation pipelines and prompt management

Why This Role Stands Out
Youll be building the central nervous system for all AI-powered features—high visibility, high impact, and a mandate to deliver reliability, performance, and security at scale. The team is remote-first, globally distributed, and deeply committed to innovation.

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