Senior AI Platform Engineer (Python + AWS)

0825 - 294LUL | Senior AI Platform Engineer (Python + AWS)

Remote | LATAM | Full-Time

One of TalentCross's 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 that's transforming a legacy industry with cutting-edge technology and a global-first mindset.

What You'll Be Doing

You'll 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 • Strong AWS expertise: Lambda, ECS, SQS, DynamoDB, ElastiCache, Aurora, Redshift • Proven experience designing REST…