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 APIs with OpenAPI 3.1 - Familiarity with LLM platforms (Amazon Bedrock, OpenAI, Gemini, etc.) - Solid understanding of security best practices and CI/CD workflows - Excellent communication skills across time zones Bonus Points For - Experience with semantic caching, vector databases, or RAG architectures - Familiarity with AI/ML evaluation pipelines and prompt management - PHP/Laravel SDK development experience Why This Role Stands Out You'll 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. Apply NOW! Salary starts at $5000/month Originally posted on Himalayas