Back to SearchSenior Backend Developer, AI Pods
Remote in Argentina, & 2 others
Python.AI& 10 others
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We are seeking a Senior Backend Developer to join our AI Pods team, building robust AI-powered API services and agentic workflows. This role focuses on language model interaction with internal systems, vector databases, and external tools via orchestration frameworks, treating LLMs as components in a secure, scalable distributed system.
Responsibilities
- Design and build backend API services and LLM orchestration layers
- Own API contracts and service reliability end-to-end, ensuring AI edge cases fail gracefully
- Integrate LLMs using rigorous systems engineering, bake in evaluation, observability, fallback handling, and cost awareness
- Implement and maintain complex RAG pipelines, including document ingestion, chunking, embedding, and retrieval optimization
- Develop and connect agent tools using LangChain, LangGraph, and potentially MCP (Model Context Protocol)
- Build reliable, reusable orchestration frameworks and logic for downstream developer consumption
- Ensure security, privacy, enterprise-grade observability, and test coverage across all backend workflows
- Contribute to architecture decisions and engineering standards within the pod
- Collaborate with frontend engineers, data engineers, and infrastructure teams
Requirements
- 3+ years of backend engineering experience, focused on microservices and distributed systems
- Proficiency in Python for high-performance backend services and cloud-native APIs
- Familiarity with AWS, Docker, and ECS/EKS
- Knowledge of RESTful APIs
- Understanding of secure coding practices and strong auth/authz fundamentals
- English proficiency at B2 level or higher
Nice to have
- 1+ years of hands-on experience with AI SDKs (OpenAI, Anthropic/Claude, AWS Bedrock, or equivalent) in production
- Practical experience with vector databases (Amazon Kendra, OpenSearch), embedding strategies, and retrieval systems
- Hands-on experience with LangChain, LlamaIndex, or LangGraph
- Familiarity with AI evaluation tooling or real-time APM (LangSmith, Langfuse, Arize)
- Skills in React and TypeScript
- Experience deploying to EKS environments at scale
- Understanding of agent interoperability patterns (MCP)
- Knowledge of identity/security domain (IAM, CIAM)
- Flexibility to use secondary languages such as Java, Node.js, or Go