Postúlate en Kit Empleo: kitempleo.cl/empleo/1cpbvl

We are building secure, scalable AI-driven API services in our AI Pods team, using LLM orchestration to connect language models with internal systems and tools. As a Lead Backend Developer, you will own API contracts and reliability while engineering evaluation, observability, fallbacks, and cost-aware patterns for distributed services. Join us and apply now.
Responsibilities
Design and implement backend API services paired with LLM orchestration layers
Build and maintain advanced RAG pipelines including document ingestion, chunking, embedding, and retrieval tuning
Develop and integrate agent tools with LangChain, LangGraph and potentially MCP (Model Context Protocol)
Enforce security, privacy, enterprise-grade observability, and test coverage across backend workflows
Lead architecture decisions and uphold engineering standards within the pod
Collaborate with frontend engineers, data engineers and infrastructure teams to deliver end-to-end capabilities
Own API contracts and service reliability, ensuring graceful handling of AI edge cases and failures
Provide stable,



reusable orchestration frameworks and logic intended for downstream developer use
Requirements
Proven backend engineering experience (5+ years) focused on microservices and distributed systems
Hands-on Python experience (3+ years) building high-performance backend services and cloud-native APIs
Expert-level knowledge of AWS, Docker and ECS/EKS in production environments
Solid experience designing and delivering RESTful API services
Strong understanding of secure coding practices with dependable auth/authz fundamentals
Upper-Intermediate English proficiency (B2)
Nice to have
2+ years of production experience with AI SDKs such as OpenAI, Anthropic/Claude or AWS Bedrock
Exposure to vector stores (Amazon Kendra, OpenSearch) plus embedding strategies and retrieval systems
Practical experience delivering solutions with agentic frameworks like LlamaIndex
Hands-on use of AI evaluation tooling or real-time APM pl

Postúlate en Kit Empleo: kitempleo.cl/empleo/1cpbvl

📌 Lead Backend Developer (Chile)
🏢 Empresa líder
📍 Chile