AI summary
This role involves building and maintaining core components for agent development, including SDK features, server templates, and integration with various AWS services, while also supporting teams and writing tests.
Job Description
You will build and maintain the core components teams use to ship agents: the Python SDK, agent and MCP templates, memory and context services, the agent registry integration and the FastAPI entry layer. You will often own one component end to end, as primary support.
Responsibilities:
- Build SDK features and framework adapters (Strands, Claude Agent SDK, LangGraph), including memory (AgentCore Memory short- and long-term, Redis), skills, prompt management integration, and evaluation hooks.
- Build and maintain agent and MCP server templates for AgentCore Runtime and ECS Fargate, over HTTP and A2A.
- Integrate with the AWS Agent Registry: registration, approval flow, identity-scoped discovery. Build and support RAG and knowledge services (Bedrock Knowledge Bases, OpenSearch vector, ingestion pipelines).
- Write contract and integration tests.
- Keep the release parity gate green.
- Help use-case teams onboard, debug their agents, and feed what you learn back into the platform.
- Take part in on-call or office hours, and in RCAs.
Requirements:
- Advanced English proficiency (C1 or above), with autonomy to communicate directly with international stakeholders
- Extensive years of experience in software engineering, with strong Python: FastAPI or similar, async, packaging, testing.
- 1+ year building LLM-powered applications or agents that reached real users (pilot or production).
- Experience with tool calling, prompt design and handling model failures.
- Familiarity with at least one agent framework (Strands, LangGraph, Claude Agent SDK, OpenAI Agents SDK, CrewAI, LlamaIndex).
- AWS experience: Lambda, ECS/Fargate, IAM, S3, DynamoDB, and Bedrock or SageMaker.
- Experience with RAG: embeddings, vector stores, chunking and retrieval tuning.
- Comfortable with CI/CD, containers (Docker) and infrastructure-as-code (Terraform preferred). Preferred Bedrock AgentCore (Runtime, Harness, Gateway, Memory, Identity, Code Interpreter). MCP server development.
- A2A protocol. Redis/ElastiCache, OpenSearch. Langfuse or similar LLM observability, prompt management and evaluation tools.
- Experience writing internal developer documentation and samples (notebooks, quick starts).
Nice to Have:
- AWS certifications and recent study/project history in agent technology will be accepted in lieu of multiple years of hands-on experience.
About the job
- Posted on
- Nov 5, 2026
- Job type
- Contract
- Location
- BrazilRemote
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