Software Developer L1

Aptos is hiring for the role of Software Developer L1! Responsibilities of the candidate Implement MCP tools that wrap Aptos domain APIs — inventory, orders, customer, store operations — with typed Pydantic schemas, tests, and clear LLM-facing descriptions. Contribute features to Foundry's catalog, testing, and deployment workflows, and to Concierge agent capabilities under guidance from senior engineers. Write well-tested Python (pytest, high coverage expected) against FastAPI services, and keep code passing lint/type gates (ruff, mypy). Add tracing and metrics to your code (OpenTelemetry, Prometheus) and use Langfuse traces to understand and debug agent behavior. Participate in code reviews, design discussions, and on-call rotation as you grow; document what you build. Requirements 1 to 3 years of professional software engineering experience (or strong internship/project record) with solid Python fundamentals. Experience building and testing web APIs (FastAPI, Flask, or Django) and working with relational or analytical databases. Familiarity with Docker and Git-based CI workflows; willingness to learn Kubernetes, Helm, and AWS. Genuine interest in LLM applications — coursework, side projects, or professional exposure to prompting, agents, or model APIs. Strong testing habits and receptiveness to code review feedback.