ResponsibilitiesArchitect, develop, and maintain high-quality Python libraries and modules used by enterprise clients worldwide.Ensure Python libraries and modules are secure and free from vulnerabilities in both code and dependencies.Define, promote, and enforce Python coding conventions, linters, static analysis, and architectural guardrails.Perform (and lead) code reviews that catch design or performance issues early.Build internal libraries, shared modules, or tooling that abstract common patterns and increase team velocity.Work collaboratively with Product, QA, DevOps, and other engineers to translate requirements into reliable, maintainable implementations.Profile, monitor, and optimize performance, memory usage, and resource consumption of Python services.Contribute to API design, interface contracts, data models, and integration strategies.Stay current in the Python ecosystem and introduce innovations or best practices where appropriate.Document high-level architecture, module contracts, and design rationale.Mentor development teams via pair programming, review feedback, internal sessions, and guidance.Required QualificationsDegree in Computer Science, Engineering, or a related field.Professional experience (5+ years) with Python development, with a track record of delivering large-scale projects.Deep mastery of Python, including language internals, decorators, concurrency, threading/async, and memory management.Experience designing, creating, and maintaining Python packages.Proficiency with testing frameworks (pytest or unittest), CI/CD pipelines, and package managers (uv, conda, pip).Publications and contributions to open-source Python libraries and community involvement (PyPI).Excellent problem-solving skills, system thinking, and debugging large systems.Strong communication skills (verbal/written).Experience working with MS Office/Excel, Google Suite, Notion, Slack.Ability to travel as needed to support events and meet the team.Portuguese - Fluent.English - Advanced.Preferred QualificationsExperience with asynchronous frameworks, event loops, or systems like Celery, asyncio, RPC frameworks, or message brokers.Experience with Rust and integrating Python with Rust.Solid experience with relational (e.g. PostgreSQL) and non-relational databases, ORM tools, and schema design.Familiarity with cloud infrastructure (AWS, GCP, or Azure), containers (Docker), and deployment orchestration.Relevant hands-on experience with automation projects.Prior experience in an early-stage, high-growth, and fast-paced startup environment.Escolaridade mínima: Ensino Superior - Concluído