We are looking for a Chief Python Engineer to build a next-generation AI-powered financial assistant platform and need a highly autonomous senior engineer to shape architecture, quality, and delivery. You will work in a small, high-competence team to rapidly iterate on chat, reporting, and bespoke interfaces for client workflows.ResponsibilitiesDesign end-to-end architectures for an AI-powered financial assistant platformBuild production-grade Python services and APIs using FastAPIDefine evaluation strategies and test datasets to measure model quality and regressionsImplement monitoring and failure analysis to detect and triage AI issues in productionEstablish security controls for sensitive data, access, and prompt-injection risksOptimize systems for quality, latency, reliability, and cost tradeoffsPartner with business users to gather requirements and validate solutions through rapid iterationReview, test, and validate AI-generated code from coding agents and assisted workflowsDrive engineering standards for reliability, maintainability,



and code qualityCoordinate delivery in a low-formality environment with minimal process overheadRequirements7+ years of Python experience delivering production systemsSenior leadership experience driving technical direction and mentoring engineersStrong system design skills for scalable, secure servicesDeep FastAPI experience or strong proficiency with equivalent Python frameworksExpert AI evaluation and quality engineering skills including automated evals and regression testingAdvanced AI security knowledge including privacy, access control, and prompt-injection mitigationsHigh autonomy and self-governance skills with loosely defined problem spacesStrong product judgment and edge-case thinking in fast-moving environmentsHigh quality standards for reliability, maintainability, and observabilityAdvanced English proficiency (C1, Advanced)Nice to haveAmazon Web ServicesKubernetesTerraformReactJSAnthropic Claude CodeWe offerInternatio

📌 Chief Python Engineer (México)
🏢 Epam Systems
📍 México