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.

Responsibilities

- Design end-to-end architectures for an AI-powered financial assistant platform
- Build production-grade Python services and APIs using FastAPI
- Define evaluation strategies and test datasets to measure model quality and regressions
- Implement monitoring and failure analysis to detect and triage AI issues in production
- Establish security controls for sensitive data, access, and prompt-injection risks
- Optimize systems for quality, latency, reliability, and cost tradeoffs
- Partner with business users to gather requirements and validate solutions through rapid iteration
- Review, test, and validate AI-generated code from coding agents and assisted workflows
- Drive engineering standards for reliability, maintainability, and code quality
- Coordinate delivery in a low-formality environment with minimal process overhead

Requirements

- 7+ years of Python experience delivering production systems
- Senior leadership experience driving technical direction and mentoring engineers




- Strong system design skills for scalable, secure services
- Deep FastAPI experience or strong proficiency with equivalent Python frameworks
- Expert AI evaluation and quality engineering skills including automated evals and regression testing
- Advanced AI security knowledge including privacy, access control, and prompt-injection mitigations
- High autonomy and self-governance skills with loosely defined problem spaces
- Strong product judgment and edge-case thinking in fast-moving environments
- High quality standards for reliability, maintainability, and observability
- Advanced English proficiency (C1, Advanced)

Nice to have

- Amazon Web Services
- Kubernetes
- Terraform
- ReactJS
- Anthropic Claude Code

We offer

- International projects with top brands
- Work with integral teams of highly skilled, diverse peers
- Healthcare benefits
- Employee financial programs
- Paid time off and sick leave
- Upskilling, reskilling and certification courses
- Unlimited access to the LinkedIn Learning library and 22,000+ courses
- Global career opportunities
- Volunteer and community involvement opportunities
- EPAM Employee Groups
- Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn

📌 Chief Python Engineer (Argentina)
🏢 EPAM Systems
📍 Argentina