We are seeking a Senior Python Engineer to build a next-generation AI-powered financial assistant platform that brings chat, reporting, and tailored interfaces into investment workflows. You will work in a small, highly competent team with high autonomy to design and deliver production-grade AI features end-to-end. Responsibilities Design end-to-end AI-assisted product features from discovery through production release Build Python services and APIs using Fast API to power chat, reporting, and bespoke interfaces Define system designs that address scale, reliability, security, and maintainability requirements Partner with sophisticated client stakeholders to gather requirements and validate solutions Develop evaluation frameworks for LLM quality, including test datasets and automated regressions Implement monitoring and failure analysis workflows to detect and diagnose AI behavior in production Harden AI applications with security controls against privacy risks and prompt-injection attacks Optimize AI solutions for quality, latency, reliability, and cost in real-world usage Review, test, and validate AI-generated code from coding agents and AI-assisted tools Ship iterative improvements quickly based on feedback while preserving a high quality bar Requirements3+ years of professional software engineering experience with Python or similar languages Strong hands-on experience with Fast API or comparable Python web frameworks Proven experience with forward deployed engineering in close partnership with clients Demonstrated experience shipping LLM-based applications and Gen AI assisted development workflows Experience with AI evaluation and quality engineering including automated evals and regression testing Strong system design skills for scalable, reliable, secure services High ownership and autonomy with ability to take loosely defined problems to production delivery Strong product judgment with ability to gather requirements and identify edge cases Strong quality mindset focused on reliability, maintainability, and observability Strong security fundamentals for sensitive data including access control and privacy practices Strong optimization skills across latency, reliability, cost, and model quality trade-offs Strong collaboration and communication skills in low-formality startup-like environments Advanced English proficiency (C1, Advanced)Nice to have Amazon Web Services experience Kubernetes experience Terraform experience React JS experience Next.js experience We offer International projects with top brands Work with global 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 Linked In Learning library and 22,000+ courses General career opportunities Volunteer and community involvement opportunities EPAM Employee Groups Award-winning culture recognized by Glassdoor, Newsweek and Linked In EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.
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📌 Senior python engineer (ai-powered financial assistant) (Ciudad de México)
🏢 Epam Systems
📍 Ciudad de México