Senior Python AI Engineer for Next-Gen Financial Assistant

EPAM Systems; México; On-site; MXN 900,000 - 1,300,000; Full time

Benefits offered by this job

Healthcare benefits

Global career opportunities

Paid time off

Upskilling courses

LinkedIn Learning access

Job summary

EPAM Systems in Mexico is 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.

You will design end-to-end AI-assisted product features, build Python services with FastAPI, address scale, security, and maintainability, and collaborate with

Qualifications

• 3+ years of professional software engineering experience with Python or similar languages.
• Strong hands-on experience with FastAPI or comparable Python web frameworks.
• Proven 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.

Responsibilities

• Design end-to-end AI-assisted product features from discovery through production release.
• Build Python services and APIs using FastAPI to power chat, reporting, and bespoke interfaces.
• Define system designs that address scale, reliability, security, and maintainability requirements.
• Partner with 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.

Skills

Python

FastAPI

System design

LLM evaluation

Client collaboration

Code quality

Tools

AWS

Kubernetes

Terraform

ReactJS

Next.js

Job description

EPAM Systems in Mexico is 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.

You will design end-to-end AI-assisted product features, build Python services with FastAPI, address scale, security, and maintainability, and collaborate with