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 FastAPI 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 FastAPI 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

ReactJS 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 opportunitiesEPAM Employee Groups

Award-winning culture recognized by Glassdoor, Newsweek and Linked

In #J-18808-Ljbffr

📌 Senior Python Engineer (AI-Powered Financial Assistant) (Argentina)
🏢 EPAM Systems
📍 Argentina