Senior Full-Stack Engineer: Python/FastAPI + React/TypeScript

EPAM Systems; Poland; Hybrid; PLN 210,000 - 280,000; Full time

Benefits offered by this job

Hybrid work model

Work abroad up to 60 days annually

Relocation opportunities

Employee Stock Purchase Plan (15% off)

Job summary

EPAM Systems is seeking a Senior Full-stack Developer to deliver Python/FastAPI services and React/TypeScript UI at scale in a multi-cloud environment. You will work with PostgreSQL, OpenSearch and Databricks, optimize performance, design APIs and own features across the stack.

The role emphasizes collaboration, striving for excellence, and balancing ambiguity with delivering concrete results in a hybrid setup in Poland.

Qualifications

• 5+ years of production experience with Python, FastAPI and SQL.
• Strong API design and third-party integration skills.
• Experience tuning high-load databases.
• Frontend knowledge: TypeScript and React; willing to contribute across stack.
• GenAI tools experience, ideally Claude Code.
• Excellent communication and proactive, self-directed.

Responsibilities

• Build and support web applications using Python/FastAPI and SQL.
• Design APIs and integrations for high-load databases.
• Tune query performance across production environments.
• Implement front-end features with TypeScript and React.
• Leverage GenAI tools to enhance development workflows.
• Collaborate with team while delivering assigned work independently.
• Communicate with teammates and stakeholders early and often.
• Own product features and ship results in a fast-paced startup environment.
• Operate effectively in ambiguity and deliver results.

Skills

Python

FastAPI

SQL

TypeScript

React

GenAI tools

English (B2)

API design

High-load databases

Tools

PostgreSQL

OpenSearch

Databricks

Job description

EPAM Systems is seeking a Senior Full-stack Developer to deliver Python/FastAPI services and React/TypeScript UI at scale in a multi-cloud environment. You will work with PostgreSQL, OpenSearch and Databricks, optimize performance, design APIs and own features across the stack.

The role emphasizes collaboration, striving for excellence, and balancing ambiguity with delivering concrete results in a hybrid setup in Poland.