Lead Full-Stack Engineer — Python/FastAPI + React

EPAM Systems; Poland; Hybrid; PLN 180,000 - 270,000; Full time

Benefits offered by this job

Health insurance

Multisport

Remote within Poland

Employee Stock Purchase Plan

Job summary

EPAM Systems, Inc. is seeking a Lead Full-stack Developer to help build a new product using Python/FastAPI on the back end and React/TypeScript on the front end. The stack includes PostgreSQL, OpenSearch, multi-cloud deployment, and Databricks for data processing.

You will design and implement scalable APIs, optimize complex queries, and contribute across the stack, including data engineering with PySpark. Collaboration with clients and internal teams is expected in a hybrid model within Poland.

Qualifications

• 7+ years producing production Python, FastAPI and SQL.
• Strong web app design, API creation and integrations.
• Experience handling high-load databases and performance tuning.

Responsibilities

• Build and maintain web apps using Python/FastAPI and SQL.
• Improve query performance in production environments.
• Support frontend work with TypeScript and React.
• Collaborate with GenAI engineering tools to speed delivery.
• Own features and drive results in a fast-moving startup.

Skills

Python

FastAPI

SQL

APIs design

OpenSearch

PostgreSQL

Databricks

TypeScript

React

Cloud & IaC

PySpark

Tools

Databricks

PostgreSQL

OpenSearch

Terraform / IaC

Job description

EPAM Systems, Inc. is seeking a Lead Full-stack Developer to help build a new product using Python/FastAPI on the back end and React/TypeScript on the front end. The stack includes PostgreSQL, OpenSearch, multi-cloud deployment, and Databricks for data processing.

You will design and implement scalable APIs, optimize complex queries, and contribute across the stack, including data engineering with PySpark. Collaboration with clients and internal teams is expected in a hybrid model within Poland.