Senior Full-Stack Engineer: Python, React, APIs & Data

EPAM Systems; Poland; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Hybrid work by design

Remote work within Poland

Work abroad up to 60 days annually

Relocation opportunities

Employee Stock Purchase Plan (15% off)

Health insurance

Job summary

EPAM Systems is seeking a Senior Full-stack Engineer to strengthen the fund's operational foundation by expanding the application and deepening insights for the Infrastructure team.

You will modernize data ingestion pipelines, develop REST APIs with Python/FastAPI, and enrich executive dashboards to support decision-making, all while ensuring data accuracy, reliability and transparency across PostgreSQL, Snowflake and related systems.

Qualifications

• 5+ years of experience in full-stack development with ReactJS.
• Proficiency in Python for business logic and orchestration.
• Expertise in FastAPI for high-performance REST APIs.
• Skills in PostgreSQL for operational data storage and workflow tracking.
• Familiarity with Snowflake for data warehousing and analytics.
• Understanding of data accuracy, reliability and transparency principles.
• English proficiency at B2 level or higher.

Responsibilities

• Enhance and modernize data ingestion pipelines for scalable data processing.
• Develop and maintain high-performance REST APIs with Python and FastAPI.
• Enrich dashboards and reporting to support decision-making for executives.
• Improve monitoring and audit workflows to ensure data accuracy and reliability.
• Maintain operational data storage, application metadata and audit logs in PostgreSQL.
• Support ingestion, financial calculations and historical reporting within Snowflake.
• Orchestrate business logic and service processing to strengthen platform reliability.
• Collaborate with the Infrastructure team to align solutions with fund operations.

Skills

ReactJS

Python

FastAPI

PostgreSQL

Snowflake

Data quality

English (B2+)

Tools

Dagster

Kestra

dbt

AG Grid

React.js

Job description

EPAM Systems is seeking a Senior Full-stack Engineer to strengthen the fund's operational foundation by expanding the application and deepening insights for the Infrastructure team.

You will modernize data ingestion pipelines, develop REST APIs with Python/FastAPI, and enrich executive dashboards to support decision-making, all while ensuring data accuracy, reliability and transparency across PostgreSQL, Snowflake and related systems.