Senior Python Developer

Quick Facts

• Role: Senior Python Developer

Description

Design, build, and maintain data solutions using Python, PySpark, SQL, and Databricks (Delta Lake/Medallion Architecture). Develop interactive analytics applications with React and/or Databricks Apps, and create scalable data pipelines, APIs, and reusable services. Work with business stakeholders and data engineering teams to deliver high-quality reporting and analytics solutions.

Responsibilities

• Collaborate long-term with a consulting delivery team working across multiple industries

• Build and maintain data solutions for the Risk Technology team

• Develop and maintain Gold Layer products (Medallion Architecture) supporting reporting, analytics, and business processes

• Create interactive analytics applications using React and/or Databricks Apps

• Build scalable data pipelines, APIs, and reusable services

• Partner with business stakeholders, data engineers, and Product Owners

• Promote code quality, testing, CI/CD, security, and documentation best practices

• Mentor junior developers and contribute to architectural/project decisions

Requirements

• Several years of commercial Python development, including PySpark

• Practical Databricks experience including Delta Lake and Medallion Architecture (Bronze/Silver/Gold)

• Experience with React

• Advanced SQL and data modeling

• Experience building enterprise data pipelines and APIs

• Knowledge of Git, DevOps, CI/CD, and Agile

• Hybrid work readiness: 2 days per week in Wrocław or Poznań

• English B2–C1

• Availability ASAP (max one-month notice, effective end of month)

Benefits

• Long-term cooperation; pay 130–160 PLN net/hour + VAT

• Support for starting and running a business

• Fast recruitment process: two technical interviews with managers (online, up to 1 hour each)

• Hybrid model: 2 office days per week in Wrocław or Poznań

• Private medical care; Multisport card

• Modern hardware with required software and configuration