Senior Python Developer (Databricks & React)

Quick Facts

Role: Senior Python Developer (Databricks & React)

Team/Focus: Risk Technology — modern data and application solutions

Work model: Hybrid (2 days/week in Wrocław or Poznań)

Start: ASAP

Budget: 130–150 PLN net/hour (B2B)

Eligibility: EU citizenship and residence in Poland

Description

Develop modern data and application solutions on the Databricks platform. Build and maintain data products using the Medallion Architecture (Bronze, Silver, Gold) and create business-facing analytics and workflow applications with React and/or Databricks Apps.

Responsibilities

• Design, build, and support data solutions using Python, PySpark, SQL, and Databricks
• Develop and maintain Gold Layer data products for reporting, analytics, and business processes
• Create interactive applications using React and/or Databricks Apps
• Build scalable data pipelines, APIs, and reusable services
• Collaborate with business stakeholders, data engineers, and product owners
• Drive best practices in code quality, testing, CI/CD, security, and documentation
• Mentor junior developers and contribute to architecture and design decisions

Requirements

• Minimum 5 years of experience in Python development
• Strong Python development experience, including PySpark
• Hands-on Databricks experience, including Delta Lake and Medallion Architecture
• Experience developing React applications
• Strong SQL and data modelling skills
• Experience building enterprise-grade data pipelines and APIs
• Knowledge of Git, DevOps, CI/CD, and Agile delivery methodologies
• Very good English skills
• EU citizenship and residence in Poland

Benefits

• Hybrid working model
• Dynamic and innovation-driven engineering environment
• Full-time B2B agreement
• Private medical care with dental care (70% covered)
• Multisport card (also for accompanying person)
• Life insurance