Senior Python Developer with Spark

We are seeking a skilled and passionate Python Developer with a strong foundation in Object-Oriented Programming (OOP) and proven experience in building scalable microservices. The ideal candidate should be able to design, develop, test, and maintain robust backend systems. Exposure to PySpark and big data processing is a plus. 

Key Responsibilities:

• Design and implement scalable, reliable, and maintainable microservices using Python. 
• Apply object-oriented principles and design patterns to build modular and reusable components. 
• Collaborate with cross-functional teams to define, design, and ship new features. 
• Develop APIs and services for data-intensive applications. 
• Write clean, efficient, and testable Python code. 
• Optimize applications for maximum performance, scalability, and security. 
• Conduct code reviews, unit testing, integration testing, and assist in deployment. 
• Work with CI/CD pipelines for automated testing and deployment. 
• Document design decisions, system architecture, and code functionality. 
• Work with PySpark to develop distributed data processing pipelines. 

Requirements:

• 4+ years of professional experience in Python development.
• Strong understanding and hands-on experience with Object-Oriented Programming (OOP) and design patterns.
• Proven experience in designing and implementing microservices architectures.
• Proficiency in RESTful API design and web service development.
• Experience with FastAPI or similar Python web frameworks.
• Familiarity with observability tools and practices (e.g., Grafana).
• Hands-on experience with PySpark and distributed data processing.
• Solid grasp of system performance, scalability, and reliability principles.
• Availability to work from the office twice a week.
• Candidates from Łódź: openness to travel to the client’s office in Kraków for three days every two months.

Nice to have:

• Experience with CI/CD pipelines and related tools (e.g., Jenkins, GitLab CI).
• Familiarity with Docker and version control systems like Git.
• Understanding of monitoring, logging, and performance tuning techniques.
• Exposure to Agile/Scrum development methodologies.
• Strong problem-solving, debugging, and communication skills

We offer:

• Working in a highly experienced and dedicated team
• Competitive salary and extra benefit package that can be tailored to your personal needs (private medical coverage, sport & recreation package, life insurance, etc.)
• Contract of employment or B2B contract
• On-line training and certifications fit for career path
• Social events
• Access to e-learning platform