About the project

• The Embedded Competency Center is an organizational unit of Sii that brings together almost 500 specialists. We are currently looking for a Python Developer to support one of our clients. The Python Developer is a skilled professional with a strong track record in software engineering best practices, dedicated to delivering software products and applications that create significant business value. This individual will embody a continuous improvement mindset, focusing on optimizing processes and applications based on value-driven principles. The ideal candidate thrives in a global team environment and has substantial experience within the energy trading sector, demonstrating the ability to collaborate effectively and drive innovation.

Your responsibilities

• Interpreting functional requirements and aligning them with technical concepts to ensure clarity and successful implementation
• Developing solutions in line with project patterns, methodologies, standards, and industry best practices
• Delivering scalable, business-critical applications using Python
• Building applications based on an event-driven microservices architecture
• Managing databases with a focus on performance optimization, particularly in SQL Server environments
• Handling complex integration scenarios and managing interfaces across the ETRM (Energy Trading and Risk Management) landscape
• Designing, developing, and maintaining robust back-end microservices using Python
• Leveraging Azure services, GitHub Actions, CI/CD pipelines, caching techniques, and SQL databases for efficient development workflows
• Optimizing application performance and scalability through monitoring and tuning tools
• Implementing security best practices and ensuring compliance with relevant standards and frameworks

Our requirements

• At least 6 years of experience in Python software development
• Familiarity with Domain-Driven Design (DDD)
• Proficiency in writing testable code using Behavior-Driven Development (BDD)
• Experience working in agile teams and applying agile and lean methodologies
• Application of data engineering techniques alongside core software development practices
• Hands-on use of CI/CD tools; GitHub Actions experience is a plus
• Experience with cloud platforms, especially Microsoft Azure
• Proficiency with containerization technologies (e.g., Docker)
• Skills in profiling and optimizing Python code for performance
• Previous work with implementing solutions with FastAPI and asynchronous processing
• Fluent communication in English, both spoken and written
• Residency in Poland

Technologies we use

This is how we work on a project

• BDD

• DDD

• Continuous Deployment

• Continuous Integration

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas

• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market

• We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022

• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more

• Comfortable workplace – class A offices or remote work

• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application

• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers

• Investment in your growth – meetups, webinars, training platform and technology blog – you choose

• Fantastic atmosphere created by all Sii Power People