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Senior Python Developer
  • Wrocław
Senior Python Developer
Wrocław, Wrocław, Lower Silesian Voivodeship, Polska
Sii Sp. z o.o.
15. 4. 2025
Informacje o stanowisku

technologies-expected :


  • Python
  • C++
  • .NET
  • micr
  • AWS

technologies-optional :


  • Databricks
  • GitHub

about-project :


  • The Embedded Competency Center is an organizational unit of Sii, that brings together over 500 specialists. Currently, we are looking for a Senior Python Developer, 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, to join our team.
  • Join us and work while learning and developing yourself on projects that impact our communities and society!

responsibilities :


  • Translating and aligning functional requirements with technical concepts to ensure clarity and effective implementation
  • Estimating solution design and detailed technical design, including application deliverables such as code, tests, and documentation
  • Providing solutions following enterprise technology principles, methods, standards, and practices
  • Delivering business-critical applications in Python with scalable architecture design and applications using an event-driven microservices architecture
  • Managing databases, addressing performance issues, particularly with SQL Server and complex integration scenarios and interfaces across the ETRM landscape
  • Contributing to the definition and maintenance of standards, methods, and tools, incorporating best practices from market implementations
  • Developing and maintaining solution patterns and best practices for software development
  • Designing and maintaining robust back-end systems in Python
  • Leveraging Azure, GitHub Actions, CI/CD pipelines, Cache techniques, and SQL databases for efficient application development
  • Collaborating with cross-functional teams, including analysts and business stakeholders, to deliver innovative and aligned solutions
  • Optimizing application performance and scalability using performance monitoring and tuning tools
  • Implementing security best practices in software development, ensuring compliance with relevant frameworks and standards
  • Fostering a culture of innovation and continuous learning, staying updated with industry trends and technologies

requirements-expected :


  • 10 years of relevant software development experience with Python
  • Extensive delivery experience of Behavior-Driven Development (BDD) and writing testable code
  • Proven knowledge working in agile teams, demonstrating the application of agile principles with lean thinking
  • Understanding of blending data engineering with core software engineering
  • Desirable experience with other programming languages (C++, .NET) and frameworks
  • Acquaintance with cloud platforms (e.g., Azure, AWS) and containerization technologies (e.g., Docker, Kubernetes)
  • Proficient in profiling and optimizing Python code
  • Awareness of executable documentation concepts
  • Experience in providing support for trading applications with FastAPI and async processing
  • Residing in Poland required

offered :


  • 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

  • Praca Wrocław
  • Wrocław - Oferty pracy w okolicznych lokalizacjach


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