Senior Python Developer | Wroclaw

Senior Python DeveloperWork mode: Hybrid – 3 days per week from WrocławAbout the ProjectWe are looking for a Senior Python Developer to join a project for our client in the financial sector. The company operates in areas including transaction processing, risk analysis, and financial data platforms. You will be part of a team developing scalable, secure, and data-intensive backend applications supporting banking and investment-related processes. Key ResponsibilitiesDesign, develop, and maintain backend applications and services using PythonBuild reliable, scalable, and high-performance REST APIs and backend servicesWork with large datasets and data-intensive applicationsDevelop solutions for financial data processing and transaction-related workflowsOptimize application performance, scalability, and resource utilizationWrite clean, testable, maintainable, and well-documented codeApply software engineering best practices, including code reviews, testing, and secure developmentCollaborate with other developers, engineers, and stakeholders to deliver high-quality solutionsMust Have – Required Skills & ExperienceStrong proficiency in Python, including object-oriented and functional programmingSolid experience in backend development and API designExperience working with large datasets and data-intensive applicationsStrong understanding of software engineering principles, design patterns, and best practicesGood understanding of application security, scalability, and performanceExperience working in a professional software development environmentNice to HaveExperience with FastAPI or FlaskKnowledge of Docker and KubernetesExperience with CI/CD pipelinesFamiliarity with financial instruments, transaction processing, or banking systemsExperience with cloud-native architecturesKnowledge of automated testing and observability toolsWhat We’re Looking ForWe are looking for someone who can take ownership of backend components, make sound technical decisions, and build robust Python solutions for complex, data-intensive financial applications.