Senior Python Engineer

We are looking for a Senior Python Engineer to join our team in Cracow. In this role, you will work closely with cybersecurity experts to develop and deliver software solutions that enhance security for our banking services. You will engage in a variety of engineering activities, including building REST API services, developing data pipelines, and automating testing processes. If you are passionate about leveraging your Python expertise in a dynamic environment, this opportunity is for you. Your tasks Designing, developing, and deploying REST API services for internal usersBuilding data pipelines and ETL jobs to support data integrationCollaborating with cybersecurity experts to refine requirements and propose new solutionsAdhering to microservice design principles to ensure scalability and maintainability of servicesConducting L2/L3 troubleshooting and bug fixing for existing servicesWriting automated test cases and technical documentation to support delivered codePerforming peer reviews and mentoring junior developers in the teamIdentifying bottlenecks in the development process and proposing improvements Requirements Minimum 5 years of experience in Python web development using frameworks such as FastAPI, Flask, or DjangoStrong understanding of microservice architectures and concepts like CQRS, SAGA, and event sourcingExperience with containerization and orchestration tools like Docker and KubernetesProficient in SQL programming with the ability to construct complex queriesKnowledge of cloud data warehouse technologies such as BigQuery and RedShiftStrong sysadmin skills in Linux and a solid understanding of networking conceptsFamiliarity with Git and various branching strategiesGood understanding of frontend development using HTML, CSS, and JavaScriptKnowledge of agile and DevSecOps processes, with experience using tools like Jira and ConfluenceAdvanced level of EnglishWillingness to work from the Kraków office six times per month Job no. JOB-QVBYQ Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws. Benefits For You Great Place to WorkSolid financial situationContracts with the biggest brandsCentre of internal trainingsMany experts you can learn fromOpen and accessible management teamProfit sharingPassion Sponsorship programRegular integration events and tripsComfortable and well-equipped officesMySii appMedical care