Senior Integration Developer

We are looking for an experienced Integration Developer to join a project focused on platform engineering and automation within a global, cross-functional technology environment. You will contribute to the reliability, scalability, and continuous improvement of integration platform operations, with a strong emphasis on automation and operational excellence. The role is hybrid and based in Warsaw, offering you the opportunity to work in a dynamic and multicultural environment. Your tasks Designing, developing, and maintaining automation scripts to reduce manual operational effortIdentifying repetitive operational activities and driving automation initiatives to improve efficiencyDeveloping automation solutions using Python, PowerShell, Shell scripting, or platform-specific toolsManaging platform capacity and performance to ensure availability, scalability, and optimal resource utilizationDesigning and implementing self-healing and auto-remediation solutions for common operational failuresDriving continuous improvement initiatives to enhance platform stability and performanceOwning platform capacity management, including utilization monitoring, growth forecasting, and capacity planningIdentifying recurring issues and driving continuous service improvementSupporting major incidents and service restoration activitiesInterfacing between internal and external providers within an international context Requirements Minimum 5 years of expertise in MuleSoft platform management, focusing on platform operationsDeep expertise in MuleSoft Omni Gateway and TerraformStrong command of GitHub and OpenShiftPractical knowledge of API security standards and implementation, including OAuth and OpenIDFoundational-level expertise in AWS and AzureFamiliarity with ITIL processes and Argo CDExcellent stakeholder engagement and communication skills, including technical information synthesis and multicultural environment facilitationAdvanced level of English Job no. JOB-9EY6C 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