Senior Integration Developer (f/m/x)

We are looking for an experienced Integration Developer to join our integration team and work on business-critical integrations across engineering, sales, manufacturing, and analytics platforms. In this role, you will be responsible for building, testing, deploying, and maintaining integrations between enterprise applications and cloud platforms. You will collaborate closely with the Lead Integration Architect, solution architects, business stakeholders, and application teams to deliver scalable and reliable integration solutions. This position is fully remote, allowing you to work from anywhere in Poland or Finland. Your tasks Developing and maintaining integrations between enterprise systems and cloud platformsImplementing REST API, event-driven, and data integration solutionsBuilding integration services, workflows, and automation using AWS-native technologiesDeveloping connectors and interfaces between engineering, commercial, and operational systemsDesigning and implementing data transformations, validation, and error-handling mechanismsSupporting CI/CD pipelines, testing strategies, and deployment automationTroubleshooting and resolving integration issues in development and production environmentsCollaborating with architects and application teams to ensure alignment with integration standards and best practicesContributing to technical documentation and operational runbooks Requirements Minimum 6 years of experience developing enterprise integrationsStrong hands-on experience with AWS services and cloud-native developmentExperience developing REST APIs and integrating third-party applicationsKnowledge of event-driven architectures and asynchronous messaging patternsProficiency in at least one modern programming language such as Java, Python, TypeScript, or C#Experience working with JSON, XML, and data transformation technologiesFamiliarity with CI/CD pipelines and software development best practicesAdvanced level of English Nice to have Experience in Manufacturing, Energy, Industrial Equipment, or Engineer-to-Order (ETO) environments Job no. JOB-J2TWA 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