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 platforms
• Implementing REST API, event-driven, and data integration solutions
• Building integration services, workflows, and automation using AWS-native technologies
• Developing connectors and interfaces between engineering, commercial, and operational systems
• Designing and implementing data transformations, validation, and error-handling mechanisms
• Supporting CI/CD pipelines, testing strategies, and deployment automation
• Troubleshooting and resolving integration issues in development and production environments
• Collaborating with architects and application teams to ensure alignment with integration standards and best practices
• Contributing to technical documentation and operational runbooks
  
  

Requirements

• Minimum 6 years of experience developing enterprise integrations
• Strong hands-on experience with AWS services and cloud-native development
• Experience developing REST APIs and integrating third-party applications
• Knowledge of event-driven architectures and asynchronous messaging patterns
• Proficiency in at least one modern programming language such as Java, Python, TypeScript, or C#
• Experience working with JSON, XML, and data transformation technologies
• Familiarity with CI/CD pipelines and software development best practices
• Advanced 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 Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care