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September 16, 2026
Backend Developer
Mid • On-site
Warsaw, Poland
Apply now
Quick Facts
- Role: Backend Developer (customs technology)
Description
Build scalable backend applications and integrations that support customs and logistics processes across a global network. Develop REST APIs and event-driven solutions, work with relational databases, and help design cloud-based systems. Contribute to distributed systems, integration, and workflow automation efforts with engineering teams.
Responsibilities
- Design, develop, and maintain backend applications for customs and logistics processes
- Build scalable and reliable integrations between internal and external systems
- Develop and maintain REST APIs and event-driven solutions
- Work with relational databases to ensure high performance and data quality
- Participate in the design and implementation of cloud-based solutions
- Collaborate with Product Owners, Architects, QA Engineers, and other development teams
- Support technical discussions, code reviews, and continuous improvement
- Troubleshoot issues, optimize performance, and maintain operational excellence
Requirements
- Experience in backend development using Kotlin
- Solid understanding of relational databases and SQL
- Experience with system integrations and API-based communication
- Knowledge of cloud technologies and modern software architecture principles
- Understanding of distributed systems and integration patterns
- Experience with Git and software development best practices
- Strong problem-solving skills and proactive ownership mindset
- Ability to communicate effectively with technical and business stakeholders
- English proficiency for daily cooperation with international stakeholders
Benefits
- B2B contract
- Training, development programs, and access to an e-learning platform
- Onboarding program with a dedicated Buddy
- Participation in an annual, company-wide integration event
- Scandinavian organizational culture
- Opportunities for growth through internal programs
- Sharing the costs of sports activities
- Integration events
- Corporate gym and corporate sports team
- Coffee/tea and parking space
- Christmas gifts
- Employee referral program
- Charity initiatives
- Bicycle parking
- Modern and ergonomic office, yoga in the office
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