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September 16, 2026

Backend Developer

Mid • On-site

Warsaw, Poland

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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