Senior Backend Developer (Java / .NET) – Maritime / Logistics (Ukrainian+English) (m/k/d)

For one of our clients participating in a public tender, we are looking for Senior Backend Developers who, together with a Frontend React Developer, will form a recommended delivery team. The project involves building a greenfield solution in the maritime / port logistics domain, supporting processes related to vessel visits and integrations with various maritime administrations and port-related systems. The system will be developed using a modern backend services architecture, with a strong focus on integrations, reliability, data security, and operational stability. The backend technology stack will be recommended by the vendor (preferred Java or .NET).

• Minimum 3 years of commercial experience as a Backend Developer
• Senior-level expertise in Java or .NET
• Participation in at least 3 international projects
• Participation in at least 2 maritime domain projects (e.g., ships, ports, vessel visits handling, harbor logistics, maritime administration systems, shipping)
• Experience in building integration-heavy systems and working with APIs
• Strong knowledge of backend engineering topics: security, scalability, performance, maintainability
• Good command of English (international environment)
• Ukrainian language skills at minimum B2 level

Nice to have:

• Experience in public sector projects or mission-critical systems
• Knowledge of microservices and/or event-driven architecture
• Cloud experience (Azure / AWS / GCP)
• CI/CD, Docker/Kubernetes
• Experience working with systems involving multiple integrations and complex business processes
• Knowledge of logistics and transportation domain

• Design and develop backend services for a maritime / logistics / vessel management system
• Develop backend services and APIs (REST / system integrations)
• Participate in business and technical requirements analysis
• Implement integrations with external maritime and port administration systems
• Design and optimize data models and business logic
• Work in an international environment and collaborate closely with the client and project team
• Ensure code quality (code reviews, testing, standards, documentation)
• Support the definition of the technology stack and solution architecture