Senior Golang Software Engineer

We are an e-commerce platform in Poland and a network of travel agencies offering a wide range of travel products. We are part of Wirtualna Polska Holding – Poland’s largest group of media and e-commerce companies. Alongside Wakacje.pl and the Invia brands, we scale our impact across the CEE market, driven by a shared #TravelMindset. This position plays a crucial role in maintaining and evolving our strategic Supply Nexus platform, which serves as the backbone for our DACH and CEE operations.

• Minimum 6 years professional experience as a software developer
• Minimum 3 years experience with GoLang and PHP
• Experience with distributed systems
• Experience with multiple architecture types
• Knowledge of data structures
• Experience with relational databases
• Practical experience with REST API and gRPC
• Strong communication skills in English (minimum B2)
• Very good collaboration and problem solving skills
• Basics of CI/CD pipelines
• Experience with full software delivery lifecycle (from analysis to production support)

Nice to have:

• Practical Kubernetes knowledge
• Redis or similar solution
• Kibana
• Grafana

• Maintain and enhance the Supply Nexus platform, including the group-level booking engine
• Take part in end-to-end migration and redesign of a legacy service onto a modern platform
• Play a key role in shaping the architecture and final solution from inception through delivery
• Perform basic DevOps tasks such as CI/CD pipeline setup, deployment configuration, and cloud resource optimization for services
• Monitor and improve platform performance, ensuring scalability and reliability
• Maintain and enhance platform observability through logging, monitoring, and alerting solutions
• Collaborate with development and product teams to align technical solutions with business requirements
• Design and implement clean, scalable, and maintainable solutions using the GO programming language
• Support existing PHP-based solution
• Support API integrations for all entities, including improvements to existing integrations and development of new ones
• Contribute to platform consolidation efforts to reduce costs and improve long-term maintainability