Our client is a global leader in heating, cooling, ventilation, clean air, and refrigeration technologies. Their solutions are widely used in residential, commercial, and industrial environments worldwide. The company focuses on reducing environmental impact—including supporting low-emission supply chains and reducing food waste.Project DescriptionThe selected engineer will join a product development team responsible for two interconnected systems: System 1: .NET + React System 2: Python + Angular Workload split: 70% development / 30% support.Due to the dynamic nature of workload, splitting responsibilities across multiple consultants is not possible - full-stack capability is required within the role.Team Structure 4 Developers Product Owner Scrum Master Must have Strong commercial experience with .NET (C#) Working knowledge of Python Good knowledge of Angular or React (both are strong pluses) English level: B2 Responsibilities Development and maintenance of both systems Collaboration with team members to improve system architecture and performance Providing support and troubleshooting when needed What do we offer? Competitive B2B contract rate – up to 165 PLN/h net Convenient payment schedule with 14-day invoice payment terms Flexible payout/form of transfer Comprehensive private medical healthcare package Access to the MyBenefit cafeteria platform, including options to order: Multisport sport cards Prepaid gift cards (e.g., IKEA, Zalando, Notino, and many others)