Senior C++ Developer

We are looking for a C++ Developer to join a long-term outsourcing project for a UK-based technology company developing solutions for transport management, logistics, and fleet management. About the Project Following an acquisition, the client now has three Transport Management Systems (TMS) that are being unified into a single platform, which will be delivered as a SaaS solution. At the same time, the existing system requires ongoing support and development, allowing the client's internal development teams to focus on building the new unified platform. The TMS platform consists of three interconnected application areas that support the planning, execution, and control of shipment deliveries. The overall architecture combines a core platform with the ability to extend and integrate additional capabilities, supporting both day-to-day operations and the ongoing evolution of the system. Parts of the software were developed around 30 years ago and originated from an acquired company. Requirements Strong knowledge of C++ (C++11 and newer) Experience with Microsoft SQL Server Experience with: memory management templates concurrency models performance-critical programming Good understanding of SOLID principles Good understanding of Object-Oriented Programming (OOP) Good understanding of Software Design Mature understanding of the Software Development Life Cycle (SDLC) Experience with software testing, including: Unit Testing Integration Testing Commitment to software quality processes and practices English at B2/C1 level Nice to Have Experience with C# Knowledge of .NET 9 Ability to influence the technical direction of the project We Offer B2B contract Rate: 120–160 PLN/hour 100% remote work Long-term project Flexible working hours: 9:00–17:00 or 10:00–18:00 Company-provided laptop Recruitment Process Recruitment screening. Short take-home assignment. Interview with the client. Final decision.