We are looking for a Senior C++/C Developer who will join the team of our Client, big enterprise software vendor, to work on real-time messaging solution that enables low latency, high throughput communication between applications.
Responsibilities:
- Architect and implement robust, efficient, and scalable software solutions using C++/С
- Build and maintain applications that utilize multithreading and concurrency for optimal performance
- Work with Linux and Windows system APIs to ensure compatibility and performance across platforms
- Profile and debug complex, multithreaded code on both Linux and Windows environments
- Work closely with other Engineers and the Client’s project stakeholders to deliver high-quality features on time
- Contribute to architectural decisions and participate in code reviews to maintain code quality standards
- Mentor Junior Engineers
Requirements:
- 5 + years of professional experience in C++/С software development
- Strong proficiency in C++/С, including object-oriented design, templates, and STL
- Proven experience in writing high-performance, maintainable, and scalable C++/С code
- Proven track record of leading or contributing significantly to complex software projects
- Deep understanding of multithreading concepts, synchronization mechanisms, and concurrent programming patterns
- Hands-on experience building and debugging multithreaded applications
- Solid experience working with Linux system APIs (e.g., sockets, epoll, memory management, inter-process communication)
- Strong problem-solving and troubleshooting skills
- Reliability and accountability in meeting deadlines
- Ability to work independently
- English level – Upper-Intermediate or higher, with the ability to collaborate effectively with the Client’s Engineering Team and stakeholders
Will be a plus:
- Familiarity with Windows API, especially for process/thread management, file I/O, and event handling
We offer:
- Remote-first work model with flexible working hours (we provide all equipment)
- Comfortable and fully equipped offices in Lviv and Rzeszów
- Competitive compensation with regular performance reviews
- 18 paid vacation days per year + all state holidays
- 12 days of paid sick leave per year without a medical certificate + extra paid leave for blood donation
- Medical insurance with an affordable family coverage option
- Mental health program which includes free and confidential consultations with a psychologist
- English, German, and Polish language courses
- Corporate subscription to learning platforms, regular meetups and webinars
- Friendly team that values accountability, innovation, teamwork, and customer satisfaction
- Inclusive environment where everyone feels valued and treated equally. We proudly partner with VeteranHub to support Ukrainian veterans
- We are committed to supporting Ukraine and actively participate in charity initiatives