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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.
Job Responsibility:
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
Nice to have:
Familiarity with Windows API, especially for process/thread management, file I/O, and event handling
What 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