Senior C++ Engineer

We are looking for a Senior C++ Engineer to join the existing product team. The team is focused on the core trading engine where actual trading happens - processing incoming messages, matching trades, and implementing various trading protocols such as RFQ, click-to-trade, and list trading. A key aspect of the role is leveraging modern AI tools (Claude, ChatGPT, and internal solutions) to accelerate onboarding, analyze code, identify bottlenecks, and improve development efficiency. ## Locations Poland Portugal Cyprus Spain ## What you will do Develop and enhance core trading systems for Fixed Income and Derivative Securities Work effectively in a small, high-performing software development team Collaborate with both technical team members and non-technical business stakeholders Contribute to the continuous improvement of the trading technology stack ## Required Bachelor’s degree in Computer Science or related field 5+ years of professional C++ development experience (C++14/20) in Windows/Linux environments Strong core CS fundamentals: OOP, STL, multithreading, concurrency Experience with high-performance systems (low-latency, high-throughput, distributed) Solid networking knowledge (TCP/IP, latency, throughput) Strong debugging skills and ability to work with large codebases Experience using AI tools in development/debugging workflows Strong communication skills and ability to collaborate effectively across technical and business teams ## Nice to have Experience developing financial software or trading systems (e.g., Fixed Income, Derivatives) Experience with SQL stored procedures Knowledge of relational database design and implementation ## Benefits Flexible work setup: remote or a hybrid model. Health insurance coverage for those based in Poland and Cyprus. 50% coverage of health insurance for spouses and children in Poland and Cyprus. 24 days of paid vacation. 10 days of paid sick leave. 50% reimbursement for professional training, education, conferences. Work alongside a highly professional team. Engaging teambuilding events and activities. Relocation Package: assistance for relocation to Poland or Cyprus, if desired. In case of relocation to Cyprus, we offer Flight tickets, accommodation rent for 1st month for our relocated employee and his/her official family. Support in visa application and issue process, entry permit and residence permit processing