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June 5, 2026

Senior C++ Software Engineer

Senior • On-site

Copenhagen, Denmark

On behalf of a client within the financial services sector, we are looking for a Senior C++ Software Engineer to support the development and modernization of a business-critical quantitative analytics platform used for real-time pricing, trading, and risk management.

The assignment focuses on platform engineering, cross-platform development, and improving the scalability and reliability of a complex analytics environment.

You will join an experienced engineering team working on the evolution of a large-scale C++ platform as it expands into areas such as electronic trading, automated execution, and data-driven analytics.

Main Responsibilities:

  • Migrate the application from Windows to multiple platforms (Linux and Windows)

  • Review and improve platform architecture, scalability, and reliability.

Key Requirements:

  • Expert C++ development with 10+ years of experience

  • Proven experience in multi-platform C++ development

  • Strong experience with CMake

  • In depth understanding of threading and memory management

Nice to Have:

  • Experience in financial markets or building systems for trading, risk, or analytics

Other Details:

  • Location: Onsite in Copenhagen, Denmark

  • Contract Duration: From as soon as possible until December 2026, with a possible extension.