Senior C++ Engineer in Barcelona


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Job Description

Based in Barcelona, Qustodio is a fast-growing internet safety startup whose mission is to provide a safe digital experience for every child. Our top product is a multi-platform parental control solution that is used and loved by hundreds of thousands of families worldwide, and is one of the leading brands worldwide in the Digital Wellbeing category.

We're looking for a Senior C++ programmer with strong experience in cross-platform development (Windows / OSX / Linux platforms), programming multi-threaded high-performance apps & services at a low level.

Main responsibilities:

  • Take ownership of Qustodio desktop, SDK, kernel & embedded technical products
  • Translate technical & business requirements into state of the art C++ technical designs & apps
  • Follow proper programming & design best practices and methodologies (UML, TDD, Scrum)
  • Follow and improve company development & QA processes
  • Research customer support cases and improve the Desktop apps quality
  • Provide technical support to other junior profiles



  • Software Engineering degree or equivalent experience
  • +5 years C++ coding highly scalable multi-threaded high performance distributed apps
  • Strong knowledge of Linux/OSX and also Windows platforms
  • Strong knowledge of C++ coding best practices, writing robust leak/crash free apps
  • Strong knowledge of profiling & debugging tools/frameworks

Bonus points for:

  • Socket filters, SSL & Transparent proxies
  • Kernel mode apps
  • Cross-platform code and cross-platform build processes (ie: Cmake)
  • C++11/C++17 knowledge
  • Qt knowledge
  • Install frameworks (MSI, Pkg)
  • Continuous integration and Agile methodologies
  • Embedded systems

What can we offer you?

Great question! Here are a few reasons...

  • Great culture - friendly and emphasises both teamwork and fun
  • Our company is home to over 15 nationalities
  • Flexible working hours - and there are possibilities to work from home
  • Interesting challenges in a fast-growing technology company for you to grind your skills
  • Competitive salary range
  • Private Health Insurance
  • In-house training and team building events
  • A modern and fully equipped office headquarters in Barcelona city
  • Daily fruit and beverages supply
  • 23 days of holidays per year. Half day off on your b'day
  • Flexible Benefits
  • Team Building Events

About Qustodio

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