Senior C++ Developer - Linux, Modern C++, Testing

Decskill; Coimbra; On-site; EUR 42,000 - 68,000; Full time

Job summary

Decskill is seeking a skilled C++ Developer to join our Coimbra team. You will develop, maintain, and modernize software components using modern C++, design APIs and architectures, and ensure code quality with automated tests in a Linux environment.

You will participate in code reviews, collaborate via Git workflows, and contribute to continuous improvement of development practices while balancing maintainability and performance for long-term product goals.

Qualifications

• Professional experience developing software in C++.
• Strong understanding of modern C++ design principles and the Standard Library.
• Experience writing clean, maintainable, testable, and reliable code.
• Experience designing and implementing software components, APIs, or system architectures.
• Excellent debugging, analytical, and problem-solving skills.
• Experience writing automated unit tests with frameworks such as Catch2, Google Test, Boost.Test, or equivalent.
• Experience in code reviews and Git-based workflows with merge/pull requests.
• Experience developing and debugging applications on Linux.
• Proficiency with the Linux command line and development tools.
• Experience using CMake for building and maintenance.
• Experience with large or legacy codebases while ensuring stability.
• Strong written and spoken English communication skills.

Responsibilities

• Develop, maintain, and improve software components using modern C++.
• Design and implement maintainable components, APIs, and software architectures.
• Investigate and resolve complex technical issues in an established codebase.
• Refactor and modernise existing code while preserving product stability and reliability.
• Write and maintain automated unit tests to ensure code quality and prevent regressions.
• Participate in code reviews, providing constructive feedback and sharing engineering knowledge.
• Collaborate with the team through Git-based workflows, including merge requests and pull requests.
• Develop, build, debug, and test applications in a Linux environment using CMake and command-line tools.
• Contribute to the continuous improvement of development practices, testing strategies, and software quality.
• Make pragmatic engineering decisions that balance maintainability, performance, and long-term product requirements.

Skills

C++ programming

Modern C++ design

Unit testing

Git workflows

Linux development

CMake

Code reviews

Problem solving

English communication

Tools

Git

CMake

Qt

Catch2

Google Test

Job description

Decskill is seeking a skilled C++ Developer to join our Coimbra team. You will develop, maintain, and modernize software components using modern C++, design APIs and architectures, and ensure code quality with automated tests in a Linux environment.

You will participate in code reviews, collaborate via Git workflows, and contribute to continuous improvement of development practices while balancing maintainability and performance for long-term product goals.