C++ Windows Software Engineer

Rublon; United States; Remote; USD 35,000 - 58,000; Full time

Benefits offered by this job

Private medical care

Sports membership

Online training

Job summary

Rublon is seeking a skilled Windows C++ developer to build and extend a Windows MFA connector integrated with Windows and RDP environments. You will develop desktop apps using C++ and Qt, focusing on secure authentication flows.

This role offers on-site employment in Poland (Kraków or Zielona Góra) or remote work for Polish-based B2B, with training and certifications available and employee benefits including private medical care and a sports membership.

Qualifications

• Experience with C++ (version 11 or later).
• Experience developing desktop software with Qt.
• Knowledge of the Windows API.
• Interest in information security and secure software design.
• Ability to devise practical software solutions using modern technologies.

Responsibilities

• Design and implement features for a Windows and RDP authentication connector.
• Improve authentication flows with attention to security and usability.
• Develop desktop applications using modern C++ and the Qt framework.
• Integrate authentication technologies into Windows software.
• Work with the Windows authentication development team to deliver and maintain the product.

Skills

C++

Qt

Windows API

Security mindset

Education

Degree in CS or related field

Job description

Role overview

Build and extend a Windows multi-factor authentication connector used with Windows and Remote Desktop Protocol environments. The role focuses on delivering reliable authentication flows and desktop software that helps strengthen access to enterprise systems.

Responsibilities

• Design and implement features for a Windows and RDP authentication connector.
• Improve authentication flows with attention to security and usability.
• Develop desktop applications using modern C++ and the Qt framework.
• Integrate authentication technologies into Windows software.
• Work with the Windows authentication development team to deliver and maintain the product.

Requirements

• Experience with C++ (version 11 or later).
• Experience developing desktop software with Qt.
• Knowledge of the Windows API.
• Interest in information security and secure software design.
• Ability to devise practical software solutions using modern technologies.

Nice to have

Knowledge of FIDO2 and passwordless authentication, application security, Windows Server and RDP configuration, CI/CD, or Active Directory security. Relevant education or equivalent experience in cybersecurity, information security, or computer science is also useful.

Benefits and work setup

Work on-site in Kraków or Zielona Góra under an employment contract, or remotely from within Poland on a B2B basis. Online training and sponsored certifications are available; employee benefits include private medical care and a sports membership.