C/C++ macOS Engineer

Rublon Access Gateway; Kraków; On-site; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Access to private medical care

MultiSport card

Access to online training courses

Sponsored certifications

Job summary

A cybersecurity solutions provider is seeking a C/C++ macOS Engineer to design and develop a Rublon authorization plug-in for macOS. This role involves implementing multi-factor and passwordless authentication workflows and collaborating with cross-platform teams. Ideal candidates should have at least 3 years of experience in macOS software development and a strong understanding of authentication protocols. Join us in working on cutting-edge technology that enhances security for enterprises globally.

Qualifications

• At least 3 years of commercial experience in developing macOS software.
• Knowledge about macOS enterprise identity and authentication concepts.
• Ability to come up with creative concepts using modern technologies.
• Ability to come up with creative concepts using modern technologies together in unexpected ways.
• Interest in information security and secure software design.

Responsibilities

• Design and develop the Rublon authorization plug-in for macOS.
• Implement multi-factor and passwordless authentication workflows.
• Collaborate with the Windows authentication team.
• Integrate modern authentication standards such as FIDO2 (Passkeys), LDAP, and cloud IAM.
• Collaborate with the Windows authentication team to maintain feature parity across platforms.
• Participate in architecture design discussions and contribute to technical decision-making.
• Write efficient, secure, and maintainable code using C/C++ and Swift.
• Conduct testing, debugging, and code reviews to ensure product reliability and security.
• Enhance scalability and compatibility for enterprise macOS environments.

Skills

C/C++ Development

macOS Software Development

Authentication Protocols

Information Security

FIDO2 / Passkeys

Entra ID / cloud IAM

LDAP

Education

Advanced degree in Information Security, Cybersecurity, or Computer Science

Tools

Qt

Active Directory

CI/CD Tools

Job description

Join Rublon to work with a team of cybersecurity enthusiasts who are building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers across the globe to protect employee logins to networks, servers and applications.

We are looking for a long-term employee who will support us in the following area:

Development of Rublon Authorization Plug-in for macOS

The Rublon for macOS connector will be an authorization plug-in that enables organizations to enforce multi-factor authentication (MFA) for user access on macOS endpoints. You will work close to the system—leveraging platform frameworks and secure storage—to deliver passwordless multi-factor authentication and create a seamless, secure user experience. This role involves collaborating with our Windows connector team to ensure a consistent experience across platforms.

How You’ll Work

• Technology Stack: macOS, Swift, C++, Qt, FIDO2 (Passkeys), Entra ID, cloud IAM, LDAP
• Self development: access to online training courses, sponsored certifications
• Benefits for employees: access to private medical care and MultiSport card

What You’ll Do

As a C/C++ macOS Engineer on the Rublon team you will:

• Design and develop the Rublon authorization plug-in for macOS
• Implement multi-factor and passwordless authentication workflows for macOS endpoints
• Work with macOS platform frameworks and secure storage to ensure strong security and user experience
• Integrate modern authentication standards such as FIDO2 (Passkeys), LDAP, and cloud IAM
• Collaborate with the Windows authentication team to maintain feature parity across platforms
• Participate in architecture design discussions and contribute to technical decision-making
• Write efficient, secure, and maintainable code using C/C++ and Swift
• Conduct testing, debugging, and code reviews to ensure product reliability and security
• Enhance scalability and compatibility for enterprise macOS environments

Skills You Have

• At least 3 years of commercial experience in developing macOS software
• Knowledge about macOS enterprise identity and authentication concepts
• Knowledge about authentication protocols
• Ability to come up with creative concepts using modern technologies together in unexpected ways
• Interest in information security and secure software design

Nice To Haves

• Experience with macOS Authentication Services framework, including Extensible Enterprise SSO
• Knowledge of Active Directory and Entra ID
• Experience with Qt software development
• Knowledge of software application security
• Experience with CI/CD environments
• Formal education and advanced degree in Information Security, Cybersecurity, Computer Science or similar and/or commensurate demonstrated work experience in the same

Why Apply

• You want to work on cutting-edge authentication technology for macOS used by enterprises worldwide
• You are motivated by solving complex identity and access management challenges
• You thrive in a team that values innovation, quality, and secure coding practices
• You seek professional growth in cybersecurity and cross-platform software development

Steps After You Apply

• You’ll be invited to an online meeting with our recruiter
• Afterwards, we’ll ask you to do a small assignment, which will then be discussed with one of our technical leads
• If everything goes well, we will make you an offer and invite you to a final interview