Sr. Software Engineer - Mobile applications

Meet Yubico

Yubico is the creator of the most secure passkeys and leading provider of hardware authentication security keys. Our company’s mission is to make secure login easy and available for everyone. Yubico was founded in 2007 by Stina and Jakob Ehrensvard, and is public on Nasdaq Stockholm Main Market: YUBICO. Our customers include Fortune 500 companies, hundreds of government agencies and millions of individuals in over 160 countries that rely on Yubico technology to secure access to computers, online services and mobile apps. We are a global company with a strong company culture and employees located in over 14 countries. Yubico’s headquarters are based in Stockholm, Sweden and Santa Clara, CA. Aligned with our mission to make the internet more secure for everyone, Yubico donates YubiKeys to organizations helping at-risk individuals through our philanthropic initiative, Secure it Forward.

At Yubico, we offer:

Yubico Values:

We work to ensure that our employees have an open space to have their voices amplified to create a workplace where everyone feels like they belong. Aligned with this, our employees have created some pretty cool Employee Resource Groups: YubiPride, YubiBIPOC, YubiSustainability and YubiWomen. Additionally, Yubico donates YubiKeys to organizations in need all over the world (you can read more about our work here).

Social Connection:

Relationships and connectedness matter, and we love spending time with our team! Our virtual workspace keeps us connected day-to-day whether it's through Yubico celebrating wins or our buzzing Slack communities. Check out our Life at Yubico Page on LinkedIn and our awards here.

The Role:

We are looking for a talented mobile app developer to join our team in Stockholm. You will be working with us to build mobile applications in Flutter, with native components interfacing with the platform at a lower level. While previous Flutter experience is not required, you should be motivated to learn. You should have a background in developing mobile apps for either iOS or Android, as you will also contribute native code for the platform you know best. An enthusiasm for cryptography, secure systems, and solving challenging technical problems will make you an excellent fit.

Tasks & Responsibilities:

• Design, build, and maintain mobile applications (Flutter) with native components in iOS (Swift/Objective-C) or Android (Kotlin/Java)
• Participate in architecture discussions and contribute to technical decision-making
• Debug and resolve issues across devices and platforms
• Write and maintain unit and integration tests
• Continuously learn and apply new tools, frameworks, and best practices

Basic Qualifications:

• Bachelor or MS in Computer Science or a relevant technical discipline, or equivalent work experience
• Experience in building mobile apps with rich user interfaces
• Experience with native app development on iOS and/or Android
• Ability to write code that is secure, readable, testable, and easy to maintain
• Able to take initiative, maintain a positive attitude, be self-motivated, and work effectively on projects with minimal direct supervision

Bonus Qualifications:

• Experience with CI/CD pipelines (e.g. Github Actions)
• Experience working with NFC/USB/Lightning communication
• Experience with cryptography (PKI, digital signatures, etc)
• Experience working with open source and the open source community
• Experience with Flutter

#LI-hybrid

#LI-BR1

We are an equal opportunity employer, we value diversity and uphold an inclusive environment where all people feel that they are equally respected and valued. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity or expression, age, marital status, religion, national origin, disability, protected Veteran status or any other characteristic protected by law. We'd love to learn about what you can add to our diverse team.

Yubico does not accept agency resumes or referrals so please do not send them to our careers staff or employees. Yubico is not responsible for any fees related to unsolicited resumes or referrals.

Personal data submitted through this form is used for managing Yubico’s recruitment activities, which include facilitating any application you make, setting up and conducting interviews and tests for applicants, evaluating and assessing results and selecting candidates, and as otherwise needed in our recruitment and onboarding processes. The use of your personal data may also be necessary prior to entering into a contract with you (that is prior to offering you a job with Yubico). Your personal data will only be used for the purposes for which it was collected and in accordance with the Yubico Privacy Notice. We only keep your personal data for as long as necessary and in compliance with Yubico’s record retention policies. If you have asked us to, we will keep you informed of other opportunities at Yubico. We do this in various ways, including email and by phone. If at any time you do not want us to contact you or use your information as described herein please contact us at [email protected] to let us know and we will delete all such information. Providing your personal data is voluntary, but necessary to join our talent community, and if you do not agree to provide your data, we will not be able to consider you as part of our talent community.

As part of providing the requested service, we will transfer your data to be processed by Lever, Inc., a service provider contracted by Yubico AB and/or its subsidiaries that meets legally mandated privacy requirements. The Yubico Privacy Notice offers more information about Yubico privacy practices, including the lawful basis for processing of personal data, how to lodge a complaint with the supervisory authority, and how to contact Yubico to exercise your data subject rights. In this notice, when we refer to “Yubico”, “us”, “we” or “our”, we mean the Yubico group company or companies that you apply to, or correspond with, and which are responsible for any personal data collected about you.