Software Engineer (Cross-Platform Applications)

Yubico is a global leader in identity security and creator of

the YubiKey, the original hardware-backed passkey. We are publicly traded on Nasdaq Stockholm; our global footprint includes

headquarters in Stockholm, Sweden, Silicon Valley, California; and Singapore.

At Yubico, we are guided by a shared belief that your work matters. We operate under a cultural philosophy of Speed with

Integrity, pushing the boundaries of technology to secure the AI frontier—protecting both human and agentic AI

interactions—and leading the transition to post-quantum cryptography. In everything we do, we live by our core values:

• Battle Friction:​ We constantly look for new ways to simplify our products, our work, and the user

experience.

• Inspire Higher:​ We think big, champion the open internet, and strive to do the right thing

even when it is difficult.

• One Team:​ We are open, responsive, and collaborative, overcoming challenges

and celebrating our successes together.

Aligned with our commitment to open standards, we foster a thriving builder

ecosystem through the Yubico Developer Program, offering free open-source repositories, libraries, and SDKs to help developers

rapidly integrate strong hardware authentication into any application. Through close collaborations with technical partners like

Google, Microsoft, and Amazon, as well as newer frontiers like OpenAI, we continue to shape a safer digital world while donating

security keys to protect vulnerable communities, journalists, and humanitarian groups worldwide through our Secure it Forward program.

The

Role​

We are looking for a versatile Software Engineer to join our Stockholm-based team to help shape the future

of Yubico’s software products. In this role, you will focus on building high-quality, secure applications across desktop and

mobile platforms using Flutter, while also contributing to our command-line tools and libraries. As part of our team, you will

play a key role in refining our cross-platform strategy. While our team includes iOS and Android experts to address

platform-specific requirements, we look for a generalist who won’t shy away from working in these environments. You should be

eager to explore new technologies and take full ownership of your work. We encourage you to use the best tools for the job,

including AI. Ultimately, you are accountable for the quality, security, and performance of the code you ship.

Tasks & Responsibilities:​

• Develop, test, and maintain cross-platform graphical applications

using Flutter for Desktop and Mobile.

• Contribute to the development and maintenance of CLI tools and libraries alongside

graphical applications.

• Take end-to-end ownership of features, from initial design through to packaging and

deployment.

• Collaborate with UX/UI designers to implement intuitive and beautiful user interfaces.
• Ensure code

quality through rigorous testing and maintain full accountability for all code you ship, regardless of how it was created.

Basic Qualifications:​

• Bachelor or MS in Computer Science, a relevant technical

discipline, or equivalent work experience

• Strong programming fundamentals and experience with at least one modern UI

framework

• Experience building mobile (iOS/Android) and/or desktop (Windows/macOS/Linux) applications
• A versatile

mindset with the ability to learn and adapt to new technologies (like Dart/Flutter or Rust) quickly.

• Ability to write

secure, testable, and maintainable code

• Self-motivated with a high degree of autonomy and the ability to take full

ownership of the codebase

Bonus Qualifications:​

• Experience with Flutter development

in a production environment

• Experience with cryptography (PKI, digital signatures, etc)
• Experience with CI/CD

pipelines (e.g. Github Actions)

• Experience integrating with native APIs or lower-level libraries

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. We are an E-Verify Participating Employer.

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

jobs@yubico.com 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 Greenhouse Software

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.