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Firmware Engineer

Join Yubico's Firmware team to develop new features for security products like the YubiKey, leveraging your passion for cryptography.

Location
Stockholm, Sweden
Compensation
Not disclosed
Level
mid
Type
full time

Posted by employer 2 months ago

First seen on Joblaze 1 month ago

Last verified on the company career page 22 hours ago

Apply at Yubico → Save job Scanned from yubico.com

Skills & Technologies

Requirements

Experience
3+ years

Not disclosed in this posting: compensation, work arrangement, visa sponsorship.

Joblaze summary

In this role, the Firmware Engineer at Yubico focuses on developing and testing new features for the company's security products, including the YubiKey. Key skills include a strong background in cryptography, proficiency in C, and experience with microprocessor software development. This position is ideal for someone with at least three years of relevant experience who thrives in both independent and collaborative settings. Yubico's commitment to open standards and security innovation makes it a dynamic environment for tech professionals.

Joblaze insights

  • Listed about a month ago — first seen on Joblaze September 3, 2026. Last confirmed on Yubico's careers page October 27, 2026.
  • Python appears in 41.6% of 214 comparable mid security roles in United States; security appears in 6.1% of 214 comparable mid security roles in United States.

Quick facts

How much experience is required?
At least 3 years of relevant experience for this Firmware Engineer role.
What's the tech stack?
Joblaze extracted these technologies from the posting: C, Cryptography, Linux, Python, security.
What seniority level is this role?
Yubico targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Firmware Engineer role at Yubico.

From the original posting

Meet Yubico

Yubico is seeking the next new team member for our Firmware team. We're looking for someone with a passion for security to join us in our work to develop new features for our products. Your role will be to implement established cryptographic protocols, as well as to take part in creating the protocols of tomorrow. As part of our team you'll be working on our core products and the tools and libraries which make them useful. Use your passion, insights, and technical skills to help us create a trusted Internet.

Tasks & Responsibilities:

  • Develop, design and test new features for the firmware of Yubico's products, such as the YubiKey and the YubiHSM.
  • Write libraries and utilities to expose new features to higher level applications.
  • Develop integrations with existing systems to enable them to take advantage of our products.

Skills & Experience:

  • Experience with cryptography and security (such as smart cards, PKCS#11, common encryption schemes and cryptographic libraries)
  • 3+ years experience with writing software for microprocessors with constrained resources
  • High proficiency in C
  • Familiarity with Linux, git (ideally CLI) and Python or similar high-level languages
  • Ability to work independently as well as in a team, capable of taking own initiatives but also listening to others
  • Experience with integrating/building open source software and the open source community

#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. We are an E-Verify Participating Employer.

Standard company text repeated across Yubico's postings is omitted here.

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