Yubico5mo ago

Cryptography Engineer

Stockholm · StockholmFull-timemid

Engineering

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Quick Summary

Overview

Meet Yubico: 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.

Technical Tools

Engineering

Meet Yubico: 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. Our global customer base includes organizations of varying sizes, from large corporations such as Google, Amazon, Microsoft and Hyatt, to companies like Dyson. 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. In support of this, our employees have created some pretty cool Employee Resource Groups that foster inclusion, help build community and connection across Yubico. 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 ourLife at Yubico Page on LinkedIn and our awards here.

Implement, maintain and optimize cryptographic algorithms and primitives (e.g. encryption, hashing, digital signatures, key exchanges) that run on YubiKeys and YubiHSMs

Follow research about classical algorithms (RSA, ECC, etc.), as well as Post Quantum Cryptography algorithms (ML-DSA, ML-KEM, etc.)

Ability to follow research in cryptography

Good understanding of classical (a)symmetric cryptography and PQC

Knowledge of side-channel attacks (EM, power and timing analysis etc.) and mitigations against them

Disciplined approach in writing correct and highly efficient code

Low level programming experience (C and Assembly)

Experience with embedded architectures

Ability to adapt and tune algorithms on resource constrained environments

Knowledge around fault injection attacks

Hands-on experience with lab equipment such as oscilloscopes, logic analyzers and similar

Listing Details

Posted: November 7, 2025
First seen: March 26, 2026
Last seen: April 20, 2026

Posting Health

Days active: 25
Repost count: 0
Trust Level: 33%
Scored at: April 20, 2026

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Yubico

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Yubico is a global cybersecurity company that provides phishing-resistant multi-factor authentication solutions, most notably the YubiKey, to secure access to computers, mobile devices, and online accounts. Founded in 2007, Yubico is a key contributor to open authentication standards like FIDO2 and WebAuthn.

Employees

750

Founded

2007

Domain

Jobs

External application · ~5 min on Yubico's site

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