Quality Engineer, Mobile SDK

F-Secure makes every digital moment more secure, for everyone. For over 35 years, we’ve led the cyber security industry, protecting tens of millions of people online together with our 200+ service provider partners. We value our Fellows' individuality, with an inclusive environment where diversity drives innovation and growth. What makes you unique is what we value – be yourself, that is (y)our greatest asset. Founded in Finland, F‑Secure has offices in Europe, North America and Asia Pacific.

Are you a developer-minded quality enthusiast who thrives on understanding why things break rather than just running tests? Would you like to stretch your technical knowledge to improve the quality of cybersecurity solutions used by tens of millions of users globally?

We’re expanding our technical capabilities and are now looking for a:

Quality Engineer – Mobile SDK

You will work with our FSSDK product – security SDKs delivered to our strategic partners powering security solutions for major telecommunications and technology companies worldwide. Your daily work will center on ensuring the quality of our Android and iOS SDKs, expanding our mobile test automation, debugging complex integration issues, and strengthening the quality of our SDK release pipelines. Your contributions will directly impact the security and safety of millions of people, keeping their mobile devices safe from malware, scams, and other cyber threats through solutions embedded in partner applications.

We’re looking for someone who sees quality engineering as more than writing and running test cases. You enjoy digging into debugging, making small improvements in the code, and working with the team to build high-quality SDKs together. In this role, you will have the most time and focus for testing work, while also guiding and mentoring others in quality practices and helping share quality ownership across the entire team.

You will be joining a curious and diverse team of cybersecurity professionals, developers, and quality engineers, working together to ensure amazing cyber protection for millions of users across the globe.

Key Responsibilities

• Investigate and debug complex issues, going beyond surface-level testing to understand root causes and system-level interactions
• Design, write, and maintain automated test cases using Kotlin, Swift, and Python across Android and iOS platforms
• Actively contribute to code quality by making small fixes, adding logging, and improving debugging capabilities where needed
• Mentor and guide team members in quality practices, supporting a shared responsibility for quality across the team
• Maintain a comprehensive system-level understanding of our SDK architecture and partner integrations
• Document and communicate defect reports and quality statistics with clear technical insights
• Refine quality gates to ensure high-confidence, high-quality SDK releases for our partners
• Drive continuous improvement in development and test tooling throughout Technology
  
  

What are we looking for?

• Developer mindset with a quality focus – you can code, debug, and are eager to dive into implementation details
• Strong mobile development experience with Kotlin (Android) and/or Swift (iOS)
• Python expertise for test automation and tooling
• Systems thinking and the ability to understand complex integrations
• Proactive, problem-solving mindset – you want to fix things, not just report them
• Collaborative spirit with the ability to share knowledge and foster a quality culture across the team
• Experience in cloud environments (AWS, Azure) is a plus
• Comfortable working in English in a global environment
  
  

What will you get from us?

• You will work together with experienced and enthusiastic colleagues, and within F-Secure you will find some of the best minds in the cyber security industry.
• We actively encourage our Fellows to grow and develop within F-Secure, and in your career here you can find yourself contributing to any number of our other products and teams. You decide what to make of this role, what your priorities are, and how you organize your work for the best benefit to us all.
• We offer interesting challenges and a competitive compensation model with wide range of benefits. You get a chance to develop yourself professionally in an international and highly motivated team serving our customers in providing world class security, privacy and uncensored access to information online.
• You get to work in a flexible, agile, and dynamic working environment that supports individual needs. Giving our people both support and the opportunity to be in charge of their own work is something that is in our DNA.
• We are in a unique phase in our 30-year history and with curiosity and excitement in the air we see no limits for building a strong and fruitful career with us!
  
  

Our benefits include extensive health care, remote working, company supported sport activities, lunch vouchers, regular massages and sauna at the premises and many more things to keep our best asset – people - happy!

A security background check will possibly be conducted for the selected candidate in accordance with Finnish Security Clearance act 726/2015.

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