Lead Mobile Developer, Android

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 Curious And Skilled Android Developer Who Enjoys Building Clean, Reliable, And Meaningful Mobile Experiences? Would You Like To Help Secure Millions Of Users By Developing The SDKs Behind Leading Cybersecurity Apps—while Also Collaborating Widely Across Teams And Guiding Architectural Discussions? We’re Expanding Our Technical Capabilities And Are Now Looking For An

Android Developer – Mobile SDK

You’ll join our FSSDK team (stands for F-Secure SDK), which builds and maintains security SDKs used by major global partners. These SDKs power key features in apps that protect users from scams, malware, and other digital threats.

The team is currently working on simplifying and modernizing our SDK architecture—removing legacy flows and laying the foundation for fast, sustainable delivery of future protection features. Your work will be part of the first major scam protection value bundle delivered through F-Secure Total.

This role is not only about writing Android code: you’ll actively collaborate with iOS, backend, quality, and product teams, participate in architectural reviews, and help align SDK development across platforms and partners. It’s a hands-on role with real impact, where communication and cross-team guidance are as essential as technical skills.

We work in a hybrid model based in our newly opened Helsinki HQ – designed for modern collaboration and teamworking, complete with a rooftop sauna and a fully equipped gym. Check it out

Key Responsibilities

• Design, develop, and maintain native Android components of the FSSDK using Kotlin and Java
• Contribute to architectural decisions and help simplify legacy flows toward a cleaner, more sustainable SDK structure
• Collaborate daily with iOS and backend developers to ensure technical consistency and integration quality across platforms
• Take an active role in code reviews, cross-team discussions, and architectural evaluations
• Champion best practices, providing guidance and feedback that influence teams beyond your own
• Write unit and integration tests to support high-quality continuous delivery
• Investigate and fix bugs across a wide range of device types and partner implementations
• Support the team in maintaining a high level of software quality and service-level excellence for Tier 1 partners
• Share your learnings and mentor others on Android development, quality, and architectural approaches
• Optionally contribute to iOS development depending on your curiosity and growth goals
  
  

What are we looking for?

• Strong experience in native Android development using Kotlin and Java
• Solid understanding of design patterns and modern Android architectures
• Hands-on experience with unit testing and continuous integration
• Passion for writing clean, testable, and maintainable code
• Ability to influence, review, and guide work across team boundaries
• Strong communication skills and natural inclination to mentor and collaborate
• Experience working in agile development teams and a global environment
  
  

Bonus Points For

• Experience with cloud environments (AWS, Azure), Python, or mobile SDK development
  
  

What will you get from us?

• Welcome to the good side – the home of scam protection! Work with industry-leading experts defining the future of cybersecurity and scam protection.
• Thrive in our Fellowship culture where we empower, trust, challenge, and support each other in doing our best work.
• Flexible work that works for you – hybrid and remote options with team-agreed ways of working.
• Inclusive environment with flat, approachable leadership in our diverse global community.
• Comprehensive global benefits including Employee Share Savings Plan (ESSP), Fellow Member of the Board opportunities, and Annual Protect & Educate paid volunteer day.
• Wellbeing support through personal coaching services and one hour per week for personal recharging.
• Continuous growth via F-Secure Academy, Leadership programs, AI training, mentoring, and dedicated Learning Week.
  
  

Our local 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 vetting will possibly be conducted for the selected candidate in accordance to our employment process.

If your LinkedIn account is up to date and informative, no need to prepare a CV, just leave us a link to your profile.

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