Senior Android Engineer

For over 35 years, F-Secure has led the cybersecurity industry with our 200+ service provider partners. As the home of scam protection, we're reimagining how we protect people from modern threats through cutting-edge scam detection and solutions that are setting the industry standard. We bring together the sharpest minds of cyber security with a shared purpose: to protect people from modern threats. Here, you’ll have a real impact, making every digital moment more secure for everyone. You’ll thrive and grow in our Fellowship culture, where we dream big, trust, and challenge each other to deliver results and move with speed. You’ll be welcomed into a diverse, global team with an informal and collaborative culture where your voice truly matters.

Join us in securing the digital world together – where your work will make a lasting impact.

We're looking for a Senior Android Engineer to design, build, and maintain high-quality mobile SDKs that power how our partners and third-party developers integrate F-Secure's cybersecurity solutions into their own applications. Your work will directly shape the developer experience, ensuring our SDKs are robust, performant, and easy to integrate — ultimately helping protect tens of millions of users across 50+ countries.

You'll be part of our mobile engineering team, collaborating closely with product, backend, and design teams to translate requirements into reliable SDK features. This is a hands-on technical role where you'll take ownership of the full SDK lifecycle — from API design and implementation to documentation, testing, and developer support. If you enjoy building cutting-edge products that make a real difference and thrive on technical excellence, we'd love to hear from you.

This role is based in Bengaluru, and we work in a hybrid setting with team-agreed ways of working.

Key Responsibilities

Design, develop, and maintain Android SDKs (AAR/JAR libraries) for external partners and internal teams, ensuring clean, well-documented, and testable Kotlin/Java code
Define and evolve public-facing SDK APIs with a strong focus on developer experience, backward compatibility, and versioning
Write comprehensive unit, integration, and instrumentation tests, and proactively identify and resolve bugs, crashes, and compatibility issues across Android OS versions and device types
Create and maintain developer documentation, integration guides, and sample applications to support seamless partner integrations
Collaborate with product, backend, and design teams to translate requirements into reliable SDK features, and participate in code reviews, architecture discussions, and technical design reviews
Monitor SDK adoption, gather developer feedback, and iterate on API design to continuously improve the integration experience

What are we looking for?

5+ years of professional Android development experience with strong proficiency in Kotlin (and Java where applicable)
Hands-on experience building and publishing Android libraries/SDKs (AAR/Gradle modules), including dependency management and publishing to Maven or private repositories
Solid understanding of Android architecture components (Lifecycle, ViewModel, WorkManager), threading models (coroutines, RxJava), and Android security best practices
Experience with RESTful APIs and network libraries (Retrofit, OkHttp), as well as testing frameworks such as JUnit, Mockito, and Espresso
Familiarity with ProGuard/R8 rules for SDK obfuscation and consumer rules
Full professional proficiency in English

You Get Bonus Points For

Prior experience in the cybersecurity industry or building mobile security SDKs
Experience with CI/CD pipelines for SDK publishing and automated testing
Familiarity with iOS SDK development or cross-platform considerations

What you will 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.
Be an AI pioneer, not a follower. Access industry-leading tools like Claude and Claude Code, with full support to integrate AI into your daily work while others are still figuring out policies. We're not asking "if" but "how" AI transforms our work, positioning you at the forefront of the industry.
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. Thrive in our Fellowship culture where we empower, trust, challenge, and support each other in doing our best work.
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.

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