Oh oh! Awesome! {$ msg.text $} ({$ msg.count $})

Senior Android Developer

  • Oulu
  • Oulu

We are looking for Senior Android developer to join our Endpoint Protection team. Come and work with us to ensure we can deliver amazing cyber protection to tens of millions of users across over 50 countries globally!

At F-Secure, we develop best of class research-led cybersecurity products that outperform the competition. We have a clear track record of delivering best-in-class applications (https://www.f-secure.com/en/ab...).

The world’s best protection capabilities won’t matter if we can’t build them into great apps. Working on our mobile client applications, you’ll be developing and delivering cybersecurity to consumers across the world.

We are very focused on ensuring we can deliver our products to as many users as possible. We reach some of our users through our own direct sales, but the majority of our users come through service provider partnerships – telco operators, insurance companies, utilities and banks. All of these partners have different brands, licensing models etc. We work at scale in more ways than most. We reach tens of millions of users, through hundreds of mobile apps.

At our scale adopting new APIs offered by platforms requires solving hardcore UX, architecture, and technology challenges is - and we’d love for you to come work with us …

If you join us now, you’ll find yourself working on Endpoint Protection team securing not only Androids but also Windows and Mac and iOS devices.

We’ve got ambitious roadmaps, and we need mobile application development to make sure we can bring major advances to market – both to our existing userbase, and to new users.

Plus, there’s a lot more that we are working on as well. We actively encourage our developers 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.

Key Responsibilities

  • support entire application lifecycle including concept, design, develop, test, release and support
  • own the codebase, mentoring others on better way of implementing of a solution using better design pattern and architecture
  • keep an eye on the happenings in ecosystem such as new policies, changes introduced by Google and Apple
  • refactor legacy features as necessary to keep the product fresh and moving forward
  • co-operate with project management, product ownership and architecture to improve the existing products

What are we looking for?

  • strong experience in native development on Android ecosystem
  • experience with Kotlin and Java
  • hands on experiences with unit testing
  • familiarity with secure coding practices like threat modeling
  • good communication skills in English
  • a love for test automation

Bonus points

  • experience in building a browser or browser extension or extensive experience with WebView
  • knowledge of iOS development
  • familiarity with AWS as backend platform
  • familiarity with modern UI development (Jetpack Compose UI, Swift UI)

What will you get from us

  • a team that is technical, ambitious and friendly, that will share their knowledge and expect you to do the same
  • opportunities for growing your skillset into new technologies and areas with F-Secure security consulting and labs
  • international and diverse work environment with 47 nationalities in the Helsinki office alone
  • possibility to work in 3rd Most Attractive Company for IT students (https://blog.f-secure.com/f-se...)
  • competitive salary with fringe benefits

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

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

Work with great people

Karolina Malagocka
Senior Marketing Manager
"At F-Secure we see the value of each and every person"
Robert Grześkowiak
Lead Software Engineer
"At F-Secure you won't feel bored. There are opportunities to learn new things every day."
Fairuz Zainor
Malware Analyst
"I joined F-Secure straight after graduating and now, 10 years later, I am still happy to be here."
William Jardine
Senior Security Consultant
"The freedom is a big thing for me. The trust you are doing something worthwhile."

Great Place to Work

  • Over 1,700 amazing colleagues in nearly 30 offices

  • Possibility to protect the world

  • Work with best of class experts who care

  • Relaxed, open and fun working environment

  • 68+ of nationalities

  • Global with the spirit of a small company

About the company

You can’t design culture!

The F-Secure team is diverse, fluid, fun-loving, and full of energy. It’s our job to preserve that, so we’ve made it our business to help individuals traverse from passion to passion, from specialism to specialism, from the flavor of today to tomorrow’s. We move with their needs, and help them build Pathways, always focusing on the things that make them happy in and beyond of the office.

See yourself here? Bring your best self and apply now.


1988F-Secure established under the name Data Fellows

1992First public hysteria about a computer virus

2002First Antivirus for mobile phones

2004F‑Secure Labs launches first antivirus industry blog

2009F‑Secure’s next step into the cloud

2015F-Secure aims to become the leading European cyber security company

2018MWR InfoSecurity joins F-Secure

Eemeli Ollila | Contact Person

I'm interested