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Senior iOS Developer, Mobile SDK Team

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.

What will you do today to make the world more secure tomorrow? Start by exploring our newest opening at F-Secure! We are seeking an seasoned iOS Developer to join our team and help deliver top-notch cyber protection on mobile platforms to millions of users in over 50 countries. As part of our Embedded team, you'll develop SDK capabilities for 3rd party applications, contributing to our product strategy and its success.

You’ll collaborate with our international team of developers and quality engineers, bringing not only your coding and problem-solving skills but also a passion for improving our development processes. Our embedded team builds the core framework and capabilities essential for F-Secure's growth and future.

Our team is spread across Helsinki and Oulu, and you can choose to work from the office or in a hybrid mode from your home office in Finland. We value in-person meetings and strive to meet regularly.

Key responsibilities:

  • Taking ownership of our existing features and together with the team, drive the continuous improvement.
  • Striving for innovation. We help you dive deep into our core technologies to have an end to end understanding how we protect consumers. You bring in your experience with iOS APIs and Apple App Store policies. Together, with the team, we innovate better solutions to protect the consumer.
  • Participating in mobile/iOS app and SDK development as a code contributor and reviewer
  • Staying on top with iOS platform development trends and Apple policies.

What are we looking for?

  • Proficiency in Swift
  • Previous experience in building SDK is an advantage
  • Interested in building frameworks or improving existing API
  • Hands-on experience with unit testing, test automation and continuous integration
  • Experience in using good design patterns and architecture.
  • You are comfortable with working in English as our organisation language is English.


  • You have a natural tendency to mentor and lead people to achieve common goals together and you get a kick our of seeing people around you grow and develop.
  • Ability to analyze, classify, and address customer feedback, including reported bugs, issues, and feature requests
  • We're looking for individuals who have a curiosity towards becoming "full stack" and openness to take over and develop their skills also in Android native development.

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 vetting will possibly be conducted for the selected candidate in accordance to our employment process. #Li-hybrid

Work with great people

UX & Service Designer
"The best part of my job is that I get to create products that protect people, keeping them safe in a constantly changing world."
Threat Researcher
"Fantastic colleagues, a respecting environment, and a chance to contribute tangibly to make the world a better place. No Monday blues at F-Secure!"
Senior Developer
"Passion for technology and interest in keeping up with the latest advancements in the field lead me to join F-Secure."
Lead Cloud Developer
"At F-Secure you won't feel bored. There are opportunities to learn new things every day."

Great Place to Work

  • Over 500 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

F-Secure delivers research-led cyber security to defend organizations, society and people from real-world attacks and build resilience into their approach. Our people are a mix of technical and creative experts – diverse, talented, and passionate people – working tirelessly to help us advance the industry with new ways of thinking. They lead their own development, in and out of the office. They call the shots when it comes to building a place to call home in our organization.

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.

Diversity & Inclusion:

F-Secure is an equal opportunity employer and believe that employing a diverse workforce is central to our success. We are committed to ensuring all qualified applicants will receive consideration for employment without regard to nationality, colour, race, ethnic or national origin, sex, gender (including gender reassignment), sexual orientation, religion or belief, age, marital status or physical or mental disability. We will do everything we can to support you during your application. If you need us to make any adjustments to our recruitment process, speak to our recruitment team who will be happy to support you!

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

2022F-Secure separated its consumer and enterprise business areas through a de-merger. From a pioneering cyber security company, we are now founding a dynamic, consumer focused, partner driven company: highly profitable with a strong, global market presence and growth focus.

Milla Saari | Contact Person

I'm interested

Multiple locations | Hybrid
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