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Mobile Developer, iOS

F-Secure

Office

Helsinki

Full Time

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.

We are seeking a mid-level 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 your coding and problem-solving skills along with enthusiasm for diving deep into technical challenges and debugging complex issues. Our embedded team builds the core framework and capabilities essential for F-Secure's growth and future, and this role offers excellent opportunities for professional growth and skill development.

Our team is based in Helsinki and we work in a hybrid model: you can work from home most of the time, but we'd love to see you in the office now and then too. We just renovated our office spaces to make them work better for everyone. Our new Helsinki HQ is designed for collaboration and teamwork, complete with some great perks a rooftop sauna and a fully equipped gym. Check it out here!

Our hiring process

Our hiring process consists of two interview rounds. First, you'll have an introduction interview with the hiring manager and our Talent Acquisition. In the second round, you will dive deeper into technical discussions, as well as team and culture fit.

Key responsibilities:

  • Contributing to feature development and maintenance of our existing iOS SDK capabilities with guidance from senior team members
  • Debugging and troubleshooting complex technical issues in iOS applications and SDKs - we value developers who enjoy diving deep into technical problems
  • Learning and applying iOS technologies: we'll help you dive deep into our core technologies to build an end-to-end understanding of how we protect consumers
  • Contributing to mobile/iOS app and SDK development through hands-on coding, code reviews, and technical collaboration, with opportunities to grow the role
  • Staying current with iOS platform development trends and Apple policies with support from the team
  • Tools & Process Development: Code or create tools to streamline development workflows and process improvement
  • Working independently on assigned features while collaborating effectively with the team

Who are we looking for?

  • Solid proficiency in Swift with about 2-4 years of iOS development experience and familiarity with iOS frameworks
  • Hands-on experience with unit testing and basic test automation, and ambition for quality testing: you understand how good tests make refactoring safer, especially important when improving existing code.
  • Comfortable with collaborative coding and working in a team environment, participating in code reviews both within your team and across other teams, providing constructive feedback and iterating on solutions
  • Understanding of iOS development best practices and design patterns
  • Enthusiasm for debugging and problem-solving - you should enjoy spending time investigating and solving technical issues
  • Full professional proficiency in English, as that is our organizational language 

You get bonus points for:

  • Any exposure to SDK development or interest in learning about it
  • Experience with continuous integration tools
  • Interest in building frameworks or improving existing APIs
  • Experience analyzing and addressing customer feedback, including reported bugs and feature requests

      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.

      Mobile Developer, iOS

      Office

      Helsinki

      Full Time

      August 20, 2025

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      F-Secure

      FSecure