(Senior) Mobile Engineer, iOS

Job Description

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.

Do you have development experience in the iOS ecosystem and want to grow your craft in an agile team while helping make the world more secure tomorrow?

We’re looking for mid-level and senior iOS developers to join our TOTAL iOS Team — a team of engineers responsible for developing and maintaining F-Secure’s consumer security applications used by millions of people worldwide.

You’ll work on developing and maintaining our TOTAL iOS application, contributing to features that help protect users from modern digital threats. Depending on your experience and interests, you may work across user interfaces, application logic, platform integrations, or architectural improvements — while collaborating closely with designers, backend engineers, and security experts.

Our team works in an Agile environment, focusing on delivering value to users while continuously improving our codebase, tooling, and ways of working.

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 here!

What makes this role unique

You’ll be working on a large-scale consumer security product used by millions of users across more than 50 countries. The application integrates multiple protection modules and backend services to create a seamless and intuitive security experience for end users.

Our iOS application is also used by a wide network of partners who customize how the product looks and works. This creates interesting software engineering challenges related to modularity, integrations, and maintainability.

As part of the team, you’ll contribute not only to application development but also to improving development infrastructure, pipelines, and engineering practices that support high-quality delivery.

Key responsibilities:

• Design, develop, and maintain our native iOS applications
• Contribute to the development of our TOTAL iOS application as both a code contributor and reviewer
• Work with Swift and modern iOS development tools
• Collaborate with designers, backend engineers, and other stakeholders to deliver high-quality features
• Participate in maintaining and improving development infrastructure, pipelines, and tooling
• Contribute to improving engineering practices, development workflows, and team collaboration
• Stay up to date with iOS platform evolution and Apple ecosystem policies
• Ensure high code quality through testing, code reviews, and CI practices

What are we looking for

• Experience in iOS development using Swift
• Experience with modern iOS UI frameworks such as SwiftUI
• Strong understanding of iOS platform fundamentals and application architecture
• Experience with clean architecture and design patterns
• Ability to write maintainable code and improve existing codebases incrementally
• Experience with unit testing and best practices for ensuring code quality and reliability
• Familiarity with Xcode and the iOS development ecosystem
• Collaborative mindset and ability to work effectively in an Agile environment
• Motivation to learn, improve, and contribute to team success

Bonus points for

• Interest or background in cybersecurity, privacy, or system-level development
• Familiarity with AI-assisted development tools or agentic AI tooling used in day-to-day software 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.