Full Stack Developer

Job Description

About the job

F-Secure makes every digital moment more secure, for everyone. For over 35 years, weve 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, FSecure has offices in Europe, North America and Asia Pacific.

Are You a Fullstack Developer Eager To Build Something From Scratch And Shape Both The Product And The Technology Behind It? Were Now Hiring a

Fullstack Developer New Product Area

Were building a next-generation cybersecurity business platform that will transform how our partners deliver, manage, and scale FSecures services. This is a greenfield product developed from the ground up without legacy constraints. Youll join a small, cross-functional team to define, prototype, and launch a platform that enables self-service onboarding, AI-powered insights, and rapid go-to-market for our security offerings.

Youll have the full backing of FSecures leadership and the freedom to work closely with a designer, product manager, and fellow engineers to iterate fast, deliver meaningful results, and evolve the platform over time.

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'll you do?

• Build and develop a completely new product in a small, agile team
• Create and validate prototypes using mock data to accelerate learning and gather feedback
• Write and refactor clean, maintainable code using modern tools including AI copilots
• Take ownership of your code throughout its lifecycle, including testing and bug fixing
• Design APIs, SDKs, and integration capabilities that partners can seamlessly embed in their own ecosystems
• Contribute to UX and product design discussions, including features, flows, and epics
• Help evolve the platforms AI capabilities over time
  
  

What are we looking for?

• A senior fullstack developer with experience in early-stage product development (MVPs, startups, or internal ventures)
• Hands-on skills in fullstack or backend development and modern cloud-based platforms
• Experience with rapid prototyping and making architectural decisions in ambiguous environments
• A passion for writing scalable, maintainable code and continuously improving it over time
• Solid understanding of API design, platform integration patterns, and backend systems
• A collaborative, pragmatic mindset you thrive in small teams and take ownership of your domain
  
  

You Excel In One Or More Of The Following

• Frontend and fullstack development focused on lightweight, responsive UIs
• Backend, data, and analytics engineering to enable scalable insight generation
  
  

Bonus Points For

• Experience embedding AI features into products (e.g., recommendation systems, adaptive workflows)
• Familiarity with prompt engineering or leveraging LLMs in product development
• Background in startup teams or greenfield product initiatives
  
  

What will you get from us?

• Meaningful impact Youll tackle interesting software engineering challenges that help secure the digital lives of millions of users across more than 50 countries.
• Talented teammates Work alongside experienced, enthusiastic colleagues with strong team spirit. Within F-Secure, you'll find some of the best minds in the cybersecurity industry.
• Career development We actively encourage our Fellows to grow and develop within F-Secure. Over time, you may explore different roles or contribute to various products and teams.
• Autonomy and flexibility You shape your role, set your priorities, and organize your work for the benefit of us all. Our flexible, agile, and dynamic environment supports individual needs and interests.
• Mentorship and onboarding From day one, you'll have a named buddy or mentor to help you integrate, learn our practices, and start contributing your own ideas.
• Exciting phase of growth Were in a unique moment in our 30-year history, with curiosity and excitement in the air. It's a great time to build a strong and meaningful career with us.
  
  

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

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

If your LinkedIn account is up to date and informative, no need to prepare a CV, just leave us a link to your profile.