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Developer (backend)

WithSecure™ protects businesses all over the world from modern threats. We do this through a Co-security approach born from first-hand knowledge that no one can solve every cyber security problem alone. Every single day, our diverse, growing team fights against online extortion, threats to national infrastructure, the unlawful spread of sensitive information, and everything in-between. The best part about working for WithSecure is our people! We are a community of dedicated and passionate professionals that take workplace happiness seriously. If you’re looking for something that’s more than just a job – we’d love to hear from you.

We are looking for a mid-level Developer to take part in our state-of-the-art Exposure Management product which is about to being introduced in the market. We strongly believe that the shift from reactive to proactive cybersecurity is the revolution we are now facing and Exposure Management plays a key role in it. Instead of focusing on identifying weaknesses, exposure management is concerned with understanding and mitigating the risk posed by those weaknesses. Exposure management takes a broader view of the organization's cybersecurity posture, considering threat intelligence, business context, and risk tolerance. This holistic approach enables organizations to prioritize remediation efforts based on the most significant risks to their business objectives.

What are we looking for?

We are looking for a mid-level experience backend developer who with a strong will to grow and learn. You will be involved in coding, code reviews as well as DevOps and infrastructure as code and we promise to provide what will be necessary to grow in these areas.


We need someone with demonstrable experience working in a similar role, to include:

  • C# development using latest frameworks;
  • AWS, especially lambdas and queues;
  • Docker;
  • Git;
  • Unit testing.

Bonus points:

  • design patterns;
  • GraphQL;
  • Jenkins;
  • front-end skills.

What will you get from us:

  • Being part of rapidly growing and prestigious cybersecurity industry (we deliver solutions to other IT experts).
  • Flexible ways of working: fully remote, hybrid or office work.
  • Benefits: private healthcare (LuxMed), lunch card, company phone and others.
  • Experienced colleagues to learn from.
  • Plenty of opportunities to grow.
  • Informal and safe atmosphere.
  • Being part of an inspiring team of highly skilled, friendly and supportive fellows.

Work with great people

William Jardine
Managing Consultant
"The freedom is a big thing for me. The trust you are doing something worthwhile."
Fairuz Zainor
"I joined WithSecure (previously F-Secure) straight after graduating and now, 10 years later, I am still happy to be here."
Kinga Baran
Program Manager
"WithSecure gives me a feeling of appreciation for what I do as well as ongoing challenges to grow personally. This sounds like a slogan but it really happens here!"

Great Place to Work

  • Over 900 amazing colleagues in 18 offices

  • Possibility to protect the world

  • Work with best of class experts who care

  • Relaxed, open and fun working environment

  • 70+ nationalities

  • Global with the spirit of a small company

About the company

Purpose – Why we exist
We are here to build and sustain trust in a digital society
We are here to build and sustain trust in a digital society — trust that is threatened by uncertainty, fear and worry caused by cyber attacks and crime.

Vision – Where we are heading
No one should experience a serious loss because of a cyber attack
We envision a future where no one should experience a serious loss or be put out of business because of cyber attack or crime. At least no one who puts their trust in us.

Mission – What we do
Accelerate transition to outcome-based security
Our mission is to research, innovate and build technologies, human expertise and delivery-business models that will accelerate our customers’ and partners’ transition to outcome-based security.

Diversity & Inclusion:

WithSecure 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!

Fabian Więcek | Contact Person

I'm interested

Poznań | Hybrid
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