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Senior Engineer (WAF)

Ljubljana, Slovenia
Posted on Thursday, December 21, 2023
Engineering · Ljubljana, Slovenia (Headquarters) · Fully Remote

Senior Engineer (WAF) is where individual imaginations gather together to solve next-generation internet challenges. Join a team of experts and, together, help shape the future of the internet. Here, you'll do more than join something — you'll add something.

We're not just saying that, but our culture really hops. We have established values that enable our fluffle to grow stronger with each new team member who joins us: Relentless Innovation. Integrity. Impact. Kindness. Diversity. Transparency & open communication. We also believe "good" is not good enough, and we continue striving to keep pushing things to the next level by learning and improving every single day. Oh, and did we mention that all our positions are 100% remote with a flexible working schedule? There's no need to relocate if you would like to join us, and you can carve out your own work schedule as well!

Senior Engineer (WAF)

We are looking for an experienced Senior Engineer to work on an in-house build WAF solution. You will design, implement, and test innovative WAF security solutions that will be a new security benchmark on the market.

What will you do?

  • Have a "hands-on" approach in designing and building in-house, greenfield WAF solutions.
  • Innovate, develop, test, and sustain highly scalable security solutions to safeguard our ecosystem and customer solutions.
  • Focus on architecture, planning, and system implementation.
  • Ensure adherence to best practices, standards, and procedures.
  • Responsible for writing and maintaining tests.
  • Manage and update documentation.
  • Opportunity to author patent applications.

    What will you add?

    • 4-5+ years of commercial experience as a Software developer / Software Engineer working with C# (C++/Rust/Golang are good as well).
    • Proven experience developing security solutions.
    • Good understanding of layer 7 protocols.
    • Excellent understanding of different kinds of attacks and potential attack vectors.
    • Comfortable working in cross-functional teams to set timescales.
    • Independence and effective communication skills.
    • Excellent understanding of Secure Coding practices.
    • Ability to detect performance-critical issues and optimize them.
    • Experience with CI/CD and Agile environments.
    • Good to have - knowledge and experience developing AI solutions.

    What is in it for you?

    At, we invest in you. We want to provide significant benefits while also helping you maintain a healthy work & personal life.

    • A competitive salary. You can expect above-average industry salaries.
    • 100% flexible working hours. Work from anywhere, at your own schedule.
    • Medical, dental, and vision insurance covers you all over the world.
    • Paid Time Off. Love visiting the seaside? No problem - us, too. We offer 25 days of paid vacation (plus your local public holidays on top).
    • Parental Leave. Bonding with the little ones is super important, so we offer parental leave and flexible scheduling to ease your way into parenthood.
    • Home Office Budget. We believe everyone is more efficient working in a comfortable office, and we're happy to help.
    • Paid Sick Leave. Feeling ill? Take time off and get back to 100% without worrying about your finances.
    • Mental Health Support. Feeling down? We've got your back. provides mental health resources and help via our external partner.
    • Educational Budget. Dedicated yearly learning and educational budget for books, seminars, and online courses.
    • Wellbeing Budget: A yearly budget to invest in your personal health and wellness.


    • You'll report to: Backend Team Engineering Lead
    • Department: Engineering
    • Expected start date: ASAP
    • Preferred time zone: CET +/- 4
    Senior Engineer (Special Projects)
    Remote status
    Fully Remote


    We are on a mission to help build and accelerate the internet of tomorrow. We obsess about customer experience and strive towards constant innovation, with the goal of helping companies and developers build a faster, safer, and more reliable internet.

    Founded in 2015
    Co-workers 60
    Engineering · Ljubljana, Slovenia (Headquarters) · Fully Remote

    Senior Engineer (WAF)