Junior Fullstack Developer

As Junior Fullstack Developer, you'll be working on innovative technologies that enable privacy-first advertising. You'll contribute to and help maintain systems that combine scalability, efficiency, and intuitive interfaces.

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euro iconSalary €2750 - €3750
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clock iconFull time (40 hours)
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Map pin iconAmsterdam

overview

As Junior Fullstack Developer, you'll be working on innovative technologies that enable privacy-first advertising. You'll help develop and maintain systems that combine scalability, efficiency, and intuitive interfaces. Opt Out Advertising is an ambitious scale-up building privacy-friendly marketing solutions. With an energetic team and clients such as NPO, The Guardian, and Reuters, we deliver impactful advertising campaigns. We are rapidly growing in the Netherlands and expanding into the UK.

What you'll be doing

  • Assist in building and maintaining advertising platforms.
  • Learn to design APIs and backend logic.
  • Contribute to creating intuitive and responsive frontends.
  • Help integrate external tools and systems.
  • Grow alongside our team and contribute to innovation.
  • Learn how to tackle scaling and performance challenges.

Qualifications

  • 0–2 years of experience as a Fullstack Developer (or a strong portfolio/internship experience).
  • Basic knowledge of programming languages such as Java, C#, Javascript (React).
  • Experience with Scala is a plus.
  • Familiar with databases like MySQL.
  • A proactive mindset and strong team spirit.
  • Fluent in Dutch and English.
  • Curiosity about digital advertising, privacy, and innovation.

What's in it for you?

  • Competitive salary based on experience.
  • Modern workspace in Amsterdam (with a view of the Zuidas) and possibility to work from home.
  • Team lunches, drinks, and outings.
  • Informal atmosphere with room for creativity and initiative.
  • Holiday allowance and a pension scheme.
  • Laptop and phone provided by us.
  • Travel reimbursement, T&E Budget, pension plan, and holiday allowance.

About Opt Out Advertising

At Opt Out Advertising, we combine cutting-edge technology with ethical innovation to reshape the digital advertising landscape. We are a privacy-first adtech company with our own Ad Server, DSP, and publisher network, all built on proprietary technology. We are different compared to all the others in the industry. Brands and publishers alike love us for that.

The Process

  • Apply via the button below with your resume.
  • Personality test via Neurolytics.
  • 1st interview.
  • 2nd interview.
  • Job offer.
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Contact us

Whether you are a publisher, an agency, an advertiser, or simply interested in consentless advertising, we are here to help.

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