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    • A developers-only office at Lange Geer 26, within walking distance of our sales and product teams in the heart of Delft.
    • 24 vacation days and 2 Diversity Days⚡.
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Job Post Details

Medior PHP Developer - job post

Online Payment Platform
DelftHybride werken
€ 4.000 - € 5.500 per maand - Fulltime
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Vacaturegegevens

Salaris

  • € 4.000 - € 5.500 per maand

Dienstverband

  • Fulltime

Locatie

DelftHybride werken

Volledige vacaturetekst

3 reasons you should join our team as a Medior Developer:

1. You will work on systems that matter. You’ll help build and maintain a platform that simply cannot go down. Every day, millions of users rely on our systems to send and receive money safely.

2. You will go deep on backend engineering. From improving microservices to optimizing performance, you’ll write clean, reliable code that keeps our platform fast, secure, and accurate.

3. You will work with 30+ engineers who enjoy solving real problems together. We keep things practical, share knowledge, and build systems that actually get used.

Our offices are located in Delft, near Rotterdam. If you do not know Delft yet, it is one of the most loved cities among engineers, with beautiful canal-lined streets, good beers, a strong tech vibe, reasonable housing prices, a walkable centre that keeps life easy, and public transport that gets you anywhere fast.

Build the backbone of global e-commerce
What started as five people, a small office, and some orange nerf guns has grown into one of Europe’s fastest-growing fintechs. With 150+ colleagues, offices in Delft, Berlin, and London, and Worldline as our partner, we’ve got the perfect mix: the power of a global leader with the energy of a scale-up. At OPP, we build the technology that powers the next generation of e-commerce. From eBay Kleinanzeigen to IKEA, millions of users rely on our systems every day. We don’t just process payments, we enable platforms to accept, hold, and disburse funds securely. 24/7.

As a Medior PHP Developer at OPP, you will play an important role in building and improving our core platform. You’ll work on real features that are used daily by millions of users, while making sure our systems stay stable and scalable as we grow. You’ll be hands-on with coding, improving existing services, and helping to build new ones. At the same time, you’ll work closely with more experienced engineers to learn, challenge ideas, and make technical decisions together. You’ll be part of one of our agile teams, working on topics like payments, onboarding, and platform reliability. We expect you to take ownership of your work, think in solutions, and contribute to improving how we build and ship software as a team.

Some of the projects you’ll be part of

  • Build new in-platform payment flows that move money in ways traditional e-commerce never had to.
  • Level up onboarding and compliance, making it faster for users and stricter where it counts.
  • Break big systems into clean microservices that stay fast when traffic hits across Europe and the UK.
  • Create the APIs and tools platforms need to grow without waiting on us.

Our tech stack

PHP, Laravel, Symfony, MySQL, Redis, Docker, Kubernetes, CI/CD

Job requirements

Your track record shows

  • You have 3-7 years experience with PHP and MySQL and know how to build stable, well-performing systems.
  • You can build and ship features in Laravel or Symfony.
  • You have worked on high-traffic platforms, APIs, or service-based architectures.
  • CI/CD, Docker, caching, queues, optimization, and scalability are familiar to you.
  • You are curious and eager to learn, and you enjoy growing your skills over time.
  • You take ownership of your work and think in solutions, not just tasks.
  • You are currently based around our Delft office.

How we invest in you

  • An all-in annual salary up to €80.000
  • A modern, flexible workplace with hybrid working.
  • 24 vacation days and 2 Diversity Days⚡.
  • 12-month contract with the possibility of extension and finally a permanent contract.
  • The tools you need: a MacBook, €1000 for your home office setup, and NS Business Card.
  • An attractive bike plan if you work 24 hours or more.
  • A developers-only office at Lange Geer 26, within walking distance of our sales and product teams in the heart of Delft.
  • A great work atmosphere with catered lunches and regular team drinks.

Inclusion matters at OPP

At OPP, we believe that different perspectives make better decisions. We are a diverse team and value you for who you are, not just your CV, so we encourage you to apply even if you don't check every box. We are committed to building an inclusive environment where everyone can make an impact. If you need any adjustments or accommodations to participate fully in our recruitment process, please let us know so we can support you.

Want to know more about our projects?

Let’s talk! We’ll tell you everything you need to know. Send your CV or get in touch with our tech recruiter Georgios at georgios@onlinepaymentplatform.com.

Hiring for this position is ongoing, so you may have seen this vacancy before. We are continuously expanding our engineering team and are always interested in connecting with ambitious experienced professionals.

Salaris: €4.000,00 - €5.500,00 per maand

Werklocatie: Hybride werken in Delft

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