Full Stack Developer (Collectmaxx)

We're looking for a backend-leaning Full Stack Developer to help build and evolve our communication platform. We enable our clients to reach their customers through Voice, SMS, and email - and we're continuously expanding to new channels and adding more flexibility in follow-up actions.

You'll work with a modern stack centered around PHP (Symfony), JavaScript, and MySQL, using GitHub/Bitbucket for version control. Experience with AWS (S3/SQS/EC2) and GraphQL is a strong plus, and familiarity with MongoDB is a bonus.

There's no shortage of challenges here - and plenty of room to make a real impact.

What You'll Do

As a Full Stack Developer at Collectmaxx, you:

• Work on integrating new solutions - built or bought - into the Collectmaxx platform
• Operate in a cross-functional scrum team where you're responsible for writing clean code with strong business awareness
• Onboard and integrate customers onto the Collectmaxx platform and its services
• Design generic, reusable solutions that can accommodate multiple customers
• Continuously think about how our solutions can be improved and expanded
• Are customer-centric, but also critical when evaluating customer needs
• Proactively pick up new opportunities to improve what we offer

Do you have a Bachelor's degree?, You're a hands-on developer who combines technical skill with real business sense. A degree in Computer Science or Information Technology is great, but what matters most is what you can do.

• 4-6 years of experience in a similar full stack role
• Fluent in English; Dutch is a strong plus
• You thrive in agile environments and value structured, well-versioned work
• Solid experience across both backend and frontend development
• You align with our core values - and that's non-negotiable

Must-haves: PHP, Symfony, GitHub/Bitbucket, JavaScript, MySQL, Docker

Nice-to-haves: AWS (S3, SQS, EC2), GraphQL, MongoDB, event-driven UI (Symfony UX or similar), RabbitMQ

You live in the Netherlands and have a valid work permit. We work hybrid, but value face-to-face collaboration - so we ask you to be in the office at least 60% of the time.

• Competitive salary
• 25 vacation days
• Travel allowance
• Pension scheme (50% employer-paid)
• The chance to make a real impact at a fast-growing company
• Short lines of communication - your ideas matter here
• A team of great international colleagues with a true Rotterdam mentality: committed, direct, and always moving forward

The Office

We've got a desk waiting for you in the heart of Rotterdam. Our office is in The Red Apple, one of the city's tallest landmarks - an open, loft-style workspace with an inspiring view and a proper coffee machine. Metro station Blaak and the Markthal are just a short walk away.

Interested?

If you're proactive, results-oriented, and believe development should be fun - we'd love to hear from you. Join Collectmaxx and let's build something great together.     If you require alternative methods of application or screening, you must approach the employer directly to request this as Indeed is not responsible for the employer's application process.

Collectmaxx is a Dutch company on a mission: help businesses get paid faster, at lower cost. We're a small, driven team building a fully automated, white-label dunning platform that combines 25+ years of collections expertise with modern AI technology. We deliver increased recovery rates, maximized returns, and better financial health for our clients across Western Europe - with a strong focus on the Benelux, Austria, and Switzerland - all while maintaining the highest standards of integrity and trust. In 2026, we're upgrading our proven enterprise platform into a PaaS setup, enabling us to serve enterprise clients with custom implementations and SMBs through a self-serve model - all on the same infrastructure. It's an exciting time to join.