Medior PHP Backend Developer, Zoetermeer

At Shiftbase, we believe time is too valuable to waste on admin. That’s why we’ve built a fast-growing, scalable platform that helps shift-based companies manage scheduling, time tracking, and leave more efficiently and thus freeing them to focus on what matters. With over 8,500 customers across Europe and a goal to help 250,000 businesses by 2034, we’re on anexciting growth journey. Join our driven team of 75+ professionals in Zoetermeer, where speed, ownership, and innovation define how we work. At Shiftbase, you’ll collaborate with top talent, shape smarter tech, and make a real impact on thousands of businesses every day.

Job description Why join us?

Real impact: Your work powers a platform used daily by tens of thousands of people across Europe.

Strong foundations: Modern PHP, modular architecture, CI/CD, and a culture of continuous improvement.

Growth mindset: Join a talented team that values learning, ownership, and pragmatic solutions.

Forward-looking: From Open APIs to AI-enhanced functionality, we’re building the next-gen workforce platform.

About the role

As a Backend Engineer, you’ll be shaping the engine behind a high-impact SaaS platform. You’ll design and build scalable backend functionality that solves real-world problems for our users, while helping modernize a robust codebase for the future. We’re evolving a mature monolith into a modular, testable system that supports our rapid growth. You’ll work on everything from API design to performance‑critical processes and contribute to our ongoing shift toward clean architecture, automation and better developer experience.

What you’ll do

Build and optimize backend features that drive real user value

Design, document and maintain our Open API for both internal and external use

Refactor legacy components into modular, scalable services

Write automated tests and support CI/CD best practices

Collaborate with frontend, product and infrastructure teams

Improve performance in complex queries, calculations and processes

Enhance Developer Experience and reduce onboarding friction

Job requirements What we’re looking for

3+ years of backend experience with PHP (Laravel, Symfony, or similar)

Comfortable with test automation (PHPUnit, Playwright) and CI/CD pipelines

Skilled at balancing new feature delivery with long‑term code quality

Strong communicator who collaborates well across disciplines

Passionate about clean code, simplicity and long‑term maintainability

Curious and open to evolving architectural approaches and tools

You’re open to learning about new technologies and you’re excited to find ways to implement them in your work

You are able to deliver quality features without much supervision all while keeping your team in the loop

What we offer

Competitive salary

25 vacation days (based on 40‑hour contract)

Flexible working hours, hybrid‑friendly

NS Business Card&travel reimbursement

Personal development budget

Team BBQs, quarterly hackathons, and a strong engineering culture

Influence on building our engineering culture

We are not looking for candidates outside of the Netherlands for this role. All applications outside the Netherlands will not be considered.

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