Senior PHP Developer

At Shiftbase, we help shift-based businesses spend less time on admin and more time on what matters. Our workforce management platform supports scheduling, time tracking, and HR tasks for 10.000+ companies across Europe, and we’re scaling fast toward 250,000 businesses by 2034.

To support this growth, we’re strengthening our backend team with a developer who enjoys solving complex real-world problems, modernizing a mature platform, and shaping a future-proof architecture.

Why Shiftbase?

High-impact engineering

Your work powers a platform used daily by tens of thousands of employees

Real engineering challenges

You’ll help evolve a 10+ year monolith into a modular, testable, and scalable system while maintaining high performance across large datasets, scheduling logic, and time calculations.

Modern, pragmatic tech

PHP (Laravel/Symfony experience welcome), modular architecture, automated testing, CI/CD, feature flags, Open API, and a culture of continuous improvement.

Ownership & Trust

We work in small, collaborative teams with a lot of autonomy. If you enjoy taking ownership and improving things end-to-end, you’ll feel at home.

What you'll do

• Design and build backend features that directly impact our users
• Modernize parts of our monolith into modular, maintainable services
• Improve performance across complex queries, calculations, and workflows
• Shape and maintain our Open API for partners and integrations
• Write automated tests and contribute to a strong CI/CD Setup
• Collaborate closely with frontend, product, and infrastructure teams
• Help improve Developer Experience and reduce onboarding friction

What we’re looking for

• 3+ years of experience in PHP (Laravel, Symfony, or similar frameworks
• Solid understanding of test automation (PHPUnit, Playwright)
• Experience with CI/CD and modern development workflows
• Ability to balance feature delivery with long-term maintainability
• Strong communication skills and collaborative mindset
• Passion for clean architecture, simplicity, and continuous improvement

Nice to have: DDD, Hexagonal Architecture, TypeScript knowledge, or experience with API-first development

What we offer

• Salary: 5000 - 7000 a month excl holiday allowance
• 25 vacation days (based on 40h contract)
• Flexible hours & hybrid working
• Travel reimbursement
• personal development budget
• Quarterly hackathons, team BBQs, and a strong engineering culture
• Influence on shaping our engineering practices as we scale

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