H
Haystack People
Backend
Software Engineer
PHPJavaScriptAlgorithmic Problem-SolvingDesign PatternsDomain-Driven DesignDependency Injection
About the Position
In this role, as a Staff Engineer, you will influence the architecture of complex platforms and dive into algorithmic challenges. You'll work within a specialized software company focused on making complex infrastructural data accessible and effective, collaborating with experienced senior developers in a flat organization without political pressures.
Responsibilities
- Dive into complex algorithmic and data structure challenges
- Unravel architectural knots and design solutions
- Engage in pair programming with senior developers and challenge existing choices
- Collaborate with domain experts from ProRail or Schiphol
- Conduct code reviews, manage test strategies and initiate continuous improvements
Requirements
- Minimum 6 years of experience as a Backend or Fullstack Developer
- Strong skills in PHP (OOP, without dependency on frameworks like Laravel)
- Proven algorithmic thinking and designing scalable solutions
- Comfortable in architectural discussions and making technical choices (and justifying them)
- Familiarity with Design Patterns, Domain-Driven Design, and Dependency Injection
- Ability to write secure, maintainable, and well-tested code
- Coaching ability within teams, without needing a 'lead' label
- Experience with JavaScript and frontend frameworks is a plus
Benefits
- Salary up to €90,000 based on experience and impact
- 25 vacation days + vacation pay
- Hybrid working: home, office, or where you perform best
- Home office reimbursement + budget for your workspace
- Easily accessible office near TU-wijk in Delft (including provided lunch!)
- No micromanagement, no political layers – just freedom and trust
- Inspirational sessions, conference visits, and knowledge sharing via show-and-tells
- Regular drinks and outings (like VriMiBo and changing cafés in Delft)
- Working hours that fit your life (32/36/40 hours possible)
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Software Engineerup to €90,000