SENIOR BACKEND DEVELOPER (PHP)

Location: Fully remote across Europe or relocate/hybrid to Athens Tech Hub (Greece). Hybrid requires being within 55 km of Athens office.

Company

Hack The Box is the leading cyber readiness platform, trusted by Fortune 500 and governments, with offices in UK, US, Australia, and Greece.

What you will do

• Develop new features and tools using Laravel PHP Framework.
• Create and maintain RESTful APIs and clean, scalable PHP code.
• Contribute to architectural decisions, technical documentation, and code reviews.
• Collaborate with frontend developers (Vue.js), QA, and Product Managers.
• Maintain platform by fixing issues and staying current with technologies.

Requirements

• Europe-based for remote or willing to relocate to Greece.
• Proven OOP experience.
• Experience with MVC frameworks and RESTful APIs.
• Deep HTTP knowledge and strong relational databases skills.
• Unit testing (PHPUnit), SOLID principles, design patterns.
• Analytical mindset, independent and team player.

Nice to have

• Laravel, Symfony, Springboot experience.
• Cyber security mindset.

Culture & Benefits

• Supportive environment with growth, flexibility, autonomy, and fun global meetups.
• Private health care, paid paternity leave, 25 annual leave days.
• Free lunch/snacks, 120€ Ticket Restaurant, training budget, conferences.
• Full HTB lab access, top equipment (Mac, iPhone), gym, group activities.
• Annual childcare allowance; benefits vary by location/employment type.

Hiring process

• Submit application and meet Talent Acquisition (achievements, ambitions).
• Meet hiring team, complete day-to-day aligned assignment with debrief.
• Receive and accept offer.