Senior PHP Engineer

Location: Palaio Faliro, Attica, Greece

Work Mode: Fully Remote / Hybrid

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About the Position

Ready to embark on the quest of joining Hack The Box?

Welcome! Super excited you dropped by 🥳

At the end of this journey, you'll become a proud member of Hack The Box, with the ultimate mission to raise cyber resilience, so that every organization can stay ahead of tomorrow’s threats.🚀🔒💻

Responsibilities

As a Senior PHP Engineer, you will:

• Work on one of our HTB platforms, HTB Business, responsible for upskilling organizations across the globe.
• Enhance the platform and develop new features.
• Collaborate with developers, QA, and Product Managers to create an amazing experience for HTB customers.
• Develop new features and tools using the Laravel PHP Framework.
• Generate clean, safe, reusable, and scalable PHP code.
• Create and maintain RESTful APIs.
• Contribute to architectural and software design decisions.
• Contribute and maintain technical documentation and specifications.
• Perform code reviews.
• Maintain the platform by reacting to issues and defects raised.
• Collaborate with frontend developers, who are using Vue.js to integrate user-facing elements with server-side logic.
• Stay up-to-date on emerging technologies.

Requirements

• Proven professional experience with Object Oriented Programming (OOP).
• Experience with Laravel, Symfony, Springboot, or other frameworks following the MVC architecture.
• Experience with applications providing a RESTful API.
• Deep understanding of HTTP.
• Strong knowledge of relational databases.
• Experience with unit testing frameworks such as PHPUnit.
• Good understanding of SOLID principles and software design patterns.
• Analytical mind with problem-solving aptitude.
• Self-starter, ability to work independently and as part of a team.
• Being cyber security-minded is a strong plus.

Nice to Have

• Experience with JIRA and Vue.js.
• Strong background in cyber security.

We Offer

• Relocation support with a 10% relocation bonus on the annual salary and 50% tax reduction on your income.
• Accommodation support during the first few weeks.
• Private health care.
• Paid paternity leave.
• 25 annual leave days.
• Free lunch & snacks at the office.
• 120€ Ticket Restaurant by Edenred.
• Dedicated budget for training and professional development, participation in conferences.
• Full access to the Hack The Box lab offerings.
• State-of-the-art equipment (mac, iPhone, and mobile plan).
• Flexible WFH (Hybrid Model) - Fully Remote is also an option if you're not an Attica resident.
• Annual childcare allowance to support daycare expenses for parents.
• Access to on-site gym and a variety of group activities including Cross Training, Pilates, Boxing, and Climbing.

About the Company

Hack The Box is the leading cyber readiness platform for the agentic era, battle-testing and upskilling both humans and AI agents to enhance organizational cyber resilience. Trusted by the Fortune 500, government agencies, and MSSPs, the platform delivers threat-informed learning paths consisting of real-world scenarios in gamified labs and live-fire simulations that build and validate offensive and defensive cyber capabilities. With a loyal community of more than 4 million members and 800+ enterprise customers, Hack The Box empowers teams and intelligent systems alike to strengthen cyber defenses and reduce breach risk effectively.

Rapidly growing its international footprint and reach, Hack The Box is headquartered in the UK, with additional offices in the US, Australia, and Greece.

🚨 News & Resources:

• We’re incredibly proud to share that our headquarters in the UK, along with our entities in Greece and the US, have been certified as a Great Place to Work for 4 consecutive years (2023 - 2026).
• In addition, our Greek entity has been recognized among the Best Workplaces in Greece (4th, 2nd, 3rd, 1st) and Europe (7th, 10th, 73rd) during this period - a testament to our strong culture and commitment to creating an exceptional employee experience!

Take a sneak peek at how it is to be part of HTB. Get more insights about our HTB culture and employee experience by visiting the “about us” section of our site, our career site, and Glassdoor.

At Hack The Box, we are committed to fostering a diverse, inclusive, and equitable workplace. We believe that diversity enriches our performance, services, and the communities we serve. As such, we ensure that all job applications are considered solely based on merit, skills, and qualifications. We do not discriminate on grounds of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We are dedicated to providing a fair and respectful work environment that reflects our values.

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Hack Your Career, Today. Join us in this epic adventure of cybersecurity at Hack The Box! 🚀🔒💻