Senior PHP Engineer

Hack The Box

Source: WorkableLocation: Germany onlyPublished: May 11, 2026Confirmed active: Sep 11, 2026
Full-timeTechnology

Our assessment

  • Our reading of the full posting text confirms it: fully remote.
  • The posting states no salary. Comparable roles in our index (74 postings): median 5,834 euros per month, middle range 4,836 to 6,875 euros.
  • 9 more open roles from this employer in our index. 9 of them fully remote.

This section only: calculated automatically by nomado24, from our own job index and our own reading of the posting text. Not stated by the employer.

Job description

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.

The core mission of the Senior PHP engineer:

Work on one of our HTB platforms, HTB Business, responsible for upskilling organizations across the globe. In this role, you will have the opportunity to work on the enhancement of the platform and the development of new features.

We are open to candidates with diverse back end programming backgrounds, as long as you have experience in an MVC framework, passion and aspiration to work with PHP programming language and the Laravel Framework.

Location & Work Mode:

  • Europe/Greece
  • Choose between fully remote work across Europe or relocating to our Athens Tech Hub with relocation support.

Fully Remote / Hybrid (2 days in the office, 3 days remote, plus one month of work from anywhere) - If only in Greece: When hiring in Greece, we’re open to candidates from all locations. Those based within 55 km of our Athens office will follow a hybrid work model. For candidates located beyond that radius, a fully remote arrangement is available.

Relocation

  • We offer a 10% relocation bonus on the annual salary to support your move.
  • In addition, you would benefit from a 50% tax reduction on your income as part of the relocation.
  • We'll support you with accommodation during the first few weeks

The fellowship you’ll be joining:

As a Back end developer you will work closely with developers, QA and Product Managers to create an amazing experience for HTB customers. You will be an integral part of HTB development team aspiring to build the world's largest hacker community. This engineering team is the biggest one , aligning with the expansive mindset of our HTB Business platform and serving a diverse set of customers globally.

Tools & weapons you’ll be using:

PHP, Laravel , JIRA, SQL, Docker, Github

Interesting resources you should check:

  • #3 Engineering Team Meetup
  • HTB Business Team Off Site Adventure

The adventures that await you after becoming Senior PHP Engineer at Hack The Box:

  • 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

Skills, knowledge, and experience points required to unlock the role of Senior PHP Engineer at Hack The Box:

  • Proven professional experience with Object Oriented Programming (OOP)
  • Experience with Laravel, Symfony, Springboot or other frameworks following the MVC architecture is a strong plus
  • 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

What your Hack The Box adventure will have in store:

  • You'll have the exhilarating opportunity to contribute to a product that is highly appreciated by users and the cybersecurity community at large.
  • You'll experience a highly supportive and caring environment, fostering growth, flexibility, and autonomy.
  • You'll embark on an exciting journey of continuous learning and problem-solving, levelling up as our organisation grows.
  • Most importantly, you'll have a blast at HTB because fun is an essential ingredient in our recipe for success! Just wait until you see our global meet-ups!

The gems you’ll be enjoying as Senior PHP Engineer:

  • We have also other benefits that will keep you happy:
  • 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; so you can learn how to hack
  • 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

Note after Benefits:

Our benefits package is designed to …

workableR&D

This role is provided by an external source. Applications are handled on the source website.

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