Software Engineering Intern

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

At the end of this thrilling journey, you’ll become a proud member of Hack The Box, with the ultimate mission to help redefine cybersecurity expertise. Get ready for an exciting adventure into the world of cybersecurity!

Location & Work Mode:

• Greece
• This is a full-time, 6-month contract role, with a strong chance of transitioning to a permanent position based on the successful outcome of the internship.
• 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 (2/week work from the office). For candidates located beyond that radius, a fully remote arrangement is available.
• Eligibility: This internship is best suited for students in their final year of studies or recent graduates with up to 2 years of professional experience, as they are likely to benefit the most from this opportunity.

✨The core mission of the Software Engineer Intern

As a Software Engineering Intern at Hack The Box, your mission is to help shape and expand our CTF platform—a cornerstone of our hacker-powered community. Over the next 6 months (Sept 25 – Feb 26), you’ll contribute to meaningful product development that reaches thousands of users, while developing core engineering skills and mindset. 

We’re offering two internship tracks depending on your skills and interests:

• Frontend Intern (Vue.js)
• Backend Intern (Laravel/PHP)

Either path will give you real experience building production-level features while learning directly from experienced engineers. 

By the end of your internship, you’ll have shipped code that matters, real features on a high-visibility product used by tens of thousands of hackers. You’ll gain hands-on experience in either Vue.js (Frontend) or Laravel PHP (Backend), depending on your focus.

If everything aligns, this internship has the potential to turn into a full-time position on Hack The Box’s software engineering team. For this reason, it’s an ideal opportunity for students in their final year of studies. 

The fellowship you’ll be joining:

You’ll join the Events team, a tight-knit squad made up of:

• 4 Software Engineers (2 frontend & 2 backend)
• 1 Product Owner
• 1 QA Engineer
• 1 Product Designer

We work closely with teams across Product, Infrastructure, and Community to bring CTF events to life. From internal launches to global competitions.

⚔️ Technology tools & weapons you’ll be using:

Depending on your focus, you’ll work with tools like:

• Frontend Intern Path: Vue.js (JavaScript/TypeScript), Vuetify, HTML/CSS, Figma, Vitest (for testing)
• Backend Intern Path: Laravel (PHP), MySQL, REST APIs, Postman, PHPUnit (for testing)

Other shared tools: Docker, GitHub, Jira, GitHub Actions

Interesting resources you should check:

• HTB Blog
• Laravel Official Docs
• Vue.js Official Guide
• Intro to Git and Version Control

The adventures that await you after becoming a Software Engineering Intern at Hack The Box:

• Frontend (Vue.js) or Backend (Laravel) development
• Contribute to real features and bug fixes on the CTF platform
• Collaborate daily with developers, QA, and design
• Write clean, maintainable code with support from mentors
• Participate in code reviews and improve through feedback
• Develop and run tests to ensure stability and quality
• Learn agile workflows and team ceremonies
• Ship improvements that are seen and used by real users
• Shadow senior developers and get exposure to product thinking

Skills, knowledge, and experience points required to unlock the role of the  Software Engineering Intern at Hack The Box:

• Advanced familiarity with one programming language (ideal case: Vue.js/JavaScript or Laravel/PHP)
• A passion for learning and building real-world applications
• Understanding of Git and version control basics
• Comfortable asking questions and collaborating in a team
• Strong attention to detail and curiosity
• Studies in a relevant field (Computer Science etc.)
• Bonus point: Interest in CTFs, cybersecurity, or ethical hacking!

The gems you’ll be enjoying as a Software Engineering Intern

• A competitive net monthly salary of €900, reflecting the value we place on your contributions and commitment
• A collaborative and encouraging team culture where your growth and ideas are supported every step of the way
• A dedicated onboarding buddy who will guide you through your first weeks, ensuring a smooth integration into the team and company culture
• Free lunch & snacks at the office
• Full access to the Hack The Box lab offerings (certifications, Labs, etc.); so you can learn how to hack
• Flexible/Hybrid working
• Paid time off

️ The Quest of Becoming Hack The Box’s Software Engineering Intern: 

• Level 1: To complete level one’s objective, submit your application (this job opportunity will be receiving applications until the 11th of June)
• Level 2: Complete an online standardized competency assessment
• Level 3: Meet the Talent Acquisition team. Level’s objective: highlight your achievements, ambitions, and values. (estimated dates: 16- 27th of June 2025, please, make sure you’ll be available to connect during those dates). Important Note: Level Three will be unlocked based on a holistic review of the available information, including the candidate’s CV, GitHub account, Hack The Box account, and performance in the online competency assessment.
• Level 4: Meet the hiring team. Level’s objective: connect with the hiring team and share with them your achievements. (estimated dates: 23 June – 4 July 2025, please, make sure you’ll be available to connect during those dates)
• Level 5: You’ve officially received an offer from HTB! To complete the last level and the Quest, all you need to do is accept the offer.

Note: Dates are tentative and may be adjusted if needed.

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

At Hack The Box, we are on a quest to find the most exceptional and enthusiastic talent to join our team. Whether or not you consider yourself a gamer, we value what makes you unique and want to know more about you. This job post provides just a glimpse of the incredible gamified experience our business and consumer customers enjoy through our platforms. So, if you’re ready to embark on a journey of growth and adventure, we can’t wait to meet you!

ABOUT HACK THE BOX

Hack The Box is the Cyber Performance Center with the mission to provide a human-first platform to create and maintain high-performing cybersecurity individuals and organizations. 

Hack The Box is the only platform that unites upskilling, workforce development, and the human focus in the cybersecurity industry, and it’s trusted by organizations worldwide for driving their teams to peak performance. Offering an all-in-one environment for continuous growth, assessment, and recruitment, Hack The Box provides solutions for all cybersecurity domains. 

Launched in 2017, Hack The Box brings together the largest global cybersecurity community of more than 3 million platform members. Rapidly growing its international footprint and reach, Hack The Box is headquartered in the UK, with additional offices in the US, Australia, and Greece.

Exciting News:

• Get the most important updates on HTB’s latest year!
• We are super proud to share that HTB’s all three entities across the UK, US, and Greece have been Certified as a Great Place to Work (Oct 2023-Oct 2024).
• Furthermore, in 2024 the HTB’s Greek entity has been listed by the Great Place to Work Institute as the #2 Best Workplace in Greece and #10 Best Workplace in Europe (among Small & Medium Workplaces ).
• Take a sneak peek at how it is to be part of HTB and our 2023 Global Retreat. 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.