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senior django engineer

Hack The Box

<div><h3 class="jobSectionHeader">Ready to embark on the quest of joining Hack The Box?</h3>
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!<h3 class="jobSectionHeader">
&#10024;The core mission of the Senior Django Engineer:</h3>
We are on the lookout for our next backend engineer in LetsDefend team. Let&rsquo;s Defend is a cutting-edge cybersecurity training company dedicated to empowering blue-team professionals by simulating a real Security Operations Center (SOC). It has a community of over 320,000 members across 150+ countries fosters peer learning and collaboration.
Hack The Box and LetsDefend join forces to create the world&rsquo;s largest collaborative cybersecurity platform with hands-on labs, SOC simulations, and a unified upskilling experience.
This role will focus on enhancing backend performance and scalability, strengthening code quality and reliability, and leading architectural direction across teams. The software engineer will play a key role in improving system efficiency, reducing issues, and fostering alignment with frontend, mobile, and DevOps counterparts. Additionally, they will own and deliver impactful backend features that support major product goals and contribute to the platform&rsquo;s long-term growth.
 Location &amp; Work Mode:<ul>
<li>
Options: Turkiye or Greece</li>
<li>Fully Remote - If only in Greece: When hiring in Greece, we&rsquo;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.</li>
</ul><h3 class="jobSectionHeader"> The fellowship you&rsquo;ll be joining:
</h3>
The new joiner will be part of a lean software engineering team composed of three members: one Senior Backend Developer, one Mid-Level Frontend Developer, and one Mobile Developer. In this role, they will collaborate closely not only with their immediate teammates, but also with key stakeholders across the organization, including the Content Engineering team, Sales team, Infrastructure, and the broader Engineering team, all of whom play a critical role in supporting the product and its customers. This position will report directly to the Sr. Director of Engineering.<ul><li>&#65039; Technology tools &amp; weapons you&rsquo;ll be using:</li></ul><ul>
<li>Django Framework (Python language)</li>
<li>Docker</li>
<li>Apache Kafka</li>
<li>Redis</li>
<li>Git</li>
</ul><h3 class="jobSectionHeader"> Interesting resources you should check:</h3><ul>
<li>Take a look at LetsDefend Website</li>
<li>Hack The Box + LetsDefend: Shaping the future of community-led cyber readiness</li>
</ul><h3 class="jobSectionHeader"> The adventures that await you after becoming Senior Django Engineer:
</h3><ul><li>Optimize backend performance by improving API responsiveness, refining database queries, and enhancing caching strategies.</li>
<li>Design scalable backend architectures and influence long-term technical direction across multiple products and services.</li>
<li>Implement high-quality, maintainable code with strong test coverage and adherence to best practices.</li>
<li>Refactor legacy components into clean, modular, and future-ready services that accelerate development.</li>
<li>Collaborate closely with frontend, mobile, DevOps, and product teams to ensure smooth execution of cross-functional projects.</li>
<li>Lead technical discussions, produce clear design documents, and guide the team on architectural patterns.</li>
<li>Troubleshoot production issues rapidly and improve system reliability through monitoring, logging, and error reduction.</li>
<li>Deliver high-impact backend features that directly support product growth, user engagement, and business goals</li>
</ul><h3 class="jobSectionHeader"> Skills, knowledge, and experience points required to unlock the role of Senior Django Engineer:</h3><ul>
<li>Expert-level proficiency in Django &amp; Django REST Framework, including ORM optimization, class-based views, and advanced API design.</li>
<li>Hands-on experience with asynchronous task processing, ideally Celery + Redis/RabbitMQ, and deep understanding of reliability patterns.</li>
<li>Ability to design scalable backend architectures, including caching layers, service boundaries, and performance bottleneck prevention.</li>
<li>Solid understanding of backend security practices, including authentication, authorization, rate-limiting, and secure data handling.</li>
<li>Proven track record of owning and delivering complex backend features, including writing technical designs and mentoring other engineers.</li>
<li>Good knowledge of English language (verbal and written)</li>
</ul>
Bonus points:<ul>
<li>
Experience with AWS or other cloud platforms</li>
<li>Knowledge of Docker or containerization</li>
<li>Exposure to event streaming technologies such as Apache Kafka</li>
</ul><h3 class="jobSectionHeader">&#65039; What your adventure will have in store:</h3>
<ul><li>You'll have the exhilarating opportunity to contribute to a product that is highly appreciated by users and the cybersecurity community at large.</li>
<li> You'll experience a highly supportive and caring environment, fostering growth, flexibility, and autonomy.</li>
<li> You'll embark on an exciting journey of continuous learning and problem-solving, leveling up as our organization grows.</li>
 Most importantly, you'll have a blast at HTB<li> because fun is an essential ingredient in our recipe for success! Just wait until you see our global meet-ups!</li>
</ul><h3 class="jobSectionHeader">The gems you&rsquo;ll be enjoying as a Senior Django Engineer:</h3><ul>
<li>25 annual leave days</li>
<li>Paid paternity leave</li>
<li>Dedicated budget for training and professional development, participation in conferences</li>
Full access to the Hack The Box lab offerings; so you can learn how to hack
<li>State-of-the-art equipment (mac, iPhone, and mobile plan)</li>
</ul>
Our benefits package is designed to provide strong support to our team, but it may vary depending on location and type of employment (e.g., UK, Greece, or engagement through an Employer
<h3 class="jobSectionHeader">&#65039; The Quest of Becoming Senior Django Engineer:</h3><ul>
<li>Level 1: To complete level one&rsquo;s objective, submit your application.</li>
<li>Level 2: Meet the Talent Acquisition team. Level&rsquo;s objective: highlight your past achievements, ambitions, and values.</li>
<li>Level 3: Meet the hiring team. Level&rsquo;s objective: connect with the hiring team and share with them your achievements.</li>
<li>Level 4: Meet the hiring team, once again, to explore your leadership mindset and values alignment with HTB.</li>
Level 5: Congratulations! Not many reach this level <li>. Level&rsquo;s objective: have a constructive, final conversation with senior leadership to explore the role and your future at HTB.</li>
<li>Level 6: 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.</li>
Quest complete. Congratulations, you&rsquo;re officially one of us Your next quest: complete the onboarding. 
<li>
</li>
</ul>Hack Your Career, Today. Join us in this epic adventure of cybersecurity at Hack The Box!<h3 class="jobSectionHeader">
ABOUT HACK THE BOX</h3>
Hack The Box is the leading cybersecurity readiness and upskilling platform, trusted by enterprises, government organizations, and MSSPs to build cyber resilience at scale. Through AI-enhanced intelligence, gamified labs, live-fire simulations, and the power of one of the world&rsquo;s largest cybersecurity communities, Hack The Box helps teams master offensive and defensive skills in real-world scenarios. Founded in 2017, Hack The Box has grown its global community of over 4 million members, helping organizations validate resilience, mitigate breach risk, and develop cyber talent. For more information, visit hackthebox.com
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 &amp; Resources:<ul>
<li>
Get the most important updates on HTB&rsquo;s latest year!</li>
<li>We&rsquo;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 three consecutive years (2023 - 2025).</li>
<li>In addition, our Greek entity has been recognized among the Best Workplaces in Greece (4th, 2nd, 3rd) and Europe (7th, 10th, 73rd) during this period &mdash; a testament to our strong culture and commitment to creating an exceptional employee experience!</li>
</ul>
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 &ldquo;about us&rdquo; 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.</div>

Senior Django Engineer

<div>
 
 
 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! 🚀🔒💻
 
 
 
 ✨The core mission of the Senior Django Engineer:
 
 
 
 We are on the lookout for our next backend engineer in LetsDefend team. Let&rsquo;s Defend is a cutting-edge cybersecurity training company dedicated to empowering blue-team professionals by simulating a real Security Operations Center (SOC). It has a community of over 320,000 members across 150+ countries fosters peer learning and collaboration.
 
 
 Hack The Box and LetsDefend join forces to create the world&rsquo;s largest collaborative cybersecurity platform with hands-on labs, SOC simulations, and a unified upskilling experience.
 
 
 This role will focus on enhancing backend performance and scalability, strengthening code quality and reliability, and leading architectural direction across teams. The software engineer will play a key role in improving system efficiency, reducing issues, and fostering alignment with frontend, mobile, and DevOps counterparts. Additionally, they will own and deliver impactful backend features that support major product goals and contribute to the platform&rsquo;s long-term growth.
 
 
 
 🏢 Location &amp; Work Mode:
 
 
 <ul>
 <li>
 Options: Turkiye or Greece
 </li>
 <li>
 Fully Remote - If only in Greece: When hiring in Greece, we&rsquo;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.
 </li>
 </ul>
 
 
 
 
 🍺
 
 The fellowship you&rsquo;ll be joining:
 
 
 
 The new joiner will be part of a lean software engineering team composed of three members: one Senior Backend Developer, one Mid-Level Frontend Developer, and one Mobile Developer. In this role, they will collaborate closely not only with their immediate teammates, but also with key stakeholders across the organization, including the Content Engineering team, Sales team, Infrastructure, and the broader Engineering team, all of whom play a critical role in supporting the product and its customers. This position will report directly to the Sr. Director of Engineering.
 
 
 
 
 
 
 ⚔️ Technology tools &amp; weapons you&rsquo;ll be using:
 
 
 <ul>
 <li>
 Django Framework (Python language)
 </li>
 <li>
 Docker
 </li>
 <li>
 Apache Kafka
 </li>
 <li>
 Redis
 </li>
 <li>
 Git
 </li>
 </ul>
 
 
 
 
 
 📚 Interesting resources you should check:
 
 
 <ul>
 <li>
 Take a look at LetsDefend Website
 </li>
 <li>
 Hack The Box + LetsDefend: Shaping the future of community-led cyber readiness
 </li>
 </ul>
 
 
 
 
 🚀
 
 The adventures that await you after becoming Senior Django Engineer:
 
 
 <ul>
 <li>
 Optimize backend performance by improving API responsiveness, refining database queries, and enhancing caching strategies.
 </li>
 <li>
 Design scalable backend architectures and influence long-term technical direction across multiple products and services.
 </li>
 <li>
 Implement high-quality, maintainable code with strong test coverage and adherence to best practices.
 </li>
 <li>
 Refactor legacy components into clean, modular, and future-ready services that accelerate development.
 </li>
 <li>
 Collaborate closely with frontend, mobile, DevOps, and product teams to ensure smooth execution of cross-functional projects.
 </li>
 <li>
 Lead technical discussions, produce clear design documents, and guide the team on architectural patterns.
 </li>
 <li>
 Troubleshoot production issues rapidly and improve system reliability through monitoring, logging, and error reduction.
 </li>
 <li>
 Deliver high-impact backend features that directly support product growth, user engagement, and business goals
 </li>
 </ul>
 
 
 
 
 
 🏆 Skills, knowledge, and experience points required to unlock the role of Senior Django Engineer:
 
 
 <ul>
 <li>
 Expert-level proficiency in Django &amp; Django REST Framework, including ORM optimization, class-based views, and advanced API design.
 </li>
 <li>
 Hands-on experience with asynchronous task processing, ideally Celery + Redis/RabbitMQ, and deep understanding of reliability patterns.
 </li>
 <li>
 Ability to design scalable backend architectures, including caching layers, service boundaries, and performance bottleneck prevention.
 </li>
 <li>
 Solid understanding of backend security practices, including authentication, authorization, rate-limiting, and secure data handling.
 </li>
 <li>
 Proven track record of owning and delivering complex backend features, including writing technical designs and mentoring other engineers.
 </li>
 <li>
 Good knowledge of English language (verbal and written)
 </li>
 </ul>
 
 
 Bonus points:
 
 
 <ul>
 <li>
 Experience with AWS or other cloud platforms
 </li>
 <li>
 Knowledge of Docker or containerization
 </li>
 <li>
 Exposure to event streaming technologies such as Apache Kafka
 </li>
 </ul>
 
 
 
 
 
 🕹️ What your adventure will have in store:
 
 
 <ul>
 <li>
 🎯You'll have the exhilarating opportunity to contribute to a product that is highly appreciated by users and the cybersecurity community at large.
 </li>
 <li>
 🎯 You'll experience a highly supportive and caring environment, fostering growth, flexibility, and autonomy.
 </li>
 <li>
 🎯 You'll embark on an exciting journey of continuous learning and problem-solving, leveling up as our organization grows.
 </li>
 <li>
 🎯 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!
 </li>
 </ul>
 
 
 
 
 
 💰The gems you&rsquo;ll be enjoying as a Senior Django Engineer:
 
 
 <ul>
 <li>
 25 annual leave days
 </li>
 <li>
 Paid paternity leave
 </li>
 <li>
 Dedicated budget for training and professional development, participation in conferences
 </li>
 <li>
 Full access to the Hack The Box lab offerings; so you can learn how to hack 😉
 </li>
 <li>
 State-of-the-art equipment (mac, iPhone, and mobile plan)
 </li>
 </ul>
 
 
 Our benefits package is designed to provide strong support to our team, but it may vary depending on location and type of employment (e.g., UK, Greece, or engagement through an Employer of Record).
 
 
 
 
 
 
 
 🗺️ The Quest of Becoming Senior Django Engineer:
 
 
 <ul>
 <li>
 Level 1: To complete level one&rsquo;s objective, submit your application.
 </li>
 <li>
 Level 2: Meet the Talent Acquisition team. Level&rsquo;s objective: highlight your past achievements, ambitions, and values.
 </li>
 <li>
 Level 3: Meet the hiring team. Level&rsquo;s objective: connect with the hiring team and share with them your achievements.
 </li>
 <li>
 Level 4: Meet the hiring team, once again, to explore your leadership mindset and values alignment with HTB.
 </li>
 <li>
 Level 5: Congratulations! Not many reach this level 💪. Level&rsquo;s objective: have a constructive, final conversation with senior leadership to explore the role and your future at HTB.
 </li>
 <li>
 Level 6: 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.
 </li>
 <li>
 Quest complete. Congratulations, you&rsquo;re officially one of us 🥳🎉🎇Your next quest: complete the onboarding.
 </li>
 </ul>
 
 
 Hack Your Career, Today. Join us in this epic adventure of cybersecurity at Hack The Box! 🚀🔒💻
 
 
 
 
 
 
 
 ABOUT HACK THE BOX
 
 
 
 Hack The Box is the leading cybersecurity readiness and upskilling platform, trusted by enterprises, government organizations, and MSSPs to build cyber resilience at scale. Through AI-enhanced intelligence, gamified labs, live-fire simulations, and the power of one of the world&rsquo;s largest cybersecurity communities, Hack The Box helps teams master offensive and defensive skills in real-world scenarios. Founded in 2017, Hack The Box has grown its global community of over 4 million members, helping organizations validate resilience, mitigate breach risk, and develop cyber talent. For more information, visit hackthebox.com
 
 
 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 &amp; Resources:
 
 
 <ul>
 <li>
 Get the most important updates on HTB&rsquo;s latest year!
 </li>
 <li>
 We&rsquo;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 three consecutive years (2023 - 2025).
 </li>
 <li>
 In addition, our Greek entity has been recognized among the Best Workplaces in Greece (4th, 2nd, 3rd) and Europe (7th, 10th, 73rd) during this period &mdash; a testament to our strong culture and commitment to creating an exceptional employee experience!
 </li>
 </ul>
 
 
 
 
 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 &ldquo;about us&rdquo; 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.
 
 
</div>

<div>
 
 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! 🚀🔒💻
 
 
 
 
 ✨The core mission of the Senior Django Engineer:
 
 
 
 
 We are on the lookout for our next backend engineer in LetsDefend team. Let's Defend is a cutting-edge cybersecurity training company dedicated to empowering blue-team professionals by simulating a real Security Operations Center (SOC). It has a community of over 320,000 members across 150+ countries fosters peer learning and collaboration.
 
 
 Hack The Box and LetsDefend join forces to create the world's largest collaborative cybersecurity platform with hands-on labs, SOC simulations, and a unified upskilling experience.
 
 
 This role will focus on enhancing backend performance and scalability, strengthening code quality and reliability, and leading architectural direction across teams. The software engineer will play a key role in improving system efficiency, reducing issues, and fostering alignment with frontend, mobile, and DevOps counterparts. Additionally, they will own and deliver impactful backend features that support major product goals and contribute to the platform's long-term growth.
 
 
 
 🏢 Location &amp; Work Mode:
 
 
 
 <ul>
 <li>
 Options: Turkiye or Greece
 </li>
 <li>
 Fully Remote - 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
 
 
 </li>
 </ul>
 
 🍺
 
 The fellowship you'll be joining:
 
 
 
 
 The new joiner will be part of a lean software engineering team composed of three members: one Senior Backend Developer, one Mid-Level Frontend Developer, and one Mobile Developer. In this role, they will collaborate closely not only with their immediate teammates, but also with key stakeholders across the organization, including the Content Engineering team, Sales team, Infrastructure, and the broader Engineering team, all of whom play a critical role in supporting the product and its customers. This position will report directly to the Sr. Director of Engineering.
 
 
 
 
 ⚔️ Technology tools &amp; weapons you'll be using:
 
 
 
 
 <ul>
 <li>
 Django Framework (Python language)
 </li>
 <li>
 Docker
 </li>
 <li>
 Apache Kafka
 </li>
 <li>
 Redis
 </li>
 <li>
 Git
 
 
 </li>
 </ul>
 
 
 📚 Interesting resources you should check:
 
 
 
 
 <ul>
 <li>
 Take a look at LetsDefend Website
 </li>
 <li>
 Hack The Box + LetsDefend: Shaping the future of community-led cyber readiness
 
 
 </li>
 </ul>
 
 🚀
 
 The adventures that await you after becoming Senior Django Engineer:
 
 
 
 
 <ul>
 <li>
 Optimize backend performance by improving API responsiveness, refining database queries, and enhancing caching strategies
 </li>
 <li>
 Design scalable backend architectures and influence long-term technical direction across multiple products and services
 </li>
 <li>
 Implement high-quality, maintainable code with strong test coverage and adherence to best practices
 </li>
 <li>
 Refactor legacy components into clean, modular, and future-ready services that accelerate development
 </li>
 <li>
 Collaborate closely with frontend, mobile, DevOps, and product teams to ensure smooth execution of cross-functional projects
 </li>
 <li>
 Lead technical discussions, produce clear design documents, and guide the team on architectural patterns
 </li>
 <li>
 Troubleshoot production issues rapidly and improve system reliability through monitoring, logging, and error reduction
 </li>
 <li>
 Deliver high-impact backend features that directly support product growth, user engagement, and business goals
 
 
 </li>
 </ul>
 
 
 🏆 Skills, knowledge, and experience points required to unlock the role of Senior Django Engineer:
 
 
 
 
 <ul>
 <li>
 Expert-level proficiency in Django &amp; Django REST Framework, including ORM optimization, class-based views, and advanced API design
 </li>
 <li>
 Hands-on experience with asynchronous task processing, ideally Celery + Redis/RabbitMQ, and deep understanding of reliability patterns
 </li>
 <li>
 Ability to design scalable backend architectures, including caching layers, service boundaries, and performance bottleneck prevention
 </li>
 <li>
 Solid understanding of backend security practices, including authentication, authorization, rate-limiting, and secure data handling
 </li>
 <li>
 Proven track record of owning and delivering complex backend features, including writing technical designs and mentoring other engineers
 </li>
 <li>
 Good knowledge of English language (verbal and written)
 
 
 </li>
 </ul>
 Bonus points:
 
 
 <ul>
 <li>
 Experience with AWS or other cloud platforms
 </li>
 <li>
 Knowledge of Docker or containerization
 </li>
 <li>
 Exposure to event streaming technologies such as Apache Kafka
 
 
 </li>
 </ul>
 
 🕹️ What your adventure will have in store:
 
 
 
 <ul>
 <li>
 🎯You'll have the exhilarating opportunity to contribute to a product that is highly appreciated by users and the cybersecurity community at large
 </li>
 <li>
 🎯 You'll experience a highly supportive and caring environment, fostering growth, flexibility, and autonomy
 </li>
 <li>
 🎯 You'll embark on an exciting journey of continuous learning and problem-solving, leveling up as our organization grows
 </li>
 <li>
 🎯 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!
 
 
 </li>
 </ul>
 
 💰The gems you'll be enjoying as a Senior Django Engineer:
 
 
 
 <ul>
 <li>
 25 annual leave days
 </li>
 <li>
 Paid paternity leave
 </li>
 <li>
 Dedicated budget for training and professional development, participation in conferences
 </li>
 <li>
 Full access to the Hack The Box lab offerings; so you can learn how to hack 😉
 </li>
 <li>
 State-of-the-art equipment (mac, iPhone, and mobile plan)
 
 
 </li>
 </ul>
 Our benefits package is designed to provide strong support to our team, but it may vary depending on location and type of employment (e.g., UK, Greece, or engagement through an Employer
 
 
 
 
 🗺️ The Quest of Becoming
 
 Senior Django Engineer:
 
 
 
 <ul>
 <li>
 Level 1: To complete level one's objective, submit your application.
 </li>
 <li>
 Level 2: Meet the Talent Acquisition team. Level's objective: highlight your past achievements, ambitions, and values
 </li>
 <li>
 Level 3: Meet the hiring team. Level's objective: connect with the hiring team and share with them your achievements.
 </li>
 <li>
 Level 4: Meet the hiring team, once again, to explore your leadership mindset and values alignment with HTB
 </li>
 <li>
 Level 5: Congratulations! Not many reach this level 💪. Level's objective: have a constructive, final conversation with senior leadership to explore the role and your future at HTB.
 </li>
 <li>
 Level 6: 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.
 </li>
 <li>
 Quest complete. Congratulations, you're officially one of us 🥳🎉🎇Your next quest: complete the onboarding
 
 
 
 </li>
 </ul>
 
 Hack Your Career, Today. Join us in this epic adventure of cybersecurity at Hack The Box! 🚀🔒💻
 
 
 
 
 
 About Hack The Box
 
 
 
 Hack The Box is the leading cybersecurity readiness and upskilling platform, trusted by enterprises, government organizations, and MSSPs to build cyber resilience at scale. Through AI-enhanced intelligence, gamified labs, live-fire simulations, and the power of one of the world's largest cybersecurity communities, Hack The Box helps teams master offensive and defensive skills in real-world scenarios. Founded in 2017, Hack The Box has grown its global community of over 4 million members, helping organizations validate resilience, mitigate breach risk, and develop cyber talent. For more information, visit hackthebox.com
 
 
 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 &amp; Resources:
 
 
 
 <ul>
 <li>
 Get the most important updates on HTB's latest year!
 </li>
 <li>
 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 three consecutive years (2023 - 2025).
 </li>
 <li>
 In addition, our Greek entity has been recognized among the Best Workplaces in Greece (4th, 2nd, 3rd) and Europe (7th, 10th, 73rd) during this period &mdash; a testament to our strong culture and commitment to creating an exceptional employee experience!
 
 
 </li>
 </ul>
 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.
 
</div>

İSTANBUL CARE SAĞLIK TURİZMİ

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FRONTEND DEVELOPER

Gizli

<div>
 
 
 INTRODUCTION
 
 
 
 We are seeking a
 
 Mid-Senior Backend Developer
 
 to join our
 
 Istanbul Maltepe Office
 
 and contribute to mission-critical backend systems in the
 
 defense industry
 
 . You will collaborate with frontend teams to build secure, scalable, and high-performance solutions using technologies like FastAPI, Docker, and MongoDB. In a
 
 dynamic, agile software development environment
 
 , you&rsquo;ll work on projects that demand precision, innovation, and adherence to strict security standards. If you thrive in a fast-paced setting and enjoy solving complex technical challenges in defense-grade systems, we want to hear from you.
 
 
 
 
 
 
 RESPONSIBILITIES
 
 
 <ul>
 <li>
 Design, develop, and maintain
 
 secure backend services
 
 using
 
 FastAPI
 
 (Python) and/or
 
 Go (Golang)
 
 for defense applications.
 </li>
 <li>
 Collaborate with
 
 frontend teams
 
 to integrate APIs, databases, and deployment pipelines.
 </li>
 <li>
 Implement and optimize
 
 SQL
 
 and
 
 NoSQL (MongoDB)
 
 solutions for mission-critical data storage.
 </li>
 <li>
 Build and maintain
 
 CI/CD pipelines
 
 using
 
 GitLab CI/CD
 
 for automated testing, deployment, and security compliance.
 </li>
 <li>
 Write
 
 unit/integration tests
 
 to ensure code reliability in a high-stakes environment.
 </li>
 <li>
 Containerize applications with
 
 Docker
 
 and manage deployments in secure infrastructure.
 </li>
 <li>
 Follow
 
 Git-based workflows
 
 (feature branches) in
 
 GitLab
 
 for collaborative, traceable development.
 </li>
 <li>
 Troubleshoot performance bottlenecks, debug issues, and enforce system scalability under strict security constraints.
 </li>
 </ul>
 
 
 
 
 
 REQUIREMENTS
 
 
 <ul>
 <li>
 
 3&ndash;5 years
 
 of backend development experience with
 
 FastAPI
 
 (Python) or similar frameworks (Flask, Django).
 </li>
 <li>
 Strong proficiency in
 
 SQL
 
 and
 
 NoSQL (MongoDB)
 
 .
 </li>
 <li>
 Hands-on experience with
 
 Docker
 
 for containerization and secure deployment.
 </li>
 <li>
 Familiarity with
 
 CI/CD pipeline
 
 automation tools (CI/CD, GitHub Actions, Gitlab CI/CD).
 </li>
 <li>
 Experience writing
 
 unit tests
 
 and ensuring code coverage for mission-critical systems.
 </li>
 <li>
 Professional
 
 English proficiency
 
 for clear communication in cross-functional teams.
 </li>
 <li>
 Ability to work independently and collaboratively in a
 
 fast-paced, agile environment
 
 .
 </li>
 <li>
 
 Familiarity with Linux systems
 
 and command-line tools (bash, shell, etc.) for development and deployment.
 </li>
 </ul>
 
 
 
 
 
 PREFERRED/PLUS IF YOU HAVE
 
 
 <ul>
 <li>
 Experience with
 
 Go (Golang)
 
 for backend development in secure systems.
 </li>
 <li>
 Familiarity with
 
 message queues
 
 (Kafka, RabbitMQ) or
 
 microservices architecture
 
 .
 </li>
 <li>
 Contributions to
 
 open-source projects
 
 or a portfolio of backend applications in security-sensitive domains.
 </li>
 <li>
 Experience with
 
 agile methodologies
 
 (Scrum, Kanban) and
 
 DevOps practices
 
 .
 </li>
 <li>
 Hands on experience with LLM frameworks, agentic pipelines and tools etc.
 </li>
 </ul>
 
 
 
 
 
 WHAT WE OFFER
 
 
 <ul>
 <li>
 
 Cutting-edge backend projects
 
 in the
 
 defense industry
 
 , with technologies like FastAPI, Docker, and MongoDB.
 </li>
 <li>
 A
 
 dynamic, agile-driven
 
 work culture with opportunities to take initiative and own high-impact tasks.
 </li>
 <li>
 
 Hybrid work model
 
 (2 days remote/week) and
 
 flexible working hours
 
 in a tech-forward environment.
 </li>
 <li>
 
 Competitive salary
 
 with
 
 performance-based bonuses
 
 and annual salary reviews.
 </li>
 <li>
 
 Private health insurance
 
 ,
 
 meal card
 
 , and
 
 transportation assistance
 
 .
 </li>
 <li>
 
 Team-building activities
 
 ,
 
 pre-work breakfast
 
 , and a
 
 positive, inclusive workplace
 
 .
 </li>
 <li>
 
 Career growth
 
 in a company committed to innovation, security, and engineering excellence.
 </li>
 </ul>
 
 
</div>

Back End Developer

Bitexen

<div>
 
 
 REQUIREMENTS:
 
 
 
 
 
 <ul>
 <li>
 Ideally having a degree in Computer Science and strong Engineering background,
 </li>
 <li>
 Minimum of 5 years software development experience and exposure to the web applications &amp; architectures,
 </li>
 <li>
 Excellent knowledge of Python. Having experience at developing back-end solutions,
 </li>
 <li>
 Experienced at MVC pattern, RESTful web services, and web frameworks; e.g. Django,
 </li>
 <li>
 Good at developing Node.js based asynchronous solutions,
 </li>
 <li>
 Working knowledge on synchronous programming by means of utilizing frameworks such as, Gevent, Tornado, Asyncio, Node.js, etc.
 </li>
 <li>
 Having experience on building multi-threaded and multi-process solutions,
 </li>
 <li>
 Good at working with RDBMS&rsquo;s (PostgreSQL) and No-SQL databases (MongoDB),
 </li>
 <li>
 Having prior interest on trading (@Fiat and/or Crypto currencies) is desired but not strictly required,
 </li>
 <li>
 Working knowledge on Blockchain technology and ecosystem,
 </li>
 <li>
 Strong verbal and written communication skills.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 
 
 
 JOB DESCRIPTION:
 
 
 
 
 
 <ul>
 <li>
 Develops new features and handles maintenance activities for our web-based exchange platform.
 </li>
 <li>
 Upholds a high standard of code quality via following best practices and DevOps automation. Writes clean, maintainable and testable code.
 </li>
 <li>
 Expected to turn business goals into tech solutions. Supports the entire application lifecycle (concept, design, test, release, and support).
 </li>
 <li>
 Recommends engineering solutions for both functional and non-functional requirements.
 </li>
 <li>
 Works with Agile development methodology and principles.
 </li>
 <li>
 Follows engineering approaches while developing software and apply design principles fits with the selected software architecture.
 </li>
 <li>
 Mentor others, does code reviews, and performs pair programming.
 </li>
 </ul>
 
 
</div>

Senior Backend Developer (Python/Django)

Robust Solutions

We&rsquo;re Hiring: Senior Design Engineer (ELV / LV)Are you passionate about shaping the future of large-scale infrastructure projects?We&rsquo;re looking for an experienced Senior Design Engineer to lead the design and development of major capital projects &mdash; from stadiums and metro systems to hospitals, trade fairs, and hotel complexes.As part of our dynamic team, you&rsquo;ll play a key role in:Leading and coordinating multidisciplinary design teamsDelivering world-class projects on time and within budgetDriving technical excellence and mentoring junior engineersCollaborating with clients and ensuring compliance with FIDIC standardsWhat we&rsquo;re looking for:Bachelor&rsquo;s degree in Electrical Engineering (ELV specialisation preferred)5+ years of experience in designing large capital projectsKnowledge of FIDIC Yellow/Red Book contractsStrong communication, leadership, and organizational skillsIf you&rsquo;re ready to take on exciting challenges and contribute to landmark projects across the region, we&rsquo;d love to hear from you!If interested please send us your Cv!#Hiring #EngineeringJobs #DesignEngineer #ElectricalEngineering #BelgradeJob Types: Full-time, Permanent

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