Senior PHP Engineer, Security

  • 44 Av. John F. Kennedy, 1855 Luxembourg
  • Full-time
  • Department: Development

Company Description

Unique, exciting, fun-loving, and fast-growing – Welcome to Docler Holding! Since launching in 2001, we have created products and experiences that entertain millions of people across the globe. We now serve more than 50 million users a day and are consistently among the top visited websites in the world with following in the millions!
Our top-ranking websites include:

  •, a market leader in the live streaming industry
  •, a platform that helps people make authentic connections
  •, a pioneer in the online esoteric space and the world’s biggest live esoteric site
  •, a link sharing tool that helps influencers connect with their fan
  •, an innovative, mobile -focused platform for content creator

Job Description

    • Work on various large scale security initiatives, architectures, designs, define strategy and vision, influence stakeholders and various peer groups. Defining configuration, architectural standards, including the business analysis and gathering of requirements
    • Gaining stakeholder acceptance, creating, test plans and documenting test results
    • Work on development of security architecture, designs and solutions
    • Work with security engineering, specifically Cryptography Engineering including but not limited to designing complex solutions with heavy focus on security and scalability
    • Work with multiple technologies: PHP, MySQL, MSSQL, MongoDB, Memcache, Redis, RabbitMQ, FMS, other distributed and in-house built systems
    • High availability systems
    • High traffic systems (50 million daily visitors)
    • 4000 servers distributed among 6 data centers worldwide
    • Take part in the research of new technologies and solutions
    • Modular ADR and MVC system development
    • OOP principles (Design patterns, SOLID, DRY, Yagni)
    • Cryptography heavy applications, encryption, key management, authentication
    • Clean code, covered by unit, integration and UI tests. (including TDD)
    • Long life-cycle application development (evolution of applications)
    • Design, develop and test software
    • Development methodology
    • Agile development process in Scrum
    • Continuous Integration and Deployment Systems for daily based deployments, Git and GitHub Workflow
    • Contribute to OpenSource projects


    • Proven software development experience (in PHP projects)
    • OOP skills and knowledge of design patterns
    • Clean Coding is your most important principle
    • Experience with Relational Databases and NoSQL technologies
    • Knowledge of Unit Testing and Test Driven Development
    • Passionate about self-improvement and web technologies
    • Upper-intermediate English knowledge (B2) or higher
    • Experience working with high-availability, high-performance, scalable systems
    • Experience with Live Streaming and Stream Encoding technologies
    • Familiarity with Extreme Programming (XP)

    Additional Information

    In return, you will get...

    • The opportunity to have huge and amazing influence, in what we know will be a career-defining role
    • The skills and experience you bring add to our collective strength. In addition to all the exciting things that lay in store for you, we offer an attractive compensation package along with a generous relocation package to help you move
    • Private health insurance because we take pride in ensuring that you remain healthy 
    • On top of the 26 days of annual leave, you get additional days the longer you work with us
    • And lastly, a fun, friendly and collaborative work culture where we guarantee there is never a dull day!


    Docler Group is an equal employment opportunity employer. We consider individuals for employment based on their skills, abilities and experience. We thrive to attract and hire a strong, talented and diverse workforce, prohibiting discrimination based on race, color, religious or political beliefs, age, nationality, physical, mental or developmental disability, gender, sexual orientation.

    DISCLAIMER: This job description is a summary of the primary duties and responsibilities of the job and position. It is not intended to be a comprehensive or all-inclusive listing of duties and responsibilities. Contents are subject to change at management's discretion. 

    NOTE: Docler Group does not accept unsolicited resumes from agencies. We consider any resume (CV) or biography received from an agency without prior approval from our Legal and Recruiting Department to be unsolicited, and such submissions will not be recognized for purposes of “ownership” of the candidate.


    We are in it for the long haul so your future is safe with us.

    We are always on the lookout for fresh talent to join our #doclersquad!

    Privacy Policy