Aleksandar J.

Fullstack Developer

Aleksandar is a Web Developer and Software Engineer with over 15 years of professional experience, specializing in Symfony and the development of scalable internal tools and business-critical systems.

He has a strong track record of enhancing existing platforms and building new solutions from the ground up, consistently focusing on clean architecture and practical problem-solving.

Having collaborated with Proxify clients, Aleksandar has delivered reliable, high-quality results across diverse projects. His technical expertise is complemented by a natural curiosity and passion for continuous learning, often exploring scientific and technical challenges beyond his core work.

A collaborative and approachable professional, Aleksandar values open feedback and knowledge sharing. His supportive mindset and team-oriented attitude make him a dependable and positive contributor to any development team.

Main expertise

  • PHP
    PHP 15 years
  • REST API
    REST API 12 years
  • Python
    Python 7 years

Other skills

  • Jira
    Jira 7 years
  • Agile
    Agile 7 years
  • Scrum
    Scrum 7 years
Aleksandar

Aleksandar J.

Poland

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Selected experience

Employment

  • Backend developer

    PI Electronique - 6 months

    • Upgraded existing code by implementing new, more secure methods for user registration and authentication.
    • Adjusted and improved user management functionalities within the custom CRM system.

    Technologies:

    • Technologies:
    • PHP PHP
    • Symfony Symfony
    • Docker Docker
    • API
    • OAuth2 OAuth2

  • Web development teacher

    Neue fische - 2 months

    • Taught students the fundamentals of modern web development with a focus on frontend technologies.
    • Delivered lectures, assisted students in solving practical tasks, and provided ongoing guidance and mentorship.
    • Covered topics including Git, HTML, CSS, JavaScript, React.js, Next.js, and MongoDB as part of the program curriculum.

  • Mentor

    Codementor - 5 years 7 months

    • Provided immediate assistance and mentoring to individuals encountering web development issues, whether they were stuck on a problem or trying to grasp a new concept.
    • Responded promptly to requests for help, prioritizing urgent issues to ensure timely resolution.
    • Offered guidance and support to students navigating complex web development concepts, fostering their understanding and mastery of the subject matter.
    • Utilized effective communication skills to explain technical concepts clearly and understandably, tailoring explanations to the individual’s level of expertise.
    • Demonstrated patience and empathy while assisting individuals, creating a supportive environment conducive to learning and problem-solving.
    • Shared best practices, tips, and resources to empower individuals to independently tackle future web development challenges.
    • Remained available and accessible for ongoing assistance, building rapport and trust within the web development community.

    Technologies:

    • Technologies:
    • PHP PHP
    • Symfony Symfony
    • Laravel Laravel
    • Docker Docker
    • CodeIgniter CodeIgniter
    • Zend Zend
    • Doctrine ORM Doctrine ORM
    • Joomla Joomla
    • LAMP LAMP
    • API
    • SASS SASS
    • Apache HTTP Server Apache HTTP Server
    • Arduino Arduino
    • Jest Jest

  • Software Engineer

    Cisco Systems Inc. - 7 years 8 months

    • Developed and maintained internal websites to support various business needs.
    • Created custom internal desktop tools using Python to streamline processes and enhance productivity.
    • Managed and maintained LAMP stack servers to ensure the smooth functioning of web-based applications.
    • Developed information-sharing solutions to facilitate seamless communication and collaboration among team members.
    • Troubleshot and resolved issues related to internal websites, desktop tools, and server infrastructure.
    • Stayed updated with emerging technologies and trends in web development to continuously improve internal systems and processes.

    Technologies:

    • Technologies:
    • PHP PHP
    • Symfony Symfony
    • Laravel Laravel
    • Docker Docker
    • Doctrine ORM Doctrine ORM
    • Joomla Joomla
    • LAMP LAMP
    • API
    • SASS SASS
    • Apache HTTP Server Apache HTTP Server

Education

  • Standalone courseZend Certified PHP Engineer

    RogueWave · 2017 - 2017

  • BSc.IT and Computer Science

    „Singidunum” University · 2010 - 2015

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