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Andrej K. Software DeveloperAK

Andrej K.

Software Developer
  • Suggested rate
    £127 / day
  • Experience3-7 years
  • Response rate100%
  • Response time1 hour
The project will begin once you accept Andrej's quote.
Location and workplace preferences
Location
Belgrade, Serbia
Remote only
Primarily works remotely
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Skill set
Andrej in a few words
Software Developer with extensive experience in designing and developing scalable web applications. Proficient in a wide range of technologies and frameworks, with a proven ability to adapt quickly to new tools and environments.
Experience
  • Vicale ICT, Remote
    Freelance Java Developer
    November 2024 - Today (7 months)
    • Worked on building a backend system to manage user data and handle real-time alarm events for a telecare platform.
    • Developed services for processing incoming and outgoing calls within the app, fully integrated with an Asterisk VoIP server.
    • Built and fne-tuned RESTful APIs to ensure smooth, secure, and responsive communication between frontend and backend.
    • Handled confguration and ongoing support for the Asterisk server to maintain reliable voice communication.
    • Tech stack: Java, Spring Boot, PostgreSQL, Liquibase, ActiveMQ, Asterisk
  • Renhead
    Backend Developer
    March 2023 - January 2025 (1 year and 10 months)
    • Worked as part of an 8-member development team, following the Scrum framework to ensure smooth collaboration and timely delivery.
    • Focused on building new features and refactoring legacy code to boost performance, readability, and long-term maintainability.
    • Wrote thorough PHP unit tests for both new features and bug fxes, maintaining high code quality through test-driven development (TDD).
    • Actively participated in technical planning and architecture discussions to ensure new features were scalable and aligned with business needs.
    • Tech stack: Laravel, PostgreSQL, Docker, Redis, PHPStan, PHPUnit, AWS, TDD, Horizon
  • Ink Innovation
    Backend Developer
    April 2022 - March 2023 (11 months)
    Belgrade, Serbia
    • Working on microservice applications embracing industry standards and best practices
    • Participating in agile development following Scrum/Kanban
    • Developing new features, improving code and resolving bugs for Departure Control System in aviation industry
    • Working closely with 20 team members from different countries
    • Onboarding and mentoring new team members
    • Tech Stack: PHP, Laravel, Symphony, MySQL, JavaScript, AJAX, Redis
Recommendations
Education
  • Information and Communication Technologies of Vocational Studies,
    Belgrade Economical High School
    Information and Communication Technologies of Vocational Studies,