PHP Backend Developer

Location
Serbia
Desired Salary
Unspecified
Work preference
Full Time, Contract, Part Time
Joined
3 Jul 2026
Field / Industry
Software Engineering
Status: Actively looking
Relocation: No
Notice Period: Immediate

This user has not passed any tests yet

English - Serbian -

About Me

I am a PHP Backend Developer with solid experience building web applications and websites, while also being comfortable with front-end development. I have worked across multiple PHP ecosystems, including Laravel, Symfony, Zend Framework, and vanilla PHP, and I am aiming to grow further into a full-stack role.

I have contributed to projects involving security improvements, API integrations, SSO implementation with SAML, and REST API development. I have also worked on web scraping, ETL systems, and AI-powered content generation features using OpenAI prompts API, which helped me expand my experience with automation and dynamic application logic.

In my recent work, I helped maintain and improve large-scale applications with complex business rules, many database tables, and heavy external API usage. I have handled upgrades, migrations, bug fixing, feature development, and rebuilding systems when major framework version jumps required a fresh implementation.

Earlier in my career, I completed an internship and then continued in full-time backend development, where I learned Laravel in depth, built CRUD applications, and worked on features for applications related to finance and commerce. I also gained experience with document generation and manipulation, including PDF, Excel, and Word processing.

I enjoy working both independently and as part of a team, and I adapt well to deadlines and changing project requirements. I have also contributed as a volunteer developer, where I supported feature development, bug fixing, and UI improvements on an internal platform.

I speak Serbian and English fluently, and I am based in Niš, Serbia. I am motivated by solving technical problems, improving application quality, and building reliable backend systems that support real business needs.

Skills

JavaScriptDockerGitMySQLPHPTeamworkPostmanjQueryGoogle Tag ManagerLaravelBootstrapMariaDBAJAX

Education

University of Niš, Faculty of Science and Mathematics
Oct 2015 - Jan 2021

Bachelor's Degree in Computer Science

Experience

PHP Backend Developer @ Codeslingers
Feb 2024 - Present

Worked on security improvements, upgraded libraries and PHP versions, fixed vulnerabilities such as GET parameter issues, CSRF issues, and form action hijacking, implemented SSO using SAML, developed and tested REST APIs, built custom API webhook endpoints, worked on ETL tables and a monitoring UI, and helped migrate a large Symfony application from 3.4 to 7.3.

PHP Backend Developer @ Stankovic Soft
Feb 2022 - Oct 2023

Worked on a large-scale application with 200+ tables and a large user base, maintained smaller applications, moved from document-generation tasks to bug fixing and feature development, enhanced PDF/Excel/Word document manipulation, and performed library upgrades including PHPExcel to Spreadsheet.

PHP Backend Developer @ INGSOFTWARE
Dec 2018 - Feb 2020

Completed an internship focused on Laravel and Docker, then continued full-time developing new features and fixing bugs for Laravel applications in a backend and frontend team, integrated Google Tag Manager, took over a legacy vanilla PHP project, and volunteered on an internal Laravel + Filament platform for Kreni Promeni.

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