Real job — pulled straight from holycodedoo’s careers page · Verified May 24, 2026 · No reposts.
Job description
holycodedoo is hiring a Senior Backend Engineer — a full-time, based in Belgrade role. Apply directly on holycodedoo's careers page below.
Senior Backend Engineer (PHP / Symfony) - Room Estate team
Location: Belgrade, Novi Sad, Nis, Serbia, Serbia
We are looking for a Senior Backend (PHP) Engineer to join one of our long-term partners, Room Estate. The role is focused on developing a modern Symfony backend service that will work alongside an existing Drupal-based system, with a strong long-term focus on scalable architecture and gradual system modernization.
You will work closely with the mobile developer and have strong ownership over backend architecture, API design, and technical decisions.
What You’ll Do
- Design and develop REST APIs using PHP 8+ and Symfony
- Build scalable backend services integrated with existing Drupal and MySQL systems
- Work on cloud-native and modular architecture solutions
- Design database structures, optimize queries, and improve system performance
- Collaborate with the Flutter developer on API contracts and integrations
- Contribute to architectural decisions and long-term system evolution
- Write clean, maintainable, and well-tested code
- Participate in code reviews and technical improvements
Requirements
- Strong experience with PHP and Symfony in production environments
- Experience building REST APIs and backend services from scratch
- Excellent understanding of MySQL and database design
- Experience with testing (PHPUnit, integration/unit testing)
- Solid understanding of software architecture and clean code principles
- Experience with Git workflows and code reviews
- Ability to work independently and take ownership
Nice to Have
- Drupal experience
- AWS knowledge
- Docker / DDEV experience
- Experience with shared-database or microservice architectures
- Experience building mobile-focused APIs
What We Value
- Ownership and proactive mindset
- Strong communication and transparency
- Pragmatic problem solving
- Willingness to suggest improvements and drive technical decisions
- Ability to work independently in a fast-moving environment
Why you'll love working here:
- Private health insurance
- Flexible work model – hybrid or remote
- Equipment of your choice (laptop, monitor, accessories)
- High-growth company with innovative products
- Supportive, international team
- Budget for professional development (courses, books, conferences)
- English and German language lessons during working hours
- Nice office in Belgrade with a stocked kitchen and game area
- Opportunity to learn, grow, and make a real impact
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Frequently asked questions
What skills are required for Senior Backend Engineer at holycodedoo?
The required skills for Senior Backend Engineer at holycodedoo include: PHP, Symfony, REST, Drupal, MySQL, Git, AWS, Docker.
What is the seniority level for Senior Backend Engineer at holycodedoo?
Senior Backend Engineer at holycodedoo is a Senior level position.
How do I apply for Senior Backend Engineer at holycodedoo?
You can view the full description and apply for Senior Backend Engineer at holycodedoo on EchoJobs: https://echojobs.io/job/holycodedoo-senior-backend-engineer-php-symfony-room-estate-team-ib5la.