Senior Backend Engineer (PHP / Symfony) - Room Estate team
Holycode
Belgrade, Novi Sad, Nis, Serbia1 month ago
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Benefits
Remote WorkHealth Insurance
Job Type
full time
Description
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
This job is found at InterviewStack.io
Skills
phpapi designrest apismysqlflutterunit testingsoftware architecturegitawsdockerapiscode reviewbackend architecture
About Holycode
Holycode is a software development company employing over 400 developers for 160+ different clients, ranging from early-stage startups to proven companies. They turn ideas into high-quality software solutions using advanced processes and technologies.
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