About the Position

We are looking for a Backend Developer to join our dynamic team at Red Tiger, a part of the Evolution ecosystem based in Sofia, Bulgaria. As a Backend Developer, you will contribute to the development and maintenance of our high-performance Online Gambling Platform, supporting casino games and their integration with online casino operators worldwide.

Responsibilities

Write clean, maintainable, and well-documented code adhering to established team standards and guidelines.
Assist in developing, maintaining, and optimizing RESTful API services under the guidance of senior team members.
Participate actively in the team’s code review process, learning from peer feedback and reviewing code to improve quality.
Collaborate closely with QA Engineers to reproduce, troubleshoot, and fix software defects.
Apply core software engineering principles in daily development tasks.
Engage proactively in team discussions, training opportunities, and continuous learning to expand technical skills.

Requirements

Practical experience or strong foundational knowledge in PHP web development.
Basic understanding of JavaScript (Node.js or browser-based JS).
Working knowledge of relational databases, specifically MySQL or MariaDB (queries, basic schema design).
Foundational understanding of Docker for running and navigating containerized local environments.
Basic understanding of RESTful API concepts, HTTP methods, and web architecture.
Familiarity with Version Control Systems, specifically Git (branching, commits, pull/merge requests).
Willingness and openness to work with plain/vanilla PHP when required, as well as frameworks.
Strong problem-solving aptitude, eagerness to learn, and strong team-oriented communication skills.
Fluency in English is a must.

Nice to Have

Understanding of fundamental software design principles.
Hands-on experience or coursework involving Node.js.
Familiarity with unit and integration testing tools (e.g., PHPUnit, Codeception).
Basic understanding of web servers such as Nginx or Apache.
Knowledge of basic CI/CD concepts or automated deployment tools.

We Offer

Environment tailored to allow you to realize your full potential.
Challenging work in a dynamic international team.
Company funded training.
Flexibility on working hours.
Multisport/Coolfit card.
Additional health insurance.

About the Company

We’re Red Tiger, a dynamic and self-contained team within the vast Evolution ecosystem, thriving with 200 talented professionals based in Sofia. Our expertise spans from product inception to final development, covering product, art, development, and more. Proudly 100% made in Bulgaria, we take immense pride in our achievements, adaptability, and the high quality of our games.

Tech Stack & Tools

Primary Programming Languages: PHP (7.4+), JavaScript / Node.js (21+)
Database Management: MySQL / MariaDB (10.4+)
Containerization & Infrastructure: Docker
Architecture & Protocols: REST APIs, JSON
Version Control & Collaboration: Git / GitLab

Backend Developer

Job description