
Real job — pulled straight from Reward Gateway’s careers page · Verified July 24, 2026 · No reposts.
Job description
Reward Gateway is hiring a Senior Backend Engineer — a full-time, based in Plovdiv role. Apply directly on Reward Gateway's careers page below.
Senior Backend Engineer (PHP)
Department: Engineering
Employment Type: Full Time
Location: Plovdiv, Plovdiv, Sofia/Plovdiv, Hybrid
Location & Contract Type: This is a hybrid role that would require presence in our Sofia or Plovdiv office at least twice per week, as agreed.
What You’ll be Doing:
- Interpret, define, and develop software solutions based on written requirements and technical specifications.
- Identify opportunities for improvement in existing products and implement enhancements across the platform.
- Troubleshoot, test, and maintain core applications and databases to ensure performance, reliability, and scalability.
- Collaborate with QA to define acceptance criteria and assist with debugging and issue resolution.
- Contribute to the creation and upkeep of comprehensive technical documentation.
- Write clean, maintainable, and well-structured code that adheres to established coding standards and best practices.
- Work effectively within globally distributed, cross-functional teams.
- Participate in mentoring, coaching, and knowledge-sharing initiatives to support team development.
Experience and Skills You Need in this Role:
- Proven experience in backend web application development, with strong proficiency in PHP 8+ and MySQL.
- Solid understanding of OOP principles, SOLID, and modern software engineering best practices.
- Proven experience applying design patterns to build maintainable and scalable solutions.
- Hands-on experience with Unit and Integration testing (e.g., PHPUnit, Pest).
- Strong working knowledge of SQL, RESTful APIs, and GraphQL.
- Ability to leverage AI‑assisted development tools to improve productivity, code quality, and documentation.
- Excellent English communication skills and the ability to collaborate effectively within cross-functional, globally distributed teams.
- Comfortable working in environments that follow strong Agile practices, including iterative development, continuous improvement, and close collaboration with product
The interview process:
- Screening interview with Talent Acquisition Partner
- First Stage Interview with Engineering Lead
- Final Stage video interview of 75 minutes that will consist of 3 stages. This includes:
- 50 minutes to discuss your experience and technical abilities
- 15 minutes to review and discuss a coding exercise
- 10 minutes to ask questions you may have
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Frequently asked questions
What skills are required for Senior Backend Engineer at Reward Gateway?
The required skills for Senior Backend Engineer at Reward Gateway include: PHP, MySQL, SQL, REST, GraphQL, Agile.
What is the seniority level for Senior Backend Engineer at Reward Gateway?
Senior Backend Engineer at Reward Gateway is a Senior level position.
How do I apply for Senior Backend Engineer at Reward Gateway?
You can view the full description and apply for Senior Backend Engineer at Reward Gateway on EchoJobs: https://echojobs.io/job/reward-gateway-senior-backend-engineer-php-engineering-92a5g.