The Senior Backend Engineer will develop and support microservices related to billing and subscription management, focusing on performance, reliability, and scalability. This role involves developing a SaaS platform based on PHP services and integrating the services with payment gateways and payment orchestrators.

• Build and maintain microservices for subscription lifecycles, billing retries, and payment handling.
• Work on APIs for managing subscriptions, invoicing, and payment gateways.
• Optimize billing systems for performance and scalability, ensuring they can handle large volumes of transactions.
• Collaborate with the analytics team to implement accurate billing cycles and manage financial reporting.
• Ensure all services adhere to secure communication standards and manage interactions with external orchestrators.

• 5+ years of experience with PHP in backend development.
• 2+ years of experience with Go or similar language.
• 2+ years of experience working with billing systems, including subscription management, payment processing, and handling chargebacks.
• Familiarity with modern PHP frameworks (Laravel, Symfony, etc.) and best practices for building scalable microservices in a cloud-native environment.
• Familiarity with k8s, Victoria Logs, Docker , PostgreSQL, Grafana and Prometheus, particularly for monitoring billing services.
• Experience with SQL and NoSQL databases used in billing systems.
• Experience with RESTful APIs, gRPC, and message queues used for financial systems.
• Nice to have: Experience with RoadRunner and Temporal.

• A supportive atmosphere — we’re all for creativity and providing opportunities for self-fulfillment.
• Working on inspiring products in a team of supportive professionals.
• A competitive salary package based on your unique expertise, skillset, and impact on the product.
• Reimbursement of professional courses and trainings.
• In-office, and hybrid/remote work opportunities.
• Flexible working hours.
• Professional equipment and access to the necessary programs.
• Paid vacations, sick days, and other benefits.
• Medical insurance.
• Free lunches in the office.
• A variety of corporate events and team-building activities.