Backend DevelopmentDevelop and maintain backend services using PHP.Work with a high-load production system (~100k DAU).Extend and support a monolithic backend architecture, improving stability and scalability.
Architecture & APIs
Design, implement, and maintain APIs and internal service interactions.
Work with API contracts based on JSON Schema.
Use jRPC for internal communication between system components.
Infrastructure & Data
Work with MongoDB, Redis, AWS, and Centrifugo.
Optimize data storage, caching strategies, and background processes.
Ensure system reliability under real production load.
Performance & Monitoring
Analyze system performance using Grafana and other monitoring tools.
Identify bottlenecks, degradation points, and inefficiencies.
Optimize queries, caching layers, and heavy backend flows.
Required Qualifications
Strong commercial experience with PHP backend development (5+ years).
Experience in GameDev or other high-load backend systems.
Solid understanding of OOP and software design principles.
Hands-on experience with MongoDB and Redis.
Experience working with AWS.