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Overview
Join Playkot as a Senior Backend Developer (PHP) to develop and maintain high-load backend services and APIs in a flexible work environment. Playkot is a stable international company focused on game development.
Backend Development
- •Develop 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.
What We Offer
- •Competitive salary, reviewed every 6 months based on market trends and your performance.
- •Flexible work setup: whether you prefer coming to the office, working from home, or a hybrid of the two, the choice is yours.
- •Flexible benefits: an annual $1000 to spend on perks, including health insurance, sports, therapy, education and language classes.
- •Full pay during sick leaves and personal leaves, in addition to 20 working days of vacation annually.
- •Open statistics, including earnings from our games.
- •An epic team ready to share their experience and knowledge.
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.
- •Ability to analyze metrics and work with monitoring tools such as Grafana.
- •Understanding of API contracts and JSON Schema.
- •Experience with jRPC or similar RPC/API approaches.
- •Strong understanding of high-load system challenges.
- •Comfortable working with monolithic architectures and evolving them without disruptive rewrites.
Nice to Have
- •Experience with real-time systems like Centrifugo.
- •Experience supporting live game servers, live-ops, and event-driven logic.
- •Experience profiling and optimizing PHP applications.
- •Understanding of CI/CD, observability, and production workflows.
- •Experience with evolutionary development of legacy systems.
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