Senior Backend Developer

Job Description

Position Overview

As a Senior Backend Developer, you will be responsible for designing, developing, and maintaining scalable backend systems and services. You will work on high-performance, distributed architectures supporting real-time applications. Experience with game servers, Remote Gaming Servers (RGS), or slot game engines will be considered a strong advantage. 

You will contribute to building robust backend platforms that handle real-time data processing, player/session management, transactional systems, and third-party integrations, while ensuring scalability, reliability, and performance. 

Key Responsibilities 

Backend Architecture & System Design 

• Design and implement scalable, secure, and high-performance backend architectures. 
• Build microservices and event-driven systems using Node.js. 
• Ensure systems are fault-tolerant, observable, and maintainable. 

Backend Development 

• Develop and maintain backend services using Node.js (Express/NestJS/Hapi). 
• Implement business logic for real-time systems, transactional workflows, and state management. 
• Write clean, testable, and well-documented code. 

Game Server / RGS (Good to Have) 

• Contribute to the development or maintenance of Remote Gaming Servers (RGS) or similar real-time engines. 
• Handle player/session lifecycle, game state management, and event processing. 
• Implement logic for probabilistic systems, reward mechanisms, and configurable rules (if applicable). 

Real-Time Systems & Messaging 

• Build and maintain event-driven pipelines using Apache Kafka / similar messaging systems. 
• Implement real-time features such as event tracking, notifications, and asynchronous processing. 

API Development & Integrations 

• Design and develop RESTful APIs for internal and external systems. 
• Integrate third-party services such as payment gateways, analytics tools, authentication providers, and external platforms. 
• Ensure API security, versioning, and scalability. 

Database Design & Management 

• Design and optimize schemas in PostgreSQL (or similar SQL databases). 
• Handle high-volume transactional data, logging, and performance tuning. 
• Implement caching strategies (e.g., Redis) where necessary. 

Cloud & Infrastructure 

• Deploy and manage backend services on AWS (or similar cloud platforms). 
• Work with Docker for containerization and environment consistency. 
• Collaborate on infrastructure setup, scaling strategies, and cost optimization. 

Performance Optimization 

• Identify and resolve bottlenecks in backend systems. 
• Optimize latency, throughput, and system resource usage. 

Testing & Deployment 

• Write unit, integration, and load tests. 
• Contribute to CI/CD pipelines for automated testing and deployment. 
• Ensure smooth releases with minimal downtime. 

Monitoring & Production Support 

• Monitor live systems, logs, and metrics. 
• Troubleshoot production issues and ensure high availability. 

Code Quality & Collaboration 

• Participate in code reviews and maintain coding standards. 
• Collaborate with cross-functional teams including frontend, DevOps, and product. 
• Mentor junior developers where applicable. 

Required Qualifications 

• 4+ years of backend development experience. 
• Experience building scalable, distributed systems in production. 
• Strong proficiency in Node.js and backend frameworks. 
• Solid experience with PostgreSQL / relational databases. 
• Experience with Docker for containerization. 
• Hands-on experience with AWS (or other cloud platforms). 
• Strong understanding of RESTful API design. 
• Familiarity with event-driven architecture and messaging systems (Kafka, RabbitMQ, etc.). 
• Strong understanding of: Asynchronous programming, System design & scalability, Data structures & algorithms and Concurrency and distributed systems 

Preferred Qualifications (Nice to Have) 

• Experience with game servers, RGS, or real-time engines. 
• Familiarity with probability-based systems (RNG, simulations, etc.). 
• Experience with Redis or caching layers. 
• Knowledge of Kubernetes or container orchestration. 
• Experience with WebSockets / real-time communication. 
• Understanding of security best practices (OAuth, JWT, rate limiting). 

What do we offer

• Competitive Salaries and Regular salary reviews  
• 5 working days (Monday- Friday) - 9 hours a day 
• Breakfast and Lunch as well as tea and coffee, are provided 
• Paid Paternity, Maternity, Marriage Leave, Public Holidays, Sick and Casual Leave 
• Festival Bonus after completion of Probation 
• Medical and Accidental Insurance  
• Amazing Company Mission and Culture 
• Growth Opportunities 
• Flexible working environment 
• Interesting projects 
• Space for creativity 
• A motivative, innovative and productive environment to work in 
• Library books accessible  
• Weekly and monthly extracurricular activities: Futsal, Hiking, Recreational activities and many more   
• Team Building Activities and Knowledge Sharing Session  
• Office workstation with dual monitor and provide the latest tools, technologies, and equipment needed at work