Backend Developer

Cypher Games; Fatih; On-site; TRY 120,000 - 165,000; Full time

Job summary

Cypher Games is looking for a Backend Developer in Turkey to design and maintain scalable backend systems for mobile games. With a focus on C#, ASP.NET Core, and SignalR, you will optimize live operations and collaborate closely with various teams to create seamless experiences. Ideal candidates have 3+ years of backend development experience and a passion for gaming. Join us to help build systems that make play possible!

Qualifications

• 3+ years of backend development experience.
• Strong understanding of C#, ASP.NET Core, and SignalR for real-time systems.
• Experience with MongoDB / Redis / AWS or equivalent technologies.
• Experience with asynchronous programming and handling high-concurrency scenarios.
• Solid grasp of OOP, design patterns, and software architecture.
• Strong problem-solving skills and attention to performance optimization.
• Eagerness to learn and grow in a collaborative environment.
• Passion for games.

Responsibilities

• Design, build, and maintain scalable backend systems for mobile games.
• Develop and optimize core services that power live game operations.
• Write clean, testable, and maintainable code while applying design principles.
• Collaborate with product, game, and art teams to enhance player experiences.
• Monitor live game services for performance and stability.
• Contribute ideas to improve tools and engineering culture.

Skills

C#

ASP.NET Core

SignalR

MongoDB

Redis

AWS

Asynchronous programming

OOP

Design patterns

Problem-solving

Tools

Docker

Terraform

Job description

Overview

At Cypher Games, our backend systems are the invisible engine that powers millions of joyful player moments. As a Backend Developer, you’ll build the scalable architectures and reliable services that bring our games to life. From designing core systems to optimizing live operations, your work will ensure smooth, seamless, and unforgettable experiences for players around the world.

If you love crafting robust code, enjoy tackling complex technical challenges, and want to shape the foundation of games played by millions, we’d be thrilled to have you join our team.

Responsibilities

• Design, build, and maintain scalable backend systems for our mobile games.
• Develop and optimize core services that power live game operations.
• Write clean, testable, and maintainable code while applying OOP and design pattern principles.
• Collaborate closely with product, game, and art teams to create seamless player experiences.
• Monitor live game services and ensure performance, stability, and scalability.
• Contribute ideas to improve our tools, architecture, and engineering culture.

Requirements

• 3+ years of backend development experience.
• Strong understanding of C#, ASP.NET Core, and SignalR for real-time systems.
• Experience with MongoDB / Redis / AWS or equivalent technologies.
• Experience with asynchronous programming and handling high-concurrency scenarios.
• Solid grasp of OOP, design patterns, and software architecture.
• Strong problem-solving skills and attention to performance optimization.
• Eagerness to learn, share, and grow in a collaborative environment.
• Passion for games; you love building systems that make play possible!

Nice to Have

• Experience in mobile game backend systems.
• Knowledge of concurrency, distributed systems, or multiplayer architecture.
• Experience with additional programming languages (e.g., Go, Python, Java). Familiarity with Docker, Terraform, or infrastructure as code.
• Experience with observability tools (OpenTelemetry, Prometheus, Jaeger).
• Experience with AI-assisted development and a critical eye for code quality.