Description

Our client, a growing mobile‑gaming studio is looking for a Senior .NET Backend Developer to join their team and help build a new Puzzle RPG – part of a larger, high‑ambition project based on a major IP. You’ll have a central role in shaping backend architecture, ensuring performance and reliability, and enabling the team to deliver a high‑quality mobile experience.

Responsibilities

• Architect, develop and maintain backend services using C# for a mobile RPG.
• Work on network programming and build systems designed for high performance, low latency and high availability.
• Use and manage infrastructure including databases (SQL / NoSQL), caching (e.g. Redis), and cloud services (AWS).
• Containerize and orchestrate services using Docker and Kubernetes (or similar technologies).
• Collaborate closely with other developers, designers and product stakeholders.
• Communicate technical concepts clearly to both technical and non‑technical team members; participate in cross-functional planning and decision making.

Requirements

• Strong proficiency in C#.
• 7+ years of professional software development experience.
• Solid experience with network programming and backend services design.
• Deep knowledge of multithreading/concurrency, performance tuning, and backend scalability.
• Hands‑on experience with cloud infrastructure (AWS), Docker, Kubernetes.
• Familiarity with messaging/messaging infrastructure (e.g. Kafka or equivalent), SQL and NoSQL databases, caching solutions (e.g. Redis).
• Excellent communication and interpersonal skills – able to work with both technical and non-technical colleagues.
• Fluency in Polish and English.
• Strong soft‑skills.

WHAT THEY OFFER:

• Work environment: remote, on-site, or a hybrid model.
• B2B contract or employment contract
• Medical Insurance.

ABOUT THE COMPANY
The company was founded by veterans of the gaming industry, with a proven track record of launching and managing top-grossing mid-core mobile & PC games. Their mission is to redefine the way puzzle RPGs are developed and are currently working on a new IP based on one of the world’s most notable and successful franchises of all time.

Size of the studio: 130 people
Work mode: on-site, hybrid or remote
Office locations: Poland (Krakow) and Israel (Tel Aviv)
Platform: Mobile
Engine: Unity3D