Senior .NET Backend Architect – Microservices & Cloud

Aristocrat Gaming; Kraków; On-site; PLN 180,000 - 260,000; Full time

Job summary

Aristocrat Gaming in Kraków is seeking a Senior .NET Developer to join a multi-functional agile team building the core architecture of our next-generation platform. You will design and develop scalable microservices for a cloud-ready system that runs across Windows, Linux, and macOS environments.

You’ll work with .NET Core, Docker, Kubernetes, Kafka, Redis, and Ably, helping evolve toward a distributed microservices architecture while practicing TDD, code reviews, and strong collaboration with

Qualifications

• 6+ years of backend development with .NET/.NET Core.
• Experience building large-scale web-based systems.
• Strong knowledge of microservices architecture.
• Relational databases experience.
• Proficient in English communication.
• Familiarity with AI agents/workflows is a plus.

Responsibilities

• Design scalable microservices from the ground up.
• Contribute to a cloud-native, platform-independent system.
• Integrate legacy components into modern architecture.
• Reverse-engineer and migrate monolithic parts to microservices.
• Write clean, testable code with emphasis on quality (TDD).
• Participate in code reviews and establish engineering guidelines.
• Collaborate with product, QA and DevOps teams.

Skills

NET/.NET Core

Microservices architecture

Relational databases

Web-based systems

English communication

Tools

Docker

Kubernetes

Kafka

Redis

Ably

Job description

Aristocrat Gaming in Kraków is seeking a Senior .NET Developer to join a multi-functional agile team building the core architecture of our next-generation platform. You will design and develop scalable microservices for a cloud-ready system that runs across Windows, Linux, and macOS environments.

You’ll work with .NET Core, Docker, Kubernetes, Kafka, Redis, and Ably, helping evolve toward a distributed microservices architecture while practicing TDD, code reviews, and strong collaboration with