Senior .Net Developer (Contractor)

About Stepico

Stepico is a game development company with a passion for creating immersive gaming experiences. We work with major global partners and develop our own titles. We are currently looking for a Senior .NET Developer to join the core engineering team for our flagship strategy project.

About The Project:

Our project is a persistent real-time strategy (RTS/4X) game requiring a highly scalable, robust backend. We are building the technical infrastructure for the MVP phase using the absolute latest technologies:

• Platform: .NET 10 (Preview/RC) & .NET Aspire
• Architecture: Event-driven Microservices (15+ services for MVP)
• Infrastructure: AWS (EKS, Aurora PostgreSQL, ElastiCache, Amazon MQ)
• Real-time: High-performance WebSocket servers (1-5Hz tick rate) for combat, SignalR for social features.
• Orchestration: Kubernetes & Aspire Dashboard.

This is a unique opportunity to work with cutting-edge tech (we are adopting .NET 10 before official release) and solve complex distributed system challenges.

Main Responsibilities

• Architecture & Design: Contributing to the design of core microservices (Battle, World, Hero services) following Domain-Driven Design (DDD) principles.
• Development: Implementing high-performance, thread-safe code for real-time battle processing and critical game logic.
  Infrastructure: working with various AWS cloud services (EKS, RDS, S3) and configuring IAAC.
• Quality: Writing comprehensive Unit and Integration tests (using Aspire.Testing); conducting code reviews.
• Mentorship: Guiding Middle developers and enforcing coding standards.
• Performance: Optimizing database queries (EF Core 10), caching strategies (Redis), and memory allocation for high-load scenarios.

Requirements

• Experience: 5+ years of commercial experience with C# and .NET.
• Core Skills: Deep understanding of .NET (8/9+), memory management, async/await, and multithreading.
• Architecture: Strong experience with Microservices, REST APIs, and event-driven architecture (RabbitMQ/Kafka).
• Data: Proficiency with PostgreSQL/SQL Server, EF Core, and Redis.
• Cloud & DevOps: Familiarity with AWS (or Azure), Docker, and Kubernetes.
• Tools: Experience with Git, CI/CD pipelines (GitHub Actions/GitLab CI).
• English: Upper-Intermediate (B2) or higher.

Nice to Have

• Experience with .NET Aspire or similar orchestration tools.
• Experience in GameDev backend (handling state for multiplayer games).
• Familiarity with WebSocket/SignalR optimization for high concurrency.
• Knowledge of gRPC and Protobuf.
• Understanding of Actor Model (Orleans/Akka.net) – though we use a custom approach, the mindset helps.

Personal Characteristics

• Proactive problem solver who thrives in a dynamic environment.
• Detail-oriented with a focus on writing clean, maintainable code.
• Team player with excellent communication skills.

What will you get with Stepico

• Competitive salaries, regularly reviewed based on professional growth;
• Flexible working hours and remote working;
• 18 working days of paid time off;
• 5 paid sick leaves (without doctors’ notes);
• Compensation for external conferences/workshops/events;
• Full employment;
• Fun corporate events.