Senior C# Engineer

Link Group • C# • Rust • 1 year ago
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Salary
≈ $63k – $100k per year (Estimated)
Location
In office (Warsaw)
Seniority
Senior · 5+ years exp
Overview
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Link Group

Link Group is a Poland-based IT services and consulting company that builds tech teams, provides managed services, and delivers software and cloud solutions. It is headquartered in Warsaw and was founded in 2016.
linkgroup.co • HQ: Warsaw, Poland • Blockchain & Crypto • Cybersecurity • Information Technology • 51-200 employees • Est. 2016

Senior Software Engineer C# (AI-driven systems)

We are looking for an experienced Software Engineer who combines strong system design skills with a modern, AI-supported development approach. This role focuses on building and scaling a high-performance trade management platform, primarily in Rust, with some exposure to C#/.NET.

You will work on distributed, event-driven systems processing large volumes of data, with a strong focus on performance, scalability, and reliability.

Key Responsibilities

  • Develop and optimize high-performance backend systems
  • Design and maintain scalable distributed services
  • Use AI tools to accelerate development, testing, and debugging
  • Own solutions end-to-end, from design to production
  • Improve system performance and cloud efficiency

Requirements

  • 5+ years of experience in software engineering
  • Strong fundamentals in system design, concurrency, and performance
  • Hands-on experience with C#/.NET (production level)
  • Wilingness to work with Rust
  • Experience with distributed systems and cloud (preferably AWS)
  • Practical use of AI tools in development workflows

Nice to have

  • Experience with messaging systems (Kafka, RabbitMQ, etc.)
  • Exposure to financial systems or trading environments
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