Senior Software Engineer C# (AI-driven systems) | Senior Rust Engineer (AI-driven systems)

Link Group • C# • Rust • 1 month ago
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Salary
$113k – $145k per year
Location
In office (Warsaw)
Seniority
Senior · 5+ years exp
Employment
Full-Time
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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 with strong expertise in C#/.NET and a solid understanding of system design, who is open to working in a modern, multi-language environment that includes Rust.

This role focuses on building and scaling a high-performance trade management platform processing large volumes of data in distributed, event-driven systems. You will work in a highly performance-driven environment with a strong emphasis on scalability, reliability, and engineering excellence.

Key Responsibilities

  • Develop and optimize high-performance backend systems in C#/.NET

  • Design and maintain scalable distributed services

  • Collaborate with Rust engineers and contribute to cross-language system development

  • Use AI tools to accelerate development, testing, and debugging

  • Own solutions end-to-end, from design through to production

  • Improve system performance, reliability, and cloud efficiency

Requirements

  • 5+ years of experience in software engineering

  • Strong C#/.NET development experience (production systems)

  • Strong fundamentals in system design, concurrency, and performance

  • Willingness to work with Rust in a production environment

  • Experience with distributed systems and cloud platforms (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

2. Senior Rust Engineer (AI-driven systems)

We are looking for an experienced Rust Engineer who combines strong systems engineering skills with a modern, AI-supported development approach, and is open to working in a multi-language environment that includes C#/.NET.

This role focuses on building and scaling a high-performance trade management platform processing large volumes of data in distributed, event-driven architectures. The environment is highly performance-focused, with strong requirements around scalability, reliability, and low-latency processing.

Key Responsibilities

  • Develop and optimize high-performance backend systems in Rust

  • Design and maintain scalable distributed services

  • Collaborate with C# engineers and contribute to cross-stack system design

  • Use AI tools to accelerate development, testing, and debugging

  • Own solutions end-to-end, from architecture to production

  • Improve system performance, reliability, and cloud efficiency

Requirements

  • 5+ years of experience in software engineering

  • Strong Rust experience in production systems

  • Strong fundamentals in system design, concurrency, and performance

  • Willingness to work with C#/.NET in a hybrid environment

  • Experience with distributed systems and cloud platforms (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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