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# Senior .NET Engineer

- **Company:** VORTECH PCI GROUP
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Algorithmic Trading, C Sharp (Programming Language), Performance Tuning, Software Architecture, Systems Integration, Multithreading, Concurrency, Backend, Low Latency
- **Published:** July 17, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

+ 5+ years of experience with C# / .NET backend development
 + Strong experience building high-load or low-latency systems
 + Experience with multithreading, concurrency and performance optimization
 + Background in trading systems, exchanges, banking, gaming or other high-throughput platforms
 + Experience integrating with crypto processing or custody providers (Fireblocks, BitGo, Copper, Alchemy Pay, etc.)
 + Strong system design and backend architecture skills

Tech stack

 + C# / .NET (latest versions)
 + High-performance backend architecture
 + In-memory processing
 + Modern infrastructure and cloud tooling

## Description

Our goal is to have full control over the architecture, trading logic, performance, and product development instead of relying on third-party exchange solutions.
The platform is already in production, and we are now expanding the team to continue building the core trading infrastructure, including the futures trading stack.
This role is focused on high-performance backend development for the exchange core and surrounding ecosystem.

What you will work on

 + Development of core exchange infrastructure and trading systems
 + Designing and building high-throughput, low-latency backend services
 + Implementing order processing, market data and internal trading logic
 + Integrating the platform with crypto processing providers (Fireblocks, BitGo, Copper, Alchemy Pay and similar)
 + Building scalable and secure services for digital asset trading
 + Contributing to the architecture of a next-generation trading platform


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