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.NET WinForms Developer

CSHARK Sp. z o.o.

+3 więcej
21000 - 23520 PLN
B2B
.NET
💼 B2B

Must have

  • .NET

  • Windows Forms

  • UI

  • C++

  • TCP

  • C#

  • Polish (C1)

  • English (C1)

Requirements description

The Essentials We're Seeking

  • 5+ years of hands-on experience developing desktop applications in C#/.NET (preferably .NET 8).
  • Strong expertise in Windows Forms.
  • Proven experience building custom UI controls from scratch (inheriting from base controls and implementing custom rendering – not configuring DevExpress/Telerik/Infragistics).
  • Experience working with continuous real-time data streams, where data is pushed to the UI (not periodic refresh).
  • Strong understanding of multi-threaded UI applications (updating UI safely from worker threads, avoiding freezes and stalls).
  • Practical experience in UI performance optimization (reducing redraw cost, minimizing GC pressure, batching updates, preventing flicker).
  • Experience working with TCP / socket-based communication.
  • Ability to clearly explain previous UI design decisions, trade-offs, and the impact on end users.
  • Fluency in English (minimum B2+).

Offer description

We are looking for an experienced .NET WinForms Developer to join the frontend team and help design, develop, and optimize high-performance trading applications.

IN SHORT:

🌎 100% remote or from the office (Wrocław, Bielsko-Biała) - You choose!

💰 125 - 140 PLN/h

☑️ B2B contract

💻 >5 years of commercial programming experience

Your responsibilities

  1. Design, implement and optimize custom WinForms controls (charts, grids, interactive visualization components).
  2. Work with continuous real-time data streams and ensure ultra-responsive UI under load.
  3. Ensure smooth multi-threaded UI updates without blocking or freezing.
  4. Collaborate with backend engineers (C++ systems) to maintain low-latency TCP/socket communication.
  5. Profile, debug, and tune rendering performance (GC pressure, paint cost, batching, flicker control).
  6. Improve engineering practices, and influence UI architecture and usability.
Wyświetlenia: 30
Opublikowana8 dni temu
Wygasaza 27 dni
Rodzaj umowyB2B
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