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CSHARK

.NET WinForms Developer

CSHARK Усі вакансії
125 - 140 PLN / годину
Kraków
Gdańsk
Poznań
Wrocław
+1
7 днів тому

Коротко

CSHARK seeks an experienced .

NET WinForms Developer for real-time trading apps. Responsibilities include custom UI control development, real-time data streams, and UI performance tuning. Requires 5+ years C#/.

NET dev, WinForms expertise, and TCP/socket comms experience. Remote or office-based.

Ключові слова

.NET WinForms C# Desktop Applications Real-time Data Multi-threading UI Performance TCP/Sockets

Стислий виклад підготував ШІ на основі тексту оголошення.

We are looking for an experienced .

NET WinForms Developer to join the frontend engineering team and help build high-performance, real-time trading applications used by professional traders.

This role is not about configuring UI frameworks - it is about crafting fast, responsive, custom-rendered desktop UI.

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 Daily Missions

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

The Essentials We're Seeking

  • 5+ years of hands-on experience developing desktop applications in C#/.

NET (preferably .

NET 8).

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

Nice to Have

  • Experience with trading systems, market data, or real-time financial applications.
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  • Familiarity with C++ or interoperability between C# and native components.
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  • Understanding of high-performance visualization and data interaction patterns.
Опубліковано 2026-10-26
Діє до 2027-01-14
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