.NET Tech Lead

2 tygodni temu

Kraków, Polska CSHARK Pełny etat

Our client is a top-tier proprietary trading firm building its own trading technology end-to-end. Their engineering teams develop high-performance Windows desktop applications relied upon by professional traders every day.  As a Tech Lead , you will combine hands-on coding with architectural ownership to guide the evolution of real-time trading UIs. This role focuses on performance, responsiveness, and user experience at scale .  100% remote or from the office (Wrocław, Bielsko-Biała) - You choose #B2B contract #Design and build custom-rendered controls for high-frequency, data-driven UI.  ~ Ensure ultra-responsive UI updates in a multi-threaded environment.  ~ Profile, debug, and optimize UI performance (latency, GC pressure, redraw behavior).  ~ Work closely with traders and C++ backend teams to deliver reliable, low-latency features.  ~ Mentor engineers through reviews, design sessions, and technical coaching.  ~ 8+ years of professional experience in C#/.NET with strong focus on Windows Forms .  ~ Proven ability to build custom UI controls from scratch (inheriting base controls and implementing custom rendering , not configuring DevExpress/Telerik).  ~ Hands-on experience with continuous real-time data streaming to the UI ( data pushed , not polled or periodically refreshed).  ~ Deep understanding of multi-threaded UI architecture (safe UI updates from worker threads, no freezes or stalled redraw).  ~ Demonstrated skill in UI performance tuning (batching updates, reducing paint cost, minimizing flicker, lowering GC pressure).  ~ Experience working with TCP / socket communication and interacting with C++ backend systems.  ~ Ability to explain design decisions clearly and articulate the impact on end-user experience .  ~ Strong communication skills and experience mentoring or leading developers.  ~ Fluency in English (minimum C1) to collaborate effectively with stakeholders.    Nice to Have   ~ Experience with trading systems or real-time market data environments.  ~ Familiarity with C++ interop or mixed managed/unmanaged architectures.  ~ Comfort working with Figma or similar UI collaboration tools.  We work in the latest technologies and with international clients, and our projects are polished from -  learn about some of the projects we have completed. We have a close-knit team and we make sure to have regular integrations - we often go out to celebrate together. You can work remotely or choose to work from our offices in Wroclaw or Bielsko-Biala. You can work with great specialists in their fields who also have a sense of humor and other after-hours hobbies. It is the people who create the unique atmosphere and relaxed atmosphere at CSHARK. We have a flat structure - we are not a corporation and don't want to be one # ;. We organize remote English classes and provide access to the company library. You can also become an author/author of articles published on our technical blog -  .

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