Currency

Technical Lead (.NET WinForms)

6 729 - 7 827 USDNet per month - B2B
Net

Technical Lead (.NET WinForms)

Net

-, Kraków +4 Locations

CSHARK

Full-time
B2B
Senior
Remote
6 729 - 7 827 USD
Net per month - B2B

Tech stack

    Polish

    C1

    English

    C1

    Windows Forms

    advanced

    C#

    advanced

    .Net 8

    advanced

Job description

Our client is a top-tier proprietary trading firm known for building its own trading technology from the ground up. Their in-house engineering team designs and maintains high-performance Windows desktop applications that traders rely on daily. As a Tech Lead, you’ll combine technical depth with hands-on coding and architectural decision-making to ensure scalability, performance, and an exceptional user experience.



IN SHORT:

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

💰 145 - 170 PLN/h

☑️ B2B contract

💻 >8 years of commercial programming experience



Your Daily Missions

  • Lead the design and development of Windows Forms applications for real-time trading.

  • Build and maintain custom controls for high-frequency data visualization (charts, grids, multi-window UIs).

  • Drive performance optimization initiatives, ensuring low latency and responsiveness.

  • Mentor and support team members through code reviews, architecture discussions, and technical coaching.

  • Collaborate directly with traders and backend engineers to deliver business-critical features.

  • Work with source control and support transition plans (e.g., SVN to Git).



The Essentials We're Seeking

  • 8+ years of professional C#/.NET experience, including Windows Forms and custom control development.

  • Deep understanding of multi-threaded, low-latency UI design.

  • Experience with real-time data visualization (charts, grids, multi-window apps).

  • Comfortable with SVN, TCP/IP, and Windows desktop optimization.

  • Strong knowledge of TCP/IP and socket-based communication with C++ backend systems.

  • Excellent debugging, profiling, and refactoring skills.

  • Experience leading or mentoring developers in an agile, fast-moving environment.

  • Fluency in English (minimum C1 level) to effectively collaborate in an international team.



Nice to Have

  • Prior exposure to trading systems or market data environments.

  • Familiarity with Figma-based UI collaboration and C++ interoperability.



Reasons Why You Would Enjoy Working With Us

  • We work in the latest technologies and with international clients, and our projects are polished from < to /> - learn about some of the projects we have completed.

  • We organize TechTalks, meet-ups and create guilds where we exchange knowledge - you can learn a lot from your teammates.

  • 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. However, we count on your openness to occasionally visit the office for team meetings or client visits, or possible occasional trips to the client's headquarters.

  • You can adjust your working hours to suit your needs, starting your day between 7:00 and 10:00 am.

  • 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 offer bonuses for employee referrals (from 3000 PLN to 7000 PLN).

  • 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 - https://cshark.com/blog/.

Tech stack

    Polish

    C1

    English

    C1

    Windows Forms

    advanced

    C#

    advanced

    .Net 8

    advanced

Office location

Published: 17.10.2025

Technical Lead (.NET WinForms)

6 729 - 7 827 USDNet per month - B2B
Summary of the offer

Technical Lead (.NET WinForms)

-, Kraków

CSHARK

6 729 - 7 827 USDNet per month - B2B
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Zgoda na obecny proces rekrutacji: Wyrażam zgodę na przetwarzanie moich danych osobowych przez CSHARK Sp. z o.o. z siedzibą we Wrocław... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.