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VO2 Group

1 day ago

[VO2 Finance] - Experienced C# Developer โ€“ Electronic Trading / CIB Front-Office

  • Paris, France
  • Full Time
  • Senior
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Company information

Company
VO2 Group
Location
Paris, France France
Posted
1 day ago
View all jobs at VO2 Group

Job description

๐ŸŒŸย VO2 GROUP: French independent leader in Tech and Digital consulting

Between strategic consulting and technological execution, we cultivate a "boutique" spirit: excellence, human connection, and a strong culture of innovation.

We are present in Paris, Montreal, Shanghai, New York, and Geneva, with over 800 consultants.

๐ŸŒ World leader in customer and corporate experience
We collaborate with the most iconic brands to ensure their success:
โœ”๏ธ From strategy and innovation
โœ”๏ธ To large-scale execution, thanks to our expertise in business, tech, data, and AI ๐Ÿค–โœจ

๐Ÿ† Recognition & Leadership
Leader in Innovation and Growth 2025 (Les Echos Business Magazine)
Multi-tech player and Premium Salesforce Partner

๐ŸŒฟ Champion of "Responsible and Sustainable Tech"
Created with gender parity, defending equality thanks to a committed leadership team ๐ŸŒŸ
45% women in our teams
Award-winning TopCom campaign in 2024

๐Ÿ“œ Certifications and Awards
Salesforce Impact Partner 2024
Cybervadis 2025
Company of the Year 2024 by Choose My Company

๐Ÿš€VO2 GROUP: The Bright Side of Tech ๐ŸŒˆ

___________________________________________________________________


Our clients in the banking and finance sectors are now choosing innovation and technology to transform themselves. Specializing in organizational consulting, sales performance improvement, and customer experience optimization through IT and AI, VO2 Finance offers digital expertise that is technological, methodological, and sector-specific โ€“ including financing, capital markets, front, middle, and back office operations, banking information systems, and regulation.
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CONTEXT

Within the Pre-Trade, Sales & Execution division of the Capital Markets IT Department at a major investment bank (CIB), you will join the team responsible for developing the core components of the electronic trading platform.

You will work in a demanding Front-Office environment requiring very high performance, interacting with critical systems that necessitate massive real-time event processing and market software integration.

Note: We are also seeking a more junior profile (0 to 3 years) for this same scope. Offer available here

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MISSION DESCRIPTIONย 

As part of a cutting-edge technical team, your main responsibilities will revolve around the following areas:

  • C# Design & Development:

    • Develop components for publishing, recording, and re-editing internal and external data.

    • Implement strategies and simulation scenarios for data re-editors.

    • Design and optimize external gateways (Horizon, ION MarketWired / OMS connectors).

  • Algorithms & Functional:

    • Interact directly with users (Traders, Quants, Sales) to gather and translate their business needs.

    • Actively participate in the implementation and optimization of trading algorithms.

  • Performance & Stability:

    • Ensure the efficiency, low latency, and robustness of components when handling very high volumes.


Profile Sought ๐Ÿ”Ž

  • Degree from an engineering school with a specialization in finance, with 3 to 6 years of professional experience

  • Proven and mandatory experience in CIB within a Front-Office environment

  • In-depth expertise in the C# / .NET language (advanced memory management, multithreading, asynchronous programming) โ€” a technical test is expected

  • Solid experience in creating and optimizing event-driven components handling very high real-time volumes

  • Good functional knowledge of trading applications (order book, automats, quoters, hedgers)

  • Fluent English (minimum B2 level)


    • Why Join Us? ๐Ÿš€
  • Dynamic and innovation-driven environment
  • Training, certifications, and access to e-learning training solutions
  • Remote work policy (2 days/week)
  • Referral bonus of โ‚ฌ2,000 to โ‚ฌ3,000
  • Meal vouchers
  • Access to nurseries in partnership with Babilou
  • On-site gym, company-covered
    • We are an equal opportunity employer, and our diversity and inclusion program aims to make VO2 Group an ideal workplace for diverse talents.

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