Expert Software Engineer (C++/ C#)

TF1 Tuple TCM France SAS; Paris; Hybride; EUR 90 000 - 130 000; Plein temps

Résumé du poste

TF1 Tuple TCM France SAS in Paris is seeking an Expert Software Engineer to join the Decision Support Team and advance simulation and order generation tools on the Sophis Invest desktop platform. You will design, implement, and troubleshoot high‑performance C++ and C# components, focusing on memory management and user experience for investment professionals.

This hybrid role embraces Agile practices, cross‑functional collaboration, and continuous improvement, with 2 days per week in the office

Qualifications

• Extensive professional software development experience in C/C++ and C#.
• Experience developing desktop applications.
• Strong focus on software quality, performance, and maintainability.
• Ability to work autonomously within complex codebases.
• Professional English, French B2+ preferred in a financial setting.

Responsabilités

• Design, develop, and maintain components using C++, C++/CLI, and C#.
• Enhance portfolio management and front-office components.
• Build robust, scalable solutions across the stack with testing.
• Troubleshoot complex software issues and optimize performance.
• Create clear technical documentation and participate in reviews.

Connaissances

C/C++

C# proficiency

C++17/C++20

Desktop applications

English proficiency

Outils

Visual Studio 2022

Visual Studio Code

GitHub

Description du poste

The Work We Do Teciem designs, builds, and delivers treasury and capital markets software solutions for financial institutions worldwide. We serve banks of every size and geography, offering the right setup for the right need. Our solutions are designed to replace multiple disconnected systems with one complete, front-to-back platform, helping customers to capture trading and business opportunities quickly, clearly and with control. We cover the entire trading lifecycle, ensuring that everything - from execution to position keeping, to risk management – runs smoothly. With decades of experience and one of the largest, most diverse client bases in the industry, we turn deep industry knowledge into software that covers most asset classes, meets complex real-world treasury and capital market's needs, and adapts as markets evolve.

Summary

We are seeking a highly skilled Expert Software Engineer proficient in C++ and C# to join our Decision Support Team and play a pivotal role in empowering investment professionals with advanced simulation and order generation tools, using our flagship Windows-based desktop platform, Sophis Invest. Your mission will be to improve, enhance, and design functionalities that support: The definition, monitoring, and achievement of investment objectives. The control of exposures and implementation of hedging actions across various market risk factors.

Job Responsibilities

• Design, develop, and maintain software components using C++, C++/CLI, and C#.
• Enhance our portfolio management system and front-office operational components.
• Develop robust, scalable, and maintainable solutions across the application stack, from data persistence and exposure calculations to server interactions and user-facing features.
• Troubleshoot and resolve complex software issues.
• Optimize application performance, with a strong focus on memory management, execution efficiency, and measurable improvements.
• Ensure software quality through best practices, proven design patterns, and automated testing.
• Deliver intuitive and effective user experiences that anticipate operational needs.
• Contribute to technical reviews, share best practices, and support continuous improvement across the team.
• Create and maintain clear, comprehensive technical documentation.

Job Qualifications

• Extensive professional software development experience with expert-level proficiency in C/C++ and C#.
• Experience developing desktop applications.
• Proven ability to solve complex technical challenges.
• Experience working within complex, multi-layered codebases.
• Strong focus on software quality, maintainability, testing, and performance.
• Ability to work autonomously and proactively.
• Curiosity for the financial domain and motivation to contribute within an international team environment.
• Languages: C++ (C++17, C++20), C#
• Database: Oracle SQL
• Tools: Visual Studio 2022, Visual Studio Code, GitHub
• Platform: Windows-based desktop applications
• English: Professional working proficiency
• French: Minimum B2 (upper-intermediate), with the ability to communicate effectively in a professional environment.

Nice to Have

• Experience with GitHub (source control, Copilot).
• Familiarity with CI/CD pipelines.
• PowerShell scripting.
• Advanced Oracle SQL skills.
• Experience with asynchronous and multi-threaded processing of large-scale datasets.
• Familiarity with DevExpress WinForms controls.
• Experience with WPF/XAML.
• Experience with MFC.
• Test-Driven Development (TDD).
• Interest in Generative AI technologies.
• Financial Domain Knowledge - Experience or understanding of: Order Management Systems (OMS)
• Trade, position, portfolio, and fund management
• Risk exposure monitoring
• Hedging strategies and investment workflows

How We Work

Agile methodology with 3-week sprints and 3-month product increments.

Collaborative decision-making.

Cross-functional team structure.

No formal on-call schedule.

Hybrid model of working (2 days/week).

Diverse Minds, Shared Ambition

At Teciem, we believe that our strength comes from the diversity of our people. Different perspectives, backgrounds, and experiences fuel our innovation and help us build solutions that truly make a difference in the world of financial technology. We’re committed to creating a workplace where everyone feels respected, heard, and empowered to grow. Here, you can bring your whole self to work, contribute your unique ideas, and be part of a team driven by shared ambition. We welcome talent from all walks of life and encourage applications from individuals of all genders, races, ages, abilities, identities, and beliefs. Together, we’re shaping a culture where diversity isn’t just celebrated — it’s essential to our success.

At Teciem, we design, build, and deliver front-to-back treasury and capital markets software solutions for financial institutions around the world. From regional banks to the world’s largest global institutions, we provide flexible, scalable technology that meets the unique needs of each client – no matter their size or geography. Our award-winning platforms – Kondor, Summit, Opics, Sophis, Fusion Invest, and Fusion Risk – help clients simplify the trading lifecycle, manage risk with confidence, and operate seamlessly across asset classes and global markets. With decades of domain expertise and one of the largest, most diverse client communities in the industry, we transform complex real‑world treasury and capital markets needs into powerful, future‑ready software. Today, more than 340 financial institutions, including the majority of the world’s top 100 banks, trust our solutions to strengthen their operations and support resilient economies.

Purpose – Why we exist

We empower financial institutions to build resilient and future-ready economies, worldwide.

Vision – What the future holds

To lead innovation in treasury and capital markets technology, building on the solid foundations of our mission -critical and industry - defining solutions.

Mission – How we get there

We place our clients' success and ambitions at our core, continuously evolving and innovating our solutions to deliver outstanding business value and real economic impact.

You help us simplify Treasury and capital markets can be intricate, but you play a key role in making them easier to navigate.

Your ideas and expertise help us transform complicated processes into intuitive, streamlined solutions used by financial institutions worldwide. Every improvement you make creates clarity, efficiency, and real-world impact for our clients. You shape the future with AI, every day AI isn’t a buzzword here — it’s embedded in how we build, innovate, and deliver. Whether you’re working on smarter automation, data-driven insights, or enhanced user experiences, your contribution fuels the next generation of intelligent financial technology. You’ll be part of a team that uses AI to make our products faster, sharper, and more meaningful for the industry.