Senior C# Developer

 Why Talan?

Talan – Positive Innovation

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions.

Talan at a Glance

Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients. Over the past 22 years, we've built a strong presence in the IT and consulting landscape, and we're on track to reach €1 billion in revenue this year.

Our Core Areas of Expertise

• Data & Technologies: We design and implement large-scale, end-to-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI.

• Cloud & Application Services: We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency.

• Management & Innovation Consulting: We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low-Carbon strategies.

We work with major global clients across diverse sectors, including Transport & Logistics, Financial Services, Energy & Utilities, Retail, and Media & Telecommunications.

We are looking for a Senior C# Developer to join our algorithmic trading team. In this role, you will be responsible for designing, developing, and maintaining low-latency services and infrastructure that support algorithmic trading libraries across multiple target environments. This position involves close collaboration with quantitative analysts, traders, and cross-functional technical teams.

Responsibilities

• Design, develop, and maintain high-quality, low-latency C# services.

• Continuously optimize performance and scalability of applications.

• Collaborate with quantitative analysts and traders to understand requirements and translate them into technical solutions.

• Participate in Agile development processes and contribute to Scrum/Kanban team ceremonies.

• Conduct code reviews and maintain high coding standards.

• Implement DevOps practices to ensure continuous integration, delivery, and reliable infrastructure.

• Mentor and provide technical guidance to junior team members.

Qualifications

Experience:

• Minimum of 7 years of professional experience in C# development.

• Strong knowledge of the .NET 6+ runtime and related frameworks.

• Demonstrated experience in low-latency programming concepts and techniques.

• Proficiency with Aeron and SBE for low-latency messaging.

• Experience with Docker, containerization, and cloud platforms (AWS preferred).

• Solid understanding of DevOps practices and automation for CI/CD pipelines.

• Experience working in Agile teams, following Scrum or Kanban methodologies.

Education:

• Bachelor's degree in Computer Science, Engineering, or a related technical field.

Skills & Knowledge

Technical:

• Deep understanding of low-latency service architecture.

• Hands-on experience with performance tuning and system optimization.

• Knowledge of cloud infrastructure and container orchestration.

• Familiarity with software development best practices, testing, and documentation.

Soft Skills:

• Strong communication skills in English (written and spoken).

• Ability to collaborate effectively with diverse, cross-functional teams.

• Analytical mindset and proactive problem-solving approach.

• Leadership skills and experience mentoring junior developers.

Nice to Have:

• Previous experience in financial services, algorithmic trading, or fintech.

• Familiarity with AI/ML applications in trading systems.

• Certifications in cloud platforms or .NET technologies.

What We Offer:

• Full-time, permanent position.

• Hybrid work model (office + remote).

• Opportunity to work in a highly innovative, international environment.

• Professional development and continuous training.

• Comprehensive benefits package including private medical and life insurance.

• Exposure to cutting-edge technologies in algorithmic trading.

If you're passionate about building high-performance trading systems and collaborating with a team of developers and quantitative analysts, we would love to hear from you

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