Senior C# Developer

🌍 Why Talan?Talan – Positive InnovationTalan 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 GlanceHeadquartered 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 ExpertiseData & 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.Job DescriptionWe 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.ResponsibilitiesDesign, 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.QualificationsExperience: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 & KnowledgeTechnical: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!