Senior C# Developer at Talan

Warsaw, Masovian Voivodeship, Poland -

Full Time

Start Date

Immediate

Expiry Date

17 Feb, 26

Salary

0.0

Posted On

20 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

C#, .NET 6+, Low-Latency Programming, Aeron, SBE, Docker, Cloud Platforms, AWS, DevOps, CI/CD, Agile, Scrum, Kanban, Performance Tuning, System Optimization, Software Development Best Practices

Industry

IT Services and IT Consulting

Description

Company Description 🌍 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. Job Description 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! #LI-CL1

Responsibilities

The Senior C# Developer will design, develop, and maintain high-quality, low-latency C# services for algorithmic trading. This role involves collaboration with quantitative analysts and traders to translate requirements into technical solutions.