Senior Software Engineer - Algorithmic Trading (Madrid, Onsite)

Client Server Limited; Madrid; On-site; EUR 108,000 - 132,000; Full time

Benefits offered by this job

Bonus

25 days holiday

Social team atmosphere

Job summary

Client Server Limited in Madrid is seeking a Software Engineer to join our FinTech trading platform. You will work on complex distributed systems using modern C# .NET, taking ownership of features from design through delivery in a fast-paced startup environment.

You will be based in Madrid, full-time, Monday to Friday, with a competitive package up to €120,000, bonus, and 25 days holiday. Fluent English is required as the role involves collaboration with an international team.

Qualifications

• You must have a top Spanish university or similar international ranking.
• Fluent English and strong communication are required.
• Expertise with modern C# .NET and OO languages (Java, C++, Python) is expected.
• Solid understanding of CS fundamentals and software engineering best practices.

Responsibilities

• Deliver new features on the core trading platform using C# .NET.
• Collaborate with a small team and take ownership of projects.
• Contribute to a fast-paced startup environment and show quick results.

Skills

C# .NET

Distributed Systems

Problem Solving

English Proficiency

OO Languages

Education

Top Spanish university

CS/Math degree preferred

Job description

Client Server Limited in Madrid is seeking a Software Engineer to join our FinTech trading platform. You will work on complex distributed systems using modern C# .NET, taking ownership of features from design through delivery in a fast-paced startup environment.

You will be based in Madrid, full-time, Monday to Friday, with a competitive package up to €120,000, bonus, and 25 days holiday. Fluent English is required as the role involves collaboration with an international team.