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# Software Engineer - Algorithmic Trading

- **Company:** Client Server
- **Location:** Humanes de Madrid, Spain
- **Salary:** €120,000.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), .NET Framework, Algorithmic Trading, C Sharp (Programming Language), C++ (Programming Language), Data Structures, Software Design Patterns, Distributed Systems, Python (Programming Language), Microsoft Servers, Object-Oriented Software Development, Software Construction, Software Engineering, Information Technology
- **Published:** July 27, 2026
- **Apply:** https://www.buscojobs.com.es/software-engineer-algorithmic-trading-en-humanes-de-madrid-ID-364660549

## About the Role

You have studied at a top 10 university in Spain (or top 200 globally) and have achieved 9.0 and above in Bachillerato and 7.0 and above in University - Computer Science or Mathematics preferred
You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems
You have expertise with modern C# .
Net (will also consider other OO languages e.g. Java, C++, Python but you must be happy to use C# going forward)
You have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycle
You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms
You're excited to join a start-up in a role that you can shape and influence
You have fluent English language skills

## Description

Software Engineer / Developer Madrid onsite to €120,000Are you a technologist Software Engineer with a first class education looking for an opportunity to progress your career, working on complex and interesting systems in an impactful role?You could be joining a FinTech start-up as a founding member of the Madrid office, the company has secure backing and an established Hedge Fund client as a partner.As a Senior Software Engineer you will collaborate with a small, talented team to deliver new features on the core trading platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code.You'll take ownership of projects and see the results of your work quickly.LocationYou will be based in Madrid on a fulltime basis (Monday to Friday).About YouYou have studied at a top 10 university in Spain (or top 200 globally) and have achieved 9.0 and above in Bachillerato and 7.0 and above in University - Computer Science or Mathematics preferredYou're a technologist who enjoys collaborating and problem solving, working on complex, distributed systemsYou have expertise with modern C# .Net (will also consider other OO languages e.g. Java, C++, Python but you must be happy to use C# going forward)You have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycleYou have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, AlgorithmsYou're excited to join a start-up in a role that you can shape and influenceYou have fluent English language skillsWhat's In It For YouAs a Software Engineer / Developer you will earn a competitive package:Salary to €120,000Bonus25 days holidayHealthcareGenerous pension contributionContinuous career development opportunitiesSocial team atmosphere with a range of events and early finish for drinks on Fridays#J-*****-Ljbffr


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