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# Software Engineer C# .Net - Fintech

- **Company:** Client Server
- **Location:** Humanes de Madrid, Spain
- **Salary:** €120,000.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), .NET Framework, 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:** September 20, 2026
- **Apply:** https://www.buscojobs.com.es/software-engineer-c-net-fintech-en-humanes-de-madrid-ID-371988495

## 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
#J-*****-Ljbffr

## Description

Software Engineer / Developer Madrid onsite to €120,000Are you a back end focused Software Engineer with a strong academic background, looking to take the next step in your career?This is an opportunity to work on complex, high-impact systems at a growing FinTech scale-up with solid financial backing, a major Hedge Fund partnership, and ambitious plans for expansion.What'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 eventsYour RoleAs a Senior Software Engineer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code.You'll take ownership of technical projects, working across the full development lifecycle to understand business needs.The company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career.LocationYou'll 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 skills#J-*****-Ljbffr


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