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# Senior Software Engineer (C# / Sql Server)

- **Company:** Ethifinance
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), C Sharp (Programming Language), Software as a Service, Cloud Computing, Cloud Engineering, Continuous Integration, Python (Programming Language), Microsoft SQL Server, Software Engineering, Working Model 2D, Google Cloud, Backend, Containerization, AngularJS, Kubernetes, Deployment Automation, Docker, Golang
- **Published:** September 14, 2026
- **Apply:** https://www.buscojobs.com.es/senior-software-engineer-c-sql-server-en-madrid-ID-371289055

## About the Role

5+ years of professional experience in software engineering.
~ Strong experience with backend development (Golang, Java, C#, Python or similar technologies).
~ Experience designing and delivering scalable software solutions in a cloud environment.
~ Familiarity with Docker and ideally also Kubernetes.
~ Fluent English is required.
Experience with Google Cloud Platform (GCP).
Experience with AngularJS or full-stack development.

## Description

Company OverviewPara presentar una candidatura, simplemente lea la siguiente descripción del puesto y asegúrese de adjuntar los documentos pertinentes.¿EthiFinance is an independent European credit and sustainability rating agency, fully committed to sustainable finance.Founded in Paris, the group supports investors, banks, insurance companies and corporates with high-impact analysis, ratings, data and advisory services to help them navigate environmental and societal transformation.Operating under the EthiFinance brand, the combined group brings together complementary expertise in sustainability, credit ratings, data, analytics and technology to create a leading independent European player with global capabilities.As the sustainable finance market continues to evolve, EthiFinance is building a strong European alternative that combines deep local expertise with international reach, helping clients better understand and manage both financial and non-financial risks.We are looking for a Senior Software Engineer to join our Technology team and contribute to the ongoing development of our sustainability data platform.Software Development & ArchitectureDesign, develop and maintain scalable software solutions supporting our SaaS platform.Contribute to the architecture and evolution of distributed and cloud-native systems.Build high-quality, secure and maintainable code following engineering best practices.Platform & Cloud EngineeringDevelop and maintain APIs and backend services.Contribute to cloud infrastructure, deployment automation and CI/CD pipelines.Support the reliability, performance and scalability of production systems.Work with containerized environments and modern cloud technologies.Collaborate closely with Product, Data and Engineering teams to deliver business value.Participate in agile ceremonies and contribute to planning and prioritisation activities within your squad.Support cross-functional initiatives and technical projects across the organization.Provide guidance and mentoring to junior team members.5+ years of professional experience in software engineering.~ Strong experience with backend development (Golang, Java, C#, Python or similar technologies).~ Experience designing and delivering scalable software solutions in a cloud environment.~ Familiarity with Docker and ideally also Kubernetes.~ Fluent English is required.Experience with Google Cloud Platform (GCP).Experience with AngularJS or full-stack development.xqziphuBenefit from a hybrid working model and international exposure.Full-time permanent positionHybrid working model (Minimum on-site presence requirement per month)English-speaking environment


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