> Markdown version of [/jobs/ext/2176381-senior-c-net-developer-international-project](https://www.wearedevelopers.com/jobs/ext/2176381-senior-c-net-developer-international-project). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior C.Net Developer. International Project.

- **Company:** Alten
- **Location:** Marín, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), C Sharp (Programming Language), Cloud Computing, Identity and Access Management, Microsoft Software, MongoDB, OAuth, OpenID, Azure Active Directory, SQL Databases, Openapi, JetBrains, Grafana, Backend, Gitlab, Kubernetes, Graphql, Kibana, Restful APIs, Docker
- **Published:** August 22, 2026
- **Apply:** https://www.buscojobs.com.es/senior-c-net-developer-international-project-en-marin-ID-368160854

## About the Role

Besides technical experience, they're looking for people who:Think independently.Are proactive in solving problems.Come up with new ideas and improvements.Learn new technologies quickly (for example, smoothly migrating from C# 10 to C# 11).
Have a continuous learning mindset.Can implement solutions on their own.Work well in a team and collaborate openly.Requirements:5-10+ years of experience in software development.English level: C1 (essential).
The most important things: C# .
NET, Cloud, KubernetesTechnical stack:Backend: C#, ASP.NET, .
NET EcosystemAPIs: GraphQL, REST APIs, OpenAPI, API CompositionCloud & Infrastructure: Docker, Kubernetes, Microsoft AzureSeguridad: IAM, OAuth, OIDC, Microsoft Entra IDBases de datos: Imprescindible: SQL, Muy valorable: MongoDB, RedisDevOps & Observability: GitLab, CI/CD Pipelines, VS Code o JetBrains IDEs, Elastic, Grafana, Kibana, OctopusWe positively value all work or study experience abroad.
xqysrnhAll positions require a high level of English (at least B2) - please send your detailed CV in English.

## Description

Are you looking for the next challenge in your career?Maximice sus posibilidades de que su candidatura sea seleccionada asegurándose de que su CV y sus habilidades se ajustan al perfil.Would you like to be part of an exciting highly qualified team of professionals in an international environment?We are currently looking for a qualified Senior C#.NET DeveloperJoin an international division and work alongside with some of the most talented engineers and technicians from all over the world.Your benefits:Competitive Salary.Long-term secure contract.International Project with top technologiesPossibility of working remotely with a flexible schedule.Integration in a highly qualified team of professionals.Travel abroad with your project.Specialized training and continuous professional development.Social benefits and flexible compensation plan.What are we looking for?Besides technical experience, they're looking for people who:Think independently.Are proactive in solving problems.Come up with new ideas and improvements.Learn new technologies quickly (for example, smoothly migrating from C# 10 to C# 11).Have a continuous learning mindset.Can implement solutions on their own.Work well in a team and collaborate openly.Requirements:5-10+ years of experience in software development.English level: C1 (essential).The most important things: C# .NET, Cloud, KubernetesTechnical stack:Backend: C#, ASP.NET, .NET EcosystemAPIs: GraphQL, REST APIs, OpenAPI, API CompositionCloud & Infrastructure: Docker, Kubernetes, Microsoft AzureSeguridad: IAM, OAuth, OIDC, Microsoft Entra IDBases de datos: Imprescindible: SQL, Muy valorable: MongoDB, RedisDevOps & Observability: GitLab, CI/CD Pipelines, VS Code o JetBrains IDEs, Elastic, Grafana, Kibana, OctopusWe positively value all work or study experience abroad.xqysrnhAll positions require a high level of English (at least B2) - please send your detailed CV in English.


## Related Videos

- [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it)
- [Debug a Kubernetes Operator](https://www.wearedevelopers.com/videos/487-debug-a-kubernetes-operator)
- [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered)
- [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect)
- [Your next 10x engineer isn't in your city. Refactor accordingly.](https://www.wearedevelopers.com/videos/100103-your-next-10x-engineer-isn-t-in-your-city-refactor-accordingly)
- [Add Location-based Searching to Site with ElasticSearch](https://www.wearedevelopers.com/videos/77-add-location-based-searching-to-site-with-elasticsearch)

## Related Articles

- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)