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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Developer (C# - Ssis) - (Hybrid, 36-40K) - **Company:** Squad Technology Solutions - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** .NET Framework, C Sharp (Programming Language), Extract Transform Load (ETL), Windows Communication Foundation, NuGet, Performance Tuning, SonarQube, SQL Stored Procedures, SQL Server Integration Services, TypeScript, Information Technology Outsourcing, Backend, Front End Software Development - **Published:** August 24, 2026 - **Apply:** https://www.buscojobs.com.es/backend-developer-c-ssis-hybrid-36-40-k-en-alcobendas-ID-368535432 ## About the Role We are currently working with one of our clients to onboard anBackend Developer (C# - SSIS)for aninternational project, which is why ahigh level of English is required. ? ?? ????????? ? What are we looking for? ? +5 years of proven experience in backend development usingC#,. NET Framework, and.NET Core?? English proficiency atB2 level, able to collaborate in international environments. ?? Strong experience withSQL Server, including complex query design, stored procedures, views, maintenance, and performance tuning. ?? +5 years of experience withSSIS,ETL processes,WCF,NuGet Packages,SonarQube, andjQuery ? +2 years of experience working withAngularandNode.js ? Experience working inAgile environmentsusingJiraandConfluence ? Ability to guide development teams throughDevOps culture, maintain build pipelines, define deployments and promotions across environments, and ensure environment stability nice to have: experience with frontend development usingAngularand TypeScript ## Description At SQUAD Technology Solutions, an IT outsourcing company, we are building a small, agile team with a strong commitment to doing things right from the very beginning.We are currently working with one of our clients to onboard anBackend Developer (C# - SSIS)for aninternational project, which is why ahigh level of English is required.??? ?????????? What are we looking for?? +5 years of proven experience in backend development usingC#,.NET Framework, and.NET Core?? English proficiency atB2 level, able to collaborate in international environments.?? Strong experience withSQL Server, including complex query design, stored procedures, views, maintenance, and performance tuning.?? +5 years of experience withSSIS,ETL processes,WCF,NuGet Packages,SonarQube, andjQuery? +2 years of experience working withAngularandNode.js? Experience working inAgile environmentsusingJiraandConfluence? Ability to guide development teams throughDevOps culture, maintain build pipelines, define deployments and promotions across environments, and ensure environment stability nice to have: experience with frontend development usingAngularand TypeScript? What are we offering?? Permanent contract with immediate onboard? Stable project with an international client? Remote plus intensive working hours during July and August?? 25 days of annual leave ## Related Videos - [Local Candidates vs International Talent - Building the Very Best Dev Team](https://www.wearedevelopers.com/videos/1067-local-candidates-vs-international-talent-building-the-very-best-dev-team) - [Automated Code Quality Checks with Custom SonarQube Rules](https://www.wearedevelopers.com/videos/428-automated-code-quality-checks-with-custom-sonarqube-rules) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [How your .NET software supply chain is open to attack : and how to fix it](https://www.wearedevelopers.com/videos/938-how-your-net-software-supply-chain-is-open-to-attack-and-how-to-fix-it) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) ## Related Articles - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)