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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - full stack - **Company:** eldoLED - **Location:** Son, Netherlands (Remote available) - **Experience:** Expert - **Salary:** €5,250.0 - €7,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Microsoft Windows, Agile Methodology, Software Applications, User Authentication, Unit Testing, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), Software Quality, Relational Databases, Firmware, Human-Computer Interaction, Python (Programming Language), Message Queuing Telemetry Transport (MQTT), Nunit, OAuth, Object-Oriented Software Development, OpenID, Software Architecture, Software Tools, Swagger, .NET Core, Postman, ReactJS, Blazor, Backend, Git, Build Management, Kubernetes, Information Technology, Front End Software Development, Api Design, Restful APIs, Docker - **Published:** May 30, 2026 - **Apply:** https://nl.indeed.com/viewjob?jk=e7b930ba95cf7b7d ## About the Role Do you have experience in UI?, Do you have a Bachelor's degree?, Minimum of a bachelor's degree (HBO) in computer science or equivalent - Minimum of 6+ years of backend software development experience - Strong experience in C#, .NET Core and object-oriented design principles - Proven experience designing and building scalable backend systems - Experience with REST API design and development - Strong experience with relational database design and modeling - Experience with authentication and authorization mechanisms (OAuth / OpenID) - Experience with MQTT or similar messaging systems is a strong plus - Solid understanding of system performance, scalability and capacity evaluation - Experience with Git - Eager learner with a hands-on attitude - Team player both inside and outside the software team - Fluent in English Optional - Experience with MQTT brokers (e.g. EMQX) - Experience with C# frontend technologies (e.g. Blazor, Avalonia UI) - Experience with JavaScript, Python, or C++ - Experience with unit testing frameworks (e.g. NUnit) - Affinity with lower-level languages and firmware development - Experience with pipelines in Azure DevOps, Docker, Kubernetes - Experience with API design tools (Swagger, Postman) - Experience using DORA metrics and using them to drive engineering improvements - Experience with defining software architecture and documenting decisions using ADRs (Architectural Decision Records) ## Description Our products, your drive! The eldoLED software team designs, implements and maintains a suite of software tools. These include backend services and supporting frontend applications developed in .NET Core and ReactJS respectively, enabling the design, configuration, testing, production and end-user interaction with our LED drivers and connected peripheral devices. You will take a leading role in designing and building scalable backend systems and services, with a strong focus on performance, maintainability, and system capacity. While your primary focus is backend development, you have sufficient awareness to effectively collaborate and contribute where needed. Projects now include: - Backend - .NET Core C# - Frontend - ReactJS - REST APIs - MQTT broker integration - .NET Core C# - Desktop application (Windows) - .NET Core C# You! - Take ownership of backend architecture and drive technical decisions - Design and build scalable, high-performance systems and services - Evaluate system capacity, performance, and scalability trade-offs - Strengthen the team in developing new and professionalizing existing web-based applications - Collaborate closely with frontend developers and other stakeholders - Bring team spirit to the next level, especially under pressure - Enrich customer experience of new and existing applications - Help the team to grow in an Agile way - Focus on software quality by designing for testability ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [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) - [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) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-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) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023)