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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack .NET Developer Consultant - **Company:** Keystone Solutions - **Location:** Dessel, Belgium - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Software Applications, Unit Testing, Microsoft Azure, Data Integration, Software Debugging, Microsoft SQL Server, ReactJS, Software Security, Backend, Git, Information Technology, Data Management, Front End Software Development, Microservices - **Published:** September 8, 2026 - **Apply:** https://www.adzuna.be/details/5876765563 ## About the Role Medior profile (approximately 2-3 years of experience). Bachelors degree or equivalent through experience. Strong in maturity, drive, and team fit. Why Join Keystone Solutions: As a consultant at Keystone Solutions, you will engage in dynamic projects that offer diverse challenges across various client environments. You will experience turbo-charged learning opportunities and have the chance to skyrocket your ambition and career growth. Being a 'K-Stone' means bringing our core values to every engagement. If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal. ## Description * Contribute to the renewal of hardware and/or software components and perform necessary functional or technical analyses to meet the needs of end-users and the company. * Manage and follow up on technical needs within a .NET and microservices architecture. * Advise on technology choices (.NET, React, tooling, frameworks). * Design solutions focusing on frontend (React) and backend integration. * Develop or determine technical requirements for, as well as implement, new hardware or software and applications to provide a quality set of equipment and applications. * Develop full stack applications (.NET + React). * Work according to Agile methodology using Azure DevOps. * Implement APIs and microservices. * Use Git for version control. * Monitor, maintain, test, and secure the IT infrastructure and/or software applications to ensure a high degree of reliability, security, and user-friendliness for end-users. * Perform unit and integration testing. * Apply application & API security best practices. * Ensure performance and stability. * Maintain data structures and/or system settings, providing a performant environment for data management and ensuring backups of user files to guarantee the correctness of business data and quick recovery in case of loss or damage. * Work with SQL Server for data management. * Monitor data quality and performance. * Support data integration within microservices. * Analyze, resolve, and follow up on application or network-related issues to restore the operation of these applications or networks. * Debug frontend and backend issues. * Provide second-line support. * Proactively avoid production issues. * Formulate proposals for renewal and optimization of the activity domain to meet current and future business needs. * Propose improvements in architecture and development practices. * Keep up with developments within the .NET and React ecosystem. * Ensure knowledge retention and keep data and documentation up to date for the own area of expertise, as well as communicate information to maintain a correct and complete view of all available components and applications throughout their lifecycle. * Document code, APIs, and architecture. * Share knowledge within the team. * Work according to structured documentation standards. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [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 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) - [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) - [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) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-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) - [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)