Posted 21 July, 2026
Full-Stack Developer (.NET & ReactJS)
The businesses of Merck KGaA, Darmstadt, Germany
Bangalore,Karnataka,India
Full Time
Reference: 137_716578_301224
Full-Stack Developer (.NET & ReactJS) with Test Management and Test Automation Experience
We are looking for a skilled .NET and ReactJS Full-Stack Developer with experience in test management and test automation. In this role, you will develop and maintain business applications, support Azure and Office 365 integration, and help ensure quality through structured testing, defect management, and automated test coverage for UI, API, integration, and regression testing.
Your Role:
- Develop, enhance, and maintain full-stack applications using .NET (Core or Framework), ReactJS, RESTful APIs and Databases (like SQL Server, MongoDB or PostgreSQL).
- Implement responsive user interfaces, integrate business services, and support Azure and Office 365 application scenarios.
- Plan and coordinate testing activities, including test cases, execution, defect tracking, reporting, UAT, and release readiness.
- Design and maintain automated tests for UI, API, integration, and regression testing, including integration into CI/CD pipelines.
- Collaborate with developers, QA teams, and business stakeholders to deliver secure, maintainable, and high-quality solutions.
Who You Are:
- Master or Bachelor's degree in Computer Science, Software Engineering, or a related field.
- 5-7 years of proven full-stack development experience with .NET Core/.NET Framework, ReactJS, HTML, CSS, JavaScript, RESTful APIs.
- Hands-on experience in test management, including planning, coordinating executions, defect management, reporting, and release validation.
- Experience with test automation frameworks and tools for frontend, backend, API, and regression testing, ideally integrated into CI/CD pipelines.
- Knowledge of Azure services, Office 365 development and integration scenarios, PowerShell scripting, and tools such as Azure DevOps or Jira.
- Strong analytical, problem-solving, communication, and collaboration skills.
Preferred Skills:
- Experience working in Agile development environments.
- Experience with structured QA processes, release validation, and user acceptance testing coordination.
- Familiarity with automation tools and frameworks such as Selenium, Playwright, Cypress, NUnit, xUnit, or similar.
- Familiarity with version control systems (eg. TFVC, Git).
- Knowledge of additional programming languages, frameworks, or cloud technologies is an advantage.