We are seeking a highly skilled and experienced Senior .NET Automation Engineer to join our dynamic engineering team. This role is pivotal in ensuring the delivery of high-quality software products by designing, developing, and maintaining robust automated test frameworks and scripts using C# and .NET technologies. The ideal candidate will bring deep expertise in both the .NET Framework and .NET Core, along with a strong background in test automation frameworks such as NUnit, MSTest, or xUnit. As a Senior Automation Engineer, you will collaborate closely with cross-functional teams, including development, QA, and DevOps, to enhance legacy automation frameworks and implement continuous integration and continuous delivery (CI/CD) pipelines using Azure DevOps. Your contributions will directly impact the efficiency, reliability, and scalability of our software delivery processes across global teams.
Responsibilities:
- Maintain, refactor, and extend over 1000 existing C# automation scripts across legacy and modern .NET environments.
- Migrate existing test code and frameworks from .NET Framework to .NET Core.
- Design and implement reusable, scalable test automation solutions in C#.
- Integrate automated tests into Azure DevOps pipelines for continuous testing.
- Collaborate with development teams to improve code quality, test coverage, and reliability.
- Conduct functional, integration, and regression testing across web and service layers.
- Work within an Agile team, contributing to test strategy, code reviews, and automation standards.
- Support modernization efforts and contribute to framework-level improvements.
Requirements
- Strong C# development skills with 3–5+ years in test automation or software engineering.
- Deep familiarity with .NET Framework and experience transitioning to .NET Core.
- Experience with NUnit, MSTest, or xUnit frameworks.
- Solid understanding of object-oriented programming, design patterns, and maintainable code practices.
- Proficiency with Azure DevOps for CI/CD, version control, and test management.
- Experience troubleshooting and improving legacy automation frameworks.
- Strong communication and collaboration skills; works effectively across time zones (Mountain Time core hours)
Nice to Have:
- Exposure to Selenium or Playwright for UI automation.
- Experience with API, performance, or integration testing.
- Familiarity with mocking frameworks (Moq, NSubstitute).
- Experience with containerized or cloud testing environments (Azure).
Top Skills
What We Do
Experts in crafting digital products ⚡️
At Thaloz, the mission is to support at every stage of the digital product journey. With a team of over 100 experts and a global presence in 30 countries, we leverage top-tier Latin American talent to deliver exceptional software development solutions that drive success.
Our Services:
→ Product Lab: Comprehensive product development services to build and scale software solutions. From strategy and design to development, testing, and launch, every aspect is handled with expertise.
→ Talent Hub: Accelerate the team-building process by 50% with carefully vetted LATAM talent. Select the team members, and they will be seamlessly integrated into projects under the client's leadership.
→ Enterprise Pod: Optimize operations with streamlined complex integrations and flawless implementations of digital products for B2B companies, ensuring rapid and smooth deployments.
Ready to assist in turning ideas into reality, get in touch through www.thaloz.com/contact-us
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