Senior Software Development Engineer in Test (SDET.NET+JS)

For job seekers, BONAPOLIA offers a gateway to exciting career prospects and the chance to thrive in a fulfilling work environment. We believe that the right job can transform lives, and we are committed to making that happen for you.

We are seeking a highly skilled Senior SDET to join our client’s Digital Ecommerce team and take ownership of advanced test automation initiatives across internal high-traffic platforms. The ideal candidate will be an expert in building scalable automation frameworks, validating complex distributed systems, and ensuring quality across web, API, mobile, and cloud-native solutions.

This role requires a strong engineering mindset, hands-on automation expertise, and readiness to leverage AI tools and AI agents to accelerate testing, troubleshooting, and framework development..

About the Client

Our client is a leading global IT solutions distributor, supporting partners in over 100 countries. They provide a wide range of hardware, software, cloud, and infrastructure solutions, helping technology partners scale and maximize the value of their investments. In the local market, they maintain a strong presence and continue to expand their portfolio across IT, AV, unified communications, and gaming solutions.

What You’ll Do

• Design, implement, and maintain modular, scalable automation frameworks using C# / .NET, MSTest, xUnit; or Python / JS
• Develop end-to-end automated tests for web, API, and mobile applications using Selenium, Playwright, and Appium with parallel and headless execution
• Automate API and microservices testing (Postman, RestAssured, Karate), including contract, negative, and fuzz testing
• Test SQL and NoSQL databases, ensuring data accuracy, integrity, and consistency across distributed systems
• Conduct load, stress, and scalability tests, apply chaos engineering, and collaborate on observability using Azure Monitor, Application Insights, Dynatrace, or ELK
• Deploy and manage test frameworks in cloud and container environments (AKS, Docker) and automate provisioning via Azure CLI
• Integrate automated tests into CI / CD pipelines with quality gates, static analysis, parallel execution, and fail-fast mechanisms
• Collaborate with Development, DevOps, and QA teams, produce documentation, deliver training, and conduct peer code reviews

What You Bring

English level

Advanced

🌍   Location :  Bulgaria, Lithuania, Poland, Romania, Uzbekistan

📩 Ready to Join?

We look forward to receiving your application and welcoming you to our team!