About Sirma 
Established in 1992, Sirma is one of the leading IT companies in Bulgaria. Since 2015, the company has been listed on the Bulgarian Stock Exchange.
Sirma specializes in software development across multiple industries, including finance, insurance, healthcare, transportation, logistics, hospitality, retail, and e-government. With a team of more than 800 professionals, the company delivers cutting-edge software solutions tailored to address the specific business needs and challenges of our clients. Our projects range from short engagements to multi-year collaborations on turnkey products.
As we believe that our employees are our greatest asset, we provide them with a collaborative environment and full support for their career and personal growth.

Your responsibilities
• Design and implement comprehensive test plans and procedures for functional, integration, UI, and performance testing
• Develop and maintain automated test suites using C#/.NET, NUnit, and SpecFlow (Gherkin)
• Perform API testing (REST API) and service-layer validation
• Execute UI and end-to-end testing with tools like Playwright and Selenium WebDriver
• Conduct performance and load testing using JMeter
• Maintain and expand test coverage for DB, backend, and frontend layers
• Collaborate with developers and QA team to continuously improve test strategies and practices
• Proactively identify quality improvements and take ownership of their resolution

Role's requirements
• 5+ years of hands-on experience in Automation QA, preferably with .NET and C#
• Strong knowledge of test automation frameworks and tools: NUnit, SpecFlow, Playwright, Selenium, JMeter, PyTest
• Solid experience in API testing (REST) and test automation across UI, integration/service layer, and databases
• Understanding of performance testing concepts and tools (e.g., JMeter)
• Experience in test automation for .NET backend and modern web frontends
• Proficiency in English
• Self-driven, proactive, and collaborative mindset
• Ability to identify and act on improvement opportunities autonomously
• Empathy and team spirit to support collaboration and collective success
• Experience with agile methodologies (Scrum, Kanban) and tools (Jira, Confluence)
• ISTQB certification is a plus
• Bachelor’s degree in Computer Science or related field

What we offer
• Personal career path
• Individual or team professional training
• Flexible working time
• Cooperation with top professionals around the globe
• Regular performance assessment
• Additional health and dental insurance
• Additional paid vacation days for students
• Regular team buildings and office parties
• Private parking zone
• Multisport card
• Game and relax zone

Why Sirma should be your choice
• Knowledge sharing
• Interesting case studies
• Referral bonus scheme
• Working with cutting-edge technologies
• Innovative and dynamic projects
• Sport events
• Charity campaigns
• Fruits at the office
• Opportunity to work from any Sirma office
• Large terrace with a great view

Apply now!
We are waiting for your CV!
There’s a lot going on at Sirma!
We're looking forward to meeting our next colleague :)

We will contact only the candidates selected for further consideration. Confidentiality is guaranteed. We thank all candidates for applying.