Strength. Care. Growth

A1 Competence Delivery Center is a vital component of A1’s telecommunications business. Acting as an expertise hub, CDC is dedicated to delivering a full range of high-quality IT, network, financial and other services to support A1’s operations across all OpCos, independent of location.

Using the power of being OneGroup and leveraging synergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’ enhancement, paired with job stability.

You will know we are the right place for you, if you are driven by:

• Opportunities to learn and build your career.
• Meaningful work in a stable and fast-paced company.
• Diversity of people, projects, and platforms.
• A supportive, fun, and inspiring place to work.

Would you like to join us?

Boyan Tsanev is looking for a new team member.

Job Purpose:

We are seeking a QA Engineer to drive quality engineering across our software delivery lifecycle. In this role, you will lead our test automation strategy, architect robust API and database validation suites, and establish quality standards across complex, scalable applications.

Role insights:

• Automation & Architecture: Design, build, and maintain scalable automated testing frameworks (web and API) to accelerate release cycles and maximize regression coverage.
• Test Strategy & Quality Standards: Define comprehensive test strategies, risk-based testing plans, and acceptance criteria from complex functional and architectural specifications.
• API & Data Integrity: Architect end-to-end API validation workflows using Postman/Swagger and execute complex SQL validation scripts to audit data pipelines.
• CI/CD & DevOps Integration: Integrate automated test suites directly into continuous integration and deployment pipelines (Jenkins/GitHub Actions) for immediate feedback loops.
• Leadership & Mentorship: Guide daily QA activities in Jira/GitHub, mentor junior team members, and champion best practices in Git workflows and test automation.

What makes you unique:

• Experience: 3+ years of hands-on software QA experience, with a proven track record in both manual and automated testing.
• Automation: Proficiency in test automation frameworks (Cypress, Playwright, or Selenium) and scripting (Python or JavaScript).
• Advanced REST API testing (Postman, Swagger, mock servers) and intermediate-to-advanced SQL scripting for data verification.
• CI/CD & DevOps: Hands-on experience integrating automated tests into GitHub Actions, Jenkins, or similar CI/CD platforms.
• Exceptional problem-solving for complex edge cases, architectural mindset, strong ownership, and fluent English communication.

Nice to have:

• Performance & Security: Experience with load/stress testing tools (e.g., JMeter, k6) or basic security testing standards.
• Methodology & Certifications: Advanced Agile/Scrum experience or ISTQB Advanced Level certification.
• Cloud Infrastructure: Exposure to containerized testing environments using Docker.

Our gratitude for the job done will be eternal, but we’ll also offer you:

• Innovative technologies and platforms to work with.
• Modern working environment for your comfort.
• Friendly, ambitious, and motivated teammates to support each other.
• Thousands of online and in-person learning opportunities to grow.
• Challenging assignments and career development opportunities in multinational environment.
• Attractive remuneration package.
• Flexible working schedule and opportunity for home office.
• Numerous additional goodies, including, but not limited to free A1 services, discounts, health insurance and services, sports center, childcare, team and family events, etc. 

If you have any questions,  please do not hesitate to contact Mariya Ivanova.