Full-stack Developer (C#/Angular/Go)

Did you know that A1 Bulgaria is working on international projects as well?

Our wide portfolio has long past the telecom services, and we are now offering digital solutions to millions of corporate, public, and private customers.

State-of-the-art technology, the latest innovations, and extremely talented professionals in various areas help us deliver the best-in-class products, services, and customer experience.

You’ll know A1 Bulgaria is 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.

Hamzi El – Zein is looking for a new team member.

Your Daily Routine Would Include

• Designing and implementing new features end-to-end within a cross-functional squad, following established design patterns and engineering best practices.
• Building scalable solutions across both frontend and backend using modern technologies.
• Developing and maintaining web applications, APIs, and supporting services.
• Investigating and fixing bugs in existing features across the full stack.
• Designing and maintaining database structures while ensuring data consistency, performance, and reliability across changes.
• Collaborating closely with product, design, and engineering teammates to deliver high-quality solutions.

• Solid experience with C# / .NET — minimum 3–4 years.
• Strong experience with Angular and modern frontend development practices.
• Hands-on experience with Go for building backend services or APIs.
• Strong knowledge of HTML, CSS, and JavaScript/TypeScript.
• Experience working with relational databases and writing efficient SQL queries.
• Experience with Git / GitHub and task/issue tracking tools such as Jira.
• Familiarity with microservices or distributed systems architecture.
• Experience with CI/CD pipelines and modern development workflows.
• Comfortable working across multiple codebases and technologies in a single product environment.
• Fluent English — written and spoken.

• Experience with Docker and/or Kubernetes, cloud platforms, message brokers, unit/integration testing frameworks, and monitoring/logging tools.

• Innovative technologies and platforms to “play” 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.

Sounds good? Apply now!

Any questions? Contact Nadya Georgieva.

Only shortlisted candidates will be contacted.