Backend Python Developer (f/m/d) @ A1 Competence Delivery Center

Bulgaria | Sept. 1, 2026

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Company: A1 Hrvatska

Country: Bulgaria

Type: Onsite

Employment: Full Time

Description: Strength. Care. GrowthA1 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.Job Overview:We are seeking a Python Developer to design, build, and maintain backend applications. You’ll enhance existing systems, ensure smooth frontend integration, and collaborate with teams to deliver scalable, high-quality solutions. The role also involves improving CI/CD processes and code quality.Role Insights:Design and build backend tools and applications from scratch.Enhance and maintain existing systems to improve performance and scalability.Collaborate with internal teams to define requirements and align technical solutions with business goals.Integrate seamlessly with frontend components (React/Angular).Troubleshoot, debug, and refactor legacy codebases.Contribute to CI/CD initiatives and continuous code quality improvements.What Makes You Unique:Over 2 years of experience as a Python Developer.Strong proficiency in MS SQL and Git.Familiar with tools such as Jira, Bitbucket, GitHub, and Azure Repos.Committed to high coding standards with excellent English communication skills.Nice to Have:Hands-on experience with React or Angular.Working knowledge of Kubernetes, FastAPI, and ETL/data integration processes.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 for you to grow.Challenging assignments and career development opportunities in a multinational environment.Attractive compensation package.Flexible working schedule and opportunity for home office.Numerous additional benefits, including, but not limited to free A1 services.If you have any questions, please do not hesitate to contact Mariya Ivanova.

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