Java Developer

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 design patterns and good practices.
• Building solutions using modern technologies.
• Investigating and fixing bugs in existing features across backend services.
• Participating in code reviews — both giving and receiving constructive feedback.
• Designing and maintaining database schemas while ensuring data integrity across changes.

• Solid experience with Spring Framework — minimum 3-4 years.
• Excellent command of Java and object-oriented programming (OOP).
• Experience with Spring Security and JWT (authentication/authorization).
• Experience with web technologies: JSP and/or JSF (XHTML), HTML/CSS/JS.
• Working with Tomcat (deployment, logs, configuration).
• Experience with Oracle DB (SQL, performance tuning).
• Writing and maintaining XML configurations, working with properties.
• Working with version control (Git / GitHub) and task/issue tracking (Jira).
• Experience with testing services/integrations (SoapUI or equivalent).
• Understanding of multi-module projects (Maven/Gradle)
• Experience with distributed caching and distributed locking strategies
• Fluent English – written and spoken
• Communication skills — you can clearly explain what you're working on and raise concerns without being asked
• A proactive mindset — you look ahead, spot issues early, and move things forward without waiting to be told

• Experience with containerization — Docker and/or Kubernetes, LDAP, Keycloak.

• 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.

Any questions? Contact Silviya Kamenarova.

Sounds good? Apply now!

Only shortlisted candidates will be contacted.