Hiring.Camp

Application Engineer with Java

A1Group

·

May 19, 2026

Location
София, бул. Черни връх 51 Б, Bulgaria
Workplace
Hybrid
Type
Full-time
Department
Engineering
Closing date
Jun 17, 2026
Source
Workday

Description

Strength. Care. Growth

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.

Would you like to join us?

Ilko Kostadinov is looking for a new team member.

Your daily routine would include:

  • Working with internal customers to identify and define requirements for new solutions.
  • Improving and configuring the application functionality to meet business needs.
  • Working closely with Business Analysts to deliver quality software releases;
  • Development and configuration of Inventory Operational Support Systems (OSS).
  • Supporting OSS production systems and platforms.
  • Coordinating non-standard solutions with users and internal development units.
  • Automation and orchestration of operational tasks.
  • Root cause analysis of resolved issues.
  • On-call duties per schedule.

We’ll know you can make it if you have:

  • Extensive experience in Java-based OOP development.
  • Solid experience with Spring Framework.
  • Solid understanding of relational databases (e.g., Oracle, SQL Server) and ORM frameworks.
  • Experience with testing services/integrations (SoapUI, REST, etc.).
  • Understanding of multi-module projects (Maven/Gradle).
  • Experience with containerization — Docker and/or Kubernetes.
  • Experience with Version control (e.g., GitHub).
  • Team-oriented with good communication skills.
  • Fluent in English (German is a plus).

Nice to have:

  • Experience with Spring Security and oauth.
  • Experience with web technologies: JSP and/or JSF (XHTML), HTML/CSS/JS.
  • Working with Tomcat (deployment, logs, configuration).
  • Experience with CI/CD pipelines, DevOps tools (e.g. Jenkins).

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

  • 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.


    Not sure yet? See us in action in our A1 Blog.
    Any questions? Contact Simeon Kostov.

    Sounds good? Apply now!

    Only shortlisted candidates will be contacted

    Skills

    JavaDockerKubernetesJenkinsCI/CDSQLOracleSQL ServerGitHubRESTOAuthDevOps

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