Senior Application Developer - Java Spring Boot (m/f/d)
Deutsche Telekom IT Solutions Slovakia5 months ago
Košice, SlovakiaSenior
Responsibilities
- Analyze customer requirements and propose application architecture, interfaces, database structures, and cloud-native development approaches.
- Perform business analysis and build maintainable, extensible applications that automate business processes.
- Develop backend applications and microservices primarily with Java Spring Boot.
- Modernize, refactor, and decompose monolithic applications into microservices.
- Develop and run automated tests and verify functionality before deployment.
- Write and maintain technical system and business-logic documentation, including UML documentation.
- Maintain applications, fix bugs, and perform root-cause analysis and problem solving.
- Prepare GitLab CI/CD pipelines in cooperation with DevOps engineers.
- Deploy applications to cloud infrastructure and manage software releases.
- Prepare and perform data migrations.
- Contribute to the developer knowledge base and propose process optimizations.
- Mentor junior and mid-level developers.
Requirements
- At least 5 years of programming experience with Java Spring Boot in complex application landscapes.
- Expertise with MapStruct, Lombok, Liquibase, OpenAPI Generator, and WireMock.
- Experience with Git, Maven, Gradle, and UML.
- Experience with SQL and NoSQL databases, including PostgreSQL, MongoDB, and Firestore.
- Experience with at least one of AWS, Google Cloud Platform, or Open Telekom Cloud.
- Knowledge of REST APIs, message-based communication, and an API-first approach.
- Experience with Scrum software development and Jira.
- Upper-intermediate English proficiency at B2 level.
- Strong communication, teamwork, and analytical-thinking skills.
Benefits
- Extra two days off.
- Discounts on products and services such as internet and mobile services.
- Primarily remote work from Slovakia and selected EU countries, with remote work ultimately limited to Slovakia due to European taxation regulations.
- In-person sprint demos, planning, and retrospectives typically take place every two weeks for one day in the Košice offices.
- Program Increment planning sessions take place approximately every three to four months for three days locally or abroad.
- Access to more than 25 benefits covering financial support, learning and development, health and sport, family support, work-life balance, and other areas.
- Base salary of €3100–3700 gross per month, plus a variable component and other financial benefits.
Categories
About Deutsche Telekom IT Solutions Slovakia
Deutsche Telekom IT Solutions Slovakia provides IT outsourcing and managed services to corporate clients, with specialties in cloud, applications, SAP, network, and service management. Operating as part of Deutsche Telekom Group, it serves customers primarily in Germany and across the EU, delivering end-to-end enterprise processes such as order-to-cash and procure-to-pay. The company is headquartered in Košice‑Juh, Slovakia, and combines consulting, project delivery, and ongoing operations support.