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Deutsche Telekom IT Solutions Slovakia

Designs and operates enterprise technology services

Senior Application Developer - Java Spring Boot

Backend EngineeringConfirmed live in the last 24 hours
Full-timeKošice, Slovakia

About the Job

Requirements

  • At least five years of experience with complex application landscapes.
  • Expert-level experience programming with Java Spring Boot.
  • Experience with MapStruct, Lombok, Liquibase, OpenAPI Generator, and WireMock.
  • Experience with Git, Maven, Gradle build tools, and UML.
  • Experience with SQL and NoSQL databases, including PostgreSQL, MongoDB, or Firestore.
  • Experience with at least one of AWS, GCP, or Open Telekom Cloud.
  • Experience with REST APIs, message-based communication, and an API-first approach.
  • Experience with the Scrum software development methodology and Jira.
  • Upper-intermediate (B2) English proficiency.

Responsibilities

  • Analyze customer requirements and propose application architecture, including interfaces such as REST APIs, relational or document database structures, and native cloud development approaches.
  • Perform complex business analysis and build maintainable, extensible application functionality that implements business processes in an automated form.
  • Develop backend applications or microservices according to defined stories, primarily using Java Spring Boot or another Java application development framework.
  • Modernize applications, refactor them, and decompose monoliths into microservice architectures in accordance with enterprise architecture guidelines.
  • Develop and run automated tests at multiple application levels and test functionality before deployment to prevent bugs and ensure code quality.
  • Write and update complex technical system and business logic documentation, such as UML documentation.
  • Maintain applications and support bug fixing.
  • Prepare GitLab CI/CD pipelines in cooperation with DevOps engineers.
  • Deploy to cloud infrastructure and handle release management to provide regular software upgrades.
  • Prepare and perform data migrations.
  • Contribute to the developers’ knowledge base.
  • Propose process optimizations.
  • Manage problem solving and root cause analysis proactively.
  • Mentor junior and mid-level developers.

About the Company

Deutsche Telekom IT Solutions Slovakia

Designs and operates enterprise technology services

Deutsche Telekom IT Solutions Slovakia designs and operates information and communication technology services for international companies and the Deutsche Telekom group. Its work spans business applications, SAP systems, cloud infrastructure, communications networks, and shared IT services. Teams support customers through technical design, development, implementation, and the ongoing administration of systems used in business operations. The company also supplies security services, including protection for networks, applications, and business data. Founded in 2006 as T-Systems Slovakia, the operation adopted its current shared brand in 2020 and lists its headquarters in Košice-Juh, Slovakia.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Košice-Juh, Slovakia
Founded
2006

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