Application Developer - Java Spring Boot

Purpose

Develops new and maintains existing applications  in Java Spring Boot based on requirements of internal or external customers.

Your project:

You will be part of a B2B IT organization operating within an agile release train "Voice & Partner Products Provisioning". The final product enables the decomposition of product orders into service orders and the allocation and provisioning of underlying resources.

Your work will involve developing solutions such as virtual cloud-based Private Branch Exchanges (PBXs) and provisioning Over-The-Top (OTT) services like WebEx, Microsoft Teams, Zoom, and more. Additionally, you will contribute to integrating these platforms into the comprehensive Deutsche Telekom products for business customers in Germany.

Your team:

You will join a newly established, cross-functional Scrum team based in Košice. We are committed to fostering a strong DevOps culture under the motto: "We build it, we run it."

In this team, you will enjoy broad access to modern technology stack with freedom to choose (of course there will be some architectural guidelines), empowering you to make independent decisions while expecting a high level of ownership and commitment to delivery.

The team primarily works remotely, with in-person meetings required for sprint demos, planning, and retrospectives (typically every two weeks for 1 day in our offices in Košice), as well as Program Increment (PI) planning sessions held approximately every 3–4 months for 3 days locally or abroad.

WHAT WILL YOU DO?

• Analyse of customer’s requirements and propose overall application architecture incl. interfaces (e.g. REST API OAS), relation / document database structure, use of native cloud development approach etc.
• Perform complex business analysis in order to build application functionality easy for maintenance and future extension according to customer needs as business intelligent solution that implements business processes in automated form
• Develop backend applications or microservices according stories definition in chosen programming language (primarily Java Spring Boot or another Java application development framework)
• Beside new future development you will participate on application modernization, refactoring and decomposing of application from monolith to microservice architecture according to enterprise architecture guidelines
• Develop and run automated tests on various application levels, provides testing of programmed functionality before deployment in order to avoid bugs and ensure quality of code
• Write and update complex technical system documentation and business logic documentation (e.g. UML)
• Maintain application, support bug fixing
• Prepare GitLab CI/CD pipelines with DevOps engineers cooperation
• Perform deployments on cloud infrastructure, handle release management in order to provide regular upgrades of software
• Prepare and perform data migrations
• Contribute to knowledge base of developers 
• Make proposals for optimization of processes
• Proactively manage problem solving and root cause analysis
• Mentor junior/medior developers