Full-Stack Developer (REF4999W)

DeutscheTelekomITSolutions

Budapest, Pécs, , Hungary Hybrid permanent

Posted: January 14, 2026

Quick Summary

As a Full-Stack Developer at Deutsche Telekom IT Solutions, you will be working on a wide range of projects, including developing and maintaining large-scale software applications, collaborating with cross-functional teams, and contributing to the company's mission to provide innovative IT solutions to customers in Europe.

Required Skills

Job Description

As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries.  

DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team. 

The Telekom Distribution Partner Portal (T-VPP) is the central entry point for both internal and external sales of Deutsche Telekom. Our distribution partners market all fixed-line and mobile products of Deutsche Telekom using the T-VPP system cluster, featuring a unified, dialog-driven web interface. It is also possible to connect proprietary frontends via the web service-based B2B interface.

Our team is looking for a motivated and skilled Full Stack Developer to join us in building robust, enterprise-level applications. You’ll be working with modern and legacy technologies across the stack, contributing to both backend and frontend development, and participating actively in Agile processes.

Your Responsibilities:

• Develop and maintain backend and frontend features
• Write clean, tested, and maintainable code (including unit tests)
• Collaborate with the team in all Agile ceremonies (daily standups, planning, refinement, poker, reviews, retros)
• Actively discuss and challenge business and technical requirements
• Communicate directly with Product Owner, Solution Architect and Business Analyst to clarify requirements

Our Tech Stack (TVPP Technologies):

• Backend: Java, Kotlin, Spring Boot, SOAP, REST
• New B2B-Monitoring: Spring Boot (Rest, Security, Data, Batch), ELK, Angular, Typescript
• Frontend: JSF/PrimeFaces, React, JavaScript, HTML5, CSS3
• DevOps & Infrastructure: AWS Cloud, Kubernetes, Docker, Oracle SQL
• Tools & Processes: Git, GitLab CI/CD, Maven, Gradle, NPM

Must-Have Skills:

• Languages & Frameworks:• 1–3 years of experience with Java, JavaScript, JSF, HTML5, CSS3
• Solid experience with Spring Boot and strong understanding of Spring IoC (lifecycle, scopes, AOP, bean post-processing)

• APIs & Integration:• Experience with SOAP and REST APIs

• DevOps & Infrastructure:• Hands-on experience with Docker and Kubernetes

• Tools & Practices:• Experience with Git and GitLab pipelines
• Proficient in writing unit tests (simple, integration, automated E2E)
• Familiarity with build tools like Maven, Gradle, and NPM
• Basic scripting in Unix shell (e.g., Bash)

• Security:• Understanding of authentication flows (OpenID, SAML, Web Session Cookies)
• Knowledge of SSL, WSS4J and general security principles

• Soft Skills:• Good communication skills
• Proficiency in technical English (written and spoken)

Nice-to-Have Skills:

• Experience with J2EE containers (e.g., Tomcat, JBoss)
• React.js, AngularJS or other modern UI frameworks
• AWS Cloud experience
• Familiarity with messaging systems like Kafka (JMS)
• Knowledge of other languages like Kotlin, Groovy, or Python
• Understanding of CI/CD practices
• Experience with testing tools (SOAP UI, Postman, Selenium, JMeter)
• Experience with project tools like JIRA and Confluence

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.

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