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EU remote

Senior Software Solution Designer - (m/f/d)

skPosted 16 Oct 2026

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About this role

Project Introduction We are looking for an experienced Software Solution Designer to join our international team and contribute to the development and continuous improvement of a strategically important system within the Deutsche Telekom Group. The project supports the planning, construction, inventory, configuration, operation, and optimization of mobile radio networks. Its applications and services provide a consistent data foundation for internal systems and support collaboration with external partners across the mobile network lifecycle.

WHAT WILL YOU DO: Translate business needs and customer requirements into effective, scalable IT solutions. Analyze and refine requirements, user stories, business processes, and functional specifications. Design end-to-end solutions for mobile radio network infrastructure across applications, services, APIs, and system interfaces. Decompose complex requirements into clear, development-ready solution components. Create and maintain solution designs, process models, interface specifications, and system documentation.

Identify involved systems, interface partners, dependencies, and integration impacts. Define and assess relevant non-functional requirements, including performance, security, availability, and maintainability. Design and validate REST API interactions, data flows, and mappings. Analyze existing mobile radio network systems and identify opportunities for improvement and simplification. Evaluate solution alternatives and communicate recommendations to business and technical stakeholders.

Collaborate closely with Product Owners, business analysts, developers, architects, DevOps teams, and system engineers. Support implementation, testing, rollout, and continuous improvement of the solution. Contribute to a clear, consistent, and maintainable system landscape. Document and communicate solution principles, guidelines, and design decisions. YOU WILL SUCCED IF YOU: Have at least five years of experience in solution design, software architecture, business analysis, or a related role within complex IT environments.

Have experience designing business applications and end-to-end IT solutions across multiple systems. Understand microservice-based architectures, distributed systems, and API-driven integration. Are able to analyze system dependencies, integration patterns, business processes, and technical constraints. Can create clear models and diagrams using UML and BPMN, including process, activity, sequence, and use-case diagrams.

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Have experience defining functional and non-functional requirements and turning them into implementable solutions. Are familiar with REST APIs and tools such as Swagger or Postman. Have experience working with Agile methods, such as Scrum, in cross-functional teams. Are confident communicating in written and spoken English at least at B2 level. Would be nice to have: Knowledge of mobile telecommunications or mobile radio network infrastructure.

Experience contributing to IT guidelines, solution blueprints, or architecture documentation. Experience supporting testing, implementation, and rollout activities. IT Technical Skills Solution design and architecture, Business and system analysis End-to-end IT solution design Microservice architecture REST APIs and system integration, UML and BPMN Agile methods and Scrum, Jira, Confluence, and Enterprise Architect IT service and business process understanding Soft skills Strong communication, presentation and organizational skills Analytical and structured thinking, Result orientation Customer and business orientation Problem-solving and decision-making Collaboration and knowledge sharing Conflict management and diplomacy Other Skills Organisational skills Diplomacy Project management Other criteria or requirements Work collaboratively with others to achieve goals Be a persistent, creative problem ­solver Remain cool and effective in a crisis Understand business needs and know how to create the tools to manage them Extensive knowledge of business environment and IT, business process, organization, implications of changes Experience in business analysis, business process design and end-to-end IT solution design Experience in introducing comprehensive IT solutions in a complex IT application landscape, analyzing and preparing a new solution, testing, participation in roll outs Experience in creating topic-specific IT guidelines and blueprints and communicating/consulting this content with system users Benefits We believe in balance between work and personal life.

An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life, promotes physical and mental well-being and contributes to a positive work environment. All this with the aim of providing more freedom in reconciling work, career growth, private life and individual lifestyle. Therefore we offer to our employees over 25 different benefits to improve their personal and professional life in these areas: Financial benefits Benefits with focus on learning and development Benefits with focus on health and sport Benefits with focus on family and work – life balance Other benefits For more information about our benefits click to Benefits Salary Final salary is negotiable.

We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 2500 € /brutto. Additional information * Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation. Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley.

We have managed to grow from scratch to the second largest employer in the eastern part of the country with more than 3900 employees. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services.

Source listing: smartrecruiters_deutschetelekomitsolutionsslovakia

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