Solution Architect (m/f/d) New Business Department

Deutsche Telekom AG; Województwo mazowieckie; On-site; PLN 140,000 - 240,000; Full time

Job summary

T-Mobile Polska in Warsaw seeks a Solution Architect to design and govern new ICT solutions. You will translate business and technical requirements into scalable architectures, define interfaces and data flows, and ensure compliance with architectural standards.

Collaborating with cross-functional teams, you will address risks and ensure security, performance, and maintainability. English skills at B2 level are required; early-stage involvement and autonomy are valued.

Qualifications

• Minimum 7 years of IT experience.
• Experience in the design of IT solutions or systems architecture.
• Excellent knowledge of the software life cycle and development team processes.
• Experience in designing integrations, APIs and inter-system communication.
• Good knowledge of non-functional issues: security, performance, scalability, availability.
• Ability to create clear technical and architectural documentation.
• Experience working with business, product owners, developers and delivery roles.
• Ability to make technical decisions and justify compromises.
• High autonomy, communicative and solution-oriented.
• English language proficiency at least B2 level.

Responsibilities

• Design of solution architecture for new functionalities, products and system changes.
• Analysis of business and technical requirements and their translation into the target solution.
• Define components, interfaces, integrations, and data flows.
• Cooperation with Enterprise Architect on standards and architectural direction.
• Cooperation with development teams to clarify feasibility and method of implementation.
• Identification of architectural, integration and technological risks.
• Addressing non-functional requirements such as security, performance, scalability and maintainability.
• Support work planning by indicating dependencies, constraints and recommended order of implementation.
• Documenting key architectural decisions and supporting their implementation.

Skills

Solution architecture

API design

Inter-system integrations

Non-functional requirements

Technical documentation

Tools

Architectural modeling tools

Job description

Job ID: 3543570Solution Architect (m/f/d) New Business DepartmentWarsawProfessionalApplication deadline: 30.12.2026Other Employment TypeT-Mobile PolskaYour TaskDesign of solution architecture for new functionalities, products and system changesAnalysis of business and technical requirements and their translation into the target solutionDefine components, interfaces, integrations, and data flowsCooperation with Enterprise Architect on compliance with standards and architectural directionCooperation with development teams to clarify the feasibility and method of implementationIdentification of architectural, integration and technological risksAddressing non-functional requirements such as security, performance, scalability and maintainabilitySupport work planning by indicating dependencies, constraints and recommended order of implementationDocumenting key architectural decisions and supporting their implementationYour ProfileMinimum 7 years of IT experienceExperience in the design of IT solutions or systems architectureVery good knowledge of the software life cycle and the realities of the work of development teamsExperience in designing integrations, APIs and inter-system communicationGood knowledge of non-functional issues: security, performance, scalability, availabilityAbility to create clear technical and architectural documentationExperience working with business, product owners, developers and delivery rolesAbility to make technical decisions and justify compromisesHigh autonomy, communicative and solution-orientedEnglish language proficiency minimum at B2 levelWelcomedExperience as a senior developer, tech lead or software architectExperience with microservice architecture, event-driven or integration systemsKnowledge of cloud, DevOps and CI/CD practicesExperience with legacy systems transformationKnowledge of architectural modeling tools and practicesExperience in an organization developing software for their own needsAbout UsWe are a new team that likes to create and operate in a startup/project system. We design new ICT solutions (products, services) and look for new solutions to old problems, verify, test, build and transfer for sale and maintenance. We focus on business customers and their needs. We act agile and cooperate with experts from every subject area.