For one of our Partners, supporting a project for an EU Organisation in Warsaw, we are looking for an experienced Solution Architect for long-term cooperation.The Solution Architect will be responsible for defining, designing, and maintaining the architecture of large enterprise-class systems. The role includes translating business and technical requirements into comprehensive architectural solutions, ensuring system interoperability, and establishing standards for design, development, quality, and security. The architect will analyse existing systems, identify optimal technological options, lead architectural decision-making, support development teams, and oversee the entire system lifecycle. They will also prepare documentation, present architectural concepts to stakeholders, and optimise systems in terms of performance, security, and quality.Typical tasks and responsibilities:Setting standards in the areas of design, development, quality, and testingDesigning and communicating system architectureDesigning interoperability and interfaces with other systemsGathering needs and analysing requirementsTranslating business, user, and technical needs into architectural solutionsMapping business goals, project benefits, priorities, components, and system featuresAnalysing existing systemsIdentifying options for potential solutionsMaintaining and monitoring architecture throughout the system lifecycleEstimating and sizing development workSupporting system design, testing, QA, and change managementPreparing system documentation and delivering presentationsLeading development teams and development processesSelecting and evaluating technologiesCollecting and interpreting system metricsOptimising systems in terms of performance, security, and qualityKnowledge and skills:Experience as a key architect in at least 2 system development projects (1 for the basic profile)Expertise in system architecture within the relevant domainExpertise in designing enterprise-level systemsExpertise in capacity planning and system securityExcellent technical knowledge of: databases, application servers, communication middleware, web servers, GIS services, directory services, system security on Microsoft platforms, BI concepts, system integration, and IDEsExpertise in UML designExpertise in software development methodologies (RUP, ISO12207, Agile)Proficiency in system modelling tools (e.g., Sparx Enterprise Architect, Aris Architect)Languages: English min B2+Excellent communication skillsAbility to prepare documentationStrong analytical and problem-solving skillsLeadership skillsSpecific requirements:Practical experience in designing and developing large-scale systems in a microservices architecturePractical experience in designing and developing large knowledge systemsPractical experience in developing custom .NET-based solutionsPractical experience with technologies such as Kafka, SQL Server, Redis, OpenShift/Kubernetes, Microsoft Azure DevOpsPractical experience with Microsoft Azure technologies and solutionsAdditional requirements:EU citizenship (mandatory)Education: Master’s degree in ICT or equivalentMinimum 8 years of IT professional experienceMinimum 5 years of relevant project experience in a similar rolePersonal Security Clearance “CONFIDENTIEL UE” (procedure must be initiated within the first 45 days of the assignment)Required certificates:Candidates must hold at least two of the following:Master-level certificate in a relevant technology or architecture domain (e.g., TOGAF Certified)Certified UML Professional (foundation level)An equivalent internationally recognised certificate (subject to acceptance by the Contracting Authority)Offer:Long-term B2B contract with Shimi (approx. 4 years, with the possibility of extension)Rate: 480–500 EUR/MD netBenefits: LuxMed and Multisport packageWork model: occasional visits to the Warsaw office (up to 12 days per quarter)