Cloud Architect (Application and Middleware) at SopraSteria1

We are looking for a Cloud Technical Architect/Senior Cloud Architect to join the Sopra Steria Poland team with deep specialization in PHP and Apache Tomcat runtimes to join the client’s Architecture team. This is a technical leadership position requiring both the strategic vision to drive platform modernization and the hands-on expertise to deliver actionable, squad-ready architecture across a hybrid environment spanning private and public clouds. Responsibilities:​ • Own and maintain the reference architecture for the COSMOS application and middleware layer, covering PHP-FPM, Apache Tomcat, and Apache HTTP Server. • Define and document standards for multi-application deployment across all supported runtimes, resolving current inconsistencies between the PHP stack and the broader middleware capability set. • Lead the technical design of containerization for Kubernetes, including image standards and runtime configuration management. • Author Architectural Decision Records for application-layer technology decisions. • Define the integration approach for application-layer services with platform tooling, including API gateways, automation engines, and service catalogues. • Assist with designing future private cloud offerings and defining sovereign cloud requirements as they relate to the application and middleware layer. • Define observability requirements for application-layer services, including logging, metrics, and tracing integration. • Collaborate with the Solution Architecture team and Product Office to translate customer requirements into application-layer designs represented in the COSMOS service catalogue. • Evaluate emerging middleware technologies and provide adoption recommendations to the Architecture Office. • Provide guidance and mentorship to other architects and DevOps squads adopting application-layer and container-native technologies. Tech stack on the project:​ Kubernetes, Apache Tomcat, JVM tuning, PHP runtime, PHP-FPM, Apache HTTP Server, Nginx, Ansible, Terraform, Crossplane, Tyk, Kong, Prometheus, Grafana, ELK Stack, Dynatrace, ADRs, reference architectures, technical standards