Gires Ntchouayang

• • Own a platform-wide Keycloak IAM capability used across 8+ business domains, enabling secure and scalable authentication and authorization for multiple teams.

• • Plan, configure, deploy, and maintain Keycloak as a shared platform service, including SSO, identity federation, and integrations based on OIDC, OAuth2, SAML, and LDAP/AD.

• • Reduced onboarding effort and improved separation of concerns by enabling teams to manage their own realms independently after platform onboarding.

• • Design domain models and APIs for backend services in greenfield, integration-heavy, event-driven, and regulatory banking contexts while remaining hands-on in delivery. Tech: Keycloak, Java, Spring Boot, JavaScript/TypeScript, Vue.js, OAuth2, OpenID Connect, Kubernetes, Helm, GitLab CI, Kafka, etc...

• • Contributed to the design and implementation of a B2B sales platform covering offer steering, product management, equivalence checks, and product approval workflows.

• • Developed backend and frontend functionality with Spring Boot and Vue.js in an agile delivery environment.

• • Implemented GitLab CI pipelines and Helm charts to support automated delivery and consistent Kubernetes deployments.

• • Built event-processing and batch solutions with Kafka and Spring Batch, and supported observability and operational stability with Prometheus, Grafana, Kibana, and Geneos.

Tech: Java, Spring Boot, Vue.js, Kafka, Spring Batch, Keycloak, Kubernetes, Helm, GitLab CI, etc...

• • Delivered Open Banking and API platform engineering solutions for DKB AG, designing and implementing services and APIs to expose banking and master data from core banking systems.

• • Provisioned and maintained WSO2 API Manager and WSO2 Identity Server in Kubernetes using Helm charts and Ansible playbooks.

• • Designed integrations with third-party providers for signature services and SMS delivery, and contributed to database modeling, migration, and automated CI/CD delivery.

• • Worked across backend and internal tooling with Java, Kotlin, Spring Boot, Angular, and TypeScript, with strong emphasis on maintainability, API management, and delivery quality.

• • Applied a strong testability mindset across component, integration, and end-to-end levels, including Karate-based automated testing. Tech: Java, Kotlin, Spring Boot, WSO2 API Manager, WSO2 Identity Server, Kubernetes, Helm, Ansible, Angular, TypeScript