Domingo Junior R.
Backend & Integration Engineer | .NET 8, Java Quarkus, OpenShift
Top Rated backend engineer with 100% Job Success. 5+ years building REST APIs and microservices for banks and insurers. Currently contracting with AmTrust North America (USA) on .NET 8 claims services, and previously at Banreservas building Quarkus integrations on OpenShift. WHAT I DELIVER ā¢ Backend APIs with .NET 8 / ASP.NET Core: Clean Architecture, SOLID, maintainable code ā¢ Java microservices with Quarkus and Spring Boot: REST endpoints, validation, OpenAPI documentation ā¢ Enterprise integrations: Apache Camel, RabbitMQ, IBM MQ, Kafka, SOAP to REST modernization, API gateways ā¢ SQL performance: query optimization, indexn SQL Server, Oracle, PostgreSQL ā¢ Security and auth: OAuth2/OIDC, JWT, Keycl ā¢ Containers and delivery: Docker, Kubernetes, OpenShift, Azure DevOps, CI/CD pipelines ā¢ Observability and production support: Dynatrace, structured logging, distributed tracing, incident triage I work in regulated environments where downtime is measured and every change has to be documented and reversible. Fluent English, daily standups with US teams, and responses within 4 hours. Tell me your goal (new API, modernization, performance, integration, or stabilization) and I'll come back with a cle reliable iterations.