I am Ronald Otwoma, a results-driven Microservices Engineer with 7+ years of experience designing and implementing scalable fintech solutions.
I am Ronald Otwoma, a results-driven Microservices Engineer with 7+ years of experience designing and implementing scalable fintech solutions. I specialize in building production-grade backend systems using Java Spring Boot, Python, and modern microservices architectures, delivering secure, high-performance platforms in regulated environments.
I have a strong track record in infrastructure modernization, DevSecOps, API development, and cloud-native engineering, with expertise in CI/CD automation, observability, and security. I enjoy solving complex problems, collaborating across teams, and driving continuous delivery and operational excellence.
I developed bidleo using python Flask, Nextjs, Google cloud run, google pub.sub. was responsible for coordinating the team and developing the backend and front end . the project could handle high traffic of 200k+ requests per month. It was a success
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Led the design, development, and deployment of an enterprise-grade microservices architecture supporting financial services and digital payment platforms. Drove infrastructure modernization, cloud migration to AWS, and Kubernetes-based orchestration for 50+ services. Implemented Istio service mesh for observability, traffic management, and security; designed asynchronous processing pipelines using Apache Kafka and RabbitMQ; built RESTful and gRPC services per OpenAPI specifications; integrated ISO 20022 message standards and SWIFT for cross-border payments; implemented PCI-DSS and GDPR-compliant security and audit logging; deployed blue/green and canary deployment strategies; established CI/CD pipelines with Jenkins, GitLab CI, GitHub Actions, and ArgoCD; implemented comprehensive monitoring with Prometheus, Grafana, ELK, and OpenTelemetry.
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