Led backend services for Business Insights, enabling analytics in Zettle. Delivered secure reports, aligned services across brands, and supported legacy code. Used Java, Spring Boot, REST, GraphQL, SQL, Kafka, AWS, Docker, Kubernetes, CI/CD.

Built and evolved backend services for analytics/reporting in Zettle app. Delivered secure, compliant data flows and APIs. Migrated to JUnit 5, refactored legacy code, and contributed to brand unification. Used Java 11/17, Spring Boot, REST/JSON, Microservices, SQL, Kafka, AWS, Kubernetes.

Owned requirements, implementation, and handover for R&D portal. Conducted backend architecture benchmarks. Developed Java/Python APIs, React UI, and AWS workloads. Used Agile/Scrum, Git, CI/CD, unit/integration testing.

Built customer acquisition portal end-to-end. Compared backend architectures for IoT monitoring. Implemented Java/Python services in AWS Lambda, React UI, and AWS deployments. Improved code quality and delivery cadence.

Full stack engineer for Voice Portal platform. Designed and implemented voice solutions, resolved production issues, improved reliability, and led Proxy Project from concept to deployment.

Developed and supported scalable telephony solutions. Architected Proxy Project, implemented SSO for VoIP, ensured security and performance. Used Java8, Spring, Microservices, SQL, React, SCRUM.