Automated supplier campaigns with an event-driven platform (Kafka), reducing end-to-end cycle time by ~85%.

Architected the company’s adoption of Apache Kafka, introducing a shared abstraction layer and domain-driven event taxonomy across microservices.

Standardized Kafka eventing with contract-first schemas via Confluent Schema Registry, reducing integration breaks and accelerating onboarding for new services.

Built a DLQ pipeline with exponential backoff and bounded retries and added Datadog instrumentation to improve system resiliency and failure visibility across services.

Refactored report generation using Node.js Streams and MongoDB cursors, reducing processing time by 30% and improving UI responsiveness for data-heavy reports.

AngularJS → React migration; designed a GraphQL layer across 20+ services to simplify integrations and accelerate delivery.

Built a React component library + Storybook CI (adopted by 5+ teams) and trimmed JS bundles by ~20% via Core Web Vitals budgets.

Modernized legacy APIs by refactoring monolithic endpoints into Node.js AWS Lambda microservices, improving scalability and reducing operational overhead.

Added versioned Swagger/OpenAPI documentation to standardize API contracts and streamline frontend and internal integrations.

Collaborated across teams to align API structures with frontend needs, improving consistency and reducing integration bugs.