Saurabh Namdev

Design and implement secure, reliable payment gateway integrations supporting high-volume financial transaction flows. Build and maintain backend payment microservices in Java and Spring Boot, ensuring accurate transaction processing, reconciliation, and financial data integrity.

Designed and implemented outbound data flows for multiple CRM systems, built Kafka producers and consumers for asynchronous processing, and optimized backend microservices. Introduced Redis caching, reducing API response times from roughly 1s to under 100ms.

Designed and implemented the security layer across backend microservices, delivering a dual authentication model with Auth0 JWT for new integrations. Optimized API performance and database queries.

Led design and delivery of a full-stack, microservices-based platform, owning system architecture and defining API contracts. Drove adoption of event-driven architecture with Kafka and led a team of engineers.

Developed and maintained backend services for marketplace app lifecycle operations, implemented an Admin Service for secure role-based management, and built Slack notification workflows. Worked across Java and Ruby services with MongoDB and GraphQL.

Designed and enhanced REST APIs for app discovery and configuration, built admin dashboards, and implemented event-driven handlers and notification workflows. Implemented backup and restore functionality using Java Streams.

Built a reusable payment gateway library and integrated Stripe, Braintree, and Authorize.Net within a dedicated Payment microservice. Designed and implemented backend microservices including Payment, Client, Prayer, Notification, Control Panel, and Gateway services.

Developed backend APIs for proposal creation, invoice generation, purchase orders, and cost analysis. Built admin dashboards with Spring Security role-based access and deployed on Red Hat OpenShift.

Built backend microservices and UI workflows for a doctor-discovery portal with specialty, location, and availability filtering using Google Maps APIs. Led a small development team.

Profiled and reworked backend processing pipelines to increase throughput in high-volume payment batch flows. Applied asynchronous processing with CompletableFuture and LinkedBlockingQueue, and designed secure file upload/download workflows on AWS S3.

Migrated legacy Java applications and optimized application logic and database interactions, reducing report generation time by 70%. Designed and delivered an end-to-end Rule Approval module for Excel-based rule configuration upload.

Optimized complex Oracle stored procedures to speed up processing of large incentive calculation datasets. Implemented transaction management with MyBatis and migrated legacy Java codebases.

Bachelor of Engineering in Computer Science and Programming from Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, India, completed in March 2015.