Backends that
hold up at
scale.

A multi-tenant, white-label platform for managing Google Business Profiles — reviews, posts, profile updates and insights, with AI doing the repetitive work. I led it from architecture to production.

gmbinsight.digitalmbg.com

• 01Designed the service boundaries: Auth, Tenant, GMB Core, Posting and Notification, behind Kong API Gateway.
• 02Integrated Google Business APIs for reviews, posts, profile management and business insights.
• 03Built AI auto-replies, AI image generation and festival post scheduling.
• 04Event-driven workflows and a notification service that keep every tenant in sync.

Messaging automation for businesses across WhatsApp, Facebook and Instagram — broadcasts, AI replies, message sequences and follow-ups, with a Flutter app on top.

app.digitalmbg.com

• 01Handled millions of real-time messages with throughput control, rate-limit handling and reliable processing.
• 02Integrated Meta APIs plus third-party platforms including Zoho and Shopify.
• 03Built broadcasting, AI replies, message sequences, follow-ups and social post scheduling.
• 04Supported the Flutter mobile app and push notifications.

MBG Card’s internal CRM for employees, customers, sales, payments and service delivery — built as Spring Boot microservices.

taskcrm.mbgcard.com

• 01REST APIs with Spring Security and JWT; Eureka service discovery.
• 02Payment gateway integration for billing and customer operations.
• 03Database design, API integration, deployment and production support.

A Flutter mobile app I built as a freelance project outside my full-time role, published on both Google Play and the App Store.