Ratikant Patil

Built and enhanced connector network management platform for project44 LTL services.

• Conducted investigation and formulated an RFA for migrating tracking updates mechanism from pull to push based through Kafka, aiming significant latency decrease.

Team Overview: Plutus is a digital-led bank and payments offering built on Zeta’s cloud-native, integrated modern core banking and payments SAAS platform. Co-developed a reliable E-commerce ecosystem and worked on Payments Experience system for Plutus (PayZapp HDFC).

PAYMENTS EXPERIENCE

Supervised backend services driving comprehensive payments functionality via Payzapp.

• Spearheaded the migration of all payments experience backend services from JDK 8 to JDK 17, enhancing performance and stability by upgrading web servers from Jetty to Tomcat.
• Designed a payment collection system empowering merchants to configure payment reminders and automate recurring payment mandates, estimated to increase the number of active transacting users.

E-COMMERCE

Co-developed a Bill Payments module with maintained scalability of over 20 million users and 20 thousand active billers.

• Utilized spring state machine and transaction locker to efficiently maintain and service ~1 million bill payments per month.
• Stepped in to set up an internal mocking tool using MBtest to aid performance testing and automating health metrics.
• Led the team to design and build a payment reconciliation and settlement platform.
• Collaborated with bank MODs to automate daily biller settlement reports.
• More than a 99% reduction in manual bill payment refunds.
• Designed a configurable workflow to auto-recheck payment status for merchant payments hanging in the pending state, thereby improving overall customer experience.
• Migrated scheduled events from the internal OpenWhisk serverless platform to a Cassandra-based scheduler.
• Volunteered for Closed User Group (CUG) testing campaigns, and team-building hiring drives to enhance collaboration and product quality.

PAYTM TRAVEL (HOTELS)

• Incorporated convenience fee and service fee charges bringing in more revenue per ticket than before.
• Designed self-cancellation flow through the app, reducing manual service tickets by 90%
• Migrated monitoring systems from Datadog to Prometheus.
• Enhanced hotelier platform by optimizing bulk upload functionality.

PAYTM E-COMMERCE

• Engineered Spark applications to implement an in-house recommendation widget 'Related Products' for Paytm Mall PDP, based on product attributes similarity.
• Utilized Spark Streaming jobs to persist live product interaction in the redis cluster.
• Developed spark jobs to periodically ingest data to AWS Personalise.
• Introduced cross-category funnel metrics analysis to scope customer interaction.
• Observed an overall increase of 0.9% in the visitor conversion funnel.
• Remodeled personalization based on demographics drawn from user interaction data lake.
• Reduced customer feed drop off by implementing configurable boost score for most selling category products.