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# Vinay Pusuluri

**Headline:** Professional profile
**Location:** Dallas, TX, USA

## About

Vinay Pusuluri is a software engineer focused on Java\-based, event\-driven payment systems\. Vinay’s core backend stack includes Java, Spring Boot, Spring MVC, Spring Security, Hibernate, JPA, and ORM, with PostgreSQL and Kafka supporting reliable asynchronous service communication\. Vinay is strongest in designing choreography\-based microservices that maintain independent databases while coordinating work across services\. In payment processing, Vinay has worked with ACH transactions, settlements, merchant reconciliation, and external payment\-provider integrations, including ACI Worldwide\. Vinay applies choreography\-based Saga patterns, idempotency controls, compensating events, and retry strategies to support resilient workflows\. Vinay has also addressed Kafka duplicate\-event and race\-condition challenges during partition rebalances by using database\-layer idempotency, including PostgreSQL unique constraints and atomic upsert operations\. Beyond backend systems, Vinay is comfortable building frontend interfaces with Angular, React, and JavaScript\.

## Highlights

- Designed choreography\-based microservices with independent databases and cross\-service coordination\.
- Built and supported payment\-processing workflows involving ACH transactions, settlements, and merchant reconciliation\.
- Integrated with external payment providers, including ACI Worldwide, with retry and error handling\.
- Solved Kafka duplicate\-event and race\-condition challenges during partition rebalances through database\-layer idempotency\.
- Used PostgreSQL unique constraints and atomic upsert operations to support idempotent event processing\.
- Applied choreography\-based Saga patterns, compensating events, idempotency handling, and retry strategies for resilient distributed workflows\.
- Used Kafka for event\-driven architecture and asynchronous service communication\.
- Worked with Java, Spring Boot, Spring MVC, Spring Security, Hibernate, JPA, and ORM\.
- Used Angular, React, and JavaScript for frontend development\.

## FAQ

### What does Vinay do?

Vinay Pusuluri builds Java\-based, event\-driven payment systems and microservices\. Vinay works with payment workflows, Kafka\-based asynchronous communication, PostgreSQL, and Spring\-based backend technologies\.

### What technologies does Vinay use?

Vinay’s core stack includes Java, Spring Boot, Spring MVC, Spring Security, Hibernate, JPA, and ORM\. Vinay also works with PostgreSQL and Kafka, and is comfortable with Angular, React, and JavaScript on the frontend\.

### What is Vinay’s microservices architecture experience?

Vinay has strong experience designing choreography\-based microservices with independent databases and coordination across services\. Vinay uses event\-driven communication to support asynchronous interactions between services\.

### What is Vinay’s Kafka experience?

Vinay has experience with Kafka for event\-driven architecture and asynchronous service communication\. Vinay has also solved Kafka challenges involving duplicate events and race conditions during partition rebalances\.

### How has Vinay handled duplicate Kafka events and race conditions?

Vinay addressed duplicate\-event and race\-condition issues during Kafka partition rebalances through database\-layer idempotency\. Vinay used PostgreSQL unique constraints and atomic upsert operations to make processing resilient to repeated events\.

### What payment\-processing experience does Vinay have?

Vinay has strong experience with payment processing workflows, including ACH transactions, settlements, and merchant reconciliation\. Vinay has also integrated systems with external payment providers, including ACI Worldwide\.

### What external payment\-provider integrations has Vinay worked on?

Vinay has experience integrating with external payment providers such as ACI Worldwide\. That work includes retry handling and error handling for payment\-provider interactions\.

### How does Vinay use the Saga pattern?

Vinay has worked with choreography\-based Saga patterns for payment and distributed workflows\. Vinay’s approach includes idempotency handling, compensating events, and retry strategies for failure recovery\.

### What is Vinay’s PostgreSQL experience?

Vinay uses PostgreSQL, including unique constraints and atomic upsert operations\. These capabilities support database\-layer idempotency and help protect workflows against duplicate processing and concurrent race conditions\.

### What frontend technologies does Vinay use?

Vinay is comfortable with Angular, React, and JavaScript for frontend development, alongside Vinay’s Java, Spring, Kafka, and PostgreSQL backend work\.

## Links

- LinkedIn: https://www\.linkedin\.com/in/vinay\-pusuluri

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