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Vashista Reddy User

@vashistareddyuser

Message

I build scalable backend payment services that improve fintech workflow performance and reliability.

India

Message

What I'm looking for

I'm looking to build reliable, scalable, high-performance backend systems, particularly in fintech and payment-processing environments.

At Pine Labs, I've developed and enhanced backend services for high-volume payment configuration workflows, including real-time EMI synchronization, gift card redemption, secure blacklisting, and REST APIs across .NET, Java, Spring Boot, Kafka, PostgreSQL, and SQL Server.

I've reduced product-creation processing time by 30%, improved bulk data processing by 25–55%, and increased upload throughput by approximately 5X through multithreading. Earlier at Truminds Software Systems, I built a Node.js and Jest unit-testing framework, designed a relational data model, and delivered RESTful CRUD APIs.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Pine Labs Ltd

Jul 2024 - Present (2 years 2 months)

Developed and enhanced backend services for payment configuration workflows using .Net, C#, Java, Spring Boot, Kafka, REST APIs, and relational databases. Owned configuration-layer implementation of real-time EMI synchronization and optimized SQL stored procedures for improved performance.

.NET C#Java Spring Boot Kafka REST APIs PostgreSQL SQL Server SQL Performance Optimization Production Support

Software development intern

Pine Labs Ltd

Jan 2024 - Jul 2024 (6 months)

– Developed high-throughput .NET backend services for EMI scheme and transaction configuration
– Optimized bulk data processing using caching, batch processing, and reduced database interactions, improving
execution time by 25–55%.
– Implemented multithreaded processing for high-volume upload workflows, increasing bulk processing throughput by
approximately 5X.