Dhruv Chandak

Software Engineer

Talent

PuneMember since September 4, 2026

JavaSQLSpring BootSpring SecurityNext.jsPostgreSQLPL/SQLOpenAI APILangChain4jJMSDockerMicroservices

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JavaSQLSpring BootSpring SecurityNext.js

About

Enterprise Transaction & Banking Systems: Architected and shipped modular java-based microservices powering high-volume banking transaction across multiple regions in FLEXCUBE, supporting bulk transaction workflows plus immediate and deferred booking processing. High-Performance Transaction Processing: Designed and enhanced transaction orchestration services for core banking applications using pool-and-hold techniques, boosting transaction throughput (TPS) and cutting latency by 25%.

Performance Optimization & Database Engineering: Optimized Oracle SQL queries and PL/SQL procedures through query tuning and execution plan analysis, reducing system response time by 30% under peak transaction loads.

Experience

Software Developer at Oracle Financial Services Software (OFSS) (2023-06 – Present)

Enterprise Transaction & Banking Systems: Architected and shipped modular java-based microservices powering high-volume banking transaction across multiple regions in FLEXCUBE, supporting bulk transaction workflows plus immediate and deferred booking processing.
High-Performance Transaction Processing: Designed and enhanced transaction orchestration services for core banking applications using pool-and-hold techniques, boosting transaction throughput (TPS) and cutting latency by 25%.
Performance Optimization & Database Engineering: Optimized Oracle SQL queries and PL/SQL procedures through query tuning and execution plan analysis, reducing system response time by 30% under peak transaction loads.
Middleware, Integration & API Development: Built Java web services and channel mapping APIs handling JSON-to-JSON and ISO-to-JSON transformations, supporting 15+ integration endpoints for seamless integration across banking systems.
Messaging Systems & Middleware: Configured JMS queues, MDBs, and JMS domain components for scalable asynchronous transaction processing, and engineered a high-throughput event-driven pipeline using Kafka — reducing latency by 20% and sustaining 99.9% uptime for core banking services.
Production Support & Reliability: Resolved Oracle DB and WebLogic production issues including transaction failures, middleware exceptions, and recurring defects, reducing recurring incident volume by nearly 30% and improving system availability.
Agile Collaboration: Collaborated with a 8 member Agile cross-functional team including QA, middleware, and DevOps; contributed to code reviews and Docker based containers and OCI services, deployments, and feature delivery in a regulated banking environment.