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Vibha Rani

Lead Software Engineer at Grab • Visa • VMware • Oracle |Exploring Gen AI, LLM, MCP Servers and Agentic AI | Data Structure & Algo | LLD | HLD | Java | Spring Boot | System design

Bengaluru

10+ years of work experience

Grab
Jun 20265 mosPresent

Bengaluru, Karnataka, India

Led backend design & development for MMC Differentiated Funding in case of Grab as an Application. Worked on solutioning of supporting installment payments for different Lending Partners. Identified and resolved a critical production issue pre‑emptively. Issue was due to data loss, settlement was inconsistent, and merchants were underpaid.
Visa
May 20233 yrs 1 moMay 2026

Bengaluru, Karnataka, India

Led the development of Card Present and Card Not Present transaction processing for Rupay Processor, utilizing technologies such as Spring Boot, Java 17, Kubernetes, gRPC, Kafka, and MySQL. Acted as the interface between merchants and acquirers in the Cybersource Team of Payments at Visa, ensuring seamless payment transactions. Implemented innovative solutions to optimize transaction processing efficiency and enhance user experience. Collaborated with cross-functional teams to drive continuous improvement and deliver high-quality software solutions.
VMware
Mar 20212 yrs 2 mosApr 2023

Bengaluru, Karnataka, India

Customer Journey Analytics:(End to end development) Technologies Used: Java-8, Spring Boot, Python, REST API, Spring Security OAuth2, Swagger- Open API, Docker, Jenkins, Kubernetes. Responsibilities: - Developing and maintaining all the Spring boot microservices involved in the multiple projects across all the data engineering. - Writing custom scripts for Kafka Streaming, data synchronization. Prioritizing the deliverables and accordingly driving the team with AGILE process inr on time delivery. Contribution: - Designed and developed multiple microservices which includes authorization and resource servers. - Developed CI/CD for the respective microservices. - Developed code to handle kubernetes resources from API - Developed helm charts for multiple microservices - Working on Search Framework and Security Framework building. - Driving a team for mobile app development and delivery. - Migrating API written in HANA to python with hive as Database
VMware
20212 yrs2023

Designed & delivered microservices powering distributed data engineering workflows. Led architecture discussions on scaling patterns, service orchestration, and deployment standards. Delivered an end‑to‑end solution showcased to executives and used in customer strategy discussions. Mentored engineers, guiding design reviews, coding standards, and sprint planning. Enforced platform security standards: integrated Okta for identity federation, configured HTTPS/TLS across service boundaries, and established JWT validation middleware and data-encoding best practices.
Oracle
Dec 20191 yr 4 mosMar 2021

Bengaluru, Karnataka, India

Project Overview: GBU Analytics Cloud Service: - Description: It's a cloud service which is primarily focused on developing and providing Data Analytics solutions to multiple cloud partners. It mainly provides SaaS services on Oracle Cloud. - Technologies Used: Java-8, Spring Boot, Scala, Spark, REST API, Spring Security OAuth2, JDBC, Oracle Object Store, cloud- lab, Swagger- Open API, Docker, Jenkins, Kubernetes. - Responsibilities: - Developing and maintaining all the Spring boot Microservices involved in the GBUACS. - Enhancement of SCALA based Spark applications - Prioritising the deliverables and accordingly driving the team with AGILE process for on time delivery. - Contribution: - Designed and developed multiple Microservices which includes authorization and resource servers. - Developed CI/CD for the respective Microservices. - Developed code to handle kubernetes resources from API - Designed and developed Multi-Tenant Microservice to authenticate and authorize GBUA Partner’s requests using Spring Security OAuth2. - Designed Tenant Registration Framework for the product. - Developed API’s to register tenants by generating unique id and persisting tenant details to Object Store. - Developed API’s to read Config-Map and Secret, delete and list Pod from Kubernetes Namespace using Java Kubernetes Client. - Implemented Custom Authorization Framework of OAuth2.0 Access Token for the API’susing SpEL. - Developed API’s to validate client credentials, rotate credential secret and enable and disable Former API’S. - Implemented Swagger Open Api along with OAUTH for swagger documentation in Yaml, Json, And UI as a reference document for all the Rest Web Service for partners in Spring Boot, Jersey Microservice.
ATMECS Technologies Pvt Ltd
Oct 20154 yrs 3 mosDec 2019

Hyderabad Area, India

Projects Overview: Jetblue Booking Application (August 2018 - November 2019) - Description: Application to book flight tickets for multiple locations. - Technologies Used: Java core, Spring microservices, Redis - Role: Senior Software Engineer - Responsibility: Developing and maintaining REST API and the cache. Vox Application (November 2016 - September 2018) - Description: VOX is a major product of J D Power. It is a platform to show surveys of customers’ clients and their feedback. Its aim is to develop the most usable and effective environment for all types of users e.g Customer as a user, Customer as admin etc. - Technologies Used: Java Core, Spring, Alfresco, Solr, Elasticsearch - Role: Software Engineer - Responsibility: Development of data analytics UI based on angular 1.6 and backed based on spring. Falcon Mobile Automation Framework(March 2016 - October 2018) - Description: Falcon is a product of Atmecs Technologies.It is used to automate mobile applications. - Technologies Used: Java - Role: Software Engineer - Responsibility: Developed an automation framework using Java which is on top of Appium. OSM(OpenStack Mobile) (October 2015 - September 2016): - Description: OpenStack Mobile is a product of Atmecs Technologies which is used for Cloud Services using mobile applications. - Technologies Used: Core Java, HTML,js,AJAX,JQuery - Role: Software Engineer - Responsibility: Develop UI mobile application which can be used to use the OpenStack cloud services. - Working on AWS services - lambda, s3, EC2, ALB, CLB as well as Angular js, Spring, Spring boot, elastic search etc.

Vibha’s AI Stack

claude code
claude code
claude
claude
codex
codex
elevenlabs
elevenlabs
gemini
gemini

Education

Bachelor’s Degree, Electronics and telecommunication

BVP College

20095 yrs2014
dav public school

High School, Physics,chemistry,maths

dav public school

20062 yrs2008

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Headline

Lead Software Engineer at Grab • Visa • VMware • Oracle |Exploring Gen AI, LLM, MCP Servers and Agentic AI | Data Structure & Algo | LLD | HLD | Java | Spring Boot | System design

About

Experience as backend engineer for more than a decade. Extensively worked in Java, Spring boot, Monolith and Microservice architecture. Found of exploring new technologies, so currently diving deep in Gen AI internals and how it works.

Location

Bengaluru

AI stack

claude code

claude

codex

elevenlabs

gemini

Work experience

Lead Software Engineer at Grab, Jun 2026 - Present · 5 mos, Bengaluru, Karnataka, India, Led backend design & development for MMC Differentiated Funding in case of Grab as an Application. Worked on solutioning of supporting installment payments for different Lending Partners. Identified and resolved a critical production issue pre‑emptively. Issue was due to data loss, settlement was inconsistent, and merchants were underpaid.

Staff Software Engineer at Visa, May 2023 - May 2026 · 3 yrs 1 mo, Bengaluru, Karnataka, India, Led the development of Card Present and Card Not Present transaction processing for Rupay Processor, utilizing technologies such as Spring Boot, Java 17, Kubernetes, gRPC, Kafka, and MySQL. Acted as the interface between merchants and acquirers in the Cybersource Team of Payments at Visa, ensuring seamless payment transactions. Implemented innovative solutions to optimize transaction processing efficiency and enhance user experience. Collaborated with cross-functional teams to drive continuous improvement and deliver high-quality software solutions.

Software Engineer III at VMware, Mar 2021 - Apr 2023 · 2 yrs 2 mos, Bengaluru, Karnataka, India, Customer Journey Analytics:(End to end development) Technologies Used: Java-8, Spring Boot, Python, REST API, Spring Security OAuth2, Swagger- Open API, Docker, Jenkins, Kubernetes. Responsibilities: - Developing and maintaining all the Spring boot microservices involved in the multiple projects across all the data engineering. - Writing custom scripts for Kafka Streaming, data synchronization. Prioritizing the deliverables and accordingly driving the team with AGILE process inr on time delivery. Contribution: - Designed and developed multiple microservices which includes authorization and resource servers. - Developed CI/CD for the respective microservices. - Developed code to handle kubernetes resources from API - Developed helm charts for multiple microservices - Working on Search Framework and Security Framework building. - Driving a team for mobile app development and delivery. - Migrating API written in HANA to python with hive as Database

Member of Technical Staff at VMware, 2021 - 2023 · 2 yrs, Designed & delivered microservices powering distributed data engineering workflows. Led architecture discussions on scaling patterns, service orchestration, and deployment standards. Delivered an end‑to‑end solution showcased to executives and used in customer strategy discussions. Mentored engineers, guiding design reviews, coding standards, and sprint planning. Enforced platform security standards: integrated Okta for identity federation, configured HTTPS/TLS across service boundaries, and established JWT validation middleware and data-encoding best practices.

Software Engineer 2 at Oracle, Dec 2019 - Mar 2021 · 1 yr 4 mos, Bengaluru, Karnataka, India, Project Overview: GBU Analytics Cloud Service: - Description: It's a cloud service which is primarily focused on developing and providing Data Analytics solutions to multiple cloud partners. It mainly provides SaaS services on Oracle Cloud. - Technologies Used: Java-8, Spring Boot, Scala, Spark, REST API, Spring Security OAuth2, JDBC, Oracle Object Store, cloud- lab, Swagger- Open API, Docker, Jenkins, Kubernetes. - Responsibilities: - Developing and maintaining all the Spring boot Microservices involved in the GBUACS. - Enhancement of SCALA based Spark applications - Prioritising the deliverables and accordingly driving the team with AGILE process for on time delivery. - Contribution: - Designed and developed multiple Microservices which includes authorization and resource servers. - Developed CI/CD for the respective Microservices. - Developed code to handle kubernetes resources from API - Designed and developed Multi-Tenant Microservice to authenticate and authorize GBUA Partner’s requests using Spring Security OAuth2. - Designed Tenant Registration Framework for the product. - Developed API’s to register tenants by generating unique id and persisting tenant details to Object Store. - Developed API’s to read Config-Map and Secret, delete and list Pod from Kubernetes Namespace using Java Kubernetes Client. - Implemented Custom Authorization Framework of OAuth2.0 Access Token for the API’susing SpEL. - Developed API’s to validate client credentials, rotate credential secret and enable and disable Former API’S. - Implemented Swagger Open Api along with OAUTH for swagger documentation in Yaml, Json, And UI as a reference document for all the Rest Web Service for partners in Spring Boot, Jersey Microservice.

Software Engineer at ATMECS Technologies Pvt Ltd, Oct 2015 - Dec 2019 · 4 yrs 3 mos, Hyderabad Area, India, Projects Overview: Jetblue Booking Application (August 2018 - November 2019) - Description: Application to book flight tickets for multiple locations. - Technologies Used: Java core, Spring microservices, Redis - Role: Senior Software Engineer - Responsibility: Developing and maintaining REST API and the cache. Vox Application (November 2016 - September 2018) - Description: VOX is a major product of J D Power. It is a platform to show surveys of customers’ clients and their feedback. Its aim is to develop the most usable and effective environment for all types of users e.g Customer as a user, Customer as admin etc. - Technologies Used: Java Core, Spring, Alfresco, Solr, Elasticsearch - Role: Software Engineer - Responsibility: Development of data analytics UI based on angular 1.6 and backed based on spring. Falcon Mobile Automation Framework(March 2016 - October 2018) - Description: Falcon is a product of Atmecs Technologies.It is used to automate mobile applications. - Technologies Used: Java - Role: Software Engineer - Responsibility: Developed an automation framework using Java which is on top of Appium. OSM(OpenStack Mobile) (October 2015 - September 2016): - Description: OpenStack Mobile is a product of Atmecs Technologies which is used for Cloud Services using mobile applications. - Technologies Used: Core Java, HTML,js,AJAX,JQuery - Role: Software Engineer - Responsibility: Develop UI mobile application which can be used to use the OpenStack cloud services. - Working on AWS services - lambda, s3, EC2, ALB, CLB as well as Angular js, Spring, Spring boot, elastic search etc.

Education

Bachelor’s Degree, Electronics and telecommunication, BVP College

High School, Physics,chemistry,maths, dav public school