Open to opportunities

Prakash Barri

@prakashbarri

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I build secure, scalable Java microservices, cloud platforms, and high-volume data systems for global enterprises.

India

Message

What I'm looking for

I'm looking to build secure, scalable cloud-native products and distributed systems where I can improve performance, automation, reliability, and engineering excellence.

I've built enterprise software at Visa, Walmart Global Tech, Amazon, Cisco, Oracle, and other global product organizations, with a focus on secure Java services, cloud automation, and distributed systems.

At Visa, I optimized Java Spring Boot applications, improved MySQL performance, automated Qualys credential rotation and vulnerability scanning across AWS accounts, and designed Quartz jobs to orchestrate thousands of vulnerability scans per hour. I also delivered REST APIs for on-demand EC2 scans and introduced feature flags for controlled, zero-downtime rollouts.

At Walmart Global Tech, I developed high-volume Spring Boot and Reactor microservices, built Spark, Dataproc, and Airflow data pipelines, and created a CRM platform supporting $75M USD GMV. I also built operational dashboards with Next.js and React.

I've strengthened systems through AWS Fargate, ECS, CDK, IAM, Kafka, Hazelcast, ELK, and Grafana, while applying TDD, machine learning, and LLM evaluation work. I enjoy solving performance, security, reliability, and automation challenges at enterprise scale.

Experience

Work history, roles, and key accomplishments

Staff Software Engineer

Visa

Jan 2026 - Jul 2026 (6 months)

Optimized Java Spring Boot applications and automated security compliance processes. Implemented feature flags and replaced Redis with Hazelcast for distributed caching.

Java Spring Boot MySQL AWS Qualys Hazelcast Quartz Scheduler REST APIs Security OWASP

Senior Software Engineer

Walmart Global Tech India Pvt LTD

Jun 2023 - Jun 2025 (2 years)

Developed high-volume microservices and Spark data processing pipelines. Designed a CRM platform with $75M USD GMV and built admin dashboards.

Spring Boot Apache Spark Airflow Next.js React Microservices

Program Analyst L5

Amazon India Pvt LTD

Mar 2022 - Mar 2023 (1 year)

Set up IAM roles and deployed services using AWS Fargate and ECS. Developed CI/CD pipelines and automated infrastructure provisioning with AWS CDK.

AWS IAM Fargate DynamoDB AWS CDK CI CD

Principal Engineer

Nineleaps India Pvt Ltd

Jan 2021 - Mar 2022 (1 year 2 months)

Integrated SSO with microservices and developed services for store hours and locations. Optimized performance using Kafka and in-memory caching.

SSO Microservices Kafka ELK Grafana Performance Optimization

Software Engineer 3

Cisco Systems

Nov 2018 - Jan 2020 (1 year 2 months)

Developed SDN-based modules for provisioning and configuring Cisco NX switches and routers via APIs. Created Java-based provisioning templates.

SDN Java APIs Network Configuration

Lead Consultant

Allstate India

Feb 2017 - Jul 2018 (1 year 5 months)

Built a TDD-based test framework for a WebSphere portal application and developed a machine learning application for churn prediction.

Websphere Machine Learning

Senior Associate Technology

Tech Mahindra

Jan 2014 - Nov 2014 (10 months)

Designed and developed a Site Creation Application to automate LTE site creation. Automated and routed site creation requests using a mediator.

LTE Automation Mediator

Application Engineer

Oracle India Pvt Ltd

Feb 2012 - Dec 2013 (1 year 10 months)

Improved tax classification efficiency by implementing Oracle BPEL services and standardizing Oracle ADF UI components. Contributed to Oracle Fusion Rapid Implementation.

Oracle BPEL ERP Data Migration