Vishnu Sunkari

Enterprise Cloud Architect

• Architected secure and scalable solutions following AWS Well-Architected Framework, ensuring performance, reliability, security, and cost optimization.
• Apply AWS Well-Architected Framework to redesign legacy architectures for high availability, reliability, and cost efficiency across multi-region environments.
• Led architecture reviews using Well-Architected Lens, identifying high-risk issues and implementing best practices across the five pillars- Operational Excellence, Security, Reliability, Performance Efficiency, and Cost Optimization.
• Designed and implemented microservices-based applications using Java Spring Boot deployed on AWS EKS, integrated with Route 53 for region failover.
• Applied AWS security best practices, implementing IAM policies, RBAC roles, encryption of data at rest and in transit, and secure service-to-service communication.
• Lead the development of entire AWS Infrastructure for microservices from Network layer to Application layer including VPC, Route tables, Subnets - Private/Public, IAM Roles, Security Groups, AWS ECS Cluster, ECS Service Discovery, Docker Containerization, ECR, Kafka MKS, RDS and DynamoDB instances, ALB, Autoscaling, S3, Cloudfront, Route53 etc.
• Conduct regular security audits using AWS Config and AWS Security Hub, remediating vulnerabilities and aligning with CIS Benchmarks and SOC2 compliance.
• Integrate robust security practices into the architecture and development process ensuring products comply with industry standards for data protection and cybersecurity.

Enterprise Solution Architect

• Developed Lambda-based utility services using AWS Lambda, with monitoring and alerting via CloudWatch to support operational visibility.
• Designed and enforced AWS Security by implementing VPC security boundaries, IAM role-based access policies, AWS KMS for at-rest encryption across S3, RDS, EBS etc.
• Designed and implemented Contact Center AI (CCAI) Insights pipelines leveraging Dialogflow CX, Pub/Sub, and BigQuery, enabling advanced call transcription and sentiment analytics for customer engagement improvement.
• Developed Dialogflow CX agents for multilingual support, with custom webhook integrations via Cloud Functions and Python Flask APIs to automate complex fulfillment workflows. Created GCP Cloud Run services to handle dynamic intent routing and external system orchestration across CCaaS integrations.
• Designed event-driven services using GCP Pub/Sub, BigQuery, Cloud Run, Vertex AI as well as Kafka.
• Applied Agentic AI patterns to enable autonomous escalation handling using contextual memory and real-time data retrieval from backend APIs.
• Integrated Generative AI playbooks using Vertex AI and Prompt Engineering techniques to generate dynamic responses and summaries from historical interaction data.
• Collaborated with cross-functional teams to embed AI-driven conversation analytics into operational dashboards, improving customer experience KPIs by 25%.

Cloud Solution Architect / Management

• Automated infrastructure deployment using Terraform and AWS CDK, python reducing provisioning time by 60%.
• Designed event-driven services leveraging AWS Lambda, Kafka, and DynamoDB to ensure system decoupling and scalability.
• Created CloudWatch dashboards and alarms for Lambda, and Kafka services, enabling proactive incident detection and reducing MTTR.
• Optimization of Cloud Cost with Cloud FinOps - savings plans, discount programs, right balance of high-availability and performance of services, building tools for cost visibility and taking action based on ROI. Reduced ~30% of Cloud Annual Costs for Swift.
• Designed and implemented serverless microservices using AWS Lambda with Java Spring Boot, reducing infrastructure management overhead.
• Optimized cold start performance for Lambda functions by leveraging Provisioned Concurrency, reducing invocation latency by 40%.
• Implemented automated security compliance checks using AWS Config and Security Hub.
• Enhanced cloud security by integrating AWS IAM, KMS, and AWS PrivateCA for end-to-end encryption.
• Optimized Kubernetes workloads on AWS EKS, enhancing application performance and resource utilization.

Cloud Engineering Architecture / Management

• Re-engineered billing transaction processing platforms using Kafka clusters, improving revenue efficiency by 20% through concurrency and real-time processing.
• Developed real-time data ingestion and processing pipelines using Kafka, Pub/Sub, and Dataflow, integrating IoT data into BigQuery for analytics.
• Integrated structured application logs with CloudWatch Logs Insights, enabling real-time querying and root cause analysis of production issues.
• Migrated monolithic workloads to AWS Lambda, breaking down legacy applications into smaller, cost-efficient, and scalable serverless functions.
• Developed modular, reusable Terraform configurations including state management with S3 and DynamoDB to standardize infrastructure provisioning across multiple Cloud accounts, improving deployment consistency and efficiency. Integrated Python automation scripts to streamline AWS infrastructure operations.
• Design and implement end-to-end CI/CD pipeline using bitbucket pipelines as well as AWS Code commit, Code build, Code deploy cutting deployment times by 50%.

Engineering Lead, Cloud

• Developed serverless microservices using AWS Lambda and Spring Boot integrated with API Gateway, DynamoDB, SQS to deliver low-latency, event-driven workflows.
• Built and maintained customer account management systems for 1M+ users, improving customer retention by 15%.
• Improved development velocity by encapsulating multi-stack infrastructure into version-controlled CDK modules, enabling deployments across environments.
• Designed and executed migration strategy for Spring Boot microservices from AWS ECS to GCP Kubernetes Engine (GKE), ensuring zero downtime.
• Led the design and implementation of event-driven architectures using AWS Lambda, SNS, and SQS, enabling asynchronous communication between microservices and improving system scalability and decoupling.
• Implemented Terraform-based infrastructure as code (IaC) for GCP, transitioning from AWS CloudFormation to ensure a repeatable and scalable cloud setup.
• Integrated AWS Lambda with API Gateway to expose RESTful endpoints for scalable, event-driven applications.
• Designed and implemented CI/CD pipelines with Jenkins for fast and secure software delivery.

Lead Engineer

• Designed and implemented e-commerce infrastructure with scalable RESTful e-commerce services, supporting millions of users and enabling $10M in annual subscription revenue.
• Optimized cloud-based inventory and order management systems, ensuring high availability and real-time updates for retail operations.
• Led the development of AWS region-based DB architectures across US, EU and China and leveraged Elastic Search to reduce latency by 25%.
• End to End Performance Optimization from Edge servers to front-end to back-end including query optimization, caching and server optimization.

Lead Software Engineer

• Designed and implemented enterprise APIs and systems for the fulfillment of advertising products, leveraging the Spring Framework and REST-based services.
• Developed and maintained a custom-built account management system, enabling efficient management of marketing needs for advertisers.
• Designed scalable RESTful APIs serving over a million customers, improving application throughput. Integrated Elasticsearch for full-text search capabilities, reducing query times by 60%.

Sr Software Programmer

• Designed and Developed Enterprise Web Systems using Spring MVC, Spring Security, Spring LDAP, Hibernate, MSSQLServer and LDAP integration.
• Spearheaded microservices adoption, replacing monolithic legacy systems with event-driven architectures.
• Managed CI/CD pipelines with Jenkins, enabling continuous integration and automated testing.

Texas State University

Computer Science