Vignesh Selvaraj
Staff Software Engineer @Toast
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WORK HISTORY
Staff Software Engineer @Toast
Toronto, ON, CA
Architected Boba Machine QR Service, a multi-tenant Kotlin/gRPC platform on DynamoDB with LaunchDarkly feature flags, enabling dynamic QR-to-menu mappings and zero-downtime configuration rollouts across automated beverage machines.– Authored and rolled out the Engineering Guardrails for Speed framework — a six-pillar model covering reversible rollouts, metrics-driven decisions, and AI-assisted development — adopted across the team to accelerate delivery velocity.– Serving as technical lead for Toast\'s Canadian market expansion, driving product launches, third-party integrations, and compliance enablement across product, infrastructure, and mobile teams.
EDUCATION
Arizona State University
Master's degree, Computer Science
Thiagarajar Polytechnic College
Diploma, Computer Engineering
Vellore Institute of Technology
Bachelor of Technology (B.Tech.), Computer Science
SKILLS
ABOUT VIGNESH SELVARAJ
I architect and scale the distributed backends that power commerce, fintech, and SaaS platforms — gRPC and REST APIs, event-driven pipelines, and multi-tenant services that stay reliable as they grow.Staff Software Engineer at Toast with 16+ years across Priceline, Expedia, T-Mobile, and Great-West Life. Specializing in:– Distributed systems & API design (gRPC, REST, GraphQL) in Kotlin and Java – Event-driven architectures on Kafka, Kinesis, and RabbitMQ – Cloud-native microservices on AWS and GCP with DynamoDB, MongoDB, Redis – CI/CD modernization, test-driven development, and production observabilityOpen to conversations about Staff and Principal Engineer opportunities where deep backend expertise meets high-scale, high-impact systems.Stack: Kotlin · Java · Python · Spring Boot · gRPC · REST · GraphQL · Kafka · Kinesis · AWS · GCP · DynamoDB · MongoDB · Redis · Kubernetes · Docker
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