Vinay Kumar

AWS/Software Developer at BMO

Architected and developed cloud-native backend services using Node.js, AWS Lambda, and API Gateway to manage customer alert preferences, subscriptions, and unsubscribe workflows. Led migration from a legacy on-prem TIBCO-based system to a serverless, event-driven architecture using Lambda, DynamoDB, S3, and SQS. Designed DynamoDB data models and access patterns for high-throughput, low-latency lookups. Provisioned and managed infrastructure using Terraform and CloudFormation, enforcing IAM least-privilege and environment isolation. Integrated CloudWatch Logs with OpenSearch for centralized log ingestion, indexing, and visualization. Implemented real-time and batch alert processing with Kafka consumers and S3 → SQS → Lambda for batch ingestion; orchestrated multi-channel delivery via Google FCM, SMTP, and Sinch. Developed production-grade Node.js Lambda functions with asynchronous processing, structured logging, and standardized error handling; Python Lambda handlers for AWS service

Software Developer (Backend & Cloud) at LTI Mindtree (NewsCorp.)

Designed and optimized API infrastructure (Route 53 → CloudFront → API Gateway → ECS-hosted service) for high availability and performance. Developed backend services using TypeScript, JavaScript, and Python; supported data ingestion for OpenAI model training and Bloomberg feeds. Strengthened authentication/authorization with AWS Secrets Manager and API Gateway policies; optimized caching to reduce DynamoDB calls; integrated APIGEE as upstream provider. Built and optimized deployment pipelines with AWS CodeBuild. Implemented event-driven ingestion pipeline for articles using SNS/SQS/Lambda and stored results in Elasticsearch. Built monitoring with New Relic and synthetic API monitoring; managed ECS (Fargate), S3, DynamoDB, SNS, SQS, and Lambda; implemented ECS scaling optimizations.

AWS/Software Developer at BMO

Migrated on-prem API services to AWS using serverless architecture (API Gateway, Lambda) and multi-tier applications leveraging EC2, Route53, S3, DynamoDB, SNS, SQS, IAM, Kinesis, EventBridge. Implemented secure authentication and authorization, designed scalable RESTful APIs, and used Node.js SDKs to manage AWS resources. Employed CloudWatch for monitoring and metrics; developed high-performance RESTful APIs with Node.js/Express for millions of requests/day; ensured fault tolerance and auto-scaling.

Software Developer at All State Insurance

Designed and developed RESTful services using Node.js/Express, MongoDB, ReactJS; implemented Passport/JWT-based authentication; built responsive UI with HTML/CSS/Bootstrap; collaborated on admin features and REST APIs; worked with Spring JDBC, MySQL, Maven; deployed on Tomcat; wrote PL/SQL queries, stored procedures, and triggers for backend data operations.