Mainframe · Distributed Systems · AI Agentic Workflows

Vaibhav Parmar::

Mainframe to modern. APIs, distributed systems, and AI agentic workflows.

Systems that hold up under real traffic. Mainframe backends connected to modern consumers through APIs, event-driven flows, and automation that keeps releases moving.

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Mainframe

z/OS - DB2 - legacy to modern

Full-Stack Distributed

APIs - Kafka - cloud - web & mobile

AI Agentic Workflows

Copilot - Cursor IDE - prompt eng.

About

Mainframe depth, distributed delivery, fewer surprises in production.

AI Software Engineer in Toronto. 4+ years. I connect z/OS and DB2 backends to modern consumers through REST APIs, messaging, and integrations that hold up at scale.

AI agentic workflows - GitHub Copilot (chat, agents, skills, custom instructions) and Cursor to accelerate code reviews, generation, and delivery.

Java, TypeScript, React, Node, Spring Boot, Python, Kafka, AWS, Azure, Docker, Kubernetes, CI/CD. Mainframe data paths (DB2, batch, service interfaces). Mobile (iOS, Android). Observability (Splunk, Dynatrace, Datadog). Testing (Jest, Mocha, Supertest). Seneca CPA Co-op - Advanced Diploma, High Honors (4.0 CGPA). Hackathon finalist. Kafka and full-stack certifications.

Skills

Mainframe, cloud, APIs, and the tools I use to ship.

Languages

JavaTypeScriptJavaScriptPythonSQLPL/SQLC++SwiftUIBashYAMLHTMLCSS

Frameworks

SpringSpring BootHibernateWebFluxReactNext.jsNode.jsAngularReduxExpress

Cloud & DevOps

AWSAzureGCPDockerKubernetesCI/CDGitHub ActionsAzure DevOpsMavenGitPowerShell

Mainframe

COBOLJCLSASTSOISPFCA-7AWFEndevorz/OS ConnectIDzDB2IMS DB

Data & messaging

MongoDBRedisDynamoDBKafkaKafka StreamsKafka ConnectKSQLConfluent Cloud

APIs & integration

RESTJSONXMLJWTOAuthSAMLSASLZowe CLI

Mobile

AndroidiOSSwiftUIWatchOS

AI agentic workflows

GitHub CopilotCopilot AgentsCursor IDEPrompt Engineering

Testing

JestMochaSupertestUnitIntegrationRegressionPerformance

Observability & tools

SplunkDynatraceDatadogJiraServiceNowConfluenceFigmaPostman

Projects

Shipping outcomes you can trace end to end.

HPBU2028: The Countdown

Single-page event countdown site for an upcoming community gathering. React 18, Vite 5, CSS Modules. Fullscreen crossfade slideshow with randomized transitions, privacy mode toggle, slide lock panel (5 min to 1 day), and config-driven architecture. Deployed on Netlify with GitHub Actions CI/CD.

ReactViteCSS ModulesGitHub ActionsNetlify

Harmony With Heart

Community and event management app for Yogi Divine Society Canada, covering registration, food service planning, and guest hosting. Scalable Node.js/TypeScript/Express APIs on AWS, JWT/OAuth auth, RBAC, Jest/Mocha/Supertest (~85% coverage), and CI/CD via AWS CodePipeline with CloudWatch monitoring.

Node.jsTypeScriptAWSJWTiOSAndroid

Chronicle: Travel Journal

Full-stack travel journal with forums and social discovery. Helps users store, relive, and share travel memories. Next.js, React, Tailwind, Node/Express, MongoDB with indexing that cut query time ~40%, Leaflet maps with Places autocomplete, Dropbox-backed media, Passport/Bcrypt/JWT auth.

Next.jsReactMongoDBExpressLeafletJWT

Fragments: Data Management Microservice

Production microservice for text and image fragments. Node.js/Express on AWS with Cognito RBAC, S3/DynamoDB optimizations (~40% faster queries), Dockerized UI and API, GitHub Actions CI/CD, ECS orchestration, CloudFormation IaC, CloudWatch observability.

Node.jsAWSDockerDynamoDBCognitoCloudFormation

Contact

Tell me what "better" looks like for your team.

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