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LeVar Pulliam

Full-stack developer & designer

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Full-Stack

University Student Portal

Greenfield global student platform with serverless GraphQL APIs and multi-locale support serving international student populations

AWS LambdaAWS AppSyncGraphQLReactTypeScriptOIDCi18nCloudFormation

Project Overview

Architected and built a greenfield platform serving international students across a global network of partner institutions. Designed serverless GraphQL APIs using AWS AppSync and Lambda functions to handle authentication, enrollment, and student lifecycle management. Implemented OIDC-based federation for secure single sign-on across partner institutions. Built responsive React/TypeScript frontend with i18n infrastructure supporting 10+ locales (English, Spanish, Mandarin, Japanese, Arabic, etc.). Deployed infrastructure as code using CloudFormation for reproducible, multi-region deployments. Achieved <500ms API latency and 99.9% uptime for mission-critical student onboarding workflows.

This project showcases modern web development practices, clean architecture, and user-centered design principles. It demonstrates the ability to work with complex requirements and deliver solutions that balance functionality, performance, and user experience.

Key Achievements

  • ✓Serverless GraphQL APIs with AWS AppSync and Lambda resolvers for authentication, enrollment, and lifecycle management
  • ✓OIDC federation enabling secure SSO with 50+ partner institution identity providers
  • ✓Multi-region internationalization framework supporting 10+ locales with dynamic content delivery
  • ✓Infrastructure as Code with CloudFormation for reproducible deployments across dev, staging, production
  • ✓React TypeScript frontend with accessible, responsive UI design for international student onboarding
  • ✓Performance optimizations achieving <500ms p99 API latency and 99.9% uptime SLA

Technologies Used

AWS Lambda

AWS AppSync

GraphQL

React

TypeScript

OIDC

i18n

CloudFormation

2021

Year Completed

Full-Stack

Category

Completed

Status