BIJAL PRAJAPATI

• Built serverless microservices with AWS Lambda (Node.js/TypeScript) behind API Gateway (REST), with request validation and stage-based deployments (dev/staging/prod). • Secured APIs with OAuth 2.0 / JWT using Lambda authorizers for token validation and role-based access. • Designed DynamoDB schemas around access patterns using composite keys, GSIs and conditional writes. • Built event-driven pipelines with SQS-triggered Lambdas, using batch processing, retries and dead-letter queues. • Implemented S3-base

• Built scalable ETL pipelines with Azure Databricks and PySpark for analytics and reporting. • Designed Delta Lake architecture on Azure Data Lake, improving data reliability and query performance. • Implemented real-time and batch ingestion with Azure Event Hub and Data Factory, orchestrated via Databricks Workflows. • Led data modeling and schema design; tuned complex SQL to cut query time. • Built CI/CD pipelines for automated deployment of data workflows.

• Developed backend systems and REST APIs in PHP and MySQL for web and mobile applications. • Designed and optimized database-driven applications for performance and maintainability. • Took part in the full software development lifecycle, from requirements through deployment and support.

• Built and maintained client web applications and backend services in PHP and MySQL. • Turned business requirements into technical designs and working features.

• Developed backend systems and APIs for web applications. • Optimized database queries and application logic to improve performance and reliability.