Harminder Singh

Led AI-enabled full stack services for brokerage and support workflows. Built C#/.NET services for AI-assisted support triage backed by MySQL and REST APIs, reducing manual routing time and improving reliability. Developed React/TypeScript dashboards for operations QA and stakeholder visibility. Designed ASP.NET Core APIs with Entity Framework and MySQL indexing to improve p95 performance, and integrated Azure OpenAI summarization with PII controls and audit logging. Optimized database performance (schema/query/index tuning), implemented OAuth/JWT middleware patterns, and delivered REST/GraphQL integrations across AI, brokerage, and frontend workflows. Improved observability using Datadog with structured logging and alerting, and reduced MTTR through proactive monitoring. Led automation of CI/CD with GitHub Actions, Docker, Kubernetes, and Terraform, and strengthened quality via xUnit/Jest testing, code reviews, and mentorship for .NET patterns, MySQL tuning, and AI API design.

Built full stack automation and cloud services for retail operations to improve data workflows and API stability. Developed C#/.NET web tools and MySQL services to reduce manual reporting time. Delivered ASP.NET MVC and Angular interfaces for inventory workflows and designed REST APIs with SQL data models for high-volume order metrics. Automated ETL validation using Python, SQL, and AWS Lambda to reduce recurring data defects. Tuned MySQL and SQL Server queries through indexing and execution-plan reviews. Implemented CI/CD with Jenkins, Docker, and AWS to accelerate deployments, and increased test coverage with unit/integration testing for .NET services. Supported secure AWS integrations (IAM, S3, EC2, API Gateway) and documented API contracts and runbooks to speed onboarding, collaborating with distributed teams via Scrum and async delivery.