Software Engineer · GTCSYS
Oct 2022 – Present- Engineered enterprise-grade applications leveraging Node.js, NestJS, Java Spring Boot, React.js, and Next.js.
- Designed and implemented REST APIs, backend services, and business logic for both external and internal platforms.
- Utilized MongoDB, PostgreSQL, and MySQL for data modeling, query tuning, and performance optimization.
- Delivered secure authentication and authorization workflows using JWT, OAuth2, AWS Cognito, and Google OAuth.
- Integrated third-party platforms such as Stripe, Twilio, and Salesforce APIs into core systems.
- Participated in the design and development of microservice architectures and their deployment on AWS.
- Administered NGINX, SSL certificates, Linux-based servers, and production deployment environments.
- Worked closely with cross-functional teams throughout the SDLC, from development through QA, deployment, and ongoing production maintenance.