Backend Software Engineer (Node.js, TypeScript, PostgreSQL)

- Designed and developed scalable backend services using Node.js, TypeScript, Express.js, PostgreSQL, and MongoDB for high-availability systems.
- Built and maintained RESTful APIs and microservices, improving performance and service-to-service communication.
- Integrated third-party payment gateways, achieving a 95% transaction success rate and reducing payment failures.
- Designed ticket management and SLA tracking systems with automated escalations and notifications, improving response times by 40%.
- Developed round-robin assignment algorithms with workload balancing and FIFO tie-breaking.
- Wrote Jest/Supertest unit and integration tests and applied SonarQube static analysis to improve code quality in CI/CD.
- Managed database migrations and seeders across development, staging, and production.

- Developed responsive user interfaces using React.js, Tailwind CSS, JavaScript, and TypeScript, increasing user engagement by 20%.
- Integrated RESTful APIs using Axios for reliable data exchange between frontend and backend services.
- Built and maintained reusable component libraries, accelerating development cycles and ensuring UI consistency.
- Refactored frontend code to improve page load performance by 15%.
- Contributed to a fiat-to-crypto transaction platform supporting secure digital payment processing.

- Designed and implemented scalable backend systems using Node.js, Express.js, JavaScript, and TypeScript, reducing average API response times.
- Built and maintained RESTful and GraphQL APIs for high-traffic, production-grade systems.
- Architected microservices and backend modules for user management, payments, and operational workflows.
- Automated web scraping and data ingestion pipelines with Puppeteer, storing data in PostgreSQL and MongoDB.
- Optimized database performance through indexing, query tuning, and schema design.
- Applied TDD with Jest and Supertest; implemented Docker containerization and CI/CD with GitHub Actions.
- Led backend development for hotel booking and food delivery platforms, focusing on payments, transactions, and user flows.Apr

- Containerized backend services with Docker and deployed applications on AWS EC2 for consistent runtime environments.
- Managed object storage with Amazon S3, maintaining data availability, integrity, and security.
- Used NGINX for reverse proxying and basic load balancing to improve request throughput.
- Streamlined deployments with Git/GitHub workflows and CI/CD pipelines for automated testing and delivery.
- Implemented real-time alerts and monitoring using Firebase and WebSockets; used Grafana and CloudWatch for metrics and logging.

- Gained hands-on exposure to slickline and e-line well intervention operations, working with gamma ray tools, swabbing processes, and pressure control systems.
- Participated in field and rig operations, applying safety protocols, teamwork, and operational best practices.

Focused on operations optimization, systems engineering, and production management. Studied applied mathematics, engineering design, industrial automation, data-driven process improvement, simulation modeling, and supply chain optimization.