• Spearheaded the transformation of SaaS applications with a Vue.js and Node.js stack, delivering high-performance and scalable solutions.• Developed secure APIs to handle sensitive data and transaction workflows, ensuring compliance with industry standards.• Architected CI/CD pipelines using Azure DevOps, Docker, and Terraform, reducing deployment times by 50%.• Designed and implemented payment processing functionalities with Stripe and PayPal for seamless transactions.• Migrated frontend systems to a modular Vue.js architecture, enhancing UX and maintainability.• Leveraged AWS services (S3, CloudFront) to optimize content delivery across multiple regions.• Delivered clean, testable, and maintainable code with automated testing using Jest and Cypress.• Mentored junior developers, improving team productivity by 35%.

• Modernized infrastructure by migrating applications to GCP, leveraging BigQuery for efficient data processing.• Built backend services using Node.js, Python, and TypeScript, enabling integration across mobile and web apps.• Architected APIs for recurring payments and secure data handling, ensuring reliability in SaaS applications.• Automated deployments with Terraform and Jenkins, reducing manual effort by 40%.• Designed and integrated payment gateways (Stripe, PayPal) to enhance transaction reliability.• Developed microservices for scalability and modularity, reducing feature development time by 30%.• Conducted security audits and implemented OAuth2 and JWT authentication for compliance.• Established automated testing suites using Jest, Cypress, and Mocha, ensuring code reliability and minimizing bugs.

• Built and optimized APIs in Node.js with PostgreSQL for managing a cloud-based client data management system.• Developed responsive, high-performance frontends using Vue.js and Angular 4, enhancing user experience.• Integrated Stripe and PayPal for secure e-commerce and subscription payment processing.• Managed AWS cloud deployments and optimized server response times by 35% with SQL query tuning.• Established automated testing frameworks using Selenium and Mocha to ensure production reliability.