- Spearheaded development projects, leveraging extensive expertise in front-end technologies including React, Vue, and Angular to deliver dynamic and responsive client-side applications - Developed server-side architectures using Node.js and Python, ensuring robust, scalable, and maintainable back-end services that support high-traffic web applications - Developed microservice architecture using Nest.js, Golang and Spring Boot, ensuring robust, scalable, and maintainable back-end services that support high-traffic web applications - Designed and developed a serverless architecture using AWS services such as API Gateway, Lambda, DynamoDB, S3, resulting in reduction of infrastructure costs and increase in application performance - Plan, organize and prioritize technical projects

- Led development of complex key features and moved repositories to the Nx Monorepo- Implemented Stripe API integration with payment flow, trial periods, monthly and yearly subscriptions, and withdrawals- Created automated testing framework in Jest, Mocha + Chai + Simon for unit testing and e2e UI testing- Promoted experience with Kubernetes, Docker, Firebase and TDD environment.- Implemented CI/CD pipelines in each step of the development cycle which improved integration and delivery towards agile methodologies - Developed blockchain solutions using web3.js, showcasing expertise in emerging technologies and contributing to the company's reputation for cutting-edge innovation

- Participated in migrating monolithic architecture to microservice architecture to improve performance of platform and data - Implemented authentication and authorization using JWT, OAuth2, OpenID - Demonstrated strong teamwork and communication skills, actively participating in agile development processes and fostering a collaborative environment focused on delivering high-quality solutions - Examined systems flow, data usage, and work processes using Jira and Trello; investigated 100% of problem areas. - Analyzed runtime performances and ran stress tests under different situations to ensure system components can meet desired behavior, efficiency and availability

- Developed web applications using sophisticated JavaScript frameworks, as well as frameworks such as Laravel, Django, Flask, and Spring- Developed Ecommerce and CRM systems with Drupal, WordPress and followed Pixel Perfect design and implementation- Translated Figma and Adobe designs to pixel-perfect, fully responsive pages utilizing Bootstrap and SCSS- Participated in building an analytics platform with senior developers, and focused on standard workflow & best practices- Develop responsive and pixel-perfect frontend by using Bootstrap4 and jQuery- Write clean, well-documented code