Responsibilities include:

• Tech Stack: Java, Spring Boot, AWS, PostgreSQL, React, Typescript, Javascript, AngularJS, SCSS
• Implemented 30+ new features to the Enterprise Application
• Improved overall security by integrating Auth0 MFA to the application
• Migrated a critical module from AngularJS to React, reducing the number of API calls by 60%
• Implemented a multi tenant API, improving the response time by 50%
• Enhanced existing electronic ordering functionality using AWS Lambdas and State Machines to introduce seamless user experience
• Implemented 15+ REST API endpoints, and developed AWS step functions, Lambdas and CDKs for multiple new features
• Implemented a fast and standard developer portal using React and API Gateway, reducing the number of support tickets by 10%

• Engineered a high-speed billing authorization server, achieving a throughput of over 10,000 transactions per second.
• Enhanced the iTel Switch server by refactoring the codebase, which doubled the processing speed and improved code readability.
• Reduced memory overhead by 5% through meticulous memory leak investigation using VisualVM.
• Integrated IVR (Interactive Voice Response) and gTTS (Google Text-to-Speech) to enable automated text-to-speech translations.
• Tech Stack: Java, Spring Boot, Python, MySQL, VisualVM, Vue.js, Node.js, Redis

• As a Co-Founder of Sohopathi, I co-led the development of a peer-to-peer learning platform to improve the quality of education in Bangladesh.
• Grew the platform to serve over 5,000 students, with a 6% conversion rate to paid features.
• Successfully launched the initial website within three months.
• Secured partnerships with A2I, the ICT Division of Bangladesh, “10 Minute School”, and “Roar Media”.
• Selected for the “Grameenphone Pre-Accelerator 2019” program.
• Tech Stack: Web-based platform, with plans to integrate AR/VR and machine learning.