Alireza Esmaeili

○ Designed a dynamic microservices-based architecture and constructed the infrastructure using AWS CDK, leading to reduced costs and minimized coupling between services. ○ Implemented a messaging-driven approach, leveraging AWS SNS and SQS, to optimize communication among independent microservices. ○ Implemented AWS AppSync as a GraphQL endpoint, enhancing UI performance and reducing data retrieval times. Utilized Private API Gateway to seamlessly communicate with microservices APIs within the AppSync environment. ○ Orchestrated AWS CodePipeline and implemented Git Flow, reducing deployment time and ensuring consistent feature delivery across multiple environments(development, qa, and production). ○ Achieved exceptional software quality by establishing a comprehensive test automation strategy using Jest and Playwright, resulting in a reduction in critical bugs. ○ Expertly translated Figma designs into web interfaces using React, Redux, TypeScript, SCSS, CSS, HTML, and JavaScript, ensuring high fidelity to design specs. ○ Fostered a collaborative Scrum team environment, mentored junior developers, and facilitated knowledge sharing.

○ Utilized Python and InstaPy to collect and analyze users’ social information on Instagram, extracting valuable insights to enhance our portal’s content. ○ Developed and trained a machine learning model in Python, utilizing the CatBoost training model, to extract users’ MBTI personality attributes from their social media posts. ○ Built efficient GraphQL APIs with Nest.js and TypeScript for a mobile App, leading to a considerable reduction in API response times and an increase in app performance. ○ Spearheaded the adoption of code quality standards by introducing Husky and ESLint across the team, leading to a reduction in code defects and enhancing overall development practices. ○ Implemented CQRS and Domain-Driven Design strategy, coupled with MongoDB, resulting in a reduction in code complexity and an improvement in data access performance. ○ Created a dynamic company web portal using Angular and implemented server-side rendering(SSR) using Angular Universal. ○ Migrated an on-premise Express.js Node Web API endpoint to a Serverless architecture using Serverless. com, resulting in reduced operational costs and improved system scalability.

○ Engineered a scalable IoT smart scale solution utilizing microservices architecture and Microsoft Azure core services (AppService, Functions App, IoT hub, EventHub, Service Bus). ○ Leveraged Azure IoT Hub to seamlessly integrate and exchange data between devices, streamlining device registration and communication. ○ Implemented MongoDB for efficient IoT device message storage. ○ Designed and implemented a comprehensive automated testing framework covering Unit, Integration, and End-to-End testing, enhancing software quality and reliability, and reducing critical bugs. ○ Containerized the application using Docker, enhancing portability and enabling efficient deployment across various environments, reducing deployment time. ○ Championed Scrum and Agile practices within the team, resulting in an increase in team efficiency and productivity.