Responsibilities & achievements

• Led application architecture design, selecting appropriate components and technologies for optimal performance and scalability. • Configured and supported AWS services including EC2, SQS, and RDS, ensuring robust and efficient cloud infrastructure. • Implemented containerization with Docker, utilizing Dockerfile and docker-compose for environment consistency across development, testing, and production. • Managed CI/CD pipelines using GitHub Actions, automating code integration and deployment processes. • Served as team lead, overseeing project progress and coordinating team efforts. • Conducted code reviews for pull requests to maintain high-quality software development standards.

Responsibilities & achievements

• Ensured application stability by fixing critical bugs and managing system alerts. • Led the team, guiding project direction and ensuring collaborative efforts in development tasks. • Conducted thorough reviews of pull requests to maintain coding standards and enhance feature integration. • Implemented complex tasks including the development of a global search function and optimization of a data importer. • Proposed a high-level strategy for transitioning to a microservices architecture to improve scalability and maintainability. • Developed plans and led the implementation of adding a read-only database instance to distribute load and enhance performance. • Introduced system tracing initiatives to improve debugging and system reliability. • Utilized Dockerfile and docker-compose for container management, streamlining development and deployment workflows with GitHub Actions. • Organized the development process, prioritizing the resolution of critical bugs to improve application uptime. • Achieved a 1% increase in overall application uptime and maintained 4001 uptime for critical processes such as email advertisements and alerts.

Responsibilities & achievements

• Led the implementation of key features and engaged in technical discussions to optimize project outcomes. • Proactively participated in brainstorming sessions, suggesting and testing innovative ideas to enhance system performance. • Developed and implemented technical solutions, including a significant system migration to the latest OpenSearch from an older version of Elasticsearch, resulting in cost savings of over $200 per month. • Enhanced system responsiveness by up to 20% by creating monthly indexes for assets in OpenSearch. • Achieved additional cost savings of over $400 per month by migrating cron jobs from Amazon ECS to AWS Lambda, optimizing resource utilization and reducing overhead.

Responsibilities & achievements

• Developed required features and collaborated with the client and another senior backend developer to refine feature specifications. • Managed API interactions, including request and response handling and format coordination with front-end developers. • Oversaw aspects of the application related to full-text search functionalities and the integration and management of Elasticsearch within the application and on AWS. • Provided technical solutions for AWS infrastructure optimization, including decisions on instance size, Virtual Private Cloud (VPC) configurations, and the use of bastion hosts. • Implemented systems for logging and automatic generation of Swagger documentation to enhance development efficiency and system maintainability.

Responsibilities & achievements

• Designed application architecture by evaluating and selecting the most appropriate components and technologies based on project requirements and goals. • Considered scalability, performance, security, and maintainability when choosing technologies to ensure a robust and efficient application.

Responsibilities & achievements

• Designed application architecture by evaluating and selecting the most appropriate components and technologies based on project requirements and goals. • Considered scalability, performance, security, and maintainability when choosing technologies to ensure a robust and efficient application.

Responsibilities & achievements

• Developed new features to enhance application functionality and user experience. • Addressed and resolved bugs to ensure the stability and reliability of the application. • Participated in sprint planning to effectively allocate tasks and set goals for development cycles.

Responsibilities & achievements

• Built blocks caching system in Redis instead of components in file system.

Responsibilities & achievements

• Developed tests and applications, focusing on optimizing both functionality and performance. • Conducted investigations and participated in discussions to drive continuous improvement and problem-solving. • Measured and monitored performance parameters to ensure optimal operation. • Achieved a 10%-20% reduction in database query execution times through effective optimization strategies. • Developed a pre-frontend application that loaded before Magento, featuring a user interface that displays prepared data such as catalogs, products, and events. This application alleviated load from Magento, significantly speeding up response times.

Responsibilities & achievements

• Managed real-time updates of application parameters to ensure timely data accuracy and responsiveness. • Designed the database structure to optimize data organization, retrieval, and storage efficiency. • Automated application setups including migrations, fixtures, and documentation to streamline development processes and maintain consistency across environments.