Migrate the old system to AWS Cloud and microservices. Propose solutions to resolve existing problems and provide support for fixing production issues. Assist team members when possible. Create and manage infrastructure using Terraform and AWS CDK, and implement branching strategies. Implement CloudWatch alarms to monitor systems based on logs, with notifications sent to Slack channels. Add CI/CD pipeline configurations for new repositories and migrate existing pipelines from Jenkins and CodeBuild to GitHub Actions. Enhance Jenkins performance. Investigate issues using Splunk and New Relic notifications received in Slack channels, focusing on performance issues and REST API problems. Implement deployment strategies, including blue/green deployment for Elastic Beanstalk, rolling updates, and canary deployments for Lambda serverless applications. Develop strategies for disaster recovery, failover, auto-scaling, and ensuring high availability.

Implement all requirements from users into the application, including adding new fields to screens, developing new functions or schedules, designing and implementing new screens, and developing new services. Support fixing production issues and assist other team members when possible. Monitor the system based on logs. Add and update the pipeline to support CI/CD on Jenkins. Collaborate with other teams to improve and enhance the CI/CD pipeline.

Developed a web service integration to retrieve customer information, fetch bills, and process payments. Integrated this functionality into the Sacombank bill system. Collaborated with the team to optimize application performance, supporting thousands of concurrent users.

Develop controls like textboxes, combo boxes, and captchas. Save control properties and form architecture into the database.