Jan 2024 – Oct 2025 · 1 yr 9 mos · Kolkata, West Bengal, India · On-site

• As a Cloud Engineer in the DevOps team at Workmates Core2Cloud, I’ve contributed to the development of innovative solutions that optimize both internal infrastructure and client projects.
• In the past year, I’ve gained hands-on experience with AWS technologies, DevOps practices, and serverless architectures. My work has focused on system development, optimization, and automation, driving scalability, performance, and efficiency across our cloud environment.
• Key accomplishments include :
• Multi-Tenant Architecture - Designed custom authentication for managing tenant access.
• "Innovator of the Year" Award - Recognized for contributions to cloud computing.
• CI/CD Automation - Configured GitHub Actions workflows for faster deployments.
• AWS Solutions Architect – Associate Certification - Enhanced cloud architecture expertise.
• Optimized Backend Systems - Improved scalability and performance with Lambda, API Gateway, RDS Aurora, and Step Functions.
• RDS Proxy & Aurora Management - Streamlined database access with IAM and token generation.
• WebSocket & AppSync GraphQL APIs - Enabled real-time communication solutions.
• Terraform Automation - Reduced manual effort by 80% with automated infrastructure deployment.
• Lambda Containerization - Built custom Lambda containers for Express apps in NestJS.
• SQS with Dead Letter Queue & SES - Used SQS and SES for service decoupling and reliable notifications.
• EBS Volume Auto-Attach/Detach - Managed EBS volumes dynamically based on data size.
• CDN Functions - Developed secure traffic redirection for compliance.
• CloudFormation Templates - Automated AWS account migration with Application Composer.
• Advanced Log Filters - Enhanced monitoring and alerting with custom log filters.
• AWS Control Tower & Landing Zone - Managed multi-account environments with Terraform.
• Pulumi IaC Development - Built OOP-based infrastructure patterns

Jun 2023 – Dec 2023 · 6 mos · Kolkata, West Bengal, India · On-site

• As an Associate Cloud Engineer, I expanded my knowledge and experience working with core Linux and AWS services.
• In Linux, I worked with Nginx and Apache web servers, set up WordPress, Magento, and Drupal, configured MySQL databases, and implemented LAMP/LEMP stacks. I managed SSL/TLS certificates, containerized applications with Docker, configured firewall rules, performed package updates and security patches, automated tasks with cron.
• On the AWS front, I worked with EC2 instances using custom AMIs, configured ALB with path-based routing, set up auto scaling and scaling hooks, hosted static websites using S3 and CDN, managed CloudFront cache control, worked with Route 53 for DNS management, managed RDS databases, and configured CloudWatch for monitoring, alerts, and alarms.
• I also used Selenium for web automation testing.
• Additionally, I explored AWS Lambda, gaining hands-on experience in serverless architecture and event-driven computing, and leveraging my Python coding skills to write Lambda functions such as EC2 AMI and RDS backup detection

Feb 2023 – May 2023 · 3 mos · Kolkata, West Bengal, India · On-site

• During my tenure as a Trainee Cloud Engineer, I gained foundational experience in networking, Linux, Windows, and AWS.
• In networking, I worked with the OSI Model, IP Classes and Subnetting, switch vs hub configuration, router setup and management, DHCP configuration, DNS management, firewall configuration, VPN setup, and network traffic analysis.
• In Linux, I learned bash scripting automation, Linux file system navigation, file permissions management, log file processing, cron job automation, package management (apt/yum), resource monitoring (top/free), network interface configuration, and troubleshooting.
• On the Windows side, I handled Active Directory setup, user group management, PowerShell scripting, DNS lookups, file share management, Group Policy configuration, user account management, IIS and FTP setup, Windows Update management, and event log troubleshooting.
• Additionally, I worked with AWS services including VPC networking, EC2 instance management, SNS for notifications, IAM roles and policies, and VPN connection configuration.

Jun 2022 – Jan 2023 · 7 mos · Bhubaneswar, Odisha, India

• Worked on DMS Automation, analyzing the deduction and pre-deduction data, and merged automation.

Jan 2022 – Apr 2022 · 3 mos

• Developed an AI-enabled FinTech B2B Invoice Management Application to predict the payment due date.

May 2021 – Jan 2022 · 8 mos

• Worked on the study of Resource allocation of Ground Base Station and Satellite Base Station.