Create Your First Web App with Python and Flask

Introduction to Bash Shell Scripting

Introduction to HTML5

Microsoft Certified: Azure Fundamentals

Introduction to DevOps

Programming for Everybody (Getting Started with Python)

Build a Data Science Web App with Streamlit and Python

Crash Course on Python

Introduction to Agile Development and Scrum

Integrated Master of Science

Secondary

Senior Secondary

● Provided 500+ high-quality physics solutions by leveraging advanced physics expertise and precise LaTeX formatting, leading to improved student engagement and learning outcomes. ● Utilized LaTeX to format detailed, step-by-step solutions, enhancing readability and student understanding while maintaining high quality and timely responses.

Physics QnA Expert

● Answered 200+ physics questions by applying deep subject knowledge and clear explanations, which helped thousands of students grasp complex concepts and improve academic performance. ● Delivered thorough, accessible explanations that clarified challenging topics, supporting a diverse learner base and contributing to the platform’s educational goals.

QnA Expert (Physics)

● Delivered an AWS data pipeline automation framework in Python, reducing regression test execution time by ~87.5% (from 2 hours to 15 minutes), saving over 120 man-hours monthly and accelerating delivery cycles. ● Improved AWS resource deployment and test reliability by automating orchestration of S3, Lambda, EC2, Aurora, and SNS using Boto3 SDK, boosting test stability by 30%. ● Achieved 95% automation coverage in development and system testing by containerizing a Data Validator Tool with Docker and deploying it on OpenShift, integrated seamlessly with Jenkins CI/CD pipelines, which accelerated test feedback by 40%. ● Reduced manual data inspection time by 70% and enhanced cross-database validation across PostgreSQL, Oracle, and SQL Server by leveraging DuckDB abstractions, enabling rapid verification of complex data flows. ● Spearheaded enterprise-wide adoption of reusable automation frameworks across 5+ teams, standardizing shift-left testing practices and enabling earlier defect d

Project Engineer

● Accomplished validation of infrastructure changes by architecting a production-grade k3s Kubernetes cluster on Ubuntu Server, enabling safer deployments and iterative improvements. ● Automated deployment and lifecycle management of applications by configuring FluxCD to continuously reconcile Kubernetes manifests from Git, which ensured consistent, reliable updates with minimal manual intervention. ● Accelerated development and deployment cycles by building end-to-end CI/CD pipelines in GitHub Actions and enforcing standardized developer environments via Ansible-driven Dev Containers, improving onboarding and workflow consistency. ● Strengthened cluster security posture by integrating HashiCorp Vault with External Secrets Operator, preventing secret exposure in Git and securing sensitive data management. ● Reduced environment setup time by over 95% through automation using Ansible, mise-en-place, chezmoi, and Bash scripts, enabling reproducible setups across diverse environments inclu

DevOps Assistant

DevOps Engineer | Hands-on Kubernetes, GitOps & Python Automation | Driving Operational Efficiency

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Know about Rajesh Das's work experience, education, bootcamps, certifications, and much more. Rajesh Das