Debarghya Chakraborty
Site Reliability Engineer @ Real-Time Server Monitoring System | OWASP ZAP, Python Docker, K8, Ansible/Terraform, CI/CD(Jenkins/Github Actions) · Kolkata, West Bengal, India
I'm a Site Reliability Engineer with 3 years of experience keeping complex systems resilient and observable, driven by a genuine curiosity to understand how things break — and how to build them better. I bring a balanced blend of logic and empathy to my work, approaching problems with an open mind and the resourcefulness to adapt when the unexpected strikes. Guided by a slightly idealistic belief that reliability is a craft worth mastering, I thrive in ambiguous environments where flexibility and deep technical ownership go hand in hand.
Experience
Site Reliability Engineer
Real-Time Server Monitoring System · Aug 2025 – Sep 2025
- Deployed Prometheus and Grafana monitoring stack across 3 Linux servers, establishing centralized observability and enabling proactive incident detection before user impact.
- Configured Node Exporter and 2 custom Python exporters to track CPU utilization, memory usage, disk I/O, and application-specific metrics, reducing blind spots by 100% across monitored infrastructure.
- Achieved 99% observational uptime by implementing threshold-based alerting rules with Alertmanager, cutting mean-time-to-detection (MTTD) for infrastructure incidents by an estimated 60%.
- Designed Grafana dashboards for real-time visualization of time-series data, improving on-call response efficiency and supporting capacity planning decisions.
DevOps Engineer
Automated Cloud-Native CI/CD Pipeline · Jun 2025 – Jul 2025
- Built a Docker-in-Docker (dind) GitLab CI pipeline with Git commit SHA-based image tagging, cutting deployment rollback time to under 5 minutes for any release.
- Automated quality gates including Pytest unit tests and SAST security scanning in the build pipeline, blocking 100% of flagged vulnerabilities from reaching production.
- Secured Kubernetes cluster credentials using GitLab Protected Variables and Base64 encoding, implementing DevSecOps secrets management across the full deployment lifecycle.
- Eliminated manual deployment steps across build, test, and deploy stages, improving release consistency and reducing human error in production deployments.
DevOps Engineer
Scalable Three-Tier Microservices Deployment · Jul 2024 – Aug 2024
- Containerized a Python Flask and PostgreSQL web application using Docker, achieving consistent and reproducible runtime environments across development and production.
- Deployed the application on a Kubernetes cluster with internal DNS service discovery and Load Balancer-exposed frontend, ensuring high availability and fault tolerance across 3 service tiers.
- Protected database credentials with Kubernetes Secrets and provisioned Persistent Volumes (PV/PVC) to guarantee stateful data durability across pod restarts and redeployments.
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Education
Bachelor of Technology, Computer Engineering
Lovely Professional University · 2022 — 2026
HIGH SCHOOL/SECONDARY DIPLOMAS AND CERTIFICATES
Army Public School Kolkata · 2010 — 2022
Class XII (Intermediate)
Army Public School Kolkata
Class X (Matriculation)
Army Public School Kolkata
Contact details
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