Rokibul Islam

DevOps Engineer | 3 years | AWS · Containers · Observability · IaC

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hello@rokibul.devHidden for privacy, please contact via emailrokibul.dev/in/rokibulislaam/rokibulislaamBengaluru, India

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DevOps Engineer with 3 years of experience building cloud infrastructure, automation tooling, and end-to-end observability stacks (logging, metrics, tracing). Maintainer of Cloudlift, an open-source AWS ECS deployment tool. Background in TypeScript/Node.js brings a product-focused perspective to reliability, performance, and developer experience.

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Cloud & Infrastructure

  • AWS
  • EC2
  • ECS
  • EKS
  • S3
  • RDS
  • DynamoDB
  • Lambda
  • VPC
  • ALB / ELB
  • CloudFront
  • Route53
  • IAM
  • Step Functions
  • CloudFormation
  • DigitalOcean
  • Google Cloud Platform (GCP)

Containers, CI/CD & Automation

  • Docker
  • Containerd
  • Kubernetes
  • k3s
  • Terraform
  • Ansible
  • Packer
  • Concourse CI
  • GitHub Actions
  • CircleCI
  • Jenkins

Streaming, Networking & Observability

  • Kinesis Data Firehose
  • MSK
  • Kafka
  • Prometheus
  • Grafana
  • Grafana Mimir
  • Loki
  • Tempo
  • OpenTelemetry
  • OpenSearch
  • Fluent-bit
  • Vector
  • Nginx
  • Traefik
  • WireGuard
  • Tailscale
  • OpenVPN

Languages, Tools & Datastores

  • Python
  • TypeScript
  • Node.js
  • Go
  • Bash
  • pytest
  • PostgreSQL
  • MongoDB
  • Redis
  • FastAPI
  • Express.js
  • GraphQL
  • REST APIs
  • gRPC
  • tRPC
  • Linux
  • Git
  • GitHub

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DevOps Engineer

Simpl (One Sigma Technologies Pvt. Ltd.) • Bengaluru, India

  • - Migrated CI/CD from CircleCI to self-hosted Concourse CI, architected & built a webhook-driven service using GitHub Webhooks, FastAPI; eliminated polling and API rate limits while reducing costs by $10K+/month.
  • - Designed and implemented a centralized logging platform using OpenSearch, Fluent Bit, and AWS Kinesis Firehose with custom DLQ and re-ingestion, replacing CloudWatch and saving $45K+/month; integrated into Cloudlift (PR).
  • - Built a unified observability platform for metrics and tracing using OpenTelemetry, Prometheus, Grafana, and Grafana Mimir on self-healing EC2 Auto Scaling Groups with Step Functions-based recovery, reducing observability costs by $10K+/month.
  • - Built a Fluent Bit distribution framework with environment-specific configs, test-driven using pytest for reliability and easy upgrades.
  • - Added support for consolidated ALBs, reducing costs by ~50% across environments (PR).
  • - Optimized EC2 spend by migrating non-production workloads to Spot instances and production to a hybrid on-demand/spot model, generating ~$8K/month in savings without impacting reliability.
  • - Built a self-service CLI for provisioning CUDA-enabled ECS workloads with configurable GPU resources, reducing platform dependency and cutting GPU costs by 50%+ compared to Databricks.
  • - Implemented a Thumbor-based image processing pipeline with CDN integration, reducing image payload sizes by 50–80% and improving application performance.
  • - Extended CI capabilities by setting up on-prem macOS workers for Concourse CI and building GitOps-driven tooling to dynamically generate Docker-in-Docker containers across environments.

DevOps Engineer Intern

Simpl (One Sigma Technologies Pvt. Ltd.) • Bengaluru, India

  • - Contributed to and maintained Cloudlift, an open-source deployment tool simplifying containerized application deployments on AWS ECS
  • - Developed automated solution for backing up Zoom recordings to AWS S3 with scheduled execution for seamless video archival
  • - Designed and implemented complex Concourse CI pipelines and custom Resources tailored to specific business requirements

Backend Developer Intern

Board Infinity • Remote

  • - Drafted comprehensive Backend Development Guideline incorporating design patterns using TypeScript and Node.js to standardize development practices
  • - Developed data migration feature for marketing analysis and targeting platforms including WebEngage and Zoho CRM
  • - Improved existing email notification system and built bulk user creation feature for B2B services

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B.Tech in Computer Science and Engineering

Lovely Professional University • CGPA: 8.03/10

Open Source

  • Maintainer - Cloudlift (AWS ECS deployment tool)
resume version: 1.0.4