Shohag Rana — DevSecOps & Cloud Engineer

Measured impact

Numbers from production.

Outcomes from real systems serving real traffic — cost, reliability, scale and recovery.

0%

AWS cost reduction — ~$15K saved every month through rightsizing & automation

0%

Uptime sustained for mission-critical fintech systems

0+

Transactions per second handled behind Cloudflare WAF & DDoS protection

0%

Faster recovery — MTTR cut in half via root-cause analysis & prevention

Career log

Where I've shipped.

Infrastructure-Focused Full Stack Software Engineer

YouxPowered · Sydney

Jul 2025 — Present

Architected end-to-end CI/CD pipelines in Jenkins & CodePipeline with blue-green deployment strategies across multiple environments.
Built infrastructure observability with Prometheus, Grafana and the ELK Stack — sharpening incident response and performance monitoring.
Stood up a self-hosted MongoDB cluster with Point-in-Time Recovery and automated backups for disaster recovery.
Managed core AWS (EC2, Beanstalk, Lambda, VPC, IAM, CloudFront, S3, LightSail, Security Groups) for scalability and compliance.
Deployed Rapid7 SIEM & Incident Command for threat detection across endpoints and cloud assets.
Led incident response and post-mortems, driving root-cause fixes and preventive measures.

↓ 50% AWS cost (~$15K/mo) ↑ 20% dev efficiency ISO 27001 certified ↓ 50% MTTR

Engineer — Platform & Integration, Systems Engineering

bKash Ltd · Fintech · Bangladesh

Oct 2021 — Feb 2023

Managed 500+ RHEL/Ubuntu VMs, automating provisioning with Ansible and cutting setup time by 40%.
Built CI/CD pipelines with Jenkins and Tekton — 20% faster deployments, fewer manual errors.
Operated containerized workloads with Docker, Kubernetes, Helm and KEDA autoscaling across 50+ production services.
Centralized logging & observability with Elastic Stack and Prometheus/Grafana, improving mean-time-to-detect by 35%.
Administered Cloudflare DNS, WAF and L7 DDoS protection — 500+ DNS entries, 50,000+ TPS.

99.99% uptime ↓ 40% provisioning time ↓ 35% MTTD 50+ services

Academic Tutor — Cybersecurity & Digital Forensics

University of Technology Sydney (UTS)

Jan 2024 — Jul 2025

Delivered instruction in Cryptography, Cybersecurity and Digital Forensics to undergraduate and postgraduate students.
Led weekly lab sessions, guiding hands-on exercises that reinforced theory with practical skill.
Evaluated assignments and projects with detailed, constructive feedback supporting academic growth.

↑ 30% participation Top satisfaction ratings Course material revamp

The stack

Tools I reach for.

Cloud, security and automation — wired together with a security-first mindset.

Cloud & DevOps

AWS EC2LambdaBeanstalkVPCIAMCloudFrontRoute 53CodePipelineAzureJenkinsDockerKubernetesHelmArgoCD

Security & Monitoring

Rapid7 SIEMPrometheusGrafanaELK StackCloudflare WAFLinux HardeningSecure CI/CDThreat AnalysisDevSecOps

Infrastructure as Code

TerraformAnsibleTektonKEDAGitBashCI/CD automation

Languages & AI Tooling

PythonGoLangJavaC++JavaScriptPHPCisco CCNACursorClaude CodeKiro

Selected work

Things I've built.

// 01 — gov fintech

National payment gateway CI/CD

Designed and ran the CI/CD pipeline for a government project delivering a central payment gateway between banks — secure, auditable releases across a regulated environment.

JenkinsBlue-GreenSecure CI/CD

// 02 — serverless at scale

200+ Lambda fleet across 5 environments

Deployed and maintained 200+ AWS Lambdas spanning dev, SIT, UAT, demo and production — including Twilio SMS, an API emailer, an AI chatbot, Equifax and Zignsec integrations.

AWS LambdaIntegrationsMulti-env

// 03 — resilience

Self-hosted MongoDB with PITR

Built and maintained a self-hosted MongoDB cluster with Point-in-Time Recovery and automated backups — a disaster-recovery posture that survives the bad days.

MongoDBPITRBackup automation

// 04 — platform

Containerized platform, 50+ services

Operated 50+ production services on Docker & Kubernetes with Helm and KEDA autoscaling, backed by centralized observability — sustaining 99.99% uptime.

KubernetesHelmKEDA

Foundations