🔥 Top-Rated AWS & Full-Stack Engineer | 5+ Years Building Scalable Cloud Systems 🔥
100% Client satisfaction on upwork | Delivered more that 10+ projects with a promising feedback | Long term client relationship
Why Clients Hire Me
- 5+ years of real-world production experience
- Clean, maintainable, and well-documented code
- Strong architectural thinking (not just coding)
- Fast communication & on-time delivery
- Focus on scalability, security, and AWS cost optimization
🛠 My Core Expertise
AWS & Cloud Architecture
Lambda, API Gateway, EC2, ECS, EKS, Fargate, VPC, IAM, WAF, Shield
Databases & Storage
DynamoDB, RDS, Aurora Serverless, ElastiCache, S3, CloudFront
Event-Driven & Integrations
SQS, SNS, EventBridge, Step Functions, AppSync, SES
CI/CD & Infrastructure as Code
AWS CDK, CloudFormation, CodePipeline, CodeBuild, CodeDeploy
Monitoring & Reliability
CloudWatch, New Relic, Prometheus
📌 How I Can Help You
- Design AWS architecture from scratch
- Build serverless & full-stack applications
- Optimize AWS cost & performance
- Fix production issues & improve reliability
- Automate deployments & workflows
💬 Let’s talk!
Send me a message with your idea or problem—I’ll help you find the simplest, most scalable solution 🚀
Amazon Web Services
Amazon DynamoDB
API Development
AWS Lambda
CI/CD
Amazon S3
AWS CloudFront
AWS CloudFormation
Tailwind CSS
TypeScript
React
Serverless Computing
AWS Fargate
JavaScript
Generative AI Prompt Engineering
Sajib Kumar M.
Dhaka, Bangladesh
$17/hr
5.0
18 jobs
🏆 Top Rated Freelancer (Top 10% on Upwork)
Full-stack engineer with 10+ years of experience, now focused on DevOps automation, observability, and AI-driven systems. I build scalable platforms that not only run—but monitor, diagnose, and fix themselves.
🔧 Expertise
Frontend & Backend: React, Node.js, Vue.js, FastAPI, Django, Laravel
AI Automation: Agent-based log analysis & auto-remediation systems
Observability: OpenTelemetry (logs, metrics, traces)
Distributed Systems: Kafka/NATS, RabbitMQ
Databases: PostgreSQL, MongoDB, Prisma
Cloud & DevOps: AWS, CI/CD, containerized deployments
🚀 Selected Work
Self-Healing Infrastructure Platform
End-to-end pipeline: Logs → AI Analysis → Fix → Auto PR
AI Log Analyzer Agent (mitbar-web)
Console + browser agent for real-time issue detection & fixes
Real-Time Monitoring Dashboard
Unified logs/metrics/traces with live system control
Event-Driven Automation System
Alert → AI diagnosis → automated action pipeline
🔗 References
NPM package: mitbar-web
Git automation via Octokit
Demos/code available on request
AWS Cloud9
TypeScript
PostgreSQL
React
AWS Lambda
AWS CloudFormation
Laravel
Linux System Administration
macOS
Masum K.
Dhaka, Bangladesh
$50/hr
5.0
23 jobs
I help SaaS teams stabilize AWS infrastructure, automate deployments, and ship features faster without production issues.
I’m a Full-Stack + DevOps Engineer with 15+ years of experience building and operating web platforms. I work across architecture, backend, frontend, cloud infrastructure, CI/CD, security, and production reliability.
Core stack:
- AWS: ECS, EC2, Lambda, RDS, S3, CloudWatch, IAM, Secrets Manager
- DevOps: Terraform/Terragrunt, Docker, GitHub Actions, GitLab CI, blue/green deployments
- Backend: Node.js, Python, Java (Spring), PostgreSQL, MySQL, MongoDB
- Frontend: React, Next.js, TypeScript
Recent project highlights:
- Giftpage: Led full-stack + AWS platform work, CI/CD automation, and production hardening (including Lovable-based migration work).
- TermMax: Senior Technical Architect for AWS platform architecture, Terraform standards, security controls, and deployment workflows.
- TermStructure Institutional: Designed reusable infra modules, ALB/CloudFront routing strategy, and observability standards.
I also worked as a Senior DevOps Engineer with TKSpring and Inspired Concepts, handling enterprise-grade delivery and production operations.
I recently returned to Upwork after long-term external engagements, and I’m now fully active for ongoing projects.
If you need someone who can both fix today’s production issue and improve long-term engineering reliability, I can help.
Amazon Web Services
Linux
Python
DevOps
Microservice
Spring Boot
Database Design
Angular 6
Docker
Terraform
MySQL
Software Architecture & Design
Node.js
Md Harunur R.
Dhaka, Bangladesh
$60/hr
4.9
146 jobs
🚀 AWS DevOps & Backend Engineer | 17 Yrs | $400K+ Delivered | 100% Job Success
Seventeen years in software. Nine of them were deep in AWS and infrastructure work. I'm an AWS Community Builder with all 12 AWS certifications and Terraform certified. But honestly, what matters is the work. Nearly $500K, almost 150 Upwork projects, 100% Job Success, Top Rated. That happens because I focus on what clients actually need.
✅ What You Get
- AWS architecture that scales to enterprise demands without breaking at 10K users
- Infrastructure as Code that makes deployments repeatable and predictable
- CI/CD pipelines cutting deployment time by up to 90%
- Backend systems handling complex business logic reliably
- Cloud migrations done right, not just lift-and-shift chaos
- Documentation and clean handoffs, not cryptic disappearing acts
- Systems running at 99.9% uptime consistently
- Full compliance support: PCI, HIPAA, SOC2, security hardening
🏢 Past Clients: South River Mortgage, SocialHP, Trinax Singapore. Nearly 150 projects delivered across startups to enterprise at 100% Job Success.
🎯 Why Hire Me
I don't just grab requirements and start coding. Look, I ask what's actually constraining you. Timeline? Budget? What's your team capable of right now? Where do you want to be in two years? That conversation matters. It helps me pick the right tool instead of just the flashy one on a resume. Saves money. Saves headaches.
I work with bootstrapped startups and established enterprises. The real magic happens when people actually talk. You won't get someone who disappears when requirements shift. Responsive, transparent, adjusts without drama.
🏗️ Infrastructure and Cloud
- Architecture from scratch, multi-region and disaster recovery designs
- Infrastructure as Code: Terraform, CloudFormation, CDK
- CI/CD pipelines: GitHub Actions, CodePipeline, Jenkins
- Containers: ECS, EKS, Docker, Kubernetes
- High availability, compliance (PCI, HIPAA, SOC2), security hardening
- Monitoring and observability: CloudWatch, Prometheus, ELK Stack
- Cloud migrations and cost optimization strategies
💻 Backend Systems
- 7+ years with Laravel, full ecosystem: Jetstream, Passport, Cashier, Nova, Spark
- Multi-tenant SaaS platforms, ERP systems, CRM platforms from the ground up
- Modern stacks: TALL, TIL
- Payment integrations: Stripe, PayPal, Paddle
- Queues: Redis, SQS, RabbitMQ
- Search: Elasticsearch, Algolia
- Microservices and APIs
- Secondary languages: PHP, Golang, Python, Node.js
- Deployment: Vapor, Forge, Envoyer
📊 Real Results
One client had deployments that took forever. We built out CI/CD properly and cut it by 90%. Another client? AWS bill was out of control. Did an architecture review and dropped costs 30-35%. There was a legacy monolith somewhere else. Needed serious work. Performance improved 70-90% after we dug in. The systems I build stay at 99.9% uptime.
📋 Certifications
AWS IQ Expert. All 12 AWS certifications: Solutions Architect Professional, DevOps Professional, Security Specialty, Advanced Networking Specialty, Machine Learning Specialty, Data Analytics Specialty, Database Specialty, SAP Specialty, SysOps Admin Associate, Developer Associate, Solutions Architect Associate, Cloud Practitioner. Terraform certified. Scrum certified.
🔍 Free 15-Min Audit
Got an existing system limping along? Or a new project you want to start right? I do free 15-minute calls. Look at your setup, give honest feedback on where things stand. No pitch. No obligation.
New project that needs someone who moves fast without being sloppy? Or something existing that actually needs real attention? Tell me what you're building. Let's figure out if we're a good fit.
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AWS DevOps | AWS Solutions Architect | Infrastructure as Code | Terraform | CI/CD | Kubernetes | ECS | EKS | Docker | Cloud Migrations | Cost Optimization | SaaS Architecture | Multi-tenant Systems | High Availability | Disaster Recovery | Laravel | Stripe | Payment Systems | Monitoring | Observability | Security Hardening | PCI HIPAA SOC2 | Microservices | API Development
Amazon Web Services
DevOps
AWS Application
Cloud Architecture
Containerization
Serverless Computing
Kubernetes
Docker
API Development
Software Architecture & Design
Cloud Computing
Linux System Administration
Infrastructure as Code
Product Development
Microservice
Muhammad Kamrul Hasan S.
Dhaka, Bangladesh
$20/hr
5.0
27 jobs
Expert AWS SysOps Administrator, Linux, Domain, Windows, VMware | Certified and Experienced IT Professional
Welcome to my profile! My name is Kamrul. I am an IT Administrator with more than thirteen years of market experience.
✅ 14+ years of experience
✅ 100% Job Success
✅ 52+ Upwork Hours
✅ 200+ 5-star Reviews on different platforms
Cloud, Linux, DNS Expertise:
✔ EC2, LightSail, ELB, EC2 Key reset for SSH access
✔ EBS, EFS, S3, CloudFront, CI/CD with Elastic Beanstalk deploy, GitHub
✔ VPC, VPC Peering, Internet Gateway, NAT Gateway
✔ Networking, Network ACLs, Security Groups, WAF, Site to Site VPN, AWS VPN Client
✔ CloudFront, Kinesis Streaming, Glue, ETL Pipeline, APIs Custom Domain,
✔ Live streaming on AWS using S3, MediaLive, MediaPackage,
✔ OpenSearch, System Manager (OS Patching, In place OS Upgradation)
✔ RDS, MySQL, MongoDB, MSSQL, PostgresSQL, AWS app runner with VPC
✔ AWS Backup, Snapshot
✔ CloudWatch, EventBridge, Cloudformation, SES, SNS, SQS
✔ ACM SSL, security, Route 53
✔ AWS budget, Cost explorer, IAM management
✔ Azure VMs, Virtual Network Gateway, Application Gateway with WAF, Load balancer, Storage Accounts
✔ Web Apps services hosting (WordPress and so on), Domain Migration
✔ Installation and Configuration-Redhat Enterprise Linux, CentOS, Ubuntu, Amazon Linux2, and so on
✔ Nginx, Apache, SFTP, IIS, SSH, LetsEncrypt SSL with auto-renew, OpenSSL
✔ GoDaddy, Comodo, DigitalOcean, Squarespace, Namecheap DNS management
✔ DNS Record Configuration for all platforms - A, CNAME, MX, SPF, DKIM, DMARC, TXT and so on.
Windows, VMware, Hyper-V, Virtual Box, and VPS Expertise:
✔ Virtual Machines Installation, Configuration, Troubleshooting
✔ Resource Provisioning - CPU, Memory, Disk
✔Features Configuration and Manage vCenter Server - Resource Pool, Cluster, HA, DRS, FT, vMotion
✔ Network Configuration - VMkernal, Virtual Switch, Distributed Switch
✔ vCenter Backup & Restore, Virtual Machines Clone, Snapshot
✔ Installation and Configuration - Oracle VM VirtualBox, VMware Workstation, VPS Cloud Server
✔ Windows and Linux Server Configuration - LAMP, SFTP, Apache, Nginx, NextJS, NodeJS, IIS, RDP, SSH, SCP, XRDP
Professional Certifications:
✔ AWS SysOps Administrator - Associate
✔ RedHat Certified System Administrator (RHCSA V9)
✔ VMware Certified Professional (VCP-DCV)
✔ Microsoft Certified IT Professional (MCITP)
✔ Microsoft Certified Solution Associate (MCSA)
✔ Cisco Certified Network Associate (CCNA)
✔ CompTIA A+ EXAM CODES 220-1001 & 220-1002 (CORE SERIES)
✔ Microsoft Certified: Azure Administrator Associate (AZ-104)
I am inviting you to taste my quality of service. Please check out my Portfolio. I have done several jobs and successfully delivered them to my company and multiplatform marketplace client.
Amazon Web Services
Network Monitoring
Amazon EC2
GoDaddy
Amazon S3
Amazon Virtual Private Cloud
SSL Certificate
Web Application Firewall
Amazon Elastic Beanstalk
Amazon Lightsail
AWS CloudFront
AWS Elemental MediaLive
NGINX
Microsoft Azure
Load Balancing
R-Rafi Mohammed A.
Gaibandha, Bangladesh
$10/hr
5.0
3 jobs
Building cloud infrastructure that fails under load or gets compromised costs businesses thousands. I help startups and companies deploy secure, scalable, and production-ready cloud systems — done right the first time.
I'm a Cloud, Linux & DevOps Engineer with hands-on experience in AWS, Azure, Linux server administration, and DevOps automation. With professional networking certifications (MTCNA, MTCRE, MTCSE), I bring real engineering discipline to every project — not just quick setups, but reliable systems built to last.
Whether you need a secure AWS environment, a configured Linux server, or a fully automated CI/CD pipeline, I deliver clean, documented, and production-ready infrastructure.
🖥️ System Administration & Cloud Server Management
- Linux Server Setup & Management (Ubuntu, Debian, CentOS)
- AWS & Azure VM Deployment and Configuration
- Nginx & Apache Web Server Setup, Reverse Proxy, SSL (Let's Encrypt)
-Firewall Configuration (UFW, iptables, Security Groups)
-SSH Hardening & Remote Access Security
- IAM Roles, Users, and Permission Policies
- Automated Backups & Disaster Recovery Planning
- Monitoring & Alerting (CloudWatch, Azure Monitor, htop, logwatch)
- System Performance Tuning & Log Management
- Bash Scripting, Cron Jobs & Task Automation
⚙️ DevOps & Automation
- CI/CD Pipelines (GitHub Actions, GitLab CI, Jenkins)
-> Docker Containerization & Container Networking
-> Infrastructure Automation with Bash
-> Git Version Control & Deployment Workflows
-> Cloud Resource Optimization & Cost Control
-> Environment Management & Production Procedures
-> Uptime & Availability Design
🌐 Networking (Applied to Cloud & Servers)
-> VPC Design, Subnets, Routing & Security Groups
-> DNS Management & Route 53
-> Load Balancer Setup & Configuration
-> VPN & Site-to-Site Connectivity
-> Firewall Policy Design
-> TCP/IP, NAT & DNS Fundamentals
⚡ Why Clients Choose Me
Security-First: Every setup is hardened, tested, and follows best practices
Production-Ready Delivery: I don't just deploy — I document, optimize, and hand over clean systems
Clear Communication: Regular updates, no technical jargon, full transparency
Fast & Reliable: I meet deadlines and stay available for post-delivery support
Always Current: I stay up to date with AWS, Linux, and DevOps industry standards
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Kinetic Investments
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Summa Linguae
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