Backend and infrastructure engineer, AWS is home. The thing I keep getting pulled into lately is cost, because most AWS waste hides behind stuff that works and nobody questions the service that runs fine.
I cut a production search setup 85%, Aurora at $4,200/mo down to DynamoDB plus OpenSearch around $630. Nobody had touched it in a year because it was "working." Found CloudWatch logs double-shipping at $2,766/mo because two teams set up logging and nobody checked for overlap. Found metric streams burning $1,900/mo sending everything unfiltered across regions.
That pattern got annoying enough that I built CostPatrol, an AWS cost tool with 123 detection rules across 30 AWS services that scans an account in about a minute and hands you the exact fix commands. Shipped it in two weeks.
So if your AWS bill is climbing and nobody can tell you why, that's the work I want. Connect a read-only role, I scan, and you get a ranked list of what's leaking and what it costs. No guessing.
The cost instinct comes from running production for years, not reading about it. Some of what I've built:
- Payment service for a major UK ticketing platform. Worldpay, Apple Pay, Google Pay. Real money, high volume.
- Flash sales at tens of thousands of requests a minute across 80+ venues. 100x DynamoDB throttling reduction by consolidating scheduled work.
- Uptime from 97.8% to 99.99%. The fix was ripping out a flaky CMS causing cascading failures, not adding anything.
- Deploy times from 45 minutes to under 5, across 40+ brands and 4 AWS regions. Feature rollouts from 10 minutes to 5 seconds after moving the frontend to Next.js on App Runner.
- AI chatbot on Bedrock and Claude, RAG with PII redaction, automating 80% of inquiries.
Claude Code is my primary dev tool now. I write the spec, it does the implementation, and I gate the parts that actually bite, auth, money, security, infra. Last year I shipped four production products solo this way: an AWS cost SaaS, an institutional deal-verification platform, an AI nutrition coach, and a quant trading engine. The language stopped being the hard part. What breaks at 3am, what needs a human looking at it, that's the part a model doesn't give you. So the stack is a detail. Node and Python are home, but I'll reach for whatever the job needs.
Industries I've shipped production in: fintech (KYC/AML onboarding, payments, multi-tenant auth with Cognito), wealth and investments (unit-trust onboarding, fund operations), healthcare (HIPAA, KMS, VPC isolation), ticketing and entertainment (flash-sale load, multi-region, multi-brand), legal-tech (dispute resolution, OCR, e-signatures), e-commerce, petroleum (Fortune 500 dashboards, SAP, Step Functions ETL), IoT (real-time telemetry, leak detection), and blockchain (Hyperledger identity, audit trails).
What I take on: AWS cost audits and FinOps (not only AWS, I've trimmed observability tool spend too), backend and API builds (Node, Python, GraphQL, REST), DevOps and infrastructure-as-code (Terraform, CDK, Serverless, CI/CD, multi-account), observability and alerting as code (Pulumi, New Relic, NRQL), AI and LLM work (RAG, agents, Bedrock, Comprehend, Textract, vector search), GEO and AEO optimization for AI search visibility, and architecture, breaking monoliths into event-driven microservices that hold up under load.
What I reach for most: AWS (Lambda, ECS, Fargate, DynamoDB, EventBridge, Step Functions, SQS, CloudFormation, CDK, Terraform), Node.js/TypeScript, Python, Claude/Bedrock, LangChain, FAISS, OpenSearch, PostgreSQL, Aurora, Redis, GraphQL, Stripe, Cognito, Cloudflare Workers, Pulumi, New Relic, React/Next.js.
Send over what you're dealing with, the bill that doesn't add up or the system that keeps paging someone, and I'll tell you how I'd approach it.
AWS Lambda
Infrastructure as Code
Node.js
Python
Serverless Computing
TypeScript
Amazon DynamoDB
Terraform
API Development
GraphQL
PostgreSQL
Docker
CI/CD
Microservice
REST API
Artificial Intelligence
Stripe
React
New Relic
Payment Gateway Integration
Youssef A.
Maadi Cornish, Egypt
$8/hr
4.9
15 jobs
๐ ๐ฎ๐ฅ๐ฅ ๐๐ญ๐๐๐ค ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐๐๐๐๐ญ.๐ฃ๐ฌ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐๐จ๐๐.๐ฃ๐ฌ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐๐๐ซ๐๐ฏ๐๐ฅ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐๐ฒ๐ญ๐ก๐จ๐ง ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐๐๐๐ ๐๐ญ๐๐๐ค ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐๐ ๐๐ง๐ ๐๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ
Top-Rated Full-Stack Developer | 500+ Upwork Hours | 100% Job Success | MERN Stack Expert Delivering Scalable and Custom Web Solutions
๐จโ๐ป ๐๐๐จ๐ฎ๐ญ ๐ฆ๐ :
Iโm a Top-Rated Full-Stack Web Developer specializing in React.js, Node.js, and the MERN stack. I build secure, scalable and high-performance web applications tailored to your goals.
From startup MVPs to enterprise-grade platforms, I deliver solutions that are conversion-focused, SEO-optimized, and designed for long-term growth.
โก Tech Stack Expertise:
Frontend/UI: React.js, Next.js, Redux, Tailwind, Material UI
Backend: Node.js, Laravel/PHP, Django/Python, REST & GraphQL APIs
Databases: PostgreSQL, MySQL, MongoDB, Firebase, Redis
DevOps & Hosting: Docker, GitHub Actions, AWS, DigitalOcean, Vercel
Testing & QA: Jest, PyTest, Cypress, Postman, Lighthouse
Payments: Stripe, PayPal, Apple Pay, Braintree
Collaboration: Figma, Trello, Notion, ClickUp, Jira
โก My Services
1. Full Stack Development | Website & SaaS Development | Cloud Solutions
I specialize in full stack web solutions and SaaS development, covering both frontend and backend development along with deployment.
2. UI/UX Design & Prototyping
Wireframes, Figma prototypes & pixel-perfect responsive UIs
Mobile-first, SEO-ready, and optimized for Core Web Vitals
Data-driven UX decisions to improve engagement & conversions
3. Modern Backend & API Engineering
Node.js, Laravel, Python/Django REST APIs, GraphQL
Authentication (JWT, OAuth2, Firebase Auth, Auth0)
Microservices, caching, and real-time data sync
4. Marketplaces & Multi-Vendor Platforms
Custom vendor dashboards, onboarding & inventory management
Secure payment flows (Stripe Connect, PayPal, Apple Pay)
Order tracking, real-time notifications, and review systems
5. Payment Gateway & Automation
Stripe, PayPal, Apple Pay, Braintree integrations
Subscription billing, invoicing, automated refunds
Webhook-based automation for workflows & reporting
6. Database Architecture & Performance
Relational (PostgreSQL, MySQL) & NoSQL (MongoDB, Firebase)
Optimized queries, schema design, migrations, and scalability
High-traffic systems with caching (Redis, Memcached)
7. Third-Party & Microservice Integrations
CRM (Salesforce, HubSpot, Zoho), Marketing (Klaviyo, Mailchimp)
ERP, POS, Payment, and Analytics services
API-first architecture & event-driven automation
โก Niche focus and client results:
โ SaaS Platforms โ Scalable MVPs, subscription billing, reporting dashboards
โ Marketplaces โ Vendor portals, secure payment workflows, geo-location features
โ B2B Tools โ Admin dashboards, workflow automation, multi-role access
โ FinTech Apps โ PCI-DSS compliant payments, invoice & subscription logic
โ Logistics Solutions โ API-driven order tracking, real-time notifications
โ Legacy Refactoring โ Laravel, React, and Django modernization & migration
โก Why client hire me ?
โ Proven track record: 100+ projects delivered (MVP โ Enterprise scale)
โ SEO-ready, mobile-first, conversion-focused builds
โ Clean, maintainable, and future-proof codebase
โ Agile delivery with daily/weekly progress updates
โ US/EU timezone overlap & fluent communication
โ Strategic partner: Not just code, but business-aligned solutions
โก Let's build something impactful:
Whether youโre launching a SaaS startup, scaling a marketplace, modernizing your codebase, or automating workflows, I help businesses ship faster, scale smarter, and grow strategically.
As a specialized SaaS developer and Full Stack Web Developer, I bring deep expertise in React, Node.js, and the MERN stack to build scalable, high-performance, and revenue-ready products that deliver results.
Letโs connect and discuss how we can turn your idea into a robust, scalable, and user-focused application that accelerates growth and drives success.
Keywords ( for better profile visibility )
Full Stack Developer | Full Stack Expert | Full Stack Specialist | React Developer | Node.js Developer | MERN Stack Developer | Backend Developer | React.js | Node.js | Senior Full Stack Developer | Full Stack Specialist |
Full-Stack Developer (React / Node.js) | React/NestJS/AWS Developer | Full Stack Web Developer | React / Next.js Developer | React.js Expert | React Developer | Node Developer | Node.js | NodeReact | Specialize in Node.js | Node Backend | React Node Expert | React Web Development | Node Web Development | Full Stack MERN Developer | Python Full Stack Developer | Full Stack Developer (React) | Full Stack Laravel Developer | Senior Software Developer | Enterprise SaaS, admin dashboard, Laravel, Livewire, role-based analytics, reporting, internal workflow automation | SaaS developer | MERN Stack Developer | Full Stack Expert
JavaScript
Web Application
Full-Stack Development
Front-End Development
Next.js
Web Development
CSS
Bootstrap
WordPress
Shopify
Ahmed K.
Giza, Egypt
$50/hr
5.0
19 jobs
AWS Solutions Architect | Full-Stack Developer | Cloud & Database Expert
I design and build modern, scalable cloud systems โ helping businesses move fast, stay secure, and serve millions of users.
With 12+ years of experience, Iโve led teams, architected full systems, and delivered real-world SaaS platforms used by thousands of MSPs and millions of end users โ across healthcare, security, and enterprise sectors.
My strengths:
โ AWS Solutions Architecture โ Lambda, API Gateway, RDS, DynamoDB, S3, CloudFront
โ Python (Flask), Node.js, React, MySQL, NoSQL
โ Designing high-performance, scalable databases
โ CI/CD pipelines โ CodePipeline, CodeBuild, GitHub Actions
โ Docker, Kubernetes
โ Legacy migration to serverless
โ Solutions trusted by top U.S. clients โ including recent work for Breach Secure Now platform (SaaS used by millions)
Letโs discuss your project โ I can offer a free consultation to show how I approach architecture and performance design.
Amazon RDS
AWS Lambda
Cloud Architecture
DevOps
NoSQL Database
Python
Amazon API Gateway
REST API
Microservice
Docker
GraphQL
Solution Architecture
CI/CD
Microsoft Azure
Azure App Service
Fadi W.
Alexandria, Egypt
$15/hr
4.2
42 jobs
11 years of IT experience bridging the gap between clean code and robust cloud infrastructure.
- DevOps & AWS Specialist (8 Years): Expert in cloud architecture, CI/CD pipelines, and infrastructure automation.
- Full-Stack Developer (3 Years): Deep understanding of application code to troubleshoot deployment issues instantly.
- Optimization Expert: Focused on high system performance, zero-downtime releases, and AWS cost reduction.
Available for contracts requiring immediate troubleshooting, deployment setups, and cloud scaling.
Node.js
jQuery
SQL
ASP.NET MVC
PHP
C#
ASP.NET
Microsoft SQL Server Programming
Ahmed H.
Cairo, Egypt
$30/hr
5.0
9 jobs
I Have working experience on
Programming in:Python , C/C++ , Embedded C , Rust
Embedded Systems
Linux
Different cloud based solutions of AWS EC2,S3,EBS,EFS,RDS,IAM,VPN,ECS,Elasticbeanstalk,lambda,cloudwatch,SNS,SES,workmail,Rout53,ELB,Cloudtrail,cloud9,Rekognition,ssm,amazon workspace and much more.
And optimizing cost usage.
Experience in migrating workloads to AWS platform using aws tools like sms,aws import/export and 3rd party tools like cloudendure.
Good knowledge of CI/CD tool (Jenkins).
Good knowledge of Docker Container service and Kubernetes.
experience in Linux(centos,fedora,REHL,Suse..etc),windows servers.
experience in wordpress,Nginx apps.
experience in databases(mysql,MSSQL,oracle,dynamodb,...etc)
experience in scripting using : Bash,Python.
experience in SSL certificates and SSL deployment on different OS distributions
Holding 3 Aws Certifications:
-AWS Certified Developer - Associate
-AWS Certified Solutions Architect - Associate
-AWS Certified SysOps Administrator - Associate
-AWS Machine learning Certified
Certified Data Analysis from Udacity.
+5 years of Autosar and Automotive SW/HW Experience
Worked also on VMware virtualization , Trendmicro products and Embedded systems.
Programming experience in :C/C++,Python,PHP,Java,HTML,Css,javascript.
As a Summary:
I am Multiskilled Engineer Having Experience in:
AWS
Web Development
Linux
Programming in:Python , C/C++ , Embedded C , Rust
Data/Business Analytics
Embedded Systems
Autosar
Devops
I highly value my employer's time, and frequent communication is very important to me. Meeting deadlines, while keeping great quality, is my priority
AWS Lambda
Python
C++
C
Embedded System
AWS Server Migration
Linux System Administration
Bash Programming
AWS CloudFront
AWS CloudTrail
Amazon SageMaker
Automotive Engineering
Data Analytics
AWS IoT Core
Mohamed K.
Cairo, Egypt
$60/hr
4.6
274 jobs
๐ Elevating Cloud Solutions with Expertise and Passion
Greetings! I'm an AWS Certified Engineer, specializing in Solution Architecture and DevOps, currently on the lookout for exciting Full-Time opportunities. With a wealth of experience and a commitment to excellence, I bring a dynamic skill set to the table.
๐ก Key Skills and Certifications:
AWS Certified Engineer in the professional stages: Solution Architect and DevOps
AWS Certified Engineer in the three associate stages: Solution Architect, SysOps, Developer
AWS Security Specialist
๐ง Technical Proficiency:
Proficient in Linux, Windows, Apache, Nginx, MySQL, and MSSQL administration
Solid skills in AWS services: EC2, RDS, VPC, VPN, S3, CloudFront, Workspace, SES, Route53, ECS, Elastic Beanstalk, and more
Expertise in AWS DevOps tools: AWS Code Commit, AWS Code Deploy, AWS Code Pipeline
Mastery of open-source DevOps tools: Github, Docker, Jenkins, Gitlab, Kubernetes
Deep familiarity with infrastructure tools, particularly Terraform and CloudFormation
Extensive experience with migration tools for seamless transitions across cloud providers
Proficient in scripting languages such as Bash and Python
๐ Broad Knowledge Base:
Adept in Networking (CCNA Course), Cyber Security Concepts, Cloud Computing, and Virtualization
Specialized skills in SSL Configuration
๐ ๏ธ Passion for Continuous Improvement:
I thrive on utilizing cutting-edge technologies to enhance infrastructure efficiency, streamline processes, and drive organizational success. My commitment to innovation, combined with a strong foundation in AWS and DevOps practices, positions me as a valuable asset for your team.
Amazon EC2
AWS CloudFormation
AWS Lambda
DevOps
Node.js
Python
Terraform
Microsoft Azure
Scripting
Linux System Administration
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