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codinguy_kazim

Kazim Abbas

@codinguy_kazim

Senior Full Stack Developer

Pakistan
English
About me
🚀 Full-Stack Software Engineer | Ruby on Rails, React.js, Node.js, Express, Next Js, React Native, Flutter, Python, Django | 4+ Years of Experience 🚀 I’m an experienced full-stack software engineer with a proven track record of developing innovative applications and customized solutions. With over 4 years of expertise, I bring a deep understanding of front-end and back-end technologies, ensuring seamless, high-performance software delivery. 🚀 Why Choose Me? I’m passionate about delivering high-quality, reliable, and scalable software. Let’s collaborate to bring your ideas to life! 💻... Read more

Skills

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codinguy_kazim
Kazim Abbas
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will develop and fix ruby on rails and react js applications
From$30 / projectMore details
DevOps Consulting
I will build secure AWS cloud infrastructure and devops solutions
From$30 / projectMore details

Portfolio

Work experience

Devox_Software

Senior Full Stack Engineer

Devox Software • Full-time

Dec 2023 - Jul 2026 • 2 yrs 7 mos

Built and optimized a multi-tenant SaaS platform serving Fortune 500 clients for privacy compliance. Reduced system response times by 60% using AWS Lambda, SQS, and DynamoDB. Architected an email outbox system for centralized communications with retry logic and delivery tracking. Designed automated billing and invoice workflows, speeding up payment cycles by 40%. Built admin portals with role-based access control for different user types. Led AWS infrastructure upgrades achieving 99.9% uptime. Developed microservices using Python, Node.js, and AWS serverless stack supporting 50,000+ concurrent users. Built APIs handling 10,000+ calls per minute. Optimized PostgreSQL and Redis performance by 50%. Built data pipelines processing 1TB+ daily using AWS Glue and Step Functions. Expanded test coverage to 90%+ across the codebase. Mentored mid-level engineers on scalable architecture practices.