Umair Nadeem

Software Engineer

Eximo Digital•  January 2024 - January 2024•  Karachi, Pakistan

**Role: Software Engineer** **Domain: MERN Stack Development** **Key Responsibilities:** - Converted WordPress-based application to dynamic MERN application, resulting in a **60%** enhanced performance. - Used Swagger to document APIs, increasing team productivity by **40%**. Created Unit tests using Jest and Supertest, ensuring 99% functionality and reducing post-release bug fixes by **20%**. - Worked in an agile environment, completing 100% assigned stories in each sprint. - Integrated Third-Party Payment Gateways like PayPal and Stripe on e-commerce platforms, enhancing user engagement by **25%**. - Utilized Logger tools like log4js and winston to add logs in the server, reducing bug fix time by **45%**.

Software Engineer

Avanza Innovations•  January 2024 - January 2024•  Karachi, Pakistan

**Current Role: Software Engineer** **Domain: MERN Stack Development** **Key Responsibilities:** - Actively developed and delivered multiple features, optimizing queries to reduce API response times by **40%**. - Designed and implemented a robust rule engine for fraud detection, improving detection accuracy by **60%** and reducing system load time by **30%** through the addition of worker nodes. - Developed an Error Capturing service to monitor errors across microservices, logging them into Prometheus and notifying relevant entities via email based on priority, improving incident response time by **80%**. - Revamped the application's architecture, upgrading from Node.js 14 to 20 and React 14 to 18, leading to a **35%** reduction in security vulnerabilities and improved code scalability. - Collaborated with the client's VAPT (Vulnerability Assessment and Penetration Testing) team, resolving **95%** of identified vulnerabilities within set deadlines. - Actively participated in deployments to Kubernetes clusters, collaborating closely with DevOps teams to ensure efficient deployment processes and maintain high system availability. - Actively contributed to multiple fast-paced Proof of Concepts (POCs). **Active Project: UAE TRADE CONNECT (haifin)** - Development and release of product features and CRs. - Debugging and bug fixing in collaboration with the UTC team. - Deployment of images to UAT and PRODUCTION environments using Docker and Kubernetes. - Contribution to HyperLedger Smart Contracts in GoLang. **Previous Projects:** 1. **Kuwait National Petroleum Company** 2. **The Benefit Company Bahrain** 3. **Etisalat-SMILES** **Technology Stack:** *React, NodeJS, MongoDB, PSQL, Docker, Kubernetes, GoLang (HyperLedger Smart Contracts)*