Ozair Aziz

Full-Stack Developer

Fiverr • Freiberufler

Jun 2025 - Present • 11 mos

• Developed a full-featured business management platform for a curtain supplier, featuring a dynamic product catalog, client-facing quotation forms, invoice preview, and automated Purchase Order (PO), Bill of Materials (BOM), and Job Order (JO) to Order conversion workflows. Significantly streamlining operations and reducing manual processing time. • Built a full-stack marketplace platform where admins approve sellers who can then upload and manage image listings, and buyers can browse and purchase. Featuring role-based access control, image management, and a secure checkout flow. • Architected and maintained RESTful APIs and relational database schemas using NestJS, Next.js, PostgreSQL and MySQL to support complex business logic across multiple client projects.

Software Engineer

Logicon, LLC • Vollzeit

Feb 2024 - May 2025 • 1 yr 3 mos

• Developed expertise in Next.js, NestJS, and GraphQL delivering full-stack projects focused on implementation excellence and performance optimization. • Contributed to a live production Next.js/NestJS/GraphQL project integrating cryptocurrency payments for digital assets (event tickets, NFTs). • Engineered a secure, multi-role authentication system supporting 4 distinct user types, enhancing security and seamless UX across all audience segments. • Refined frontend interfaces using responsive design and accessibility standards, improving usability scores and broadening reach across diverse user groups.

Associate Software Engineer

OnyxTec Software Company • Vollzeit

Mar 2022 - Jan 2024 • 1 yr 10 mos

• Built reusable, modular React/Bootstrap 5 components, improving code maintainability and scalability. • Implemented Google/Facebook OAuth using Passport.js and integrated Google People API and YouTube Data API to enhance interactivity. • Built and deployed an investment calculator (React, Recharts, Formik, D3) with custom charts and complex dynamic forms. • Engineered an OpenAI GPT-4 chatbot with function calling for complex calculations and real-time assistance. • Designed scalable MySQL schemas with Sequelize and developed Node.js/Express back-end architectures. • Deployed and managed multiple websites on Heroku, DigitalOcean, AWS (Lightsail, EC2) with Nginx, PM2, SSL, and domain routing configurations.