Full Stack Engineer
Usman A. is a highly skilled Full Stack Software Engineer with a proven track record in developing scalable, production-ready web applications across multiple industries. He brings expertise in the MERN stack—MongoDB, Express.js, React.js, Node.js—supplemented by strong proficiency with Next.js, NestJS, FastAPI, Django, and integrating Generative AI technologies such as OpenAI and Gemini. Usman has hands-on experience building and deploying end-to-end solutions, including responsive user interfaces with HTML, CSS,…
Built a responsive expense tracking application that records daily spending, categorizes transactions, and visualizes financial data through interactive charts. Integrated NLP-based expense entry, allowing users to add transactions using natural language. Implemented AI-powered monthly summaries that highlight spending patterns, identify problem areas, and surface positive financial habits to improve money management.
Full Stack Engineer
eLeaderzFeb 2026 — Present- Built and deployed scalable full-stack applications using MERN and Next.js, improving user engagement by 35–45% through optimized UI/UX and faster page loads.
- Designed RESTful APIs using Node.js and FastAPI, reducing backend response time by 30% via query optimization and efficient data modeling.
- Implemented authentication systems (JWT, role-based access), enhancing application security and reducing unauthorized access incidents by 100%.
- Optimized MongoDB and SQL queries with indexing and aggregation pipelines, decreasing database load time by 40% under concurrent traffic.
- Developed server-side rendered (SSR) and static optimized pages in Next.js, improving SEO performance and increasing organic traffic by 25%.
- Integrated third-party APIs and AI services, automating workflows and reducing manual operational effort by 50%.
ReactJsNodeJsExpressJsNextJsDjangoFastAPIMongoDBPostgreSQLPrismaFull Stack Software Engineer
GosignMay 2025 — Feb 2026- Built and maintained production applications using NestJS and ReactJS, improving backend performance and frontend responsiveness.
- Designed and optimized RESTful APIs, reducing response time by 25% through efficient service and query design.
- Configured and customized TYPO3 CMS, streamlining content workflows and cutting publishing time by 40%.
ReactJsNodeJsNestJsExpressJsNextJsPHPMySQLtypo3WordpressJoomlaGitGitlabCI/CDVector DatabasesPineconeembeddingsLLMsOpenAIGeminiTailwindCSSShadcn UISoftware Engineer Intern
GosignFeb 2025 — Apr 2025- Resolved critical production issues, improving system stability and reducing downtime. Collaborated with cross-functional teams to deliver high-performance web and CMS solutions on schedule.
- Contributed to GenAI initiatives, automating content generation and reducing manual effort by 50%.
- Explored Agentic AI workflows to enable autonomous task execution and process optimization.
LLMsOpenAIGeminiReactJsReactJSWeb Developer Intern
HiSkyTechAug 2024 — Jan 2025- Built responsive web applications using HTML, CSS, and JavaScript, improving user engagement through clean UI and intuitive interactions.
- Developed dynamic frontend features with vanilla JavaScript, reducing page reload dependency and improving user experience.
- Optimized layouts for cross-browser and mobile compatibility, increasing accessibility and usability across devices.
- Implemented form validations and client-side logic, reducing user input errors and improving data accuracy.
HTMLCSSJavascriptThirdParty APIsBootstrap
Bachelor of Science in Information Technology
University of SargodhaSargodha2021 — 2025

Full Stack Engineer
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Usman A. is a highly skilled Full Stack Software Engineer with a proven track record in developing scalable, production-ready web applications across multiple industries. He brings expertise in the MERN stack—MongoDB, Express.js, React.js, Node.js—supplemented by strong proficiency with Next.js, NestJS, FastAPI, Django, and integrating Generative AI technologies such as OpenAI and Gemini. Usman has hands-on experience building and deploying end-to-end solutions, including responsive user interfaces with HTML, CSS,…
- Projects completed3
- Hourly rate
- 0-2 years experience
- Member since Mar 2026
Built a responsive expense tracking application that records daily spending, categorizes transactions, and visualizes financial data through interactive charts. Integrated NLP-based expense entry, allowing users to add transactions using natural language. Implemented AI-powered monthly summaries that highlight spending patterns, identify problem areas, and surface positive financial habits to improve money management.
Full Stack Engineer
eLeaderzFeb 2026 — Present- Built and deployed scalable full-stack applications using MERN and Next.js, improving user engagement by 35–45% through optimized UI/UX and faster page loads.
- Designed RESTful APIs using Node.js and FastAPI, reducing backend response time by 30% via query optimization and efficient data modeling.
- Implemented authentication systems (JWT, role-based access), enhancing application security and reducing unauthorized access incidents by 100%.
- Optimized MongoDB and SQL queries with indexing and aggregation pipelines, decreasing database load time by 40% under concurrent traffic.
- Developed server-side rendered (SSR) and static optimized pages in Next.js, improving SEO performance and increasing organic traffic by 25%.
- Integrated third-party APIs and AI services, automating workflows and reducing manual operational effort by 50%.
ReactJsNodeJsExpressJsNextJsDjangoFastAPIMongoDBPostgreSQLPrismaFull Stack Software Engineer
GosignMay 2025 — Feb 2026- Built and maintained production applications using NestJS and ReactJS, improving backend performance and frontend responsiveness.
- Designed and optimized RESTful APIs, reducing response time by 25% through efficient service and query design.
- Configured and customized TYPO3 CMS, streamlining content workflows and cutting publishing time by 40%.
ReactJsNodeJsNestJsExpressJsNextJsPHPMySQLtypo3WordpressJoomlaGitGitlabCI/CDVector DatabasesPineconeembeddingsLLMsOpenAIGeminiTailwindCSSShadcn UISoftware Engineer Intern
GosignFeb 2025 — Apr 2025- Resolved critical production issues, improving system stability and reducing downtime. Collaborated with cross-functional teams to deliver high-performance web and CMS solutions on schedule.
- Contributed to GenAI initiatives, automating content generation and reducing manual effort by 50%.
- Explored Agentic AI workflows to enable autonomous task execution and process optimization.
LLMsOpenAIGeminiReactJsReactJSWeb Developer Intern
HiSkyTechAug 2024 — Jan 2025- Built responsive web applications using HTML, CSS, and JavaScript, improving user engagement through clean UI and intuitive interactions.
- Developed dynamic frontend features with vanilla JavaScript, reducing page reload dependency and improving user experience.
- Optimized layouts for cross-browser and mobile compatibility, increasing accessibility and usability across devices.
- Implemented form validations and client-side logic, reducing user input errors and improving data accuracy.
HTMLCSSJavascriptThirdParty APIsBootstrap
Bachelor of Science in Information Technology
University of SargodhaSargodha2021 — 2025
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