Tazeen F.
Full-Stack AI Engineer | React, Node.js, Python | SaaS
"𝗔𝗜 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀" 𝗯𝘂𝗶𝗹𝗱 𝗳𝗿𝗮𝗴𝗶𝗹𝗲 𝗔𝗣𝗜 𝘄𝗿𝗮𝗽𝗽𝗲𝗿𝘀 𝘁𝗵𝗮𝘁 𝗰𝗼𝗹𝗹𝗮𝗽𝘀𝗲 𝘂𝗻𝗱𝗲𝗿 𝗿𝗲𝗮𝗹 𝘁𝗿𝗮𝗳𝗳𝗶𝗰. 𝗜 𝗯𝘂𝗶𝗹𝗱 𝗯𝗮𝘁𝘁𝗹𝗲-𝘁𝗲𝘀𝘁𝗲𝗱, 𝘇𝗲𝗿𝗼-𝗯𝗹𝗼𝗮𝘁 𝗔𝗜/𝗦𝗮𝗮𝗦 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 𝘁𝗵𝗮𝘁 𝗰𝘂𝘁 𝗯𝘂𝗴𝘀 𝗯𝘆 𝟱𝟬% 𝗮𝗻𝗱 𝗮𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝘀𝗰𝗮𝗹𝗲 𝗼𝗻 𝗱𝗮𝘆 𝗼𝗻𝗲. I am a Full-Stack AI Engineer with 8+ years of experience building AI-powered applications, SaaS platforms, workflow automations, and scalable web products. I've delivered 20+ production projects, improved application performance by 40%, reduced production bugs by 50%, and helped startups ship faster with clean, maintainable architecture. What I can help you build: - AI Applications - AI Assistants & Chatbots - OpenAI API Integrations - GPT-Powered Applications - AI Workflow Automation - Internal AI Tools - AI Content Generation - Business Process Automation - LLM Integrations - SaaS Products - Multi-Tenant SaaS Platforms - Customer Portals - Admin Dashboards - Subscription & Billing Systems - Analytics Platforms - Internal Business Tools - Role-Based Access Control - MVP to Enterprise Scaling - Full-Stack Development I build complete, production-ready systems,from responsive frontends to scalable backend services and cloud infrastructure. Frontend: React Next.js TypeScript JavaScript Backend: Node.js Express.js Python Databases: PostgreSQL MongoDB Cloud & DevOps: AWS Docker API Development & Integrations REST APIs GraphQL OAuth JWT Authentication Payment Gateway Integration CRM Integrations Third-Party APIs Webhooks Why clients work with me I help teams make better technical decisions. Whether you're launching an MVP, modernizing an existing platform, or integrating AI into your product, I focus on building software that's scalable, maintainable, and ready for real users. You can expect: - Clear communication - Fast iterations - Clean, maintainable code - Scalable architecture - Reliable delivery - A product-first mindset Results: 40% improvement in application performance Spearheaded optimization initiatives for existing software solutions, leading to a 40% improvement in application performance and a 15% increase in customer satisfaction. - Product Manager, TCG 50% fewer production bugs Implemented best practices in code quality and testing, reducing production bugs by 50% while improving deployment frequency by 30%. - Engineering Lead, TCG 25% higher user engagement Implemented OAuth and JWT security protocols, conducted GDPR and PCI-DSS compliance audits, and proposed product improvements that increased engagement by 25% while reducing bounce rates by 30%. - Senior Product Manager, Invisible Technologies Technologies: AI: OpenAI API, GPT, AI Integration, AI Automation, LLM Applications Frontend: React, Next.js, TypeScript, JavaScript Backend: Node.js, Express.js, Python Databases: PostgreSQL, MongoDB Cloud: AWS, Docker APIs: REST API, GraphQL, OAuth, JWT Tools: Git, GitHub, Jira, Agile Development If you're looking for a senior engineer who can take ownership, communicate clearly, and build reliable AI or SaaS products that are ready for production, not just prototypes, I would be happy to discuss your project. Send me a message or an invite, and let's build something great.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $2.4k
Billed in all: $2,503$2.5k
$1.2k in the last 6 months
Earnings, last 30 days
Skill rankings: Top 16% in ExpressJS
Ranked by MRR among everyone on Upwork with the skill.
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