Zia U.
Full-Stack Engineer & Frontend Developer | Next.js, React Native, SaaS
I help startups, founders, and growing businesses turn ideas into reliable, scalable software products. With 6+ years of experience in software development, I specialize in building web and mobile applications, AI-powered solutions, FinTech platforms, and healthcare systems. I combine strong engineering fundamentals with practical product thinking to deliver solutions that are secure, maintainable, and designed to support long-term business growth. Core Expertise - **Web Development:** React.js, Next.js, TypeScript, Node.js - **Mobile App Development:** React Native, Flutter - **AI & Automation:** OpenAI, Claude, AI Agents, Intelligent Workflows - **FinTech Development:** Stripe, Payment Integrations, Financial Platforms - **Healthcare Technology:** Telehealth, EHR/EMR, FHIR, HIPAA-Aware Applications - **Backend & Cloud:** Python, Supabase, PostgreSQL, MongoDB, AWS - **Product Engineering:** MVP Development, API Integrations, Legacy Modernization, Maintenance & Performance Optimization What You Can Expect - **Business-Driven Engineering:** Technology decisions aligned with your product goals and business requirements. - **Scalable Architecture:** Well-structured solutions built to handle future growth without unnecessary complexity. - **Quality-Focused Development:** Clean, maintainable code with a strong focus on performance, security, and reliability. - **Transparent Communication:** Consistent progress updates, clear technical discussions, and dependable collaboration. - **Long-Term Partnership:** Ongoing technical support, product improvements, and continuous development as your business evolves. My Approach I believe successful software development goes beyond writing code. It requires understanding the business problem, selecting the right technology, building a practical solution, and continuously improving the product based on real-world needs. Whether you're launching a new MVP, scaling an existing platform, integrating AI capabilities, or modernizing your software infrastructure, I can help you move forward with the right technical approach. Let's discuss your product goals and build something reliable, scalable, and valuable for your business.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $7.8k
Billed in all: $45,399$45k
$1.1k in the last 6 months
Across 43 contracts
Earnings, last 30 days
Dotted: longer than usual between two readings.
Skill rankings: Top 9% in Responsive Design
Ranked by MRR among everyone on Upwork with the skill.
- #6Platform Designer51 freelancers · 🇵🇰 #2Top 12%🇵🇰#2 of 12
- #113FinTech802 freelancers · 🇵🇰 #15Top 14%🇵🇰#15 of 148
- #305MERN Stack3,086 freelancers · 🇵🇰 #102Top 10%🇵🇰#102 of 1,250
- #385Mobile App3,535 freelancers · 🇵🇰 #53Top 11%🇵🇰#53 of 710
- #507Stripe3,152 freelancers · 🇵🇰 #124Top 16%🇵🇰#124 of 830
- #678Firebase6,978 freelancers · 🇵🇰 #162Top 10%🇵🇰#162 of 1,734
- #733Supabase4,116 freelancers · 🇵🇰 #214Top 18%🇵🇰#214 of 1,141
- #860API Development6,848 freelancers · 🇵🇰 #194Top 13%🇵🇰#194 of 1,551