SaaS Billing Portal Redesign
Teresa delivered clean, scalable code and improved our checkout flow. Communication was excellent and every milestone arrived on time.
Hourly Rate
$32 / Hr
Total Earned
$53,525
Experience
17 Years
Skills
- JavaScript
- TypeScript
- React
- Node.js
- Python
- REST API Development
- PostgreSQL
- AWS
Senior Full Stack Developer
I am a senior full stack developer with over 8 years of experience delivering robust web, cloud, and automation solutions. I specialize in building scalable applications, integrating APIs, and creating efficient backend systems with modern development practices. I have strong experience working across frontend frameworks, databases, DevOps workflows, and AI-enabled features. I focus on writing clean, maintainable code and helping clients turn technical requirements into reliable business solutions.
Reviews
25 reviews on file.
E-Commerce Inventory Sync Platform
Fantastic work connecting our store, warehouse, and supplier feeds. Teresa solved edge cases quickly and documented everything clearly.
Mobile Fitness App Backend
Teresa built a reliable API that handled our launch traffic without issues. Her architecture choices were practical and future-proof.
Custom CRM Automation Suite
Our sales team saves hours each week thanks to Teresa's automations. She understood the workflow fast and delivered polished results.
Executive Analytics Dashboard Build
Teresa turned messy data into a clear executive dashboard. She was responsive, detail-oriented, and a pleasure to work with.
AI Support Chatbot Integration
The chatbot Teresa implemented reduced support volume immediately. She balanced AI accuracy, UX, and deployment requirements perfectly.
Fintech Payment Gateway Migration
Teresa handled a sensitive payment migration with zero downtime. Her testing process and security awareness gave us complete confidence.
Healthcare Appointment Booking System
Teresa built a secure and intuitive booking system for our clinic. She communicated clearly and met every compliance requirement we raised.
Marketplace Vendor Onboarding Portal
Excellent delivery from start to finish. Teresa created a smooth onboarding flow and helped us deploy without disrupting existing vendors.
Hotel Booking Engine Optimization
Teresa improved search speed and fixed several long-standing booking bugs. Her problem solving was fast, precise, and well explained.
Social Community App Features
Teresa added messaging and moderation features exactly as planned. The code was clean, tested, and easy for our team to maintain.
IoT Device Monitoring Console
Teresa built a real-time console that made device monitoring simple. She handled data updates, alerts, and deployment very professionally.
Marketing Attribution Analytics Tool
Teresa connected multiple ad platforms and produced accurate attribution reports. She was proactive and caught data issues we had missed.
Real Estate Listing Website
The new listing site is fast, modern, and easy to manage. Teresa delivered ahead of schedule and was very responsive to feedback.
Education LMS Performance Upgrade
Teresa significantly improved our LMS load times and stability. Her technical recommendations were clear and immediately useful.
Restaurant Delivery Management App
Teresa built the order workflow we needed and integrated maps smoothly. Great communication and strong attention to operational details.
Legal Document Workflow Platform
Teresa created a secure document workflow with excellent permission handling. She asked smart questions and delivered a polished solution.
HR Recruiting Pipeline Dashboard
Our recruiters love the new dashboard Teresa built. It is intuitive, fast, and gives leadership the visibility we were missing.
Travel Agency Quote Generator
Teresa automated our quote process and reduced manual work dramatically. She delivered a reliable tool with a clean admin interface.
Nonprofit Donation Platform Upgrade
Teresa improved donation reliability and simplified reporting for our team. She was patient, thoughtful, and highly professional.
Logistics Route Planning System
Teresa implemented route planning features that saved dispatchers valuable time. Her code quality and deployment support were outstanding.
Cybersecurity Audit Reporting Portal
Teresa built a secure reporting portal with clear permissions and export tools. She handled sensitive requirements with great care.
Subscription Video Streaming Platform
Teresa helped stabilize our streaming platform and improve subscription handling. She was dependable, skilled, and easy to collaborate with.
Construction Project Tracking App
Teresa delivered a practical tracking app our field teams actually use. She focused on usability, performance, and reliable syncing.
Retail POS Integration Middleware
Teresa connected our POS and accounting systems flawlessly. She worked quickly, communicated risks early, and left us with great documentation.