SaaS Billing Portal Redesign
Madeline delivered clean code and a polished user flow ahead of schedule. Communication was clear throughout, and the new billing portal works flawlessly.
Hourly Rate
$32 / Hr
Total Earned
$28,739
Experience
7 Years
Skills
- JavaScript
- TypeScript
- React
- Node.js
- Python
- REST APIs
- PostgreSQL
- AWS
Senior web and mobile developer
I am Madeline Davis, a senior full stack developer with 8 years of experience designing and delivering modern web applications. I specialize in building scalable front-end interfaces, robust back-end services, and efficient API integrations. My work focuses on clean architecture, performance optimization, and maintainable code that supports long-term product growth. I have collaborated with startups, agencies, and enterprise teams to turn complex requirements into reliable software solutions. I bring strong communication, problem-solving, and technical leadership to every project.
Reviews
21 reviews on file.
E-commerce Checkout Optimization
Fantastic work improving our checkout speed and reliability. Madeline quickly found bottlenecks and deployed fixes with zero disruption.
Healthcare Appointment Booking System
Madeline built a secure, intuitive booking system for our clinic. She understood compliance needs and kept the project moving smoothly.
Fintech Transaction Monitoring Dashboard
Excellent architecture and attention to detail. The dashboard is fast, accurate, and our analysts love the improved visibility.
Mobile Fitness App Backend
Madeline created a stable backend that scaled well during launch. Her API design was thoughtful and documentation was very clear.
CRM Workflow Automation Upgrade
She automated several painful CRM workflows and saved our sales team hours each week. Responsive, organized, and highly reliable.
AI Content Review Tool
Madeline integrated the AI service beautifully and handled edge cases we had missed. The final tool is practical, fast, and easy to maintain.
Marketplace Vendor Management Platform
Great developer with strong product instincts. Madeline delivered a robust vendor portal and improved our admin workflows significantly.
Real Estate Analytics Dashboard
The dashboard looks great and performs even with large datasets. Madeline communicated tradeoffs clearly and delivered exactly what we needed.
IoT Device Monitoring Console
Madeline built a reliable monitoring console with clean alerts and live status updates. Her problem solving on device data issues was excellent.
Restaurant Online Ordering System
Our ordering system is now faster and easier for customers to use. Madeline handled deployment carefully and was available through launch.
Social Community App Features
She added messaging and moderation features with impressive quality. Madeline was proactive, precise, and easy to collaborate with.
Legal Document Automation Portal
Madeline turned a complex workflow into a simple portal. The codebase is clean, well tested, and ready for future expansion.
Travel Booking API Integration
Great experience from planning to deployment. Madeline integrated multiple travel APIs and handled inconsistent vendor data gracefully.
EdTech Learning Progress Tracker
Madeline delivered a smooth progress tracking system for students and teachers. She was thoughtful about UX and met every milestone.
Subscription Analytics Reporting Suite
The reporting suite gave us much better insight into churn and revenue. Madeline built it quickly without compromising quality.
Warehouse Inventory Management App
Madeline modernized our inventory app and eliminated several recurring sync issues. Her testing and rollout plan were excellent.
Cybersecurity Audit Remediation Project
She resolved our security findings quickly and explained each change clearly. Professional, thorough, and very dependable.
Nonprofit Donation Platform Migration
Madeline migrated our donation platform with no downtime. She was careful with data, responsive to feedback, and a pleasure to work with.
HR Onboarding Workflow Dashboard
The new dashboard made onboarding much easier for our HR team. Madeline delivered clean features and communicated progress consistently.
Media Streaming Performance Upgrade
Madeline improved streaming performance and reduced load times noticeably. Her technical recommendations were spot on and well executed.