SaaS Billing Portal Refactor
Yuliya improved our billing flows and cleaned up legacy code with great care. Communication was clear, and the release went live without issues.
Hourly Rate
$28 / Hr
Total Earned
$50,443
Experience
18 Years
Skills
- JavaScript
- TypeScript
- React
- Node.js
- Python
- REST API Development
- PostgreSQL
- Docker
Senior Full Stack Developer
I am Yuliya Ivanovna, a full stack developer with over 8 years of experience delivering high-quality software solutions. I specialize in building scalable web applications, robust APIs, and efficient backend architectures for startups and established businesses. I have strong experience working across the full development lifecycle, from requirements analysis and system design to implementation, testing, and deployment. I focus on writing clean, maintainable code and creating solutions that are secure, performant, and easy to scale. I communicate clearly, collaborate effectively with cross-functional teams, and consistently deliver reliable results.
Reviews
37 reviews on file.
E-commerce Checkout Optimization
Excellent work reducing cart friction and fixing payment edge cases. Yuliya delivered ahead of schedule and kept us updated throughout.
Mobile Fitness App Backend
Yuliya built a reliable backend for our workout app and documented everything well. Her problem solving was fast and practical.
CRM Lead Management Dashboard
The dashboard is fast, clean, and easy for our sales team to use. Yuliya understood our requirements quickly and delivered polished work.
AI Content Review Tool
Yuliya integrated the AI workflow smoothly and handled tricky API limits with smart architecture. Great communication and excellent code quality.
Fintech Transaction Monitoring System
She built a secure monitoring module with strong attention to detail. The implementation was stable, well tested, and delivered on time.
Healthcare Patient Scheduling Platform
Yuliya created a dependable scheduling system with clean role permissions. She was responsive, thoughtful, and very professional.
Marketplace Vendor Onboarding Flow
The onboarding process is now simple and reliable. Yuliya identified gaps we missed and shipped a strong solution quickly.
Hotel Booking Engine Upgrade
Yuliya improved availability logic and fixed several performance bottlenecks. The launch was smooth, and our team was very happy.
Social App Notification Service
She delivered a scalable notification service with clean implementation. Yuliya was proactive, detail-oriented, and easy to work with.
IoT Device Monitoring Dashboard
Yuliya built a real-time dashboard that made device issues easy to spot. The code was organized and deployment was handled perfectly.
Analytics Data Pipeline Migration
Our pipeline is faster and easier to maintain after Yuliya's migration. She explained tradeoffs clearly and met every milestone.
Restaurant POS Integration Project
Yuliya connected our POS system with inventory and reporting tools flawlessly. She was quick, accurate, and very reliable.
EdTech Learning Progress Tracker
The tracker works beautifully for students and instructors. Yuliya produced clean code and adapted quickly to changing requirements.
Real Estate Listing Platform
Yuliya improved search filters, map performance, and admin tools. Her updates were well tested and delivered right on schedule.
Logistics Route Planning Tool
She created a practical routing tool that saved our dispatch team time immediately. Excellent technical judgment and communication.
Subscription Video Streaming Backend
Yuliya handled authentication, subscriptions, and media workflows with confidence. The system is stable and well structured.
Recruiting ATS Automation Suite
The automation suite reduced manual recruiter work significantly. Yuliya was responsive, organized, and delivered high-quality results.
Cybersecurity Audit Reporting Portal
Yuliya built a secure reporting portal with clear exports and permissions. She caught important edge cases before launch.
Travel Agency Booking CRM
Our agents love the new CRM features and faster booking workflow. Yuliya communicated clearly and shipped dependable code.
Inventory Management Web App
Yuliya rebuilt our inventory screens and improved sync reliability. The project was completed cleanly and with great attention to detail.
Legal Document Automation Platform
She delivered a polished document automation flow with strong validation. Yuliya was patient, precise, and excellent at solving problems.
Food Delivery Driver App
Yuliya improved driver tracking and order status updates. The app feels much smoother, and the rollout was handled professionally.
Marketing Campaign Analytics Portal
The analytics portal is clear, fast, and easy to use. Yuliya asked the right questions and delivered exactly what we needed.
Banking API Integration Layer
Yuliya integrated multiple banking APIs securely and handled failure states well. Her code was clean and production-ready.
Telemedicine Video Consultation Module
The video module works reliably across browsers and user roles. Yuliya was thorough with testing and excellent under deadlines.
Event Ticketing Marketplace Upgrade
Yuliya improved checkout speed and ticket transfer reliability. She communicated risks early and delivered a smooth production release.
Customer Support Chatbot Console
She built an intuitive console for managing chatbot responses. Yuliya's architecture was sensible, clean, and easy to extend.
Construction Project Tracking Dashboard
Yuliya created a dashboard that gave our managers real visibility. The work was professional, timely, and very well organized.
Insurance Claims Processing Workflow
The claims workflow is faster and much less error-prone now. Yuliya handled complex rules carefully and delivered strong results.
Warehouse Barcode Scanning System
Yuliya implemented barcode scanning with dependable inventory updates. She solved hardware integration issues quickly and kept us informed.
Nonprofit Donation Platform Redesign
Our donation flow is cleaner and conversion improved after launch. Yuliya was thoughtful, responsive, and great with deployment.
Gaming Community Web Portal
Yuliya added profiles, moderation tools, and performance improvements. The portal is stable and our users noticed the difference.
HR Payroll Integration System
She integrated payroll data safely and reduced manual reconciliation work. Yuliya delivered clear documentation and dependable code.
Automotive Service Booking App
Yuliya built a smooth service booking flow with reminders and admin controls. The project was completed quickly and professionally.
Cloud Infrastructure Deployment Automation
Yuliya automated our deployments and improved environment consistency. The setup is secure, repeatable, and well documented.
Retail Loyalty Rewards Platform
The rewards platform launched successfully with clean admin tools and reporting. Yuliya was efficient, communicative, and highly skilled.