SaaS Subscription Billing Portal
Danilenka delivered clean, reliable code and explained each milestone clearly. The billing workflows launched on time and have been stable since day one.
Hourly Rate
$26 / Hr
Total Earned
$38,379
Experience
11 Years
Skills
- JavaScript
- TypeScript
- React
- Node.js
- Python
- REST API Development
- PostgreSQL
- MongoDB
Senior Full Stack Developer
I am Danilenka Bondar, a full stack developer with over 7 years of experience building modern web applications and backend systems. I specialize in creating scalable, secure, and maintainable solutions for startups, businesses, and enterprise clients. My work focuses on clean architecture, efficient APIs, responsive user interfaces, and reliable deployment workflows. I communicate clearly, solve problems proactively, and deliver high-quality results on time.
Reviews
29 reviews on file.
Ecommerce Checkout Optimization
Great work improving our checkout speed and reducing errors. Communication was excellent, and the final implementation was easy for our team to maintain.
Healthcare Appointment Mobile App
Danilenka built a polished app with secure patient flows and smooth scheduling. The project was completed ahead of schedule with very strong attention to detail.
CRM Lead Management Dashboard
The dashboard is fast, intuitive, and exactly what our sales team needed. Danilenka understood the requirements quickly and solved every issue professionally.
AI Content Moderation Tool
Excellent developer with strong AI integration skills. The moderation tool was accurate, well documented, and deployed without surprises.
Fintech Portfolio Tracking Platform
Danilenka created a secure and scalable platform for portfolio analytics. Code quality, architecture, and communication were all top level.
Marketplace Vendor Onboarding System
The onboarding system made our vendor process much faster. Danilenka was responsive, practical, and delivered a clean admin experience.
Hotel Booking Engine Upgrade
Fantastic job modernizing our booking flow. The new engine is faster, easier to manage, and was delivered with careful testing.
Social Media Scheduling App
Danilenka built a reliable scheduling app with a smooth UI and solid backend. Updates were frequent and every deadline was met.
IoT Device Monitoring Console
The monitoring console works flawlessly with our connected devices. Danilenka handled complex data issues and delivered a very stable solution.
Analytics Reporting Data Pipeline
Great experience from start to finish. Danilenka optimized our data pipeline, improved report speed, and documented the deployment clearly.
Real Estate Listing Website
The site looks professional and performs very well. Danilenka was easy to work with and handled search, filters, and admin tools perfectly.
Logistics Route Planning System
Danilenka solved a complex routing challenge with a smart, efficient architecture. The system reduced planning time and launched smoothly.
Learning Management Platform Migration
Our LMS migration was completed safely with no data loss. Danilenka communicated clearly, tested thoroughly, and kept the project on track.
Restaurant Online Ordering Platform
The ordering platform is fast, reliable, and easy for staff to manage. Danilenka delivered exactly what we needed with excellent support.
Cybersecurity Audit Automation Tool
Danilenka built a strong automation tool that saved our analysts hours each week. The code was clean, secure, and well structured.
Construction Project Tracking App
The app simplified field reporting for our managers. Danilenka was organized, responsive, and delivered a practical solution on time.
Travel Itinerary Builder SaaS
Danilenka developed a smooth itinerary builder with great performance. The architecture is flexible and ready for future features.
Recruitment Candidate Matching Engine
The matching engine improved our recruiter workflow immediately. Danilenka understood the business logic and implemented it with impressive accuracy.
Inventory Management Web Dashboard
Clean interface, strong backend, and excellent reliability. Danilenka delivered a dashboard our operations team now uses every day.
Telemedicine Video Consultation Portal
Danilenka built a secure video consultation portal with smooth appointment handling. The deployment was professional and the final product feels polished.
Nonprofit Donation Management System
The donation system is simple, secure, and easy for volunteers to use. Danilenka was patient with feedback and delivered excellent work.
Automotive Service Booking App
Our booking app now handles customer appointments without issues. Danilenka delivered fast, communicated clearly, and solved edge cases quickly.
AI Chatbot Knowledge Assistant
Danilenka created a helpful chatbot that answers customer questions accurately. Integration was smooth and the documentation was very clear.
Banking Compliance Workflow Tool
The compliance workflow tool is secure and easy to audit. Danilenka showed excellent problem solving and delivered a robust solution.
Fitness Subscription Mobile Platform
Danilenka built a responsive mobile platform with payments, plans, and member profiles. The app was delivered on time and works beautifully.
Retail POS Integration Service
The POS integration runs reliably across our stores. Danilenka handled messy APIs with confidence and kept us updated throughout.
Energy Usage Analytics Dashboard
Great dashboard with clear charts and fast data loading. Danilenka understood our analytics needs and delivered a high-quality solution.
Legal Document Automation Platform
Danilenka automated our document workflows with a clean and dependable platform. The work was accurate, timely, and easy to maintain.