Hourly Rate $39 / Hr
Total Earned $16,571
Experience 7 Years

Skills

  • JavaScript
  • TypeScript
  • React
  • Node.js
  • Python
  • REST API Development
  • PostgreSQL
  • AWS

Senior Full Stack Developer

I am Marina Nikolaevna, a senior developer with over 8 years of experience designing and delivering robust software solutions. I specialize in full stack development, scalable web platforms, API integrations, and cloud-based architectures. I have worked with startups and enterprise teams to build reliable, secure, and user-focused applications. My approach combines clean code, strong problem-solving, and clear communication to ensure successful project outcomes. I am passionate about creating efficient systems that help businesses grow and operate smarter.

Reviews

23 reviews on file.

Start Project

SaaS Billing Portal Redesign

August 1, 2026 - September 13, 2026 86 Hours $39 / hr ★★★★★

Marina delivered clean, maintainable code and improved the subscription flow quickly. Communication was clear throughout. 5 stars.

E-commerce Checkout Optimization

May 9, 2026 - June 7, 2026 188 Hours $39 / hr ★★★★★

Excellent work reducing checkout friction and fixing payment edge cases. Marina was fast, precise, and proactive. Highly recommended.

Healthcare Appointment Booking System

January 7, 2026 - March 8, 2026 200 Hours $39 / hr ★★★★★

Marina built a reliable booking system with secure patient data handling. She met every deadline and explained technical decisions well.

Fintech KYC Verification Dashboard

September 5, 2025 - October 23, 2025 162 Hours $39 / hr ★★★★★

A smooth delivery with strong architecture and attention to compliance details. Marina solved complex workflow issues with confidence.

Mobile Fitness Tracking App

April 21, 2025 - June 11, 2025 147 Hours $39 / hr ★★★★★

The app feels polished and performs well on both platforms. Marina handled bugs quickly and kept us updated daily.

CRM Lead Management Automation

January 23, 2025 - March 20, 2025 177 Hours $39 / hr ★★★★★

Marina automated our lead pipeline and saved our team hours each week. Great code quality and thoughtful implementation.

AI Content Generation Tool

October 24, 2024 - December 4, 2024 82 Hours $39 / hr ★★★★★

She integrated the AI workflow cleanly and improved response speed noticeably. Communication was professional and timely.

Real Estate Marketplace Platform

June 2, 2024 - August 2, 2024 164 Hours $39 / hr ★★★★★

Marina delivered a scalable marketplace with strong search and listing features. She was dependable and detail oriented.

Restaurant Table Reservation App

January 25, 2024 - March 15, 2024 120 Hours $39 / hr ★★★★★

Fantastic work on the booking logic and admin controls. Marina delivered ahead of schedule and handled feedback perfectly.

IoT Device Monitoring Dashboard

September 28, 2023 - November 15, 2023 94 Hours $39 / hr ★★★★★

The dashboard is stable, fast, and easy to use. Marina handled real-time data challenges very well.

Social Community Web Platform

June 21, 2023 - August 25, 2023 90 Hours $39 / hr ★★★★★

Marina built secure user features and a clean feed experience. She communicated clearly and delivered exactly what we needed.

Logistics Route Analytics System

April 12, 2023 - May 13, 2023 171 Hours $39 / hr ★★★★★

Great problem solving on route calculations and reporting. Marina improved performance and made the system much easier to maintain.

Education Course Management Portal

December 8, 2022 - January 12, 2023 163 Hours $39 / hr ★★★★★

The portal was delivered on time with a clear structure and smooth UX. Marina was responsive and highly professional.

Travel Booking API Integration

August 28, 2022 - October 9, 2022 136 Hours $39 / hr ★★★★★

Marina connected multiple travel APIs and handled tricky availability issues. Excellent reliability and clean documentation.

Cybersecurity Audit Reporting Tool

May 28, 2022 - July 15, 2022 158 Hours $39 / hr ★★★★★

She created a secure and well-organized reporting tool. Marina's attention to detail and deployment support were outstanding.

Retail Inventory Forecasting Dashboard

February 14, 2022 - April 13, 2022 98 Hours $39 / hr ★★★★★

Marina transformed our inventory data into useful forecasts and visuals. Fast delivery and strong technical judgment.

Video Streaming Admin Console

November 5, 2021 - December 11, 2021 69 Hours $39 / hr ★★★★★

The admin console is intuitive and handles content operations smoothly. Marina wrote clean code and deployed without issues.

Nonprofit Donation Management System

August 12, 2021 - September 19, 2021 114 Hours $39 / hr ★★★★★

Marina built a reliable donation system with clear reporting and secure payments. She was patient, thorough, and efficient.

HR Onboarding Workflow Platform

May 8, 2021 - June 2, 2021 93 Hours $39 / hr ★★★★★

She streamlined our onboarding process and integrated all required notifications. Great communication and dependable delivery.

Banking Data Migration Project

February 25, 2021 - March 25, 2021 114 Hours $39 / hr ★★★★★

Marina handled a sensitive migration with great care and accuracy. The rollout was smooth, documented, and on schedule.

Marketplace Vendor Analytics Module

November 10, 2020 - January 13, 2021 89 Hours $39 / hr ★★★★★

The analytics module is fast and gives vendors clear insights. Marina understood the requirements quickly and executed well.

Telemedicine Chat Feature Upgrade

August 27, 2020 - October 6, 2020 74 Hours $39 / hr ★★★★★

Marina improved chat reliability and added secure file sharing. She tested thoroughly and delivered a stable release.

Cloud Deployment Automation Pipeline

June 13, 2020 - July 26, 2020 180 Hours $39 / hr ★★★★★

Excellent DevOps work with repeatable deployments and fewer manual steps. Marina improved our release process significantly.