Hourly Rate $25 / Hr
Total Earned $13,202
Experience 15 Years

Skills

  • JavaScript
  • TypeScript
  • React
  • Node.js
  • Python
  • REST APIs
  • PostgreSQL
  • AWS

Senior Full Stack Developer

I am Sara Hannah, a full stack developer with 8 years of experience delivering high-quality web and software solutions. I specialize in building scalable applications, clean APIs, and responsive user interfaces that meet real business needs. My work focuses on performance, maintainability, and clear communication throughout the development lifecycle. I have experience collaborating with startups, agencies, and enterprise teams to turn ideas into dependable products. I am committed to writing clean code, solving complex problems, and delivering results on time.

Reviews

40 reviews on file.

Start Project

SaaS Billing Portal Redesign

August 4, 2026 - September 16, 2026 62 Hours $25 / hr

Sara delivered a clean, reliable billing portal ahead of schedule. Communication was excellent and the code quality made future updates easy.

E-commerce Checkout Optimization

March 26, 2026 - May 9, 2026 152 Hours $25 / hr

Our checkout flow is faster and smoother thanks to Sara. She identified bottlenecks quickly and improved conversions without disrupting the store.

Mobile Fitness App Backend

January 11, 2026 - February 6, 2026 197 Hours $25 / hr

Sara built a stable backend with clear APIs and strong documentation. She was responsive, organized, and handled every deployment perfectly.

CRM Lead Automation System

September 13, 2025 - November 7, 2025 88 Hours $25 / hr

Great work automating our lead routing and follow-ups. Sara understood the workflow fast and delivered a solution our sales team actually enjoys using.

Analytics Dashboard for Retail

May 27, 2025 - June 21, 2025 104 Hours $25 / hr

Sara created a sharp dashboard with accurate reporting and fast load times. She asked smart questions and turned messy data into real insight.

AI Resume Screening Tool

February 22, 2025 - April 17, 2025 153 Hours $25 / hr

The AI screening tool works exactly as requested and integrates smoothly with our hiring flow. Sara was professional, thoughtful, and precise.

Fintech Payment Reconciliation Platform

October 28, 2024 - December 11, 2024 59 Hours $25 / hr

Sara solved a complex reconciliation problem with clean architecture and careful testing. We appreciated her attention to security and reliability.

Healthcare Appointment Booking App

August 24, 2024 - September 24, 2024 92 Hours $25 / hr

Sara delivered a secure and user-friendly booking app for our clinic. She communicated clearly and handled compliance requirements with care.

Marketplace Vendor Management Portal

April 22, 2024 - June 22, 2024 113 Hours $25 / hr

Excellent portal build from start to finish. Sara created scalable vendor tools, fixed edge cases quickly, and kept the project moving.

Hotel Booking System Upgrade

December 19, 2023 - January 31, 2024 50 Hours $25 / hr

Sara modernized our booking system without downtime. The new flow is faster, easier to manage, and much more reliable.

Social Community Platform MVP

August 29, 2023 - October 3, 2023 117 Hours $25 / hr

Sara helped us launch our MVP with solid architecture and clean features. She gave practical advice and hit every milestone.

IoT Device Monitoring Dashboard

April 16, 2023 - June 6, 2023 137 Hours $25 / hr

The monitoring dashboard is stable, intuitive, and handles real-time data well. Sara was great at debugging tricky device connectivity issues.

Logistics Route Planning Tool

December 27, 2022 - January 25, 2023 76 Hours $25 / hr

Sara built a practical routing tool that reduced planning time significantly. Her communication was consistent and her technical decisions were strong.

Real Estate Listing Platform

August 29, 2022 - October 6, 2022 197 Hours $25 / hr

Our listing platform looks polished and performs well. Sara delivered clean code, clear admin tools, and a smooth deployment.

Education LMS Feature Expansion

June 11, 2022 - July 29, 2022 89 Hours $25 / hr

Sara added new LMS features with care and minimal disruption. She understood our users and made the platform easier for teachers to manage.

Restaurant Ordering Web App

April 5, 2022 - May 1, 2022 65 Hours $25 / hr

Fast, dependable, and easy to work with. Sara delivered an ordering app that improved our online sales and reduced staff workload.

Cybersecurity Audit Reporting Tool

December 27, 2021 - February 16, 2022 109 Hours $25 / hr

Sara created a secure reporting tool with excellent structure and permissions. She was detail-oriented and handled sensitive requirements professionally.

Subscription Video Streaming Portal

September 3, 2021 - September 29, 2021 197 Hours $25 / hr

The streaming portal is smooth and scalable. Sara handled user accounts, subscriptions, and deployment with impressive attention to detail.

Nonprofit Donation Management System

May 16, 2021 - June 30, 2021 114 Hours $25 / hr

Sara built a donation system that is simple, reliable, and easy for our team to use. She was patient, clear, and very efficient.

Travel Itinerary Builder App

December 30, 2020 - March 4, 2021 66 Hours $25 / hr

Sara turned our idea into a polished itinerary builder with a great user experience. She solved complex scheduling logic elegantly.

Manufacturing Inventory Control Dashboard

August 19, 2020 - October 18, 2020 161 Hours $25 / hr

Our inventory dashboard is accurate and easy to use. Sara improved performance, cleaned up data flows, and delivered ahead of schedule.

AI Customer Support Chatbot

April 20, 2020 - May 21, 2020 67 Hours $25 / hr

Sara built a smart chatbot that reduced support tickets immediately. She tuned the workflow carefully and made integrations painless.

Legal Case Management CRM

December 26, 2019 - February 12, 2020 149 Hours $25 / hr

Sara created a secure CRM tailored to our legal workflow. The interface is clear, permissions work well, and delivery was on time.

Fintech KYC Verification Workflow

September 5, 2019 - October 29, 2019 118 Hours $25 / hr

Excellent work on a sensitive KYC workflow. Sara focused on security, auditability, and user experience without overcomplicating the system.

HR Employee Self Service Portal

April 24, 2019 - June 22, 2019 52 Hours $25 / hr

Sara delivered a clean employee portal with strong role management. She was proactive, easy to reach, and thorough in testing.

SaaS Admin Console Migration

January 10, 2019 - February 23, 2019 196 Hours $25 / hr

The migration was smooth and well planned. Sara improved performance, reduced technical debt, and kept stakeholders updated throughout.

Healthcare Patient Records Integration

September 11, 2018 - November 2, 2018 148 Hours $25 / hr

Sara integrated patient records safely and efficiently. She handled API limitations well and delivered a dependable solution.

Automotive Service Booking Platform

May 25, 2018 - June 27, 2018 168 Hours $25 / hr

Our service booking platform is now faster and easier for customers. Sara delivered a robust system and handled feedback quickly.

Marketing Campaign Analytics Suite

February 27, 2018 - April 11, 2018 104 Hours $25 / hr

Sara built analytics tools that gave our team clear campaign visibility. Reports load quickly and the interface is simple to understand.

Property Management Tenant Portal

November 8, 2017 - December 9, 2017 81 Hours $25 / hr

Great tenant portal with payments, requests, and notifications working smoothly. Sara was reliable, detail-focused, and easy to collaborate with.

Food Delivery Driver App

August 6, 2017 - October 6, 2017 66 Hours $25 / hr

Sara delivered a responsive driver app with reliable location updates. She tackled performance issues quickly and kept the rollout on track.

Blockchain Wallet Monitoring Tool

May 4, 2017 - June 25, 2017 182 Hours $25 / hr

Sara built a secure wallet monitoring tool with clean alerts and accurate tracking. Her technical judgment was excellent.

Event Ticketing Marketplace MVP

January 25, 2017 - March 22, 2017 197 Hours $25 / hr

Our ticketing MVP launched smoothly thanks to Sara. She balanced speed and quality well and helped us prioritize the right features.

Telemedicine Video Consultation Platform

November 17, 2016 - December 23, 2016 130 Hours $25 / hr

Sara delivered a dependable telemedicine platform with secure video sessions. She handled technical challenges calmly and professionally.

Warehouse Barcode Scanning System

June 29, 2016 - August 24, 2016 199 Hours $25 / hr

The barcode system works flawlessly on our warehouse floor. Sara made it fast, practical, and easy for staff to learn.

Recruitment Agency Matching Engine

April 6, 2016 - May 10, 2016 130 Hours $25 / hr

Sara built a matching engine that improved candidate shortlisting right away. Her approach was logical, transparent, and well documented.

Energy Usage IoT Analytics

January 26, 2016 - February 26, 2016 68 Hours $25 / hr

Sara turned raw IoT data into useful energy insights. The analytics are fast, accurate, and presented in a very clear dashboard.

Online Course Marketplace Platform

October 26, 2015 - December 25, 2015 86 Hours $25 / hr

Sara created a scalable course marketplace with smooth payments and instructor tools. She was responsive and delivered high-quality work.

Insurance Claims Processing System

July 9, 2015 - August 8, 2015 95 Hours $25 / hr

Our claims workflow is much more efficient now. Sara designed a reliable system, automated key steps, and reduced manual errors.

Remote Team Productivity Dashboard

March 11, 2015 - April 15, 2015 161 Hours $25 / hr

Sara delivered a polished productivity dashboard with thoughtful metrics and strong performance. Communication was clear from kickoff to launch.