Find the Best JavaScript Jobs in Leesburg, VA
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Check out a sample of the 30 JavaScript jobs posted on Upwork
Shopify Store Page Speed Optimization expert
Hourly ‐ Posted 7 days agoHours needed
Duration
Experience level
Current Issue Recent PageSpeed Insights reports show poor mobile performance across several key commercial pages. Current mobile perf…
Implement Payment Forms on Website
Hourly ‐ Posted 7 days agoHours needed
Duration
Experience level
We are seeking a skilled freelancer to implement a few payment forms on our website. This project requires immediate attention and need…
React Native + GIS/AR Developers
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We're looking for a reliable development team to act as a second layer alongside our existing engineers, taking on overflow work across…
Fullstack Developer for React Native and Web
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
We are seeking a skilled full-stack developer to enhance our React Native Android and web app, as well as our React frontend admin port…
AI Solutions Architect for Home Care Platform
Fixed-price ‐ Posted 25 days agoFixed-price
Experience level
We are seeking an AI Solutions Architect to design an AI Recruiting & Operations Platform for the home care industry. The ideal candida…
XML Sitemap Expert Needed for Custom Website Setup
Fixed-price ‐ Posted 25 days agoFixed-price
Experience level
We’re looking for someone who can create and implement a proper XML sitemap for a custom-built website. The website is not on a standa…
Shopify Expert for Theme Customization and Bug Fixes
Fixed-price ‐ Posted 7 days agoFixed-price
Experience level
Shopify Expert for Theme Customization and Bug Fixes We are looking for an experienced Shopify Expert to handle theme customization, b…
Back-End Python Engineer (Bug Fixing and New Feature Implementati…
Hourly ‐ Posted 17 days agoHours needed
Duration
Experience level
About Us We are a forward-thinking AI enterprise software company building governance solutions. Our systems combine Python engineerin…
Healthcare application for care team
Hourly ‐ Posted 23 days agoHours needed
Duration
Experience level
Need an urgent need to develop working prototype. The work involves, automating a workflow for healthcare providers who are taking care…
Senior AI-Native Design Architect (Webflow + Relume + Claude MCP)
Hourly ‐ Renewed 27 days agoHours needed
Duration
Experience level
We're rebuilding a marketing site on Webflow and need a senior design architect to build a production-grade design system that lets my…
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