Find the Best JavaScript Jobs in Lancaster, PA
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Check out a sample of the 37 JavaScript jobs posted on Upwork
Front End Web Developer - AI Web development
Hourly ‐ Posted 28 days agoHours needed
Duration
Experience level
Summary Front-End UI / UX Developer (Design-Focused) – 2 Projects We’re looking for a front-end UI/UX developer (or design-focused fro…
Senior Full Stack SaaS Developer / AWS Architect for Leave Manage…
Hourly ‐ Posted 1 month agoHours needed
Duration
Experience level
We have built a functional demo/prototype of a Leave of Absence Case Management Portal in Replit and are looking for an experienced Saa…
Fix Bug on Next.js Website
Fixed-price ‐ Posted 20 days agoFixed-price
Experience level
I need someone to tackle a bug related to a website built with Next.js and hosted on Vercel. The task involves debugging and possibly f…
Shopify Developer Needed for Store Speed & Performance Optimizati…
Fixed-price ‐ Posted 29 days agoFixed-price
Experience level
We are looking for an experienced Shopify developer to improve the speed and overall performance of our Shopify store. The goal is to o…
AI Agent Developer | RAG & Automation Expert | Full Stack AI Engi…
Fixed-price ‐ Posted 26 days agoFixed-price
Experience level
We are seeking an AI Agent Developer & Automation Expert to enhance our customer support system. The role involves developing AI agents…
Fractional CTO / Founding Engineer — GI Health Symptom Tracking P…
Hourly ‐ Renewed 16 days agoHours needed
Duration
Experience level
About the project We're building a patient-facing IBS symptom tracking app with a connected physician portal — patients log symptoms,…
WordPress Theme Redesign & Rebuild for Established Fraud Preventi…
Hourly ‐ Posted 9 days agoHours needed
Duration
Experience level
About the Project Our website is a leading publication covering eCommerce fraud prevention, chargebacks, and payments. The site runs o…
Senior React Native Expert (SME): Expo Bare Workflow migration
Hourly ‐ Posted 2 months agoHours needed
Duration
Experience level
We need a React Native Subject Matter Expert: the person we can turn to for the right answer on anything modern-RN: architecture, nativ…
Website Bug Fixes, Small Changes, Google Maps & Payment Integrati…
Fixed-price ‐ Posted 26 days agoFixed-price
Experience level
We are seeking a skilled freelancer to address bugs, implement small changes, and integrate Google Maps and payment systems on our Word…
Shopify Store Small Fix
Fixed-price ‐ Posted 9 days agoFixed-price
Experience level
I’m looking for a Shopify freelancer to review a small issue on my store and confirm what needs to be adjusted. The task includes ident…
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