Check out a sample of the 5 Full Stack Development jobs posted on Upwork
Last updated: 2026-07-02
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Posted 2 days ago
AI avatar developer / AI web application specialist
We are seeking an experienced AI avatar developer to build a custom interactive web platform. This is a proprietary project, so full details will only be shared after screening and NDA/confidentiality agreement. We are looking for someone with proven experience building custom AI avatar, AI companion applications.
- Python
- SQL
- Artificial Intelligence
- AI Avatar
- 3D Avatar
- Avatar
- JavaScript
- HTML5
- CSS3
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Posted 2 days ago
Business Development Specialist Needed to Acquire U.S. IT Clients
Business Development Specialist — Client Acquisition for U.S. Software Consulting Company. I am the founder of Celero Digital LLC, a U.S.-based software consulting company. We are looking for a long-term Business Development Specialist who can help us find new clients and grow our business.
- B2B Marketing
- Relationship Management
- LinkedIn Sales Navigator
- Lead Generation
- Business Development
- Cold Email
- Appointment Setting
- CRM Software
- Sales Prospecting Software
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Posted 2 days ago
Claude AI + GoHighLevel Developer (Custom MCP Server)
I need a developer to build a custom MCP server to connect Claude AI with GoHighLevel (GHL). The goal is to allow Claude to send and receive data in GHL and reply to leads automatically. Tasks: Connect Claude API with GHL, set up webhooks for real-time data, enable AI replies (SMS, email, chat).
- JavaScript
- API
- Python
- PHP
- MySQL
- HTML
- CSS
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Posted 2 days ago
FTP Developer Needed For Website Changes
We need help with some web changes via FTP. Please only apply if you have experience with backend work using FileZilla or your preferred tool. The changes we need are basic and don't require a ton of custom coding.
- Web Development
- PHP
- HTML
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Posted 2 days ago
Senior Full-Stack Developer for Twilio + OpenAI + Google Calendar MVP
We are building an MVP for an AI assisted missed inquiry recovery and intake automation tool for service businesses that depend on inbound customer inquiries. The product helps businesses respond quickly when an inbound inquiry is missed, collect basic intake information through an AI agent.
- Next.js
- Twilio API
- OpenAI API
- PostgreSQL
- TypeScript
- Node.js
- Supabase
- Google Calendar API
- AI Chatbot
- SMS Gateway