Find the Best Freelance Prompt Engineering Jobs

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Check out a sample of the 5 Prompt Engineering jobs posted on Upwork

Last updated: 2026-06-29

  • Posted 5 days ago

    Arabic AI Prompt Engineer for Legal AI

    HourlyExpertEst. Time: 1 to 3 months

    We are hiring an Arabic AI Prompt Engineer for a specialized Legal AI project. The role involves building and improving prompts for legal strategies, focusing on Arabic language proficiency. The ideal candidate will have expertise in AI prompt engineering and be able to work on legal applications.

    • Arabic
    • Arabic to English Translation
    • English to Arabic Translation
    • CAD
  • Posted 5 days ago

    Build an AI chatbot with RAG integration for our custom business knowledge base

    Fixed: $100Intermediate

    We're a small startup looking to build an AI-powered chatbot that can answer questions based on our own internal business data. We need someone who understands RAG (Retrieval-Augmented Generation), vector databases, and LLM integration to build this from scratch and deploy it to production. We need: a working AI chatbot trained on our custom business documents; a RAG pipeline using a vector database (Pinecone, Weaviate, or similar) for accurate context-aware responses; LLM integration using OpenAI API or Gemini with proper prompt engineering; a clean REST API (FastAPI or Node.js) to power the chatbot backend; a simple frontend interface built in React or Next.js; deployed via Docker.

    • Docker
    • OpenAI API
    • LangChain
    • Python
    • SaaS Development
    • REST API
    • Generative AI
    • FastAPI
    • LLM Prompt Engineering
    • AI Chatbot
  • Posted 5 days ago

    Claude AI Workspace & Workflow Expert

    HourlyExpertEst. Time: Less than 1 month

    I'm looking for an experienced Claude AI consultant to help me build a scalable AI workspace for my consulting business. I already use Claude daily, so I'm not looking for beginner training. My goal is to build an AI-powered system that helps me manage multiple clients in marketing, PR, branding and social media. I'd like Claude to organize workspaces for each client, understand each client's brand and documentation, assist with strategy/research/brainstorming, create PR materials (press releases, media pitches, press kits), create social media content and content calendars, write presentations and client deliverables, review my work and improve it, and help manage projects and workflows.

    • claude ai
    • anthropic
    • Prompt Engineering
    • Artificial Intelligence
    • AI Consulting
    • ai automation
    • workflow design
    • Knowledge Management
    • mcp
    • Project Management
  • Posted 5 days ago

    Senior AI Automation Engineer wanted, long-term (n8n, LLMs, real engineering depth) - Contract to Hire

    HourlyExpertEst. Time: More than 6 months

    We're a UK marketing agency working only with finance firms (accountants, bookkeepers, IFAs, brokers). We build AI systems that save these firms time on internal processes, plus internal automation for ourselves. We already build in n8n and Claude Code, so we know the basics — we're not looking for someone who can only wire up a no-code workflow, we're looking for genuine expertise. You'll help with building reliable automation systems we sell to finance clients, internal marketing and ops automation, and advising on feasibility (what's realistic, what isn't, where it'll break, and how to design around it). You must have several years building LLM-based systems that actually ran in production, and the judgment to push back when something won't work.

    • AI Agent Development
    • AI Development
    • LLM Prompt Engineering
    • Artificial Intelligence
    • Machine Learning
  • Posted 6 days ago

    Generative AI Video Editor — Veo3 / Kling / Seedance / Google Flow

    Fixed: $200Entry

    We are a corporate video production company specializing in AI-generated training and communications content for enterprise clients. We are not hiring for a single project — we are building a vetted roster of generative AI video editors we can call on consistently as our client pipeline grows. Editors who perform well on the test project will be prioritised for ongoing paid work. The test project: produce a 30-60 second generative AI video clip to specification, including prompt engineering and scene generation using provided tools, basic edit assembly and timing, and delivery of the final file in the specified format. A full brief, storyboard with reference images, and a limited tool credit allowance will be provided.

    • Generative AI
    • Prompt Engineering
    • Veo 3
    • Nano Banana
    • CapCut
    • Eleven Labs
    • Kling AI
    • Seedance 2.0
    • Claude
    • ChatGPT

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