Joshua P.
Letterkenny, Ireland
100%
Job Success
Top Rated Plus
AI Engineer (React and Typescript)
$83.33/hr
Turn your idea into a fast, reliable AI-powered web app.
“Josh was a delight to work with; always cooperative, creative, responsive and technically excellent.”
— Bec Evans & Chris Smith, Founders of Prolifiko
I help product teams and founders build production-grade AI web applications. From prompt design and evaluation pipelines to responsive UI components and secure hosting, I deliver everything you need to launch your AI-driven product quickly and confidently.
👉 What You Get
• Discovery & Architecture
A kickoff conversation to map your requirements, user flows, and success metrics.
• Front-end UI
Pixel-perfect, responsive components that delight on desktop & mobile.
• Back-end & Hosting
Database, authentication, monitoring, CI/CD and hosting over a CDN.
• LLM Integration & Evals
Prompt engineering and automated evaluation pipelines to ensure consistent quality.
• 100% Money-Back Guarantee
If you’re not satisfied with any milestone delivery, you get a full refund—no questions asked.
🔄 My Process
1. Consultation & Scope
I work with you to clarify the idea, business goals, and technical requirements.
2. Proposal & Wireflows
I deliver detailed wire-flow diagrams, timeline estimates, and milestone breakdowns.
3. Design & Build
Iterative sprints with daily updates, milestone reviews, and rapid feedback loops.
4. Launch & Handoff
Final deployment, documentation, and a live walkthrough so your team can take over seamlessly.
❓ FAQ
Q: What’s the typical cost?
A: Simple MVPs start around $5k–$10k. Complex AI features and multi-screen apps range $15k–$35k. I work hourly or fixed-price—your choice.
Q: Do you sign NDAs?
A: Absolutely. I’ll send over my standard NDA before we discuss any sensitive details.
Ready to build your AI web app?
Get in touch for a free 30-minute strategy session.
Work history
Work history
Prompt Development for Content Categorization
Dec 11, 2024
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Jun 4, 2025
Private earnings
Haircare recommendation engine
Dec 9, 2024
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Jan 9, 2025
"Josh was an absolute delight to work with and exceeded my expectations in every possible way. From the moment we began our collaboration, he demonstrated a level of professionalism, expertise…
Private earnings
API Maintenance
Dec 17, 2024
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Jan 9, 2025
"Josh was an absolute delight to work with and exceeded my expectations in every possible way. From the moment we began our collaboration, he demonstrated a level of professionalism, expertise…
Private earnings
GPT and ChatGPT prompt research
Mar 11, 2023
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Apr 12, 2023
"Would jump at the chance to work on another project with Joshua. Wicked smart and an awesome communicator."
Private earnings
Web researcher who is also a ChatGPT Geek
Feb 24, 2023
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Feb 27, 2023
"I am delighted to provide a glowing recommendation for the exceptional research that Joshua conducted for us as a freelancer. Joshua demonstrated a high level of expertise and attention to…
Private earnings
Member Services Consultant
Jan 25, 2021
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Sep 7, 2021
Private earnings
Ethereum DApp Game Website Development
Aug 8, 2018
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Dec 6, 2019
"Josh was a real pleasure to work with. His communication was exellent. And he was very willing to make things right if mistakes were made. I think our specific job…
Private earnings
DAO MVP
Sep 23, 2018
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Nov 8, 2018
"Seamless Execution, High Work Ethics, Maximum Involvement, Great Communication, can't fault this guy, highly recommended Five star Plus"
Private earnings
Tamuro Web App
Oct 18, 2017
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Sep 14, 2018
Private earnings
Need help with Curriculum Design for Web Development Bootcamp (Advanced JavaScript, NodeJS, CI/CD)
Aug 29, 2018
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Sep 12, 2018
"Josh is really great to work with! He completed the Curriculum Research work with great quality and enthusiasm. He is smart and very co-operative. I look forward to work with…
Private earnings
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Skills
Skills
- Prompt Engineering
- LLM Prompt Engineering
- Generative AI
- Generative AI Prompt
- AI Consulting
- LLM Prompt
- Generative AI Prompt Engineering
- AI Development
- AI App Development
- ChatGPT API Integration