1,200+ GPT Developers Available

Find a GPT
Developer

Hire pre-vetted OpenAI API, ChatGPT integration, and LLM specialists in as little as 48 hours. Enterprise-grade talent matching powered by AI + human expertise.

48 hrs
Time to match
Top 3%
Acceptance rate
150+
Countries

Trusted by industry leaders

Amazon Adobe Uber Bloomberg Boeing Coca-Cola
AI & LLM Technologies

Every AI Model. Every Integration.
One Platform.

Access developers skilled in the complete GPT and LLM ecosystem — from OpenAI APIs to custom AI solutions.

OpenAI API

890+ devs

LangChain

540+ devs

Python

1,100+ devs

Vector DBs

320+ devs

RAG

450+ devs

Fine-tuning

280+ devs

GPT-4 GPT-3.5 Embeddings Prompt Engineering Azure OpenAI Hugging Face Pinecone Weaviate ChromaDB Semantic Search Function Calling Assistants API

Need a specialist in a specific AI technology?

Tell Us Your Requirements
Simple Process

How to Find Your GPT Developer

From requirements to matched talent in as little as 48 hours. Our AI + human approach ensures you get exactly the right fit.

1

Share Your Requirements

Tell us about your AI project needs — integration type, model preferences, use case, and timeline. Our AI analyzes your requirements against our network of LLM specialists.

  • AI/LLM stack matching
  • Experience level filtering
  • Timezone & availability
2

Review Matched Candidates

Within 48 hours, receive a curated shortlist of pre-vetted GPT developers. Each candidate includes detailed profiles, AI project samples, and verified reviews.

  • 3-5 matched candidates
  • Video introductions
  • AI project portfolio
3

Start Building Together

Interview your top picks and onboard seamlessly. WorkGenius handles contracts, payments, and compliance across 150+ countries so you can focus on building.

  • Compliant contracts
  • Global payments handled
  • Ongoing support

Ready to find your GPT developer?

Schedule a free consultation and get matched within 48 hours.

Schedule a Call
AI Projects

What Can GPT Developers Build?

From intelligent chatbots to complex AI workflows, our developers deliver production-ready GPT-powered solutions.

AI Chatbots & Assistants

Build intelligent conversational AI using GPT-4, with context awareness, memory, and custom personalities for customer service or internal tools.

GPT-4Assistants APILangChain

RAG Applications

Create retrieval-augmented generation systems that combine your proprietary data with LLM capabilities for accurate, contextual responses.

EmbeddingsPineconeVector Search

Content Generation

Automate content creation at scale with fine-tuned models for your brand voice. Generate marketing copy, documentation, or creative content.

Fine-tuningPrompt EngineeringGPT-4

Document Processing

Extract insights from documents, contracts, and PDFs using GPT vision and text capabilities. Automate analysis and summarization workflows.

GPT VisionOCRNLP

API Integrations

Integrate OpenAI APIs into existing applications with proper error handling, rate limiting, and cost optimization strategies.

OpenAI APIFunction CallingREST

Custom AI Agents

Build autonomous AI agents that can reason, plan, and execute multi-step tasks using tool calling and chain-of-thought prompting.

AgentsAutoGPTLangChain

Have a specific AI project in mind?

Discuss Your Project
Why WorkGenius

Not Just Another
Freelance Marketplace

Traditional platforms give you thousands of profiles to sift through. WorkGenius gives you 3-5 perfect matches — pre-vetted AI developers who fit your exact needs.

AI + Human Expertise

Our AI analyzes technical requirements while expert recruiters assess culture fit and soft skills.

Pre-Vetted Quality

Only the top 3% of applicants pass our technical assessments, live interviews, and background checks.

Enterprise Compliance

Compliant hiring in 150+ countries. We handle contracts, payments, taxes, and legal requirements.

Get Started Today

Free consultation. No commitment required.

48hrs
Average time to first match
500K+
Pre-vetted developers
98%
Client satisfaction rate
150+
Countries supported
Common Questions

GPT Developer Hiring FAQ

How quickly can I hire a GPT developer?

With WorkGenius, you can receive matched GPT developer candidates within 48 hours. Our AI-powered matching combined with human expertise ensures you get pre-vetted talent that matches your exact requirements. From initial consultation to developer onboarding, most clients complete the hiring process within 1-2 weeks.

What GPT and AI technologies do your developers specialize in?

Our network includes 1,200+ pre-vetted AI developers specializing in:

  • OpenAI Products: GPT-4, GPT-3.5, Assistants API, Function Calling, Embeddings
  • Frameworks: LangChain, LlamaIndex, Semantic Kernel, Haystack
  • Vector Databases: Pinecone, Weaviate, ChromaDB, Milvus, Qdrant
  • Cloud AI: Azure OpenAI, AWS Bedrock, Google Vertex AI
  • Techniques: RAG, Fine-tuning, Prompt Engineering, Chain-of-Thought
  • Languages: Python, TypeScript, JavaScript

How are GPT developers vetted?

Every developer goes through a rigorous multi-step vetting process:

  1. Application Review: Resume, portfolio, and AI project verification
  2. Technical Assessment: LLM integration challenges and prompt engineering tests
  3. Live Coding Interview: Real-time AI system design with senior engineers
  4. AI Project Review: Evaluation of past GPT/LLM implementations
  5. Background Verification: Identity and professional reference checks

Only the top 3% of applicants make it into our network.

What does it cost to hire a GPT developer?

Rates vary based on experience level, specialization, and location. Typical ranges:

  • Junior AI Developer: $50-80/hour
  • Mid-Level GPT Developer: $80-130/hour
  • Senior LLM Engineer: $130-180/hour
  • AI Architect/Lead: $180-250+/hour

WorkGenius provides transparent pricing with no hidden fees. We handle all payments, taxes, and compliance.

Can I hire GPT developers for short-term projects?

Yes! WorkGenius supports flexible engagement models:

  • Project-Based: One-time AI implementations with defined scope
  • Part-Time: Ongoing AI development with flexible hours (10-30 hrs/week)
  • Full-Time: Dedicated developers working exclusively on your AI projects
  • Team Augmentation: Scale your existing team with AI/LLM expertise

Minimum engagement is typically 40 hours, but we can accommodate various project sizes.

What if the developer isn't the right fit?

We stand behind our matching quality with a replacement guarantee. If a developer doesn't meet your expectations within the first two weeks, we'll provide a replacement at no additional cost. Our 98% client satisfaction rate reflects our commitment to finding the right fit the first time.

Still have questions? Let's talk.

Schedule a Call
Start Hiring Today

Find Your Perfect
GPT Developer

Join 500+ companies that trust WorkGenius for their AI development needs. Get matched with pre-vetted OpenAI API and LLM integration specialists in 48 hours.

No commitment required. Free consultation included.