Top Rated on Upwork

Hire AI Developers Who Build What You Need

Tell us what you need to build. We match you with a vetted AI developer who writes clean code, ships fast, and fits into your existing tech stack. Ready to start within 24 hours.

15+ Years Combined Expertise
100% Job Success on Upwork
Vetted AI Developers
No Long Hiring Cycles
Fast Onboarding
LLMs, Agents & Automation

View Case Studies

100+
AI Developers
160+
Software Products Delivered
50+
AI Solutions
15+
Total Years of Experience

Our Trusted Clients

ICICI
Waterfield
Grip
Armstrong
Elunic
Nortmaq
Xanevo
Ackuity

Meet Our Engineers

Meet Nagadia

3 Years of Experience

Senior AI Engineer/Developer

  • M.Sc. in AI AURO Univeristy - Surat, India
  • B.Sc. in IT B.K.Birla - Mumbai, India
NLP Machine Learning Artificial Intelligence Data Analysis Data Science Back-end Developers Neural Network Data Visualization LLM OpenAI RAG Prompt Engineering Python SQL Analytics DevelopmentNLP Machine Learning Artificial Intelligence Data Analysis Data Science Back-end Developers Neural Network Data Visualization LLM OpenAI RAG Prompt Engineering Python SQL Analytics Development

Dev Chandan

3 Years of Experience

Senior AI Engineer/Developer

  • Post Graduate Program in Artificial Intelligence & Machine Learning, University of Texas at Austin (in collaboration with Great Lakes), 2025 — GPA: 3.72/4.0
  • B.Tech in Artificial Intelligence, NMIMS Mukesh Patel School of Technology Management & Engineering (in collaboration with Virginia Tech), 2024 — CGPA: 3.93/4.0; Certificate of Merit
Generative AI Large Language Models (GPT, Claude, Gemini, Llama, DeepSeek) RAG LangChain Prompt Engineering Function Calling Fine-tuning (QLoRA) Python FastAPI SQL REST APIs PyTorch TensorFlow Hugging Face Kubernetes Docker Azure GCP GitHub Actions Langfuse LangSmith Pinecone Chroma YOLOv8 OpenCV.
Our Expertise

Skills Our AI Developers Bring to Every Project

When you hire AI developer talent from us, you get people who write clean, production-grade code and ship AI applications fast. They also know how to fit that work into your existing systems without causing headaches for your team.

Here's what our developers focus on:

Full-Stack Development Proficiency

Our developers work across frontend, backend, APIs, and cloud infrastructure. This means they can add AI features to any layer of your product without needing extra engineering support from your side.

LLM API Integration and Custom Development

They Integrate OpenAI, Claude, Gemini, and Llama APIs into existing products. They also build custom LLM-powered features that hold up once real users start relying on them.

AI Agent and Workflow Development

Our team codes autonomous AI agents and automated workflows that connect your tools and handle business tasks with minimal human input.

Rapid Prototyping to Production

They move fast from proof-of-concept to a live, production-ready application, usually in weeks rather than months, without cutting corners on code quality.

AI Feature Development for SaaS Products

Our developers add AI-powered features like intelligent search, recommendations, and predictive tools into SaaS platforms you already have.

API Development and System Integration

They build and connect REST APIs, webhooks, and third-party integrations, so your AI applications work smoothly with your CRM, ERP, and other data systems.

Foundation Model Expertise

Foundation Models We Have Hands-On Experience In

Choosing the right AI model matters as much as writing good code. Our developers have hands-on experience across the leading foundation models, and they know how to pick, integrate, and fine-tune the right one for each project.

Here's a quick look at what each model is good for:

OpenAI GPT-4o

OpenAI GPT-4o

Strong for API integration, function calling, and building custom GPT-based features into enterprise applications.

Anthropic Claude

Anthropic Claude

Handles long documents well. Useful for building enterprise assistants, RAG systems, and applications where safety matters most.

Google Gemini

Google Gemini

Built for multimodal work — combining text, image, and audio in one workflow.

Meta Llama

Meta Llama

An open-source option. Good for self-hosted deployment when data privacy is a priority.

Mistral

Mistral

A cost-efficient choice for high-volume applications that need fast response times.

Grok

Grok

Useful when your application needs access to real-time or up-to-date information.

Our Tech Stack

The AI Tech Stack Our Developers Use

Good AI development isn't just about the model you choose. It's about everything else running around it - the databases, the frameworks, and the infrastructure that keep a system working day to day.

Here's what our developers work with, grouped by category:

Programming Languages
Python JavaScript TypeScript SQL
AI Frameworks and Libraries
TensorFlow PyTorch Scikit-learn Hugging Face FastAPI
Vector Databases
Pinecone Weaviate ChromaDB pgvector
AI Agent Frameworks
LangChain LangGraph CrewAI AutoGen
Cloud and Infrastructure
AWS Microsoft Azure Google Cloud Platform Docker Kubernetes
Development and Integration
REST APIs GraphQL Webhooks GitHub CI/CD Pipelines
Data Engineering
Apache Spark dbt Airflow PostgreSQL MongoDB
What Our AI Developers Build

Applications and Features Our AI Developers Deliver

01

AI-Powered Web and Mobile Applications

We build full-stack applications with AI at the core. This includes intelligent interfaces on the frontend and automated processes running behind the scenes.

02

LLM-Integrated SaaS Features

We add GPT-4o, Claude, or Gemini-powered features directly into your existing SaaS product. You get new capabilities without rebuilding your platform from the ground up.

03

Custom AI Chatbot and Assistant Development

We build chatbots and assistants trained in your business context. They understand your data, answer accurately, and reflect on how your company communicates.

04

AI API Development and Third-Party Integrations

We build custom APIs that connect your AI applications to the tools you already use, including CRMs, ERPs, databases, and other external services.

05

AI Workflow and Automation Development

We build automation pipelines that link your tools together and remove manual steps. Once live, these workflows run business processes on their own.

06

RAG-Powered Search and Knowledge Applications

We build applications that pull accurate answers directly from your own documents, databases, and knowledge bases. This method, called retrieval-augmented generation, or RAG, allows an AI model to reference your specific data instead of relying only on general training knowledge.

07

Rapid AI Prototypes to Production Applications

We take a working prototype and turn it into a fully deployed, production-ready application. Most projects move from concept to launch in weeks, without shortcuts on code quality.

08

AI Feature Development for Existing Products

We embed predictive analytics, intelligent recommendations, automated classification, and AI-powered search into the product you already have.

Why Choose us

Why Companies Choose to Hire AI Developers from Us

01

Production-Ready AI Development

Our developers are measured by what they ship, not by what they demo. Every engineer on our team has real experience delivering AI applications that went live and stayed live.

02

Full-Stack AI Development Capability

From integrating LLM APIs and coding AI agents to embedding features on the frontend and deploying on the backend, our developers manage the complete development lifecycle.

03

Hire in 24 Hours

Share your tech stack, project goals, and timeline with us, and we'll match you with the right developer or team, ready to start within a day. There's no lengthy recruitment process standing in your way.

04

No Long Hiring Cycles

There are no notice periods, no recruitment overhead, and no long-term commitments unless you choose them. You can hire on your own terms and scale up or down as your project changes.

05

Flexible Engagement Models

Whether you need a single developer for one feature or a full team for an end-to-end build, we adjust our approach to fit what you actually need.

06

Clean Code and Full Documentation

Every project we deliver comes with complete technical documentation and a clean, well-structured codebase. This means your team can maintain and build on the work confidently after we hand it over.

Get in Touch

Talk to an AI Expert

Who We Serve

Industries We Serve

Fintech and Banking

Real-time fraud detection and prevention systems, credit scoring and underwriting models, and algorithmic trading signal generation.

Healthcare

HIPAA-aware applications for patient data processing, clinical documentation and note summarization tools, and patient risk prediction and readmission scoring.

Legal and Compliance

Contract analysis and clause extraction tools, document classification and intelligent search, and compliance monitoring and flagging systems.

E-commerce and Retail

Personalized product recommendation engines, visual search and image-based discovery tools, and demand forecasting and inventory optimization.

HR and Recruitment

Candidate matching and ranking models, resume classification and skills extraction, and interview outcome prediction tools.

SaaS and Technology

Customer churn prediction and prevention, AI feature development and personalization, and intelligent search and content ranking.

Manufacturing

Predictive maintenance and failure detection, real-time defect detection using computer vision, and supply chain and demand planning tools.

Real Estate

Property valuation and pricing tools, lead scoring and qualification applications, and automated document processing systems.

Case Studies
Leadership Team

Meet Our
Founders

Shailesh Jain

Co-Founder · CMU Alumni

Shailesh Jain

Nirav Shah

Co-Founder · Columbia, Ex UBS

Nirav Shah
Client Stories

What clients say about us.

“Quantal AI and Team are EXPERTS at building ANY AI functionality you’re seeking! We’ve hired them for 2 projects already — each completed ON TIME and UNDER BUDGET. Highly Recommended!”

Melissa C
Melissa C
myhomecarebiz.com

“Working with Quantal AI team has been an absolute pleasure. Their technical aptitude is outstanding — they’re not only highly competent but also creative, thoughtful, and reliable. They built a complex integration for our wine business connecting PhotoRoom, Google Cloud, AWS, and Shopify, and it works beautifully.”

David F
David F
Osteopathic Healing Hands

“It was a pleasure working with Quantal AI team. Communication was smooth, deadlines were respected, and the overall collaboration was professional and efficient. I would definitely consider working together again in the future. Recommended!”

Ivana M
Ivana M
Elunic AG

Frequently Asked Questions

  • What is the difference between an AI developer and an AI engineer?
    The two titles are often used interchangeably. Generally, when you hire AI developer talent, you're getting someone focused on building and integrating AI features into products. An AI engineer may also handle model training and infrastructure work.
  • What programming languages should an AI developer know in 2026?
    Python remains the most widely used language for AI development. JavaScript, TypeScript, and SQL are also valuable, particularly for building complete products around AI features.
  • Can an AI developer build a complete product, or just individual features?
    Both. It depends on the scope of your project and the engagement model you choose when you work with AI developers for hire.
  • How do I hire an AI developer for a startup with a limited budget?
    Starting small works well. A project-based or part-time engagement lets you hire AI developer support without the cost of a full-time hire.
  • What is the difference between hiring an AI developer and a traditional software developer?
    An AI developer combines standard software development skills with experience working with AI models, training data, and AI-specific frameworks.
  • How quickly can an AI developer integrate AI into my existing product?
    Timelines vary based on complexity, but many teams see a working feature within a few weeks of bringing in the right developer.
  • Should I hire a freelance AI developer or work with an AI development company?
    Working with a company gives you built-in accountability, backup support, and a vetting process already in place. Browsing AI developers for hire through an agency also means faster replacements if a project scope changes.
  • What does a typical AI developer project timeline look like from start to delivery?
    Most projects begin with a scoping call, followed by development sprints, testing, and a final handover with full documentation.
  • How do I know if an AI developer can handle my specific tech stack and integrations?
    We match developers to your exact stack and requirements before any work begins, so compatibility is confirmed upfront. This matters most when you hire senior AI developers for complex integrations.
  • What happens if the AI developer I hire does not deliver what I need?
    We stay involved throughout the project and address any gaps early, rather than waiting until the final delivery.

Ready to Bring an AI Developer onto Your Team?

Every AI project starts the same way: with a clear idea and the right person to build it. Share your requirements with us, and we'll take it from there. We'll review your project, match you with a developer suited to your tech stack, and get them started within 24 hours. No lengthy interviews. No drawn-out onboarding.

Or email us directly at contact@quantaltech.ai or call +1 315 809 3225.