Hire the Best OpenAI Developers Near Philadelphia

Toptal is a marketplace for top OpenAI developers. Top companies and startups in Philadelphia choose Toptal OpenAI freelancers for their mission-critical initiatives.

No-Risk Trial, Pay Only If Satisfied.

Trusted by leading brands and startups

Hire OpenAI developers near Philadelphia or in a similar time zone

Vishnu Anurag Thonukunoori

Freelance OpenAI Developer
Verified Expert in Engineering
United States
Toptal Member Since August 8, 2025

Vishnu is an AI/ML engineer with 5+ years of experience building scalable machine learning and generative AI solutions for enterprises. He specializes in LLMs, RAG pipelines, and AWS-based deployments and has had proven success in NLP, prompt engineering, and vector search. Vishnu is trusted by clients across insurance, eCommerce, and sustainability sectors for delivering production-grade AI systems that drive business value.

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Matthew Angelini

Freelance OpenAI Developer
Verified Expert in Engineering
United States
Toptal Member Since July 21, 2022

Matthew has over a decade of experience working with startups and enterprise clients. He helps mentor, grow, architect, and develop scalable products and solutions. Matthew is an experienced engineer passionate about application development, clean user experience, consistency, and reliability.

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Glenn D. House Sr.

Freelance OpenAI Developer
Verified Expert in Engineering
United States
Toptal Member Since October 20, 2025

Glenn is an AI and cloud technology executive with experience in turning emerging technologies into enterprise-scale transformations. Certified AWS-AI lead with deep expertise in GenAI, LLMs, and decision-intelligence, he delivers measurable outcomes, accelerates forecasting accuracy, and improves strategy across defense and commercial markets. Glenn is an entrepreneurial strategist with three successful startup exits who aligns AI innovation with C-suite priorities and drives AI adoption.

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Johnmicah Potter

Freelance OpenAI Developer
Verified Expert in Engineering
United States
Toptal Member Since July 27, 2020

Johnmicah is a principal-level engineer and AI architect with nearly 20 years of experience building large-scale systems for Fortune 500 enterprises and high-growth startups. Anthropic-trained, he ships production agentic AI: multi-agent systems, LLM services, and MCP servers, plus the infrastructure behind them. He founded Integrally's engineering org from zero, holds a granted patent for an AI code-generation process, and has a second AI-agent patent pending.

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Ryan Ramchandar, P.Eng.

Freelance OpenAI Developer
Verified Expert in Engineering
Canada
Toptal Member Since May 24, 2023

Ryan is a senior Flutter developer with 15+ years in app development who excels in crafting visually appealing, user-friendly mobile apps. Passionate about UI/UX, his computer engineering background has contributed to numerous successful app launches. Ryan's blend of technical skills and design expertise make him a top choice for companies seeking a skilled Flutter developer.

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Ivan Novak

Freelance OpenAI Developer
Verified Expert in Engineering
United States
Toptal Member Since February 2, 2022

Ivan is a technical founder, principal engineer, and solution architect with 20 years of experience. He has participated in and founded multiple startups and is familiar with the highest highs and lowest lows that owners go through. Recently, he helped grow a startup from a $4 million to $87 million valuation in three years with a successful Series A round. Ivan's in-depth understanding and strategic approach have enabled him to deliver numerous products.

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Jose Luis Moreira Arruda

Freelance OpenAI Developer
Verified Expert in Engineering
Brazil
Toptal Member Since April 19, 2023

Jose is a senior AI/ML engineer who's experienced across multiple sectors, including eCommerce, healthcare, and fintech. He is an expert in developing strategic projects and building AI/data products. He easily translates pain points and business goals into tailored AI products and designs. He deploys machine learning and deep learning models for time series, CV, and NLP and integrates them into company systems on the cloud. Jose has led data science projects while mentoring colleagues.

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Erick Katzenstein

Freelance OpenAI Developer
Verified Expert in Engineering
United States
Toptal Member Since May 24, 2017

Erick is a full-stack engineer with exceptional velocity and an obsession for UX design. With 15 years of experience in engineering and design, his main areas of expertise include product development, 3D interaction, data visualization, and conversational AI (ChatGPT and Llama 2). Erick can build an entire product from scratch and looks forward to the next exciting project.

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Matty Hogan

Freelance OpenAI Developer
Verified Expert in Engineering
United States
Toptal Member Since October 31, 2022

Matty is a serial entrepreneur, C-level officer of startups, and an engineer who specializes in full-stack product development for AI and Agentic products. He is recognized as a subject matter expert in AI agents, having shipped dozens of AI products to market during his tenure as CTO of Pompeii Labs, and has consulted on AI initiatives used by hundreds of thousands of people today.

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Deren Singh

Freelance OpenAI Developer
Verified Expert in Engineering
United States
Toptal Member Since February 24, 2026

Deren is an AI engineer who turns cutting-edge LLM research into production-ready systems that scale. With deep expertise in Kubernetes, AWS, and distributed training orchestration, he architects inference pipelines that maintain over 99.9% availability across multi-region deployments. From building intelligent AI agent systems with MCP and FastMCP to designing robust MLOps workflows, Deren delivers enterprise solutions that drive measurable business impact.

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Vasyl Boyko

Freelance OpenAI Developer
Verified Expert in Engineering
Canada
Toptal Member Since May 27, 2025

Vasyl is a full-stack engineer with 7+ years of experience building scalable web and mobile apps with TypeScript, React, React Native, Node.js, and AWS. With a strong focus on UX and team leadership, his front end expertise spans single-page applications, server-side rendering, and microfrontends, and he uses Express.js, microservices, and SQL and NoSQL databases for the back end. Skilled in CI/CD, testing, cloud, and Agile tools, Vasyl values impact, autonomy, and continuous improvement.

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A Hiring Guide

Guide to Hiring a Great OpenAI Developer

Skilled developers are needed across many industries to harness the power of OpenAI and deliver innovative solutions. But with this being such cutting-edge technology, how can you effectively vet qualified candidates who may not have domain-specific knowledge about OpenAI? This hiring guide covers what you need to know to find the best OpenAI developer for your project.

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Toptal in the press

... allows corporations to quickly assemble teams that have the right skills for specific projects.

Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.

Our clients
Creating an app for the game
Creating an app for the game
Leading a digital transformation
Leading a digital transformation
Building a cross-platform app to be used worldwide
Building a cross-platform app to be used worldwide
Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
Testimonials

How to Hire OpenAI Developers Near Philadelphia

1

Talk to One of Our Industry Experts

A Toptal director of engineering will work with you to understand your goals, technical needs, and team dynamics.
2

Work With Hand-Selected Talent

Within days, we'll introduce you to the right OpenAI developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new OpenAI developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

Toptal Lets You Hire Fast,
With Unparalleled Success

  • Trusted Talent Only

    Trusted Talent Only

    Our talent network is composed of thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.

  • Precise Matching

    Precise Matching

    Our experienced talent matchers specialize in identifying talent that fits your needs. They work to understand your exact requirements and hand-select the best professionals for your project.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDAs, streamlining the hiring process so you can focus on innovation, not overhead.

  • No-risk Trial Period

    No-risk Trial Period

    We want to be sure your engagement is a total success, so we offer a no-risk trial period. Work with your new hire for up to two weeks and pay only if you’re satisfied.

  • Effortless Scaling

    Effortless Scaling

    We help you scale your team up or down as needed, with quick and efficient hiring in under 48 hours.

  • Flexible Engagements

    Flexible Engagements

    Our flexible engagement models allow you to choose the engagement type that suits your needs and adjust it anytime: hourly, part time, or full time.

Top OpenAI Developers Are in High Demand.

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