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Hire the Top 3% of Vapi Developers

Hire vetted Vapi developers on demand. Leading companies choose Vapi freelancers from Toptal for their most important development projects.

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Md Nazim Uddin

Vapi Developer
Australia
Toptal Member Since January 26, 2023

Nazim is a contact center architect and solutions consultant with 20 years of experience delivering CCaaS, UCaaS, and AI voice solutions across ANZ and Asia Pacific. He specializes in Cisco Webex CC, Amazon Connect, Genesys, Avaya, Vapi, and Retell AI, and builds automation workflows using N8N, Python, and AWS serverless. Nazim holds Cisco Webex CC Expert, AWS CSA, and Amazon Connect certifications and has completed 75+ freelance projects globally.

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Alex Burlacu

Vapi Developer
Moldova
Toptal Member Since May 24, 2022

Over the years, as an experienced machine learning engineer, Alex dealt with diverse problems, ranging from computer vision to natural language processing and time series forecasting. He has worked as a single engineer on the project several times, and despite scarce data and few computational resources, he succeeded where others failed. He has acted as a machine learning team lead for the past few years. In his spare time, Alex enjoys engaging in independent lecturing and ML research.

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Rogelio Nicolas Mengual

Vapi Developer
Argentina
Toptal Member Since May 6, 2013

Rogelio is a versatile, positive, and self-motivated full-stack engineer with over 18 years of experience in various programming languages, frameworks, and platforms. He enjoys taking on new challenges and constantly strives to learn new skills.

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Juzar Antri

Vapi Developer
India
Toptal Member Since July 8, 2026

Juzar is a senior AI engineer and full-stack developer with 4.5 years of experience in architecting, scaling, and deploying enterprise-grade distributed applications and GenAI systems. His expertise spans agentic AI, multi-agent systems, and serverless architectures, with notable work at Creole Studios. Juzar engineered multi-agent state-machine frameworks and built semantic discovery systems for multimillion-page corpuses.

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Muhammad Khubaib Raza

Vapi Developer
Pakistan
Toptal Member Since October 13, 2022

Khubaib is a Senior AI Engineer and Full-Stack Developer with 8+ years of experience building production-grade AI systems that deliver real business impact. He specializes in LLMs, agentic systems, RAG, and Voice AI, with hands-on experience in real-time conversational agents. Proficient in Python and TypeScript, he works with Next.js and FastAPI. Khubaib holds a Master’s in Data Science and has expertise in NLP, machine learning, and deep learning.

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Jack Foxcroft

Vapi Developer
United Kingdom
Toptal Member Since July 9, 2026

Jack has spent 10 years delivering and building scalable enterprise software, cloud-native platforms, and real-time 3D applications across engineering, nuclear, and technology industries. He has strong expertise across the stack, with a focus on front-end engineering using modern technologies, including TypeScript, TanStack, Svelte, Next.js, Node.js, Three.js, WebGL, WebGPU, and cloud platforms such as AWS, Azure, and GCP.

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Žygimantas Remeika

Vapi Developer
Lithuania
Toptal Member Since August 28, 2026

Žygimantas is a full-stack engineer with over five years of experience building and running web platforms end-to-end: front-end through API design, data modeling, infrastructure, and deployment. He works primarily in TypeScript and Python and moves between stacks as the problem requires. He took bronze at the ICPC NWERC semifinals and won the Lithuanian national championship with Vilnius University.

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Syed Raza Ahmed

Vapi Developer
Pakistan
Toptal Member Since June 11, 2026

Raza is a full-stack software engineer with over 7 years of experience in scalable web platforms and AI-enabled solutions. Their expertise spans front- and back-end development, cloud infrastructure, and real-time systems, with notable work at Cretive Bugs, Norgic AB, and Technology Wisdom. Raza introduced CI/CD pipelines that reduced deployment time by 60% and led the transition to Next.js, cutting server costs by 25%.

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Janos Horvath

Vapi Developer
United States
Toptal Member Since February 17, 2025

Janos is an experienced research engineer and academic specializing in machine learning, computer vision, and video processing. His innovative work at Dolby Laboratories and Purdue University drives advancements in Dolby Vision and satellite image forensics. As a prolific author and patent holder, Janos brings a unique blend of technical expertise and visionary leadership, fostering collaborative breakthroughs in high-impact technology.

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Haider Ali

Vapi Developer
Pakistan
Toptal Member Since October 6, 2022

Haider Ali is the developer teams call when ideas need to move fast without breaking. He focuses on reducing risk, cutting wasted effort, and helping clients reach clarity faster. He turns uncertain concepts into dependable products, whether it’s an AI assistant, a marketplace, or a real-time mobile app.

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Muhammad Ibrahim

Vapi Developer
Pakistan
Toptal Member Since February 24, 2026

Muhammad is a senior machine learning engineer with 7+ years of experience in AI/ML, MLOps, and scalable system design. He focuses on NLP, ASR, computer vision, and distributed training of transformer models, including LLMs and GenAI. With a strong background in CI/CD, TDD/BDD, and Agile practices, he's proficient in Python, PyTorch, TensorFlow, Django, AWS, and Kubernetes. Muhammad leads AI solutions from research to production, optimizing performance and scalability.

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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
Conor Kenney
Creating an app for the game
Leading a digital transformation
Elmar Platzer
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 Vapi Developers Through Toptal

1

Talk to One of Our Client Advisors

A Toptal client advisor 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 Vapi developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

EXCEPTIONAL TALENT

How We Source the Top 3% of Vapi Developers

Our name “Toptal” comes from Top Talent—meaning we constantly strive to find and work with the best from around the world. Our rigorous screening process identifies experts in their domains who have passion and drive.

Of the thousands of applications Toptal sees each month, typically fewer than 3% are accepted.

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FAQs

  • Typically, you can hire Vapi developers with Toptal in about 48 hours. For larger teams of talent or full end-to-end project delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.

    Once you select your Vapi developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.

  • To hire the right Vapi developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect Vapi developers for your project.

  • At Toptal, we thoroughly screen our Vapi developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut.

    In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.

    When you hire Vapi developers with Toptal, you’ll always work with world-class, custom-matched Vapi developers ready to help you achieve your goals.

  • You can hire Vapi developers on an hourly, part-time, or full-time basis. Toptal can also manage the project end-to-end based on your specific requirements as part of our Consulting and Services offerings. Whether you hire a Vapi developer for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our Vapi developers can fully integrate into your existing team for a seamless working experience.

  • We make sure that each engagement between you and your Vapi developer begins with a trial period of up to two weeks. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, we’ll bill you for the time and continue the engagement for as long as you’d like. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, or we can provide you with another Vapi developer who may be a better fit and with whom we will begin a second, no-risk trial.

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 Vapi Developers Are in High Demand.

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