Hire the top 3% of freelance
VoIP engineers.

Toptal is a marketplace for top VoIP engineers. Top companies and start-ups choose Toptal VoIP freelancers for their mission critical software projects.
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Hire VoIP engineers

Lucas Tomas Casas Arregui, Argentina

Member since October 11, 2013
Lucas is a strong, experienced developer and architect who has worked on a wide range of solutions including solid state, windowed, web MVC, and single page apps. He has developed and integrated solutions for manufacturing, VoIP, ad publishing, consumer experience, and hotel searching. Click to continue

Nathan Ziebart, United States

Member since January 8, 2013
Nathan is an exert iOS and .NET developer with several years of professional experience and a bachelor's degree in computer science. He is an astute problem solver, and he loves to work with clients across the globe to find the most elegant solutions. Click to continue

Andres Montalban, Uruguay

Member since August 7, 2014
As a highly experienced system administrator, Andres has extensive knowledge of Linux and Unix platforms. His expertise in server environments covers the spectrum of Linux distributions. In addition, Andres has worked in the networking field using Cisco for firewalling, switching, and routing. Click to continue
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Testimonials
“While looking for a high-level Python/Django developer, I found Toptal via a simple Google search, and that was a stroke of luck for our company. We needed a expert engineer who could start on our project immediately as we had a tight deadline. We were introduced to Simanas and immediately knew he was a great choice who had already been vetted... and he exceeded our expectations with his work. Not having to interview and chase down an expert developer was an excellent time-saver and made everyone feel more comfortable with our choice to switch platforms to utilize a more robust language. Toptal made the process easy and convenient, and we are extremely happy with the results. Toptal is now the first place we look for expert-level help.”
Derek Minor
Senior VP of Web Development @ NetWorldMediaGroup
“Getting set up with Toptal and finding a new team member was so easy, I don't know why anyone wouldn't give it a try. Best of all, we no longer have to worry about finding great people to help with our projects!”
Mike Branch
President & CTO @ HarborSI
“Toptal provides a great service: Within a week of posting my job, I was matched with my developer and ended up completing the entire project with him. I'll continue to use Toptal in the future for any new development work I may need.”
Mike Jones
CEO @ DigitalDripped
“As a small company with limited resources we can't afford to make expensive mistakes. Toptal provided us with an experienced programmer who was able to hit the ground running and begin contributing immediately. It has been a great experience and one we'd repeat again in a heartbeat.”
Stuart Pocknee
Principal @ Site Specific Software Solutions
“I've gotten 1 developer from Toptal so far. He's a really good part of our team. I'm planning on adding another from Toptal in the near future. Toptal is a big help these days when recruiting is a big part of my job.”
Aaron Rubin
Founder & CEO @ ShipHero
“I struggled for weeks with a Youtube API-specific problem and couldn't find anyone to solve it. Toptal immediately identified the right consultant who took the time to investigate the issue and resolve it quickly. The process was seamless and I will continue to use Toptal with any other issues that arise.”
Rohit Gupta
CEO @ Bollyshake
“One of our biggest and most time consuming problems is finding qualified staff. We need to find the correct platform to advertise on, create a proper ad, filter through tons of useless applications to try and find the small gems, interview and test the capabilities of applicants to see if they fit our profile and finally take a risk by hiring. This was the old way of doing things! The new way: describe the job position to our Toptal account manager, interview a few qualified applicants, hire with a risk-free trial! Much faster, a lot easier and with incredible end results.”
Catalin S. Balaci
Owner @ EvoBits Information Technology SRL
“We really enjoy working with Toptal. The experience has been very positive, and we'd recommend it to anyone seeking developers on-demand.”
Jeff Kerr
CEO @ CaseFleet
“We've been very pleased with our experience working with Toptal. Their team was incredibly helpful in helping us find the perfect developer for our project. The work was stellar, the communication was excellent and we couldn't have been happier with the overall experience. We're excited to work with Toptal for more projects in the future!”
Ryan Walker
Director, Product Management @ Rand McNally
“As an internet marketing company specializing in pay-per-click management, our clients frequently ask us to provide services that fall outside the scope of our primary business. We have found Toptal to be exactly the resource we need to connect with contractors so we can deliver our clients top tier web development talent at a reasonable cost.”
Pashmina Lalchandani
Owner @ Flowsimple
“In Higgle's early days, we needed best-in-class developers, at affordable rates, in a timely fashion. Toptal delivered! Higgle enjoyed working with Toptal and we appreciate their professionalism.”
Lara Aldag
CEO @ Higgle
“My business relationship with Toptal has been nothing short of terrific. From reviewing my project with their team to choosing a highly-talented developer, and all the way through releasing our application, it has been an incredibly smooth and successful experience.”
Gary Craig
Senior Analyst @ NetApp
“Back in July '12, FundedByMe needed to quickly scale our development team to create the equity crowdfunding leg of our operation. Working with a small budget, we couldn't spend time on vetting candidates, so we turned to Toptal. They identified a stellar developer that truly set the bar when it came to delivering product.”
Arno Smit
CTO @ FundedByMe.com
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My team is going to personally help you find the best candidate to join your team.

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VP of Talent Operations