Hire the Top 3% of Freelance WebAssembly Developers

Toptal is a marketplace for top WebAssembly developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal WebAssembly freelancers for their mission-critical software projects.

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Hire Freelance WebAssembly Developers and Engineers

Lars Melchior

Freelance WebAssembly Developer
Germany
Toptal Member Since July 15, 2020

Lars is a physicist, entrepreneur, and full-stack developer with 10 years of experience. Having built his own startup from scratch, he knows how to rapidly develop an MVP and bring a product to market. As an open-source library developer, he writes clean and maintainable code that's efficient and production-ready. Holding an MSc in physics, his strong research and analytical skills make him a valuable asset in almost any domain.

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Muhammad Fawwaz Orabi

Freelance WebAssembly Developer
Germany
Toptal Member Since September 23, 2022

Fawaz is a full-stack developer with over seven years of professional experience in React, React Native, TypeScript, Node.js, GraphQL, and REST. During his career, Fawaz has helped ship production-grade mobile and web apps for the most ambitious startups in the US and Germany and a couple of open-source libraries.

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Ahmed Harmouche

Freelance WebAssembly Developer
Hungary
Toptal Member Since February 1, 2022

Ahmed is a full-stack engineer with seven years of experience building applications for the photo and video editor apps and medical industry. He worked on award-winning Android applications with hundreds of thousands of monthly active users and has experience with the whole Firebase stack. Besides full-stack development, Ahmed enjoys low-level Android programming and graphics programming using Android NDK and OpenGL ES.

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Zac Murray

Freelance WebAssembly Developer
Australia
Toptal Member Since August 24, 2021

Zac is a full-stack developer skilled in a wide variety of technologies and business types. As a developer, he made major architectural decisions and delivered solutions to clients that transformed their businesses. Zac has worked in companies of different sizes, from small startups to some of the largest organizations in Australia and is an excellent communicator and highly skilled technologist.

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Sean Zeng

Freelance WebAssembly Developer
New Zealand
Toptal Member Since July 16, 2020

Sean is a software architect from New Zealand specializing in full-stack development with a strong focus on usability, security, and simplicity. He's built business applications, streamlined development with DevOps pipelines, and delivered latency-sensitive architecture. With a passion for software, he excels at providing reliable management and great ideas. Sean enjoys working with brilliant, humble people who aren't afraid to tackle challenges and take the initiative to create excellence.

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Sayed Ahmad

Freelance WebAssembly Developer
Bangladesh
Toptal Member Since September 15, 2022

Sayed is a full-stack .NET developer with six years of experience focusing on analyzing requirements, designing and building large-scale distributed systems with Azure technologies, and developing microservices. He has contributed to all parts of the SDLC, including architectural design, and worked with a wide range of technologies and industries. Sayed has sound knowledge of algorithms and data structures, excellent problem-solving skills, and a bachelor's degree in computer science.

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Amaan Cheval

Freelance WebAssembly Developer
India
Toptal Member Since October 9, 2019

Amaan is an ardent advocate of open-source and is the maintainer for the x86-64 BSP for RTEMS, an open-source real-time operating system used in space missions, including on NASA's Parker Solar Probe. He has also worked on an Intel x86 emulator that runs in the browser, sped up by a custom-made JIT compiler. He loves challenging problems, ranging from kernels and compilers to distributed systems, cryptography, and reverse engineering.

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Dmitry Pavlov

Freelance WebAssembly Developer
Russia
Toptal Member Since July 16, 2012

Dmitry is a top-notch developer with over 20 years of experience creating .NET web applications. He mainly deals with ASP.NET Core and Blazor (C#, .NET Core) software development and architecture design these days. Dmitry has received the Microsoft MVP (Developer Technologies) Award nine times and is a capable community leader. He has also received a Master of Science degree in computer science and structural geology and modeling. Clients call him "The Coding Machine."

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Dmitry Zherebko

Freelance WebAssembly Developer
Ukraine
Toptal Member Since March 5, 2021

Dmitry is a senior full-stack developer with several years of experience developing MPVs for early-stage startups. He's worked in various industries, including cybersecurity, automotive, site builders, document management, and small business and has led moderately-sized teams (5-10 people). Dmitry excels at team management, implementing development workflows, building projects from scratch, and establishing security practices.

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Oussama Gammoudi

Freelance WebAssembly Developer
Tunisia
Toptal Member Since January 19, 2022

Oussama is a full-stack developer with over ten years of experience developing a wide range of applications and front ends and back ends for web, mobile, and desktop. He focuses on designing, implementing, and maintaining microservices solutions built with Angular and NestJS and using TypeScript and Rust in certain services. Oussama enjoys solving problems and facing challenges while using his knowledge of Kubernetes, Elasticsearch, MySQL, and MongoDB.

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Denzil Gumbo

Freelance WebAssembly Developer
United Kingdom
Toptal Member Since June 18, 2020

Denzil is a seasoned full-stack software engineer with 10+ years of experience in application design and development across the healthcare and manufacturing sectors. He is proficient in Waterfall and Agile frameworks and has a proven track record of successfully delivering high-quality software, ensuring code quality delivery from design to launch. Denzil is a technically skilled professional and a strong communicator who seeks roles that leverage his engineering strengths for mutual success.

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THE TOPTAL ADVANTAGE

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Toptal's screening and matching process ensures exceptional talent are matched to your precise needs.

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

Our clients
Creating an app for the game
Conor Kenney
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Drilling into real-time data creates an industry game changer
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Testimonials
Tripcents wouldn't exist without Toptal. Toptal Projects enabled us to rapidly develop our foundation with a product manager, lead developer, and senior designer. In just over 60 days we went from concept to Alpha. The speed, knowledge, expertise, and flexibility is second to none. The Toptal team were as part of tripcents as any in-house team member of tripcents. They contributed and took ownership of the development just like everyone else. We will continue to use Toptal. As a startup, they are our secret weapon.

Brantley Pace

CEO & Co-Founder

I am more than pleased with our experience with Toptal. The professional I got to work with was on the phone with me within a couple of hours. I knew after discussing my project with him that he was the candidate I wanted. I hired him immediately and he wasted no time in getting to my project, even going the extra mile by adding some great design elements that enhanced our overall look.

Paul Fenley

Director

The developers I was paired with were incredible -- smart, driven, and responsive. It used to be hard to find quality engineers and consultants. Now it isn't.

Ryan Rockefeller

CEO

Toptal understood our project needs immediately. We were matched with an exceptional freelancer from Argentina who, from Day 1, immersed himself in our industry, blended seamlessly with our team, understood our vision, and produced top-notch results. Toptal makes connecting with superior developers and programmers very easy.

Jason Kulik

Co-Founder

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

How to Hire WebAssembly Developers Through Toptal

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 WebAssembly developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

Find Experts With Related Skills

Access a vast pool of skilled developers in our talent network and hire the top 3% within just 48 hours.

FAQs

  • How are Toptal WebAssembly developers different?

    At Toptal, we thoroughly screen our WebAssembly developers to ensure we only match you with talent of the highest caliber. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut. You’ll work with engineering experts (never generalized recruiters or HR reps) to understand your goals, technical needs, and team dynamics. The end result: expert vetted talent from our network, custom matched to fit your business needs.

  • Can I hire WebAssembly developers in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with a WebAssembly developer within 48 hours of signing up.

  • What is the no-risk trial period for Toptal WebAssembly developers?

    We make sure that each engagement between you and your WebAssembly 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 expert who may be a better fit and with whom we will begin a second, no-risk trial.

Tap Into World-Class Talent

  • Trusted Experts Only

    Trusted Experts Only

    All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.

  • The Right Fit

    The Right Fit

    We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.

  • Scale as Needed

    Scale as Needed

    Hire talent within 48 hours and scale your team up or down as needed, no strings attached.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.

  • Expert Talent Matching

    Expert Talent Matching

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Top WebAssembly Developers Are in High Demand.

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