Hire the Top 3% of Freelance Fuzz Testing (Fuzzing) Developers

Toptal is a marketplace for dedicated Fuzz Testing (Fuzzing) developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal Fuzz Testing freelancers for their mission-critical development projects.

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Fuzz Testing (Fuzzing) Developers and Engineers

Phil Schanely

Freelance Fuzz Testing (Fuzzing) Developer
United StatesToptal Member Since August 10, 2022

Phil is a full-stack engineer and architect with 20 years of experience taking novel systems from design to launch, whether they are performing natural language analysis for a startup or processing trillions of data updates for Google Maps. Building a successful system is not a purely technical endeavor; Phil's track record is critically supported by his consensus-building skills and thorough comprehension of business objectives.

Show More

Krishna Prasad

Freelance Fuzz Testing (Fuzzing) Developer
CanadaToptal Member Since December 13, 2022

Krishna is a full-stack security engineer and cloud security architect with 15 years of experience in the IT sector and 10+ years of experience in multi-cloud security, DevSecOps, and security architecture domains. Krishna is ready to handle any number of issues and give solutions that get results.

Show More

Ali Mesbah

Freelance Fuzz Testing (Fuzzing) Developer
CanadaToptal Member Since March 14, 2022

Ali is an expert in software quality and dependability. With more than a decade of R&D experience in the field of software testing and analysis, he has a proven track record in quality assurance, code quality assessment, test design, test effectiveness and adequacy, test automation, root cause analysis, and program repair.

Show More

Brian Seel

Freelance Fuzz Testing (Fuzzing) Developer
United StatesToptal Member Since September 29, 2022

Brian has over a decade of experience as a software developer, building tools and techniques for computer network exploitation at the National Security Agency. His core skill is his ability to solve multiple problems, from reverse engineering malware to writing data extraction tools or developing GIS maps. As a data analyst, Brian excels in helping decision-makers understand things in a data-driven way.

Show More

Karl Marx Thangappan

Freelance Fuzz Testing (Fuzzing) Developer
United KingdomToptal Member Since November 4, 2022

Karl is a security architect and cloud engineer with 14+ years of experience in the IT industry. He specializes in product security and compliance, cybersecurity, DevSecOps, auditing, system automation, business continuity, and database management. Karl is also working as a security consultant and blog writer to share knowledge about AWS, Azure, GCP, database, and Oracle Apps DBA.

Show More

Richard Doell

Freelance Fuzz Testing (Fuzzing) Developer
United StatesToptal Member Since October 1, 2022

Richard has extensive experience working with software and the people who make it. He loves helping others with his comprehensive toolkit, sometimes a software algorithm, but more often problem-solving tools. Richard has worked in many domains, from computer vision and robotics to orbital modeling, digital signal processing, and cloud computing. He finds that, while details differ, underlying system engineering and architecture approaches remain the same.

Show More

Octavian Lojnita

Freelance Fuzz Testing (Fuzzing) Developer
RomaniaToptal Member Since April 22, 2022

Octavian, an accomplished software polymath, has 20+ years of experience in networking, security, apps, websites, blockchains, and emerging technologies like AI. His expertise in app development, iOS games, custom web systems, and fintech has propelled numerous projects to success in both the Web 2.0 and Web 3.0 realms. Leveraging his profound knowledge, Octavian pushes the frontiers of blockchain technologies, fostering innovation within all his expertise.

Show More

Henrique Dantas

Freelance Fuzz Testing (Fuzzing) Developer
MalaysiaToptal Member Since May 22, 2018

Henrique is a Python developer who specializes in web development and security. He's worked on web apps from top to bottom, designing, developing, and managing it all from the front- to the back-end. Having worked in different contexts—from large to small organizations to founding his own company—he's able to adapt to the requirements of the problem at hand and identify the appropriate solution for each case.

Show More

Mohammad Zakaria

Freelance Fuzz Testing (Fuzzing) Developer
QatarToptal Member Since December 19, 2023

Mohammad is a seasoned cybersecurity professional who excels in translating cybersecurity into practical business language. He is well-versed in standards such as ISO 27001 and ISO 22301, GDPR, NIST cybersecurity framework, and cybersecurity risk management and compliance. Mohammad assists organizations in developing cybersecurity roadmaps and serves as an auditor and trainer with a successful track record across diverse regions.

Show More

Thierno Ibrahima Diop

Freelance Fuzz Testing (Fuzzing) Developer
SenegalToptal Member Since April 25, 2022

Thierno is a lead data scientist and is passionate about natural language processing (NLP) and everything that revolves around machine learning (ML). He has been mentoring data scientist apprentices for three years. He previously did freelance work for three years in web and mobile application development. Thierno is co-founder of GalsenAI, an artificial intelligence (AI) community in Senegal, a Coursera instructor on data science, and a Google developer expert in ML.

Show More

Fabio Cicerchia

Freelance Fuzz Testing (Fuzzing) Developer
ItalyToptal Member Since October 29, 2021

Fabio is a passionate engineer and engineering manager with almost two decades of expertise in optimizing architecture and infrastructure (containers and VMs), as well as processes (pipelines and deployments). He mainly takes out all the waste in the development processes by simply doing three things: automation, optimization, and continuous refactoring. Fabio brings value to the company by helping engineering teams deliver value faster with higher standards.

Show More

Discover More Fuzz Testing (Fuzzing) Developers in the Toptal Network

Start Hiring
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
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


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


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


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


How to Hire Fuzz Testing (Fuzzing) Developers Through Toptal


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.

Work With Hand-Selected Talent

Within days, we'll introduce you to the right Fuzz Testing (Fuzzing) developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Fuzz Testing (Fuzzing) developers different?

    At Toptal, we thoroughly screen our Fuzz Testing (Fuzzing) 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 Fuzz Testing (Fuzzing) developers in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with a Fuzz Testing (Fuzzing) developer within 48 hours of signing up.

  • What is the no-risk trial period for Toptal Fuzz Testing (Fuzzing) developers?

    We make sure that each engagement between you and your Fuzz Testing (Fuzzing) 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 Fuzz Testing (Fuzzing) Developers Are in High Demand.

Start Hiring