Hire the Top 3% of Freelance Kali Linux Developers

Toptal is a marketplace for dedicated Kali Linux developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal Kali Linux freelancers for their mission-critical development projects.

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Kali Linux Developers and Engineers

Gaya Dissanayake

Freelance Kali Linux Developer
EstoniaToptal Member Since April 22, 2021

Gaya is a cybersecurity expert who loves finding cracks in company security and creating powerful solutions to fill them. With numerous global CTF (capture the flag) competitions under her belt, Gaya excels in vulnerability management, cloud security, incident response, security awareness, and security risk management (PCI/DSS, ISO 27001, CMMC). Gaya is well versed with Qualys, Rapid7, Nessus, Splunk, Carbon Black, SentinelOne, Azure Sentinel, Azure cloud tools, and those in Kali Linux.

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Khalid Abdulmejid

Freelance Kali Linux Developer
TurkeyToptal Member Since November 4, 2022

Khalid is an application security specialist with two years of experience in penetration testing, with an additional background as a threat-intelligence analyst. His expertise encompasses penetration testing web applications, APIs and AWS. Khalid uses his background in open-source intelligence to aid in penetration testing engagements. He dedicates his extra time to self-improvement and aids his community with his experiences working toward an offensive security web expert (OSWE) certification.

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Jeff Knutson

Freelance Kali Linux Developer
United StatesToptal Member Since April 12, 2014

Jeff is a full-stack developer and entrepreneur with 25+ years of experience working with Fortune 100 companies, such as 3M, Best Buy, Target, Thomson Reuters, and medium/small businesses. He's led development teams and also acted as a strong individual contributor. Most of his experience has been in the Microsoft technology space, but in recent years, Jeff has primarily worked on React and Angular to sharpen his front-end skills.

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Simon Stratton

Freelance Kali Linux Developer
United KingdomToptal Member Since May 21, 2019

Simon has been a technical tester for over 18 years. He started at IBM, moved to EADS, then Fujitsu, and now runs his own company providing specialist IT training, and hands-on consultancy. He has created test automation frameworks in Java, JavaScript, TypeScript, and .NET. Simon has also built applications using TDD (Test Driven Development), and BDD (Behavior Driven Development) techniques.

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Peter Zaki

Freelance Kali Linux Developer
NetherlandsToptal Member Since December 12, 2022

Peter is a security professional with 10 years of experience helping major multinational companies secure their infrastructures and customers. He is an experienced security engineer and consultant. Peter designs secure systems and applications, advising on security practices targeting web, cloud applications, and APIs. He works on secure application development, cloud-native security, and DevSecOps. Peter is a certified CISSP, OSCP, and AWS Solutions Architect – Associate.

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Michal Lewandowski

Freelance Kali Linux Developer
PolandToptal Member Since December 26, 2023

Michal is a highly skilled cybersecurity professional specializing in implementing ISO 27001 and Trusted Information Security Assessment Exchange (TISAX) standards. He's an expert in crafting security strategies, conducting comprehensive risk assessments, and developing advanced cybersecurity solutions. Michal is focused on continual professional development and remaining at the forefront of cybersecurity innovation, offering invaluable expertise in a dynamic technological landscape.

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Claudio Nazzari

Freelance Kali Linux Developer
BrazilToptal Member Since April 10, 2023

Claudio has over 20 years of software development experience and a cybersecurity degree. He has handled back-end, front-end, and full-stack development, DevSecOps, application security, penetration testing, and solutions architecture. With his combined expertise, Claudio focuses on helping companies by developing and architecting secure and resilient web and mobile applications.

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Liubov Mietielieva

Freelance Kali Linux Developer
LuxembourgToptal Member Since September 2, 2019

Liubov is a back-end developer with a strong information security background specializing in Grails and Spring-based applications with experience in front-end, data science, and mobile applications. Liubov delivers clean, maintainable, and well-tested code.

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Alessio Viticchié

Freelance Kali Linux Developer
ItalyToptal Member Since November 14, 2022

Alessio has been a Computer Engineer and ICT professional for 10+ years. He enjoys working on complex projects and managing advanced systems in programming and development. Alessio has worked in many different fields of ICT, from banks, industry, academia, and startups.

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Andrea Villa

Freelance Kali Linux Developer
United StatesToptal Member Since October 7, 2017

Andrea loves challenges and enjoys learning new concepts. He has more than 20 years of experience in the IT field and has become an accomplished expert in various skills, including DevOps, offensive security, development, startups, and cryptocurrencies.

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Gaurang Singh

Freelance Kali Linux Developer
United StatesToptal Member Since September 16, 2022

Gaurang is a front-end developer with three years of experience at Oracle Corporation and the Defence Research and Development Organisation (DRDO), possessing practical problem-solving skills. He enjoys a new challenge and has experienced teams of all sizes. Gaurang is a strategic planner who values integrity, humility, and teamwork.

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Discover More Kali Linux Developers in the Toptal Network

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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
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 Kali Linux 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 Kali Linux developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Kali Linux developers different?

    At Toptal, we thoroughly screen our Kali Linux 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 Kali Linux developers in less than 48 hours through Toptal?

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

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

    We make sure that each engagement between you and your Kali Linux 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 Kali Linux Developers Are in High Demand.

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