Hire the Top 3% of Freelance Dynamic Application Security Testers

Toptal is a marketplace for dedicated Dynamic Application Security Testers (DAST). Top companies and startups choose DAST freelancers for their mission-critical development projects.

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Dynamic Application Security Testers

Krishna Prasad

Freelance Dynamic Application Security Tester
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.

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Aleksandr Krasnov

Freelance Dynamic Application Security Tester
CanadaToptal Member Since February 22, 2024

Aleksandr is an IT security specialist specializing in implementing automated security by integrating custom and enterprise tools into CI/CD pipelines and setting up security operation centers (SOC). He is also keen on creating and managing the Bug Bounty Program to have a flow of new vulnerability reports for security engineers. Aleksandr ran a startup for over a year and is eager to help resolve new security challenges in business settings.

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Blessed Uyo

Freelance Dynamic Application Security Tester
PortugalToptal Member Since April 6, 2022

Blessed is a senior information security analyst and engineer with a decade of experience aligning enterprise security architecture, policies, and processes with security standards and frameworks to meet business goals. He specializes in designing and implementing security solutions for enterprise-grade cyber defense teams and conducting penetration testing. Blessed has also been in red/blue teams, implemented ISO 27001 ISMS, and operated as a security lead in a DevSecOps environment.

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Mukesh Bhakar

Freelance Dynamic Application Security Tester
IndiaToptal Member Since November 12, 2021

Mukesh is a professional with over 14 years of experience in cybersecurity. He has expertise in designing and implementing security solutions across multi-cloud platforms like AWS, Azure, and GCP. His background includes DevSecOps, GRC, security operations, cloud security assessment, endpoint security, and data security. Mukesh has worked in various roles, including individual contributor and leadership positions. He was selected as an AWS Community Builder.

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Vasant Kumar

Freelance Dynamic Application Security Tester
AustraliaToptal Member Since December 13, 2022

Vasant has been practicing cyber security professionally for around 12 years. He has been primarily working on designing, building, and maintaining strategy and security structures for cloud infrastructure and container orchestration platforms. Securing CI/CD pipelines, security automation, and applications based on microservices architecture by closely working with developers and DevOps is a focus of Vasant’s. He enjoys bridging the gap between teams in organizations.

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Arun Pillai

Freelance Dynamic Application Security Tester
United Arab EmiratesToptal Member Since December 1, 2022

Arun is a senior DevSecOps architect with 12 years of experience and a master's degree in IT. He has worked with government departments, banks, telecoms, healthcare companies, and small to medium-scale enterprises worldwide. Arun also has solid expertise in IT security consulting, focusing on DevSecOps, risk assessment, threat and vulnerability management, vulnerability assessment penetration testing, secure code review, security architecture review, and cloud security and migrations.

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Subbu Somasundaram

Freelance Dynamic Application Security Tester
CanadaToptal Member Since December 12, 2022

Subbu is a subject matter expert in information security and has over 20 years of information technology experience. He has assisted large enterprise customers in the banking, telecommunication, and eCommerce sectors with security transformation, DevSecOps, security architecture, and implementations. Subbu's security expertise includes AWS, GCP Cloud, IAM, enterprise security, data protection, and application security and compliance.

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Martin Redmond

Freelance Dynamic Application Security Tester
United StatesToptal Member Since January 16, 2023

Martin is a cross-functional executive with expertise in risk management and process improvement, data privacy laws, cyber security products, security program leadership, IT Ops, cloud computing and migration, digital transformation, product, service, innovation management, mobility, big data analytics, DevSecOps, ITILv4, SOC, fraud, APT, forensic, malware, IIoT, CoT and contract and vendor negotiations. Martin has also experience in achieving compliance with multiple risk management frameworks.

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Joe Bagdon

Freelance Dynamic Application Security Tester
United StatesToptal Member Since April 4, 2022

Joe is a seasoned security and infrastructure engineering professional with experience performing application and network assessments, writing and enforcing policies, providing defense for an enterprise environment, and administrating infrastructures. He has in-depth knowledge of information security, information technology, and information warfare. Joe is a competent Python programmer, adding automation and integration that reduces workloads.

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Asif Salim

Freelance Dynamic Application Security Tester
AustraliaToptal Member Since January 5, 2023

Asif is a seasoned cybersecurity professional with more than 15 years of experience across a wide range of industries, including financial services, healthcare, energy, and consulting. He is an expert in security strategy and architecture, cloud security, identity and access management, and application security. Asif is a SABSA Certified Security Architect and holds numerous industry certifications, including CISSP, CRISC, AWS, and Azure cloud certifications.

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Miles Romello

Freelance Dynamic Application Security Tester
United StatesToptal Member Since February 29, 2024

Miles is a seasoned technology and security executive with a proven leadership and innovation track record across various industries. He specializes in governance risk and compliance, security operations, and incident response. With a relentless commitment to excellence and a passion for driving positive change, Miles continues to be a driving force in the technology industry, shaping the future of IT and cybersecurity with his proactive leadership and innovative solutions.

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Discover More Dynamic Application Security Testers 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 Dynamic Application Security Testers 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 Dynamic Application Security tester for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Dynamic Application Security testers different?

    At Toptal, we thoroughly screen our Dynamic Application Security testers 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 Dynamic Application Security testers in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with a Dynamic Application Security tester within 48 hours of signing up.

  • What is the no-risk trial period for Toptal Dynamic Application Security testers?

    We make sure that each engagement between you and your Dynamic Application Security tester 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 Dynamic Application Security Testers Are in High Demand.

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