Hire System Security Developers

Hire the Top 3% of Freelance System Security Developers

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

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Clients rate Toptal system security developers 4.9 / 5.0 on average based on 4,309 reviews.
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Hire Freelance System Security Developers

Scott Wedekind

Freelance System Security Developer
Verified Expert in Engineering
UTC-07:00
United States
Toptal Member Since January 4, 2023

Scott is an IT network and security professional experienced in client-facing consulting and security services. Specialized in network security architecture and implementation, including security strategy, LAN and WAN design, firewall, endpoint security, and network management, he is known for his ability to translate complex information for non-technical audiences. Scott is a dedicated leader who uses business-driven security practices to maximize business effectiveness and minimize risk.

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Joshua Neuman

Freelance System Security Developer
Verified Expert in Engineering
UTC-06:00
United States
Toptal Member Since November 23, 2022

Joshua is a seasoned cybersecurity professional with deep experience and knowledge in governance, risk, compliance (GRC), auditing, vulnerability management, network security, and network engineering. He has consulted for both the US government and the private sector. Joshua's previous roles include lead network defense security engineer, product owner and stakeholder, voice over IP (VOIP) engineer, and information assurance lead.

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Sonali Johri

Freelance System Security Developer
Verified Expert in Engineering
UTC-05:00
United States
Toptal Member Since September 13, 2023

With five years of experience in cybersecurity, Sonali specializes in managing large projects, Cisco devices, network security, and cyber monitoring. Her skills span server architecture, vulnerability testing, regulatory compliance, VPNs, and firewalls. She excels in interdisciplinary teamwork, thrives in high-pressure settings, and has strong problem-solving acumen. Sonali's dedication to cyber monitoring and innovative security solutions positions her to drive impactful contributions.

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Chigozie Ejeofobiri

Freelance System Security Developer
Verified Expert in Engineering
UTC+00:00
United Kingdom
Toptal Member Since November 18, 2022

Chigozie is a network security consultant with over 12 years of experience working with organizations to use technology to support and drive business goals. He has extensive knowledge of network perimeter security, defense-in-depth architectures, zero-trust designs, security operations, system security risk analysis and assessment, and project management. Chigozie is also highly experienced in perimeter security implementation of on-premise and cloud firewalls.

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Kehinde Alabede

Freelance System Security Developer
Verified Expert in Engineering
UTC+00:00
United Kingdom
Toptal Member Since December 13, 2023

Kehinde is a skilled network security engineer with experience building secure connectivity solutions using various IT technologies in hybrid and complex environments. Adept at scripting, automation, and designing and implementing firewalls and cybersecurity solutions, he delivers efficient data movement and automated network workflows. With analytical and problem-solving skills, Kehinde successfully solves network problems with minimal downtime to production.

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Asif Khan

Freelance System Security Developer
Verified Expert in Engineering
UTC+03:00
Saudi Arabia
Toptal Member Since October 10, 2022

Asif is a senior network security engineer with almost a decade of experience in the network security domain. He has managed multiple security projects and specialized in firewalls, including Palo Alto Networks, Panorama, Fortinet, Cisco, and F5. Asif's various certifications show he is committed to mastering and maintaining the skills and knowledge in his field of expertise.

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Anuj Pratap

Freelance System Security Developer
Verified Expert in Engineering
UTC+05:00
India
Toptal Member Since March 30, 2023

Anuj is an accredited IT security professional with 14+ years of hands-on and academic experience. As a security operations center manager, he has gained extensive knowledge of network security implementation, deployment, configuration, and support. Anuj's areas of expertise are next-generation firewalls, load balancers, IPsec VPN, vulnerability assessment, network intrusion prevention systems (IPS/NIPS), cloud security solutions, solution documents, and high- and low-level designs.

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Jubaer Alnazi Jabin

Freelance System Security Developer
Verified Expert in Engineering
UTC+08:00
Singapore
Toptal Member Since July 18, 2022

Jubaer, an OSCP specialist, holds a reputable position in information and cloud security. With 5+ years of experience, he discovered the Apple vulnerability (CVE-2023-23526) and identified vulnerabilities in 300+ companies like Apple, Grab, Google, Yahoo, Facebook, and Uber. Jubaer excels in HackerOne, writes insightful articles, and creates Python and Go tools. His expertise spans security compliance (GRC) and Web3 technologies, making him invaluable in securing data and systems.

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Jihye Cho

Freelance System Security Developer
Verified Expert in Engineering
UTC+09:00
South Korea
Toptal Member Since June 15, 2021

Jihye is a seasoned QA engineer with hands-on experience in crypto wallets, B2B education platforms, and project management systems. She's also worked on UI automation using Cypress and Selenium in JavaScript, Python, and Java, API automation using Postman, and security tests. Armed with a strong sense of ownership and accountability, Jihye is a self-motivated individual who enjoys learning new things and always aims to find the best possible result.

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Saqib Rana

Freelance System Security Developer
Verified Expert in Engineering
UTC+12:00
New Zealand
Toptal Member Since April 12, 2023

Saqib is a results-driven professional with 10+ years of experience implementing IT network security solutions. He specializes in firewalls, load balancers, routing and switching, cloud or VPN solutions, web proxies, and automation. Saqib also manages multivendor devices, including Fortinet, Palo Alto, Check Point, FortiGate, Cisco—ASA, ISE, WSA, and Firepower Threat Defense or Management Center—Forcepoint, A10 Networks, Aruba, Splunk, FortiAnalyzer, and F5 BIG-IP web application firewalls.

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Kevin He

Freelance System Security Developer
Verified Expert in Engineering
UTC+12:00
New Zealand
Toptal Member Since April 7, 2023

Kevin is a senior network and security consultant with 18 years of experience in environments ranging from large global vendors and Telco to enterprise sectors like banks and government agencies. Skilled in a wide range of products such as Cisco, Juniper, Huawei, F5, Check Point, Palo Alto, and Fortinet. He has a proven track record of design, delivery, and BAU support for large-scale network and security projects. Kevin is Cisco CCIE, Check Point CCSE, and Fortinet NSE4 certified.

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

Our clients
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Testimonials

How to Hire System Security Developers Through Toptal

1

Talk to One of Our Client Advisors

A Toptal client advisor 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 system security developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

EXCEPTIONAL TALENT

How We Source the Top 3% of System Security Developers

Our name “Toptal” comes from Top Talent—meaning we constantly strive to find and work with the best from around the world. Our rigorous screening process identifies experts in their domains who have passion and drive.

Of the thousands of applications Toptal sees each month, typically fewer than 3% are accepted.

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FAQs

  • How quickly can you hire with Toptal?

    Typically, you can hire system security developers with Toptal in about 48 hours. For larger teams of talent or Managed Delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.

    Once you select your system security developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.

  • To hire the right system security developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect system security developers for your project.

  • At Toptal, we thoroughly screen our system security developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut.

    In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.

    When you hire system security developers with Toptal, you’ll always work with world-class, custom-matched system security developers ready to help you achieve your goals.

  • You can hire system security developers on an hourly, part-time, or full-time basis. Toptal can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire a system security developer for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our system security developers can fully integrate into your existing team for a seamless working experience.

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

Tap Into World-class Talent

  • Trusted Talent Only

    Trusted Talent Only

    Our talent are thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.

  • Precise Matching

    Precise Matching

    Our experienced talent matchers specialize in pairing you with the right fit. They work to understand exactly what you need and hand-select the best professionals for your project.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDAs, streamlining the hiring process so you can focus on innovation, not overhead.

  • No-risk Trial Period

    No-risk Trial Period

    We want to be sure your engagement is a total success, so we offer a no-risk trial period. Work with your new hire for up to two weeks and pay only if you’re satisfied.

  • Effortless Scaling

    Effortless Scaling

    Scale your team up or down as needed, with quick and efficient hiring in under 48 hours.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs—hourly, part-time, or full-time— and enjoy the flexibility to adjust as needed.

Top System Security Developers Are in High Demand.

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