Toptal is a marketplace for top system security developers, engineers, programmers, coders, architects, and consultants. Top companies and start-ups choose Toptal system security freelancers for their mission critical software projects.
Hire a Top System Security Developer NowWe've been blown away by the level of talent we've been able to hire through Toptal.
Matija Krajnik
System Security Developer
Matija is a software tester, eager to learn more about testing techniques and technologies. He is especially interested in security testing.
Austin Story
System Security Developer
Austin is a top developer with experience in successful entrepreneurial endeavors and development operations. He excels with Ruby on Rails and JavaScript, a...nd is also strong with a wide range of other technologies. He is an efficient and motivated developer.
Rogelio Nicolas Mengual
System Security Developer
Rogelio is a versatile, positive, and self-motivated full-stack engineer with over twelve years of work experience in many programming languages, frameworks..., and platforms. He enjoys taking on new challenges and constantly strives to learn new skills.
Gergely Kalman
System Security Developer
Gergely is a versatile CTO with a wide variety of experience in a lot of different technologies. He is able to design systems from the ground up and carry t...hem through their lifecycle. Having managed his own tech team, he does not shy away from managing others or advising business decisions.
Zoran Žunko
System Security Developer
Zoran is a veteran software engineer with over 10 years of professional experience. He has worked in various roles in different environments, ranging from R...&D to business consultancy (BCM and PCI-DSS). He likes creating software and all of the related challenges. He is an amateur water polo player.
Karlo Smid
System Security Developer
Karlo is a senior test engineer with skills in test automation, team leadership, and documentation. As a software tester, he likes to break stuff that other...s think works. As a team leader, he has proven abilities allowing him to build teams from scratch and streamline the QA process to perfection.
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The de facto standard for web application security is the Open Web Application Security Project’s Top 10 Project. It lists the ten most prevalent security threats based on an extensive amount of data and community feedback and was updated in late 2017. In this article, Toptal Freelance Full-stack and System Security Developer Hrvoje Gazibara discusses the changes to the OWASP Top 10’s most recent revision by illustrating new vulnerabilities, and even some that were removed.
Log files may very well be one of the most underestimated and underutilized tools at a developer's disposal. Beyond their value for debugging, with a bit of creativity and forethought, logs files can be leveraged to serve as a valuable source of usage information and analytics. In this article, In this article, Toptal engineer Ilya Sanosyan provides a practical guide to maximizing the value we get from our logs.
Authentication is one of the most important parts of any web application. For decades, cookies and server-based authentication was the easiest solution. However, handling authentication in modern Mobile and Single Page Applications can be tricky and demand a better approach. One of the best known solutions to authentication problems for APIs is the JSON Web Token (JWT).
Top System Security Developers are in high demand.
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