Hire the Best System Security Developers Near Boston.

Toptal is a marketplace for top remote system security developers. Top companies and start-ups in Boston choose Toptal System Security freelancers for their mission-critical initiatives.

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View Luke

Luke Sapan

Freelance System Security Developer

Luke is an efficient and passionate software engineer with more than 14 years of programming experience. He has excelled in leadership positions but is also great with solo projects. Luke loves full-stack web development and his recent projects exemplify this in the field of administration. Luke is currently working in a senior engineering and systems administration position.

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System SecurityPythonREST APIsJavaScriptSQLObjective-CCSSDjangoAnsibleiOS SDKAndroid SDKSeleniumDocker
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Andy Potanin

Freelance System Security Developer

Andy is a businessman who understands the fundamentals of business and who knows how to code. Overall, he's very experienced in nearly all aspects of contemporary web development, deployment, DevOps, and the elements of building a solid stack that can scale. Early on in his career, he was a very early adopter of Docker and Node.js and has a strong development background with the WordPress API.

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System SecurityJavaScriptExpress.jsNode.jsWordPress APIjQueryjQuery PluginsGoogle Cloud APIGitHub APIGoogle Geocoding APIAmazon CloudFront CDNWP-CLINPM
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Dave Poirier

Freelance System Security Developer

Since 2010, Dave has been working full-time as an iOS developer in Objective-C and Swift. He also has 20 years of experience in software development specializing in Assembly (Intel) and C. Throughout the years, he's had the opportunity to work on many software development projects in a myriad of software languages.

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System SecurityObjective-CCPHP 7CocoaiOS SDKGitGitLabGitHubiOSLinuxDatabasesMySQL
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Kyle Kotowick, Ph.D.

Freelance System Security Developer

Dr. Kotowick is a leader in product design and solution architecture, having completed his Ph.D. in MIT's Computer Science and Artificial Intelligence Laboratory and having served as a consultant for global firms, startups, and universities. He specializes in working with enterprise clients to define requirements and explore possible solutions, as well as in leading the development of project architecture, cloud services, and back-end software.

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System SecurityPHPPythonSQLMATLABArduinoRaspberry PiMySQLInternet of Things (IoT)Amazon Web Services (AWS)Back-end DevelopmentNode.jsFull-stack
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Daniel Yinanc

Freelance System Security Developer

Daniel is a secure cloud and software development professional who takes real pride and joy in his work. Spending the last two decades in secure software development from hybrid native to the back-end, data science to DevSecOps and cybersecurity to the cloud, his rare combination of well-rounded expertise is his industry known ace in the deck. Customer satisfaction is his core value, and he can't wait to discuss your project needs.

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System SecurityJava
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Stephen Doxsee

Freelance System Security Developer

Stephen has over 15 years of software engineering experience across organizational sizes and sectors. He's a SpringOne Platform speaker and open source contributor to the JHipster, Spring Security, and Spring Boot projects. Besides Java/Spring, Google Kubernetes Engine (GKE), and React/Angular expertise, he specializes in identity and access management (IAM) with OAuth2/OIDC and its place in best-practice architecture.

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System SecurityJavaSpringSpring Security
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Nikolay Derkach

Freelance System Security Developer

Nikolay is a product-focused iOS expert with a background in security. He has worked extensively on building iOS apps, helping clients with product strategy, and advising on UX design. His passion is to work with startups to help them bring the first iteration of their product to market.

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System SecurityPythonObjective-CXcodeGitLinuxHerokuMongoDBCocoaCocoaPodsiOS SDKiOSMobile
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Stefan Kaczmarek

Freelance System Security Developer

Stefan is a software engineer with over 20 years of experience specializing in mobile applications, large-scale software systems, network protocols, encryption algorithms, and audio/video codecs. He has been developing native iOS apps since 2008, and has published a number of books related to iOS development in both Objective-C and Swift.

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System SecurityObjective-CScrumXcodeAgileiOSSwift
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João Lucas Gomes de Miranda

Freelance System Security Developer

João is a skilled back-end engineer with experience in developing and maintaining systems that are used by hundreds of millions of people. He has previously worked with languages such as C++, Java, JavaScript, Python, Go, and more. He has strong algorithm skills and has demonstrated an ability for learning and excelling at new technologies as needed.

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System SecurityC++PostgreSQLAlgorithmsLinux
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Paulo Augusto Dacach Bichara

Freelance System Security Developer

Paulo is a full-stack engineer with 15 years of experience developing in Java and Linux environments, along with solid skills in web application security and several JavaScript frameworks. Freelancing for international companies for the past few years, Paulo is a team player who's always looking for challenging and innovative projects to test his skills and keep evolving as a professional.

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System SecurityJavaSpring BootSpringSpring SecurityGitApache MavenAgile Software DevelopmentLinuxDockerNeo4jAWS S3GitLab

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Testimonials

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 start up, they are our secret weapon.

Brantley Pace, CEO & Co-Founder

Tripcents

In addition to sharp technical skills, Faruk had a great attitude and is a really exceptional communicator. He always let us know where he was with his work, thoroughly and reliably. That's not always the case, and it made working remotely considerably easier. He was an easy integration into the team.

Leif Abraham, Co-Founder

AND CO Ventures Inc

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, Director

K Dunn & Associates

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, CEO

Radeeus

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, Co-Founder

ProHatch

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 , Principal

Site Specific Software Solutions

We used Toptal to hire a developer with extensive Amazon Web Services experience. We interviewed four candidates, one of which turned out to be a great fit for our requirements. The process was quick and effective.

Abner Guzmán Rivera, CTO and Chief Scientist

Photo Kharma

Sergio was an awesome developer to work with. Top notch, responsive, and got the work done efficiently.

Dennis Baldwin, Chief Technologist and Co-Founder

PriceBlink

Working with Marcin is a joy. He is competent, professional, flexible, and extremely quick to understand what is required and how to implement it.

André Fischer, CTO

POSTIFY

We needed a expert engineer who could start on our project immediately. Simanas exceeded our expectations with his work. Not having to interview and chase down an expert developer was an excellent time-saver and made everyone feel more comfortable with our choice to switch platforms to utilize a more robust language. Toptal made the process easy and convenient. Toptal is now the first place we look for expert-level help.

Derek Minor, Senior VP of Web Development

Networld Media Group

Toptal's developers and architects have been both very professional and easy to work with. The solution they produced was fairly priced and top quality, reducing our time to launch. Thanks again, Toptal.

Jeremy Wessels, CEO

Kognosi

We had a great experience with Toptal. They paired us with the perfect developer for our application and made the process very easy. It was also easy to extend beyond the initial time frame, and we were able to keep the same contractor throughout our project. We definitely recommend Toptal for finding high quality talent quickly and seamlessly.

Ryan Morrissey, CTO

Applied Business Technologies, LLC

I'm incredibly impressed with Toptal. Our developer communicates with me every day, and is a very powerful coder. He's a true professional and his work is just excellent. 5 stars for Toptal.

Pietro Casoar, CEO

Ronin Play Pty Ltd

Working with Toptal has been a great experience. Prior to using them, I had spent quite some time interviewing other freelancers and wasn't finding what I needed. After engaging with Toptal, they matched me up with the perfect developer in a matter of days. The developer I'm working with not only delivers quality code, but he also makes suggestions on things that I hadn't thought of. It's clear to me that Amaury knows what he is doing. Highly recommended!

George Cheng, CEO

Bulavard, Inc.

As a Toptal qualified front-end developer, I also run my own consulting practice. When clients come to me for help filling key roles on their team, Toptal is the only place I feel comfortable recommending. Toptal's entire candidate pool is the best of the best. Toptal is the best value for money I've found in nearly half a decade of professional online work.

Ethan Brooks, CTO

Langlotz Patent & Trademark Works, Inc.

In Higgle's early days, we needed the best-in-class developers, at affordable rates, in a timely fashion. Toptal delivered!

Lara Aldag, CEO

Higgle

Toptal makes finding a candidate extremely easy and gives you peace-of-mind that they have the skills to deliver. I would definitely recommend their services to anyone looking for highly-skilled developers.

Michael Gluckman, Data Manager

Mxit

Toptal’s ability to rapidly match our project with the best developers was just superb. The developers have become part of our team, and I’m amazed at the level of professional commitment each of them has demonstrated. For those looking to work remotely with the best engineers, look no further than Toptal.

Laurent Alis, Founder

Livepress

Toptal makes finding qualified engineers a breeze. We needed an experienced ASP.NET MVC architect to guide the development of our start-up app, and Toptal had three great candidates for us in less than a week. After making our selection, the engineer was online immediately and hit the ground running. It was so much faster and easier than having to discover and vet candidates ourselves.

Jeff Kelly, Co-Founder

Concerted Solutions

We needed some short-term work in Scala, and Toptal found us a great developer within 24 hours. This simply would not have been possible via any other platform.

Franco Arda, Co-Founder

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Hire System Security Developers Seamlessly with Toptal

1

Talk to One of Our Industry Experts

A Toptal director of engineering will work 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.

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 in under 2 weeks 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.

Featured Toptal System Security Publications

Brian Wojtczak
EngineeringBack-end

Keep It Encrypted, Keep It Safe: Working with ESNI, DoH, and DoT

by Brian Wojtczak
Brian Wojtczak
EngineeringBack-end

Performance and Efficiency: Working with HTTP/3

by Brian Wojtczak
Hrvoje Gazibara
EngineeringBack-end

Changelog: The OWASP Top 10 Project

by Hrvoje Gazibara
View More System Security Articles

Top System Security Developers are in High Demand.

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