Hire Freelance Firefox Extension Developers and Engineers
Roman Shevchenko
Roman is a full-stack developer and database designer with great attention to detail and team spirit. He takes the initiative to communicate ideas or architectural suggestions to maximize efficiency and minimize expense and effort, which is a win-win for everyone. Roman's areas of expertise include Node.js, TypeScript, .NET, Java (Kotlin), Go, PHP, Transact-SQL, MySQL, NoSQL, and interoperations between them, both on-prem and cloud deployment, design and implementation of APIs and protocols.
Show MoreVitaliy Meshchaninov
Vitaliy is an experienced web engineer who also excels in back-end development. He is an expert in cutting-edge technologies and frameworks in web development, and he enjoys taking on challenging and complex new projects.
Show MoreVu Quang Hoa
Hoa, nicknamed Joe, is a brilliant engineer capable of grasping new concepts very quickly. His most striking quality is the commitment he shows in whatever he does. He specializes in full-stack, highly scalable Python-Django applications. He has over 10 years of experience developing applications on the Django framework at many companies worldwide, one of them being the StoryTree company—one of the top 500 startups in the US.
Show MoreKentaro Rose
Kentaro is a developer who specializes in web development. He has helped develop and maintain sites for various companies including Kaiser Permanente, HPMG, IFAW, and more. He develops with quality and user in mind--that is, code quality and performance for the back-end and a great user experience on the front-end.
Show MoreHakob Poghosyan
Hakob is a full-stack web developer with over eight years of experience. He started out developing with C# but became consumed with JavaScript development and is currently working mainly with different JavaScript-based techs like React, Next.js, and Node.js. Hakob is also an expert in GraphQL and other Node.js-based back-end techniques. While he's experienced with and prefers JavaScript, he's also comfortable working with C#, Java, Python, SQL, and NoSQL DBs.
Show MoreJonatan Fekete
Johnny is a full-stack developer who specializes in building customer-facing web applications and business systems. He has more than a decade of experience in architecture design, PHP development, database engineering, and web-based front-end technologies. Johnny joined Toptal to find fresh companies with a growth mindset where original ideas are acknowledged and where he could contribute to the final product.
Show MoreVuk Djapic
Vuk has 15 years of experience as a developer, consultant, and system architect. Proficient in Java and JavaScript, he has worked on desktop and web applications, microservices, SQL and NoSQL data management solutions, AWS services and deployments, and many more related tools. Vuk always tries to align code, development procedures, and architecture with technology standards and best practices.
Show MoreHenrique Barbosa Coura
With over eight years in the industry, Henrique is a developer who has taken on full-stack, back-end, and leadership roles. He has extensive experience with Go, Python, the HTML stack, networking, Docker, Kubernetes, and more. A big part of Henrique's career has revolved around the web scraping business and all its techniques, such as mimicking human behavior, proxies, and data extraction. Recently he worked on distributed systems and a browser farm orchestration software on top of Kubernetes.
Show MoreUsman Sadiq
Usman has over ten years of experience developing applications on the PHP platform—including having been part of the development team at Booxmedia—where he polished up his expertise by working along with very senior and experienced talent. He communicates well and gets along famously with teams. Usman also develops applications using popular frameworks, including Laravel and CodeIgniter.
Show MoreMinica Ionut Cristian
Cristian is a full-stack web developer with several years of experience building beautiful, performant mobile and web applications that meet or exceed industry standards. His enthusiasm for tech has led him to create several side projects in various areas, including machine learning. Cristian is also innately curious and willing to ask hard questions, quickly making him an asset to any project.
Show MoreRowin Kaleb Hernández Fagúndez
Rowin is a skilled web developer specializing in reactive frameworks. He is a results-oriented professional who enjoys coaching and supporting people to achieve product goals and delivering top-quality user experiences. Rowin thrives on supportive teams and engaging in exciting challenges.
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