
Hire the Top 3% of IT Consultants in 48 Hours
Hire vetted IT consultants on demand. Leading companies choose information technology freelancers from Toptal for their most important development projects.
Toptal's work was a crucial milestone that enabled us to scale our engineering teams and systems in step with our rapid growth.
Mark Marcantano, Calm
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Featured Talent

Karla Brkić, Ph.D.
IT Consultant
Karla is a bilingual professional with a PhD in Artificial Intelligence and 10+ years of experience in developing outstanding computer vision, machine learning, and AI technologies as a dedicated research scientist. As a motivational leader, she thrives in building research agendas and managing complex projects to provide world-class products, systems, and platforms. She also forges lasting relationships and uses out-of-the-box thinking to drive cutting-edge research efforts.

Changchun Xu
IT Consultant
Changchun is a cloud architect with over 17 years of experience in technical development, consulting, and project delivery in the IoT and telecom fields. Working with multiple clients across various projects enabled him to apply and expand his skills and expertise in infrastructure-as-code and cloud innovation, migration, and optimization, also facilitating training in these domains. Changchun always seeks to meet organizations' goals and leverage the value of their products and services.

Andrea Bisiach
IT Consultant
Andrea is a passionate technologist with over 30 years of experience focused on delivering top customer satisfaction. He enjoys building creative solutions, driving innovation, and solving complex problems while keeping business needs on the radar. Andrea likes challenges and always follows through with every task, driven by a high work ethic. Strongly analytically skilled with extensive horizontal knowledge, he quickly digs into details. Andrea is proactive, speaks up, always asks, and learns.

Dan Cook
IT Consultant
Dan is a hands-on, full-stack software engineer, cloud systems architect, and technical leader with 20 years of experience. He specializes in Azure, .NET, and React, and development of highly scalable, globally distributed, secure, and resilient software systems targeting the cloud. Dan delivers groundbreaking software; builds stellar software teams; and instills a high-performing engineering culture, using Agile and Lean techniques, DevOps, SOLID principles, and extreme programming practices.

Shawn Rucker
IT Consultant
Over the past 25+ years, Shawn has worked on and managed some fantastic teams building software that some thought was impossible to build! He loves working with smart, dedicated people who both give and take advice to better the project as a whole. Shawn is a dedicated developer and architect that does whatever it takes to get a project finished to the best of the team's ability!

Art Vancil
IT Consultant
Art has 25 years of data architecture and cloud-computing consulting experience—mostly in building enterprise data warehouses. Art is an end-to-end solution architect and chief problem solver with a long history of focused execution—according to a statement of work—and successful delivery in a team setting.

Joslyn Lim
IT Consultant
Joslyn is a seasoned data practitioner with demonstrated experience across multiple industries, including technology consulting and customer service. With her academic background in applied statistics and a skillset in machine learning, data analytics, Python, and SQL, Joslyn has delivered numerous projects with positive business impacts on customers.

Eduardo Schuelter
IT Consultant
With 20 years of hands-on experience in software development and integration, Eduardo has taken on roles ranging from software solutions architect to technical project and account manager. He has 15+ certifications, mainly in Microsoft technologies (Azure), as well as Java and SQL. Eduardo is a seasoned software engineer with a deep knowledge of the main cloud providers' capabilities, implementing system integrations using REST APIs and creating solutions while keeping the big picture in mind.

Ruslan Sharifullin
IT Consultant
Ruslan is a self-taught software engineer with six years of experience building complex applications for different platforms. He specializes in Java, Kotlin, and Go languages and excels at team and tech leading, including interviewing, mentoring, and planning. Ruslan is interested in high-load distributed systems development.

Nickolay Platonov
IT Consultant
Nickolay is a software enthusiast with over 10 years of experience in all web development areas. He is also the author of several open-source projects. He can build a stunning front-end UI, design the back-end API, or even administrate a production Linux server. Nickolay has a solid mathematical background, having completed his master's degree with honors, and is eager to apply his knowledge and skills to help teams deliver outstanding projects.

Timothy Roe, Jr.
IT Consultant
Tim is an enterprise IT consultant and full-stack software developer who's worked with local businesses and nonprofits since becoming a freelancer in 2012. An independent thinking and goal-oriented person, working to achieve the business goals of his customers and employer beyond their expectations. Tim enjoys working with his clients, helping them achieve their businesses' goals, and using new high-end technologies to push their applications forward.

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Our Developer Screening Process
26.4%Pass Rate
Excellent technical communication
7.4%Pass Rate
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3.6%Pass Rate
Proactive problem-solving
3.2%Pass Rate
End-to-End project execution
3%Pass Rate
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Why Organizations Choose Toptal®

Toptal gave us access to the best designers out there, saving us a lot of time and allowing us to build the best possible product.
Thierry JakircevicGeneral Manager, Digital Solutions, Bridgestone

Toptal’s talent is really excellent. They are able to work through large business problems and code incredibly efficiently.
Emily LemonSenior Director, Cleveland Cavaliers

The kind of people we looked for were hard to find. Toptal helped us achieve our goals by bringing high quality resources to bear on very short notice.
Elmar PlatzerDigital Transformation Leader, CSR

If you’ve tried working with other vendors, Toptal is going to be a different type of company to work with; they’re going to meet you where your needs are.
Matthew SchumacherSenior Product Manager, Alpha - Precision Drilling
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