Hire Freelance Biometrics Developers and Engineers
Peter Vojtek
Peter is a web and mobile app developer with over ten years of experience in the field. Currently, Peter's focus is on freelancing in Ruby on Rails and React. Peter shows initiative and leadership in his work, once leading a team that developed a biometric and identity management solution with Ruby on Rails. Peter is contributing to open source projects such as Apache Cordova and OpenStreetMap.org.
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Rafael Henrique Tibães
Rafael is a talented data scientist with expertise in credit analysis, insurance, and pricing. He has deployed AI models with real business and community impact. He developed algorithms for fingerprint matching under robust image scale variance caused by the individual aging, as part of the solution to help find missing children. A computer vision engineer with industry experience in biometrics, Rafael has solved complex face and fingerprint detection challenges, improving security and profits.
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Ken Lange
Ken is a full-stack developer specializing in C#.NET. He has worked professionally as a freelance developer for over 12 years for some companies in Southeastern Connecticut. Proficient in several technologies, programming languages, and frameworks, Ken brings a comprehensive skill set and a great deal of experience in solving software problems.
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Sergey Antopolskiy
Sergey is an expert data scientist and machine learning engineer. He has solved data analytics, visualization, and modeling problems and developed architecture and pipelines for data-centered workflows. He automated manual production steps in drug manufacturing using ML models, which led to a throughput increase of 200%. Sergey has a scientific background with extensive industry experience and understands complex problems in-depth to create the most suitable approach to generate business value.
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Art Vancil
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.
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Ryan Bradley Lons
Ryan is a senior-level iOS and web developer passionate about creating amazing user interfaces and experiences. He's very comfortable working anywhere in the development stack and has 10+ years of doing it. He's well-spoken, very easy to communicate with, quick to respond, and excels at figuring out optimal solutions for any challenge you present. Ryan has an entrepreneurial drive and understands the challenges startups face.
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Stuart Jones
Stuart is a React Native developer with over a decade of experience building hybrid mobile applications for iOS and Android. He specializes in delivering apps across various industries at global organizations, scaleups, and startups while setting and achieving realistic deadlines. He launched a software development consultancy in 2018, advising and building mobile apps for companies such as Nando's and Perkbox. Stuart enjoys working on exciting React Native projects with international clients.
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Meinhard Ploner
Meinhard is a leader in data science and analytics with more than 15 years of experience. His strong background in statistics (a Ph.D.), ML, AI, and optimization allows him to see the overall picture and to design problem-specific algorithms, solutions, and visualizations. He's worked at Fortune 500 companies and startups and has also set up and led a team of data scientists. Meinhard joined Toptal to help customers in the creation of efficient and robust data-driven solutions.
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Ramon Celestino Ramos Marques
Ramon has built an industry-leading automated fingerprint system and other solutions that help thousands of people in security, education, transportation, and other domains. He is an adaptable software engineer with 10+ years of experience. As a tech lover, Ramon constantly seeks opportunities to achieve better results by learning and applying the newest concepts. He is passionate about facing new challenges, solving problems, and positively impacting the environment and people's lives.
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Salman Ahmed
Salman is a senior deep learning engineer with over half a decade of experience designing and implementing ML/DL pipelines. Salman has worked with top Fortune companies, like Google, CVS Health, Toyota, and Cisco, over the last couple of years. Salman has won three international grand challenges sponsored by AWS and published multiple research papers in top journals and conferences.
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Shaun Brown
Shaun is a data and software professional with more than five years of experience in software engineering, data analytics, statistics, and implementation. He is eager to keep learning new skills and adding tools to his metaphorical tool belt. Shaun's ability to integrate into any work environment and quickly adapt to any tech or data stack makes him an immediate asset to any team.
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