Hire Freelance UI Testing Developers and Engineers
Ana Colak
Ana has worked as a QA engineer for more than ten years. During that period, she contributed as a solo player and as part of various QA teams on complex functional testing and multiple applications. She gathers a deep understanding of user experience and what matters most to users with excellent attention to detail and the ability to multitask and meet deadlines. Ana enjoys mentoring other QA engineers as a way of transferring knowledge and experience.
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Sebastian Koszuta
Sebastian is a motivated and creative problem solver with excellent communication skills and comprehensive experience. He's devoted to building UIs that exceed expectations and provide an outstanding user experience. It's his pleasure to write code that is reusable, scalable, and easy to maintain, and he eagerly contributes to business analysis with his knowledge and ideas. When working with Sebastian, expect kindness, enthusiasm, and professionalism.
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Christina Lin
Christina is a senior QA engineer with expertise in test automation, test management, and manual testing for web and mobile applications. She has created test automation frameworks from the ground up using Selenium WebDriver in several projects as well as automating API testing using REST-assured and Postman. With experience in both private and public sectors, Christina has worked with large, medium-size, and small startup companies.
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Ahmet Gülden
Ahmet is a mobile developer with over a decade of experience, and for the past several years, his focus has been on iOS app development. He's worked in teams and as a solo developer to deliver banking apps for large private banks (Isbank, Arab National Bank) and ticketing apps for the top two airlines based in Turkey. Ahmet also has experience leading development teams of up to 13 people, and he values good application design that provides scalability and maintainability.
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Manoela Georgieva
Manoela has 5+ years of experience in quality assurance, including writing automation tests using Java and Selenium for web testing and REST Assured for API. She also has experience using Git, Jenkins, Jira, TestRail, and JUnit. She worked in large teams of over ten QAs and was the only tester in a team with four developers. Being detail-oriented, Manoela enjoys analyzing requirements to find the best testing strategy to meet and exceed clients' expectations.
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Manuel Vidonis
Manuel is a senior software developer specializing in .NET projects—both back- and front-end—and software QA. He is proficient in both .NET Core and .NET Framework environments (ASP.NET, EF.NET, EF.Core, and .NET 6) and common front-end technologies (jQuery, JavaScript, and Blazor). His career includes C++ and C# projects and extensive exposure to Microsoft Azure and related technologies. Manuel is passionate about QA automation testing, applying his expertise to client project/business success.
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Riccardo Odone
Riccardo consulted as the most senior full-stack engineer at (one of) the oldest Ruby on Rails companies in the world, Lunar Logic. He thrives with ambitious goals, autonomy to execute, and small product-minded teams. Riccardo led the gang that created and sold Hypoguide.ch for a life-changing amount of money, coordinated the squad that modernized Aircasting.org to increase web traffic by two times and 1.5x native app installs, and helped OrderNova go from a failed launch to recurring revenue.
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Birkan Alp Yaman
Birkan has been working on B2B and B2C projects such as eCommerce and ERP as a full-stack developer for more than five years. He had the opportunity to work with small and big teams. He's confident and loves to learn and use new technologies.
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Mark DiFranco
Mark has over 13 years of experience developing apps for iOS devices. He has worked with many different iOS frameworks and is a very quick learner. Mark has a passion for user experience and enjoys designing user interfaces that are a delight to use. He has worked on many small, medium, and large-sized teams.
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Dino Bikic
Dino is a product-driven software engineer with experience in the development process of robust and modern Android and back-end apps. He has worked with various businesses, from startups to large international corporations and remote companies. Dino focuses on creating a clean, testable, and efficient code that maximizes business value.
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Tamas Balogh
Tamas has more than a decade of experience building Android applications. He had been involved in 30+ Android projects including the talent industry, fintech, insurance, telecommunications, human relations, and the vehicle industry. Tamás is passionate about Android development and also being a part of the developer community, giving presentations at conferences and meetups, and writing articles featured in Android Weekly.
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