Hire Freelance Enterprise Java Beans (EJB) Developers and Engineers
Chris Zhang
Chris is a senior back-end Java developer with almost ten years of experience building efficient, scalable back-end services for eCommerce sites and the healthcare industry. He is also a fast learner with a deep knowledge of Java, Spring Boot, RESTful APIs, and microservices architecture. Chris is also proficient at implementing secure authentication and authorization mechanisms, ensuring data integrity and protection, and leveraging his strong analytical and problem-solving skills.
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Yuri Chemolosov
Yuri is a senior solutions architect with 20 years of experience across media and marketing (Shutterstock), automotive and manufacturing (Ford), telco (Verizon), and finance and security. With expertise in embedded, desktop, and cloud platforms, many complex production systems around the world carry his design or code. Yuri builds and leads high-performing, cross-domain teams; speaks a dozen computer languages and five human languages; and has a master's degree in computer engineering.
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Muthuvel Periyasamy
Muthuvel is a realiable professional with 17+ years of experience in software development, solution and enterprise architecture, and team management. He has hands-on experience in Java, JEE, JSP, Servlet, EJB, Spring Boot, JavaScript, Node.js, Microservices, CI/CD, Jenkins, Docker, Kubernetes, AWS, Azure, Oracle, PL/SQL, and PostgreSQL. Muthuvel is also an AWS Certified Solutions Architect Associate and a Microsoft Certified Azure Solutions Architect Expert.
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Renan Tomazoni Pinzon
Renan is a skilled data engineer with a software engineering background and 15 years of experience. He has worked with Zenvia, PagoNxt, and Neogrid, leading the creation of a Payment Card Industry (PCI) compliance data platform and architecting new data solutions on AWS and Azure. Proficient in Scala, Java, Spark, Flink, Hadoop, Kafka, AWS, and Azure, Renan is a valuable asset in any organization.
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M. Tahsin Anwar
Tahsin has six years of experience in the back end, data-driven development using Jakarta EE, Node.js, and JavaScript, covering modern frameworks like Spring, Hibernate, Express, RDBMS, and NoSQL. He has a deep understanding of clean coding principles and best practices. He's also confident in making expected contributions to any software-related field and is vastly experienced in training other developers. Tahsin is also an eager learner and can adapt to any new technology quickly.
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Kaustav Chakraborty
Kaustav is a hands-on, goal-oriented, versatile technology professional with more than two decades of experience, primarily in open-source digital technologies, such as blockchain, IoT, microservices, cloud, distributed architecture, R&D, design, and development, with a proven track record delivering consistent business results. He loves to take on technical challenges, learn about new technology innovations, and deliver successful products worldwide.
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Sergei Sedov
Sergei has over seven years of experience in iOS app development (Objective-C and Swift) and more than a decade in J2EE. He also possesses a bachelor's degree in computer science and, in his career, has successfully led and communicated with QA and product teams. Sergei joined Toptal to find long-term iOS projects where he can develop products from scratch—building architecture that allows refactoring and unit testing.
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Rida Benhammane
Rida is a Java senior developer and architect with +15 years of experience developing enterprise Java apps. He holds several Java certifications (SCJP, SCWCD, SCBCD, SCJDWS, and OCMJEA), including the prestigious Oracle Certified Master Java Enterprise Architect. Rida also has +5 years of hands-on experience with AWS Cloud and holds the AWS developer, SysOps, and architect associate certifications. Finally, he has +10 years of experience with SPAs and Backbone.js, AngularJS, Angular, and React.
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Lasha Kharshiladze
Lasha is a software engineer with three years of experience building web apps using Python (Flask, Django) and two years in machine learning and computer vision using Python and C++. He is also a deep learning practitioner and enthusiast. Lasha believes that the key to a successful project is a genuine interest in the product so that the developer doesn't focus on the technical implementation alone but also the final product holistically.
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Tato Mchedlishvili
Tato is a full-stack developer with a decade-long experience working on multiple complex projects from scratch in various domains, from the public sector to transportation and eCommerce. His leadership skills enrich his technical expertise, bringing people together to deliver outstanding results. Tato enjoys challenging tasks and always works wholeheartedly, with a great sense of responsibility.
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Andrei Markovits
Andrei has over 12 years of experience developing all types of mobile projects, from simple to complex, often involving augmented reality, location-based functions, audio/video streaming, video editing, and more. He's primarily worked in the Android ecosystem but he's also comfortable building iOS apps with Flutter and React Native. The most complex project Andrei has made significant contributions to was creating a framework that was used to build over 350 applications for Android and iOS.
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