Hire Freelance Karma Developers and Engineers
Tina Holly
Tina is a seasoned full-stack engineer specializing in mobile-first responsive web development and client-side JavaScript applications—with React, Redux, Angular, Vue, and Ember—and their APIs—Ruby on Rails, Node.js, Kotlin, and Java—backed by SQL and no-SQL databases. Tina also excels at developing native mobile apps for iOS and Android, including KMM, and has expertise in React Native and Cordova.
Show MoreAndriy Martynenko
With six years in software engineering and advanced degrees in the field, Andriy excels in developing scalable, reliable web applications. He is an expert in React, Angular, Node.js, Express.js, and cloud technologies like AWS. He is known for turning complex technical challenges into user-friendly solutions. Andriy's full-stack skills and business acumen ensure he delivers impactful, client-focused results.
Show MoreDmytro Snisarenko
Dmytro is a front-end engineer with over thirteen years of web development experience and the author of multiple open source libraries. He developed a real-time fault-tolerant hybrid mobile application used by KLM mechanics at Schiphol airport to perform between-the-flight aircraft maintenance. He is a Stack Overflow enthusiast, a Certified Scrum Master, and AWS solutions architect. Dmytro is passionate about delivering products that are accessible, reliable, and offer a smooth user experience.
Show MoreMichal Mikolajczyk
Michal is a senior software engineer and community leader for Toptal Warsaw. He communicates well and takes the initiative needed to help startups scale. Michal writes clean, functional code, automates infrastructure, and enjoys coordinating and scoping tasks. A former digital nomad, Michal speaks at conferences, and writes articles for the Toptal Blog. His professional interests include blockchains and artificial intelligence.
Show MoreBartlomiej Obecny
Bartlomiej is a true enthusiast for unsolved problems. He is a full-stack developer with more than 15 years of professional experience. Bartlomiej enjoys working with people, is not afraid of changes, is very good at interpersonal skills, and is always open to new challenges.
Show MoreMarko Mišura
Marko is a senior full-stack software engineer with over 10 years of professional experience working in various positions. He is a responsible individual with a passion for writing optimized code while keeping the client's best interests in mind. Marko has experience planning, developing, and maintaining software products during the entire product's lifespan. He is used to very demanding roles with high levels of responsibility and expectations, with people leadership experience.
Show MoreVasiliy Ruzanov
Vasiliy is an architect, multiplatform developer, hobbyist UI designer, and entrepreneur. He's an all-in-one performer and perfectionist in a great way. With over 20 years of experience in programming, architecture design, and managing development teams, Vasiliy is excited about the way modern tech is evolving and likes to be on the bleeding edge of tomorrow's technology.
Show MoreStefan Katic
Stefan is a full-stack web developer offering deep expertise in Java, JavaScript, user-centered design, and a passion for developing innovative, user-friendly technical products. He has proven expertise in using new tools and technological developments to drive improvements throughout the entire software development lifecycle.
Show MoreLazar Grbovic
Lazar is a results-driven front-end developer seeking to use his proven Angular skills to deliver high-quality code. He worked on five large responsive web applications gaining experience in UX, testing, development, and custom UI components creation. Holding both a bachelor's degree in computer science and a master's in software development, Lazar is passionate about coding and a true team player.
Show MoreKen Abe
An enthusiastic, experienced, and self-motivated full-stack web developer, Ken holds a variety of skills and experiences in many programming languages and frameworks. He thoroughly understands the requirements for stellar web apps and tries to provide the best infrastructures to allow you to grow and scale safely and quickly.
Show MoreDiego Alisson Fernandes de Mendonca
Diego is a senior software engineer with over 15 years in software development across various industries, mostly following Agile principles, with a focus on UI working on different frameworks, browsers, and environments he's vast knowledge brings extra value to the project. Diego is a skilled hands-on developer who understands the client's expectations and knows how to translate the requirements into well-designed and scalable solutions.
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