Hire the Top Freelance Jest Developers in the World

Ionut is a Senior Front-end Developer with 10 years of experience building innovative software solutions and websites for desktop and mobile platforms using JavaScript/TypeScript, HTML5/CSS3 (SCSS/LESS), Tailwind, Sass, React/Redux, Next.js, and Angular (NgRx, NgXs, RxJS). He applies best practices and writes clean, well-organized, testable, and reusable code, delivering high-quality customer-facing applications and web-based solutions for clients. Ionut also works with various design tools to create clear and concise graphics, multimedia, and data visualizations and partners with product, design, and data teams to build and launch new applications in an Agile environment. He further provides technical direction with key decisions on how to create and maintain front-end applications, identifying and addressing performance bottlenecks to improve performance.

Cosmin is an expert Fullstack Developer with 15+ years of technical experience working on architectural designs and implementing various applications and complex platforms using modern web technologies, tools, libraries and frameworks. He has team lead experience - working closely with devs and clients to meet deadlines and produce high-quality functional applications on projects.

I am a keen Web Developer with over 10 years of experience working on online games and stores, content management systems, corporate websites, and custom business applications for clients using JavaScript, HTML, CSS, React.js, Flux architecture patterns, and Python databases. I am open to learning new technologies and work on challenging projects to provide innovative software solutions/app for my clients.

Full Stack Developer with expertise in developing RESTful APIs in Node.js and creating web/mobile apps with MeteorJS. I am highly skilled in back-end functionalities, third party integration ( Stripe, PayPal, and Google Calendar) and JavaScript/Node.js applications. As a strong problem solver, I see complex situations from a variety of different perspectives and will complete complex projects even in the face of difficult obstacles. I am also an avid learner who quickly adapts to new working environments and technologies. With a client-focus, I am a collaborative team member with a strong work ethic and will do whatever it takes to meet even the strictest deadlines.

Mikolaj brings 10+ years of experience in software development and web design, crafting software and web applications while working remotely with various international teams. He is passionate about programming and finding innovative and creative solutions to deliver the best value in the form of clean, efficient, and well-documented code for clients. With technical expertise in JavaScript, HTML/CSS, React/Redux, React Native, Angular.js, and Node.js, among others, Mikolaj enjoys tackling intellectual challenges, problem-solving, and identifying the best solution. He specializes in real-time web protocols using WebSockets, WebRTC, and interactive 2D/3D graphics using Canvas and WebGL and is keen on trying out new languages and technologies.

An experienced Web Developer with over 15 years of experience developing innovative business solutions for numerous clients, specialized in front-end development using React.js, Redux.js, and Unit testing. As an avid learner of new and emerging technologies, I value outstanding communication and work well independently or in a strong team environment. I am passionate about working on exceptional and innovative projects while delivering solutions that exceed all expectations.

I am a Front-End Engineer specialist who has worked on web and mobile applications using multiple technologies and currently focusing on React.js and React Native development. I am experienced with hybrid mobile app development - React Native, and well versed with software design, development, and deployment of full life-cycle projects. I have strong communication capabilities and am comfortable in direct interaction with clients and different third parties/peers/managers that are normally involved in projects.

Tomislav is a performance-driven Front-end Developer proficient in React, Vanilla JavaScript, jQuery, HTML, CSS, Responsive Web Design, UX/UI, Angular, and CoffeeScript. He is a lifelong learner intrigued by novel and modern front-end technologies and uses a client-centered approach to provide high-quality services to clients. Alongside coding, Tomislav has substantial experience working as a UI/UX consultant for enterprise companies.

Marek possesses extraordinary expertise in JavaScript, displaying remarkable proficiency in all major frameworks and front-end technologies. With 10+ years of industry experience, he has developed a strong foundation of skills enabling him to assess situations and effectively strategize solutions to complex problems within projects. Additionally, Marek excels in communication and exhibits exceptional teamwork capabilities across projects of varying scales.

Chisimdi is a Senior Software Engineer specializing in full-stack JavaScript development, but also working with Python, R, and C++. He has extensive experience in full-cycle software development, with a demonstrated history of building products for a variety of industries, including healthcare and government sectors. Chisimdi is interested in the future of technology and decentralized ledger technology, Machine Learning, AI, Deep Learning, Robotics, Web3, and autonomous systems.