Theorem is a software consultancy focused on using modern tools to solve complex problems for global businesses. We are a pioneer in remote workplaces with a diverse team of communicative, experts spread across 20+ countries.

We’re currently seeking a Senior Frontend Engineer with at least 5 years of JavaScript experience, including 2+ years with React The role is full-time, permanent, and 100% remote.

Our ideal candidate has experience building production applications using React and has a thorough understanding of the options and tools available for managing an application’s state and their underlying functional programming concepts.

Above anything else, the ideal candidate will show a passion for programming, learning, and researching new technologies, and adapting to the ever-evolving frontend landscape.

We’re looking for...



Minimum of 5 years of experience with JavaScript, including ES6



Minimum of 2 years of experience with React



Expert in HTML5 and CSS3, including CSS methodologies & build tools



Experience with Git and web-based version control platforms like Github



Proficient in designing, building, consuming and documenting APIs



Excellent communication and time management skills



Open-minded, open to receiving and providing constructive feedback, inclusive, collaborative, and always learning



We also like to see...



Experience with a variety of frontend frameworks & libraries, devops, and programming languages - Redux Thunk/Saga, Immutable, Docker, AWS, Glamorous, VueJS, TypeScript, Ruby, etc.



Active members in the JavaScript community - organizing/attending Meetups, contributing to open-source projects, teaching, blogging and conference appearances



Familiarity with design tools - Illustrator, Sketch, Zeplin, Figma, Principle, Framer or similar



Entrepreneurial and intrapreneurial - always on the lookout for new opportunities to improve the company externally and internally



Experience working in a distributed company



As a Senior React Engineer, you’ll...