We are looking for a developer to expand and maintain frontend web application. The project focus is to automatically optimize, compile and execute calculations expressed in a domain-specific language. To achieve the best results, we use scala metaprogramming and take advantage of machine learning to analyze syntax. Building upon industry-standard toolset like Cats, Akka, Slick and expanding it with Scala.js, Zio, and Hazelcast. We are looking for an engineer experienced with React. Someone who can communicate with business, propose a solution, and implement it. In our code reviews, we put high emphasis on code quality in a clean functional manner. From the new developer, we expect readiness to deal with complex problems.