> Markdown version of [/jobs/ext/3843211-senior-frontend-engineer](https://www.wearedevelopers.com/jobs/ext/3843211-senior-frontend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Frontend Engineer - **Company:** 1872 Consulting - **Location:** New York, NY, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), User Authentication, Cascading Style Sheets (CSS), ECMAScript, JSON, Node.Js, OAuth, Selenium, TypeScript, Web Applications, RxJS, Test-Driven Development (TDD), Puppeteer (Software), Git, Syntactically Awesome Style Sheets (SASS), Integration Tests, Front End Software Development, Asynchronous Programming, Mocha, Software Version Control - **Published:** October 20, 2026 - **Apply:** https://www.juju.com/job/23_FE06312D5FFA232ECBDBCCC9AFD5E99F ## About the Role We are looking for strong, inquisitive engineers with clever solutions, and a desire to join a small but fast growing team (= 2) or ReactStrong command of asynchronous programming, promises, async-await, etc.Deep experience with state management: RxJS, ReduxStrong practice with ES6 (aka Ecmascript 2015) and ES5 standardsHTML5, CSS, Sass or LessExperience with best practices of frontend security, authentication, and authorization techniques (e.g. JWT tokens (aka JSON Web Tokens), OAuth) and common hacker avoidance practices.Experience working on Agile/Scrum teamsRegularly practice test driven development (TDD) with unit and integration tests using frameworks like Jest, Mocha, etc.Be extremely comfortable working with version control and branching (e.g. Git)Bonus Skills:Typescript or Google ClosureChrome extension programming experienceJSDoc and Common JS Style best practicesBuilding Node ModulesCreating or contributing to frontend frameworksTest Automation Experience (Selenium, Puppeteer...etc) ## Description Frontend Engineer OpportunityOur systems to support these platforms require very strong frontend engineers to build sophisticated web applications, CRMs, marketplaces, web scrapers, Chrome extensions and more.