{"schemaVersion":"jobsearcher.job.v1","id":"a5268db3243a6ce654056d94","url":"https://jobsearcher.com/jobs/a5268db3243a6ce654056d94","canonicalUrl":"https://jobsearcher.com/jobs/a5268db3243a6ce654056d94","title":"Senior JavaScript Developer","description":"We are working with a dynamic and innovative company that specializes in cutting-edge web application development. They are dedicated to building high-performance, scalable solutions that leverage modern JavaScript technologies.The Role Develop, test, and maintain web applications and scripts using JavaScript, HTML, and CSS Work with modern JavaScript frameworks/libraries such as Vue.js, React Optimize applications/integration scripts for maximum speed and scalability Collaborate with technical support, onboarding teams, and other developers to create seamless user experiences Write clean, maintainable, and efficient code while following best practices Troubleshoot and debug customer issues and stay updated with industry trendsWhat You'll Need 5+ years of professional experience in JavaScript development Strong expertise in ES6+ features and modern JavaScript frameworks (Vue.js, React) Proficiency in HTML, CSS, and front-end build tools (Webpack, Babel) Knowledge of performance optimization techniques for web applications Strong understanding of Agile/Scrum methodologies Experience with version control systems such as Git Excellent problem-solving skills, attention to detail, and strong communicationWhat's On Offer Competitive salary and performance-based bonuses Flexible working hours and remote work options Health, dental, and vision insurance reimbursement PTO and company holidaysApply via Haystack today!","company":"Haystack","rawCompany":"haystack","city":"East Boston","state":"MA","isRemote":false,"isActive":false,"createdAt":"2026-08-22T10:55:15.269Z","occupations":[{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior JavaScript Developer","description":"We are working with a dynamic and innovative company that specializes in cutting-edge web application development. They are dedicated to building high-performance, scalable solutions that leverage modern JavaScript technologies.The Role Develop, test, and maintain web applications and scripts using JavaScript, HTML, and CSS Work with modern JavaScript frameworks/libraries such as Vue.js, React Optimize applications/integration scripts for maximum speed and scalability Collaborate with technical support, onboarding teams, and other developers to create seamless user experiences Write clean, maintainable, and efficient code while following best practices Troubleshoot and debug customer issues and stay updated with industry trendsWhat You'll Need 5+ years of professional experience in JavaScript development Strong expertise in ES6+ features and modern JavaScript frameworks (Vue.js, React) Proficiency in HTML, CSS, and front-end build tools (Webpack, Babel) Knowledge of performance optimization techniques for web applications Strong understanding of Agile/Scrum methodologies Experience with version control systems such as Git Excellent problem-solving skills, attention to detail, and strong communicationWhat's On Offer Competitive salary and performance-based bonuses Flexible working hours and remote work options Health, dental, and vision insurance reimbursement PTO and company holidaysApply via Haystack today!","datePosted":"2026-08-22T10:55:15.269Z","dateModified":"2026-08-22T10:55:15.269Z","hiringOrganization":{"@type":"Organization","name":"Haystack","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"East Boston","addressRegion":"MA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"a5268db3243a6ce654056d94"},"url":"https://jobsearcher.com/jobs/a5268db3243a6ce654056d94"}}