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Software - Lead JavaScript UI Engineer

Roberts Recruiting
Boston, MA Full Time
POSTED ON 5/7/2026
AVAILABLE BEFORE 7/6/2026
The “Lead Javascript UI Engineer” will architect and build modular, customer-delightful mobile and web applications that are easy-to-use and fully tested and monitored. This person will drive reusable design patterns and build a component library to maximize code reusability. They will also be a critical member of a highly efficient and cohesive engineering team that is focused on the customer’s needs and requirements.
Outcomes:
  • Implement user interfaces that are highly intuitive, reliable and meet the needs of our customers
  • Design and build a component library that will be the basis of all of our user interfaces – both web and mobile
  • All mobile and web applications are fully tested, crash-proof and easily monitored with strong report-ability back
Competencies:
  • Maniacally focused on the end-user and customer and their user experience needs
  • Passion for developing customer-delightful and easy-to-use user interfaces, working directly with and demonstrating a deep understanding of the end-user / customer
  • Passion for software development and modern software development practices, including lean and agile
  • Egoless and works and interacts well with software engineering, product management, business development and customers
  • Passion for our mission and values
  • Able to get out in the field and excited to do so
  • Great listener and communicator, written and oral
  • Technically knowledgeable and not afraid to technically challenge other engineers
  • Ability and passion to quickly learn new technologies and industries, staying up-to-date with the latest technology and best practices
  • Results oriented, demonstrating a passion to release software, while not compromising on quality
Qualifications:
  • 5 years of web programming using Javascript (TypeScript is a plus)
  • 2 years of building scalable web or hybrid mobile applications using a modern web framework such as React or Angular 2 (React preferred but not required)
  • Intimate knowledge of designing and integrating with REST or GraphQL APIs
  • Experience building tooling in Node.js
  • Demonstrable experience and knowledge of the differences between web and mobile application development and the tradeoffs of each
  • Experience making applications aware of user roles (experience using feature flags is a plus)
  • Experience setting up monitoring solutions to track users and catch issues in Production
  • Experience and awareness building international applications (I18n, L10n)
  • Actively practicing lean / agile software methodologies or similar
  • Experience working cross-functionally with Software Product Management, Architecture, User Experience and users to realize application development vision
 
 

Salary.com Estimation for Software - Lead JavaScript UI Engineer in Boston, MA
$148,975 to $168,831
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