Principal UX Engineer

Location: Weston, Massachusetts, United States


This position is no longer open.

Requisition Number: 1320

Position Title: Principal UX Engineer_G01

External Description:

Principal UX Engineer

Own the product!

Monster Worldwide is looking for someone that wants to create a seamless experience that is the stage for a long-term relationship between Monster and its customers. With the Global UX team, you will craft and orchestrate compelling user experiences which create meaningful and lasting life experiences. You have built many interesting and sophisticated interfaces that push the needle from status quo. You have a history turning those interfaces into reusable frameworks for larger development efforts. You’ve worked closely with product managers to define and research problems. You have experience in all parts of the development process. You have worked as a team lead.

Who You Are

  • You are a credible principal-level UX/UI developer with strong opinions that are expressed with warmth and in a voice that wins hearts and minds.
  • You have experience leading a team of UX developers 
  • You have an exceptional eye for visual development and an undeniable ability to bring new experiences to life.
  • You have a keen focus on the ‘bigger picture,’ building reusable systems and frameworks for rapid UI development.
  • You have a strong desire to break “mediocre”, turn medicine into candy, and try, test, and accomplish feats of “extraordinary.”
  • You have a consultative approach to working with Product Managers, creating solutions for users while thinking through requirements/constraints.
  • You assess metrics and requirements and synthesize them into user stories, components, and frameworks. Responsibilities
  • Prototype cutting-edge interfaces and experiences in a fast-paced production environment.
  • Work closely with UX designers to build beautiful UIs for web and mobile web using a high degree of visual fidelity.
  • Write highly reusable code that can be componentized and easily consumed by other developers.
  • Improve developer experiences and velocity by building better workflows, practices, and tooling for development.
  • Research new and interesting open source software. Justify incorporating new software into Monster’s technology stack.
  • Promote UX best practices and processes across the team and help stand up a consistent suite of UX tools and libraries.
  • Evangelize design and development frameworks across the business. Assist external teams in adopting new frameworks.
  • Be an awesome team-mate and mentor. Engage with the rest of the UX development and design team on various projects.


  • 7+ years’ experience in UI development, Frontend development, or comparable roles.
  • Exceptional CSS skills.
  • Familiarity with Sass or similar preprocessor.
  • Experience building with Bootstrap and atomic design principles.
  • Strong JavaScript and interactive development skills.
  • Thorough understanding of React/ES6 development.
  • Proficient with Webpack or similar tooling.
  • Experience building design systems or component libraries.
  • Familiarity with NextJS, Gatsby, or other Node based rendering frameworks.
  • Experience converting designs from Sketch into working HTML/CSS prototypes.
  • Knowledge of cross-platform browser compatibility restrictions and requirements.
  • Awareness of web performance principles and page load optimization.
  • Appreciation for open source development models and wide knowledge of available software.
  • Ability to successfully execute on, and load balance across, multiple projects and tasks simultaneously.
  • Collaborative approach that brings good resolution decisions to tough development questions.
  • Excellent communication skills, written and verbal.
  • While a degree in CS or a related field is a plus, we look for talented people with proven success building interfaces regardless of education.

 Accessibility Accommodation

Monster provides reasonable accommodations to individuals with disabilities to enable such individuals to participate fully in the application process and during employment. If you require an accommodation for any part of the application process, please send an email to or call 1-800-MONSTER and let us know the nature of your request and your contact information. Please do not direct any general employment related questions to this email and/or phone number. Please not that only those inquiries concerning a request for reasonable accommodations will be responded to from this email address and/or phone number.

 Monster is an Equal Opportunity and Affirmative action Employer M/F/Individuals with Disabilities/Veteran Status.





Community / Marketing Title: Principal UX Engineer

Company Profile:

Monster (Randstad Group) is the worldwide leader in successfully connecting people to job opportunities. From the web, to mobile, to social, we help companies find people with customized solutions and we use the world's most advanced technology to match the right people to the right job.

We've made it our mission to help companies find better candidates. And nobody brings more cutting-edge tools to help them do just that than Monster. Whatever their needs are, we have the products and technologies to build a bespoke solution for our clients, to help them find #TheRightFit.

Innovation is the heart of our success... and our future. We're changing the way people think about work, and we're helping them improve their lives and their work performance with new technology, tools and training.

What makes Monster great…

Monster is synonymous with innovation; we are passionate about bringing great people and great companies together. In fact, we are obsessive about it – it’s what we do every day. We believe that the work that we do has a noble purpose... Making people’s lives better.

At Monster, we let people breath, giving everyone the opportunity to shape their destiny and provide the development support that allows them to do so.

Find out more about Working at Monster here:

Location_formattedLocationLong: Weston, Massachusetts US