UI Developer / Interaction Designer, Contractor

About Realtime

We're empowering companies to seamlessly test and deploy robots without specialists. Our collision-free motion planning solutions make it possible for robots to instantly react to their environments and compute how and where to move as their situation is changing. We are searching for a UI Developer to work on our React and Qt based applications to allow users to better plan, observe, and build their robot workcells. This UI Developer will play a vital role on the team and will help to revolutionize the industrial robotics industry.


Your primary task will be to work closely with our designers and front-end engineers to prototype user interfaces for maximum usability and performance in web applications, allowing for seamless interaction between user and software and ensuring high UI/UX scores. If you have a creative mind, top-notch technical skills, a strong sense of user interface design and an eye for detail, this is the perfect position for you.

Examples of potential projects for this position:

  • Work with UI/UX designers to build out a reusable web component library for our React based web and Qt based desktop products

  • Work with UX designers to build interactive prototypes of solution concepts for user research and developer consumption 

  • Ensure that the product is optimized for various devices

  • Support front-end team with implementation of prototypes

  • Collaborate with front-end developers to improve overall product usability and experience

  • Identify areas for improvement in existing interface structures and interactions

  • Conduct user testing across platforms and devices to ensure all designs render correctly and interactions function properly

  • Solve interaction or usability issues that arise from user testing and anticipate potential future problems so they can be resolved before they impact user

Technologies we use:

  • React

  • TypeScript

  • Redux (Redux Toolkit)

  • Three.js / react-three-fiber

  • Tailwind CSS

  • Node.js

  • Express

  • Storybook

  • Qt / Qt Quick / QML

  • GitHub Actions

The Candidate

The ideal candidate will have many of the following qualifications:


  • 3-5 years of demonstrated experience in UI/UX design and development

  • Experience with modern JavaScript (ES6/ESNext)

  • Experience building out a component library

  • Experience working with Agile/Scrum development processes

  • Experience working closely with UX/UI Designers and Product Managers

  • Good interpersonal and problem solving skills

  • Understanding of key design principles with a strong portfolio


  • An interest or prior experience prototyping for user research 

  • An interest or prior experience in robotics

  • Continued education and research into UI development trends and technology


If you are passionate about what we do, then send your resume and an optional cover letter to careers@rtr.ai.

Realtime Robotics, Inc. located at 27 Wormwood St Ste 110, Boston, MA 02210 is an equal opportunity employer. All candidates must be legally authorized to work in the United States now and in the future.


Our number one priority is the health and safety of our employees, their families, our communities, partners and customers. In order to promote that safety and well-being, we require that all employees be fully vaccinated against COVID-19 by their start date. Applicants who receive an offer of employment who can provide documentation that the vaccine is medically contraindicated, or who object to vaccination due to a sincerely held religious belief, may make a request for exemption. We will consider requests for reasonable accommodations consistent with our policy, and where we are able to provide such accommodations without undue hardship to the company.