MNTN

Advertising

SeniorDesignEngineer

United States Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Design Engineer at MNTN. Skills: Design Engineering, UI Components, Design Systems. Design, build, and evolve scalable design engineering solutions. Improve product quality and user experience”

Industry & Context.

Advertising
Problems you'll solve

adapt to technical constraints in creative ways

What They're Looking For.

Must Have

6+ years of experience in a design engineering role or similar, portfolio showcasing design and development projects, Proficiency in Figma, Excellent frontend skills with modern approaches (React, TypeScript, Tailwind CSS, core/vanilla CSS), foundation in prototyping and implementation, Familiarity with ShadCN and Radix for building reusable UI components, keen ability to articulate the rationale, process, and impact behind your design decisions, adapt to technical constraints in creative ways using your knowledge of web technologies, high level of visual design skill, understanding of UX and UI principles, organizational skills, love for documentation, proactive individual that can self-start, prompt action or discussions on how to improve team dynamics or process within the context of their role, Fluent in design tokens and how they translate to design and engineers, Experience with interaction design, Report and work closely with the VP of Product design

Nice to Have

Worked in startup environments where you were involved in the establishment of design systems, Knowledge of accessibility development practices, Working with telemetry to inform design and development decisions, Leveraging AI in your day-to-day workflow, experience or curiosity in exploring emerging AI design tools (e.g. Cursor, V0, Claude, etc)

What You'll Do.

and evolve scalable design engineering solutions

Improve product quality and user experience

Maintain and evolve design and development of MNTN’s new cross-platform design system

Define long-term tooling

documentation standards

and contribution models

Implement responsive and accessible UI components

Champion user experience and accessibility

Help keep quality bar high

Collaborate with and support designers

Evolve long-term product vision

and internal design collaboration process

Collaborate with engineers across multiple teams

Establish best practices and improve workflow of component implementation

Create and maintain processes

and reusable code patterns

Enable efficient designer–engineer collaboration within the design system

How You'll Work.

Team & Collaboration

leading design efforts across different teams; act as the liaison between stakeholders on design work; part of a team rapidly designing and prototyping new features; Collaborate with and support designers; Collaborate with engineers across multiple teams; enable efficient designer–engineer collaboration

Communication Scope

articulate the rationale, process, and impact behind your design decisions

Full Job Description

At MNTN, we put our people first, full stop. This allows our company culture to be defined by our team members and their shared values, like trust, ambition, quality, radical honesty, and compassionate leadership. It’s why we all really love working for the Hardest Working Software in Television™ (and also why we were named one of Ad Age’s Best Places To Work in 2025.) We pride ourselves on bringing unrivaled performance and simplicity to Connected TV advertising. Our self-serve technology makes running TV ads as easy as search and social, helping brands drive measurable conversions, revenue, site visits, and more. It’s what led MNTN to being named one of Fast Company's Most Innovative Companies in 2023. You can learn more about us and everything we do by visiting https://mountain.com/. We’re committed to innovation that empowers, not replaces. At MNTN, AI is a tool for growth, enhancing efficiency while keeping a people-first approach. Our goal is to streamline workflows and drive new solutions—without compromising the human element that makes our company great. So if wanting to do more, own more, and make a bigger impact comes naturally to you, then you may be the person we're looking for to join us in our next stage of growth. MNTN is looking for a Senior Design Engineer to innovate our user interface. You must run your post like a business and have experience leading your design efforts across different teams, while ensuring that your product design delivers both practical and innovative solutions to the platform. You will plot user journeys and set the acceptance criteria for your design work as you act as the liaison between stakeholders on your design work. You will be a part of a team rapidly designing and prototyping new features and ideas for current and next-generation MNTN products. What You’ll Do: Design, build, and evolve scalable design engineering solutions that improve product quality and user experience Maintain and evolve the design and developmen

Free ATS check

Applying for this Senior Design Engineer role?

Most applicants get filtered before a human reads their resume. See if yours makes the cut.

How to Apply on Greenhouse

  • Create a Greenhouse profile before applying — it saves time across multiple applications.
  • Upload your resume as a PDF; the parser handles it better than Word.
  • Answer all knockout questions carefully — wrong answers auto-reject before a human sees you.
  • Enable email notifications to track application status in real time.

ANONYMOUS · UNFILTERED

What do employees actually say about MNTN?

Real rants from real employees. Read before you apply.

Read Company Rants →