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 development of MNTN’s new cross-platform design system
- Define long-term tooling, documentation standards, and contribution models
- Implement responsive and accessible UI components using modern frontend technologies.
- Champion the user experience and accessibility of our products, and help keep our quality bar as high as possible
- Collaborate with and support designers to evolve our long-term product vision, design systems, and internal design collaboration process
- Collaborate with engineers across multiple teams to establish best practices and improve workflow of component implementation
- Create and maintain processes, tools, and reusable code patterns that enable efficient designer–engineer collaboration within the design system
What You’ll Bring:
- 6+ years of experience in a design engineering role or similar, with a strong portfolio showcasing design and development projects
- Proficiency in Figma and experience or curiosity in exploring emerging AI design tools (e.g. Cursor, V0, Claude, etc)
- Excellent frontend skills with modern approaches (React, TypeScript, Tailwind CSS, core/vanilla CSS) and a strong foundation in prototyping and implementation
- Familiarity with ShadCN and Radix for building reusable UI components
- A keen ability to articulate the rationale, process, and impact behind your design decisions and adapt to technical constraints in creative ways using your knowledge of web technologies
- A high level of visual design skill and strong understanding of UX and UI principles.
- Strong organizational skills and a love for documentation
- A proactive individual that can self-start and 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
- 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
MNTN Perks
- 100% remote within the US
- Flexible vacation policy
- Annual vacation allowance for travel related expenses
- Three-day weekend every month of the year
- Competitive compensation
- 100% healthcare coverage
- 401k plan
- Flexible Spending Account (FSA) for dependent, medical, and dental care
- Access to coaching, therapy, and professional development
About MNTN
Our recruiters will always reach out using an email address ending with @mountain.com OR @mntn.com. If you’re contacted by someone without that address and they mention a Reference Code (which we never use), then that ain’t us folks. Tell those trolls to take a hike–you’re waiting to climb a MNTN.
MNTN provides advertising software for brands to reach their audience across Connected TV, web, and mobile. MNTN Performance TV has redefined what it means to advertise on television, transforming Connected TV into a direct-response, performance marketing channel. Our web retargeting has been leveraged by thousands of top brands for over a decade, driving billions of dollars in revenue.
Our solutions give advertisers total transparency and complete control over their campaigns all with the fastest go-live in the industry. As a result, thousands of top brands have partnered with MNTN, including Tarte, Decked, and National University.
#LI-Remote
Skills Required
- 6+ years of experience in a design engineering role or similar
- Proficiency in Figma and experience or curiosity in exploring AI design tools
- Excellent frontend skills with modern approaches (React, TypeScript, Tailwind CSS)
- Familiarity with ShadCN and Radix for building reusable UI components
- A keen ability to articulate design rationale and adapt to technical constraints
- Strong understanding of UX and UI principles
- Strong organizational skills and documentation love
- Experience with interaction design
What We Do
MNTN builds advertising software for brands to drive measurable conversions, revenue, site visits and more through the power of television. MNTN Performance TV is the world’s first and only Connected TV advertising platform optimized for direct-response marketing goals. It redefines what advertisers can do with television, giving them the power to tie performance directly to their TV campaigns.
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