Senior Full Stack Software Engineer

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 2024.)

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 and helps 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

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.

As a Senior Full-Stack Software Engineer on the Campaign Management Squad, your focus will be building and maintaining scalable web applications using React and Node.js. Responsibilities include solving complex technical challenges, contributing to architecture, and ensuring performance and usability. Collaboration with cross-functional teams, mentoring peers, and writing clean, observable code are key parts of the role. You will leverage AI tools to enhance development speed and productivity. All while having a strong sense of ownership and clear communication support end-to-end project execution.

What You'll Do:

Design and build a robust video creative platform customized for each brand and messaging.

Leverage a variety of AI models and services to enhance the product offering.

Develop performant and robust UIs using commercial and open-source frameworks

Collaborate with and explain complex technical issues to your technical peers and non-technical stakeholders

Optimize and enhance existing services and products

What You'll Bring:

5+ years of Javascript/Typescript, React, NodeJS

3+ years of HTML/CSS experience, including layouts, specificity, cross-browser compatibility, and accessibility

Experience with LLMs or Generative AI models in production applications

Familiarity with writing effective unit and functional tests in an automated environment

Familiarity with cloud infrastructure and containerization (Docker, Kubernetes)

Familiarity with SQL (PostgreSQL)

Proficiency with Git, CI/CD pipelines, and build tools

Experience with AI productivity tools (ChatGPT, Claude, Copilot, Cursor)

Strong problem-solving skills and ability to collaborate with both technical and non-technical stakeholders

Ability to comprehend business requirements and translate them into technical specifications

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 Build with Ferguson Master, OneWheel, Tarte, Decked, and National University.

#LI-Remote

Full-time

Fully remote