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.
What You’ll Do:
- Design, build, and maintain Kotlin APIs and backend services that power MNTN’s distributed pacing and ad delivery systems
- Own critical infrastructure that drives optimization decisions across multiple campaigns and audiences
- Raise the bar for engineering quality and team culture through peer reviews, mentorship, and strong technical leadership
- Scale out microservices to ensure high performance and reliability
- Continuously optimize and evolve existing services for better performance and maintainability
- Collaborate cross-functionally with Business and Project Leads to communicate complex technical concepts and translate business requirements into scalable solutions
What You’ll Bring:
- 5+ years of experience building distributed systems using Kotlin and Python
- Expertise in non-relational and relational databases, including SQL, schema design, indexing, and performance tuning
- Demonstrated experience with microservices architecture in production environments
- Comfort working across tech stacks, including systems written in Rust, Python, and data platforms like PySpark
- Familiarity with Kafka or other high-throughput messaging systems
- Practical experience on cloud platforms such as GCP or AWS
- Strong understanding of Linux/UNIX environments and developer tooling (e.g., Git, CI/CD)
- A product mindset, with curiosity about how your work impacts customers and how systems perform at scale
- Enthusiastic about using AI tools in your workflow to enhance productivity
- Big plus: exposure to OpenRTB, DSP, or ad delivery optimizations
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.
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