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, 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.
The ad landscape is unpredictable — traffic spikes, auctions fluctuate, and budgets never sleep. Your team’s mission? Make sure every dollar is spent exactly where and when it should be. It’s like balancing a checkbook on a roller coaster — but with better code and cooler teammates.
We’re looking for a Senior Backend Engineer to join our Ad Buying-Pacing team — the brains behind ensuring every advertising campaign spends efficiently, accurately, and right on time. This squad owns the logic that controls how we bid, how fast we spend, and how we keep performance rock solid across billions of daily auctions.
It’s a mix of math, machine learning, and “how in the world does all this happen in milliseconds?” energy. You’ll be writing systems that talk to some of the biggest streaming and supply-side partners in real time, processing over a terabyte of data and hundreds of thousands of updates per day. This is one of those “under the hood” teams that quietly runs the show — and right now, they’re about to launch a brand-new, in-house pacing algorithm that has serious visibility across leadership. (Translation: your work here gets noticed.)
What You'll Do:
Build and maintain backend services that power MNTN’s distributed pacing and ad buying systems.
Take extreme ownership — spot issues before they become problems, and drive them all the way to done.
Analyze oceans of data, detect anomalies, and make informed, data-driven improvements.
Scale microservices that perform beautifully at ridiculous load levels.
Continuously refine and evolve services for speed, reliability, and maintainability.
Collaborate across business, project, and ML teams to translate complex logic into systems that just work.
Raise the bar for engineering quality through mentorship, thoughtful code reviews, and technical leadership.
What You'll Bring:
5+ years of experience building distributed systems (preferred Kotlin, python).
Expertise in non relational & 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/or data platforms like PySpark.
Familiarity 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, curious 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 if you have any exposure to OpenRTB, DSP, Ads 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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