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. ) 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. 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 MNTN Creative Delivery Services team manages ad delivery from backend to front end. As part of this team, you’ll contribute to the core infrastructure that drives creative processing, delivery, and optimization across our entire platform.

You'll be joining the group that owns our high-volume ad server and the pipelines that manage how creative assets are ingested, transformed, and served. As a Backend Engineer, you'll play a key role in developing scalable systems, improving performance, and building new integrations that expand creative capabilities for some of the world’s most recognizable brands. Your work will directly impact the flexibility, speed, and reliability of our ad experiences—at scale.

What You’Ll Do

Design, build, and operate high-throughput Java/Kotlin services that power our ad server and creative delivery pipelines Own systems end-to-end — from API design and ingestion flows to transformation, caching, and global delivery Work across the stack when needed (Rust services, Kafka streams, Terraform, relational databases) to solve the right problem with the right tool Improve performance, observability, and resiliency of critical production systems running at scale Partner closely with Product and Project leads to translate business needs into scalable technical solutions Contribute to architectural decisions that shape the future of our creative platform Raise the engineering bar through thoughtful code reviews, design discussions, and pragmatic best practices What success looks like You own and evolve high-scale services within our ad serving and creative delivery platform, ensuring low-latency, high-availability performance under sustained traffic. You design and ship scalable solutions that measurably improve system reliability, throughput, or cost efficiency. You proactively identify architectural risks and technical debt, driving improvements before they impact customers or operations.

Senior Software Engineer - CDS