MNTN · 2 months ago
Sr. Software Engineer - Python
United States
Full-time
Remote
Senior Level
5+ years expMNTN is a company that prioritizes its people and has been recognized as one of Ad Age's Best Places To Work in 2024. They are seeking a Senior Backend Engineer to join their Performance Pacing team, responsible for ensuring advertising campaigns spend efficiently and accurately while processing vast amounts of data. The role involves building backend services, analyzing data, and collaborating across teams to enhance performance and reliability.
AdvertisingMarketingReal TimeSoftware
Responsibilities
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
Qualification
Required
5+ years of experience building distributed systems
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
Preferred
preferred Kotlin, python
Big plus if you have any exposure to OpenRTB, DSP, Ads delivery optimizations
Benefits
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
Company
MNTN
MNTN Performance TV is a CTV advertising platform with targeting, measurement, and optimization for amplifying marketers' performance goals.
201-500 employees
H1B Sponsorship
MNTN has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (10)
2023 (10)
Funding
Current Stage
Public CompanyTotal Funding
$185.8MKey Investors
BlackRock,FidelityMercato PartnersQualcomm Ventures
2025-05-22IPO
2022-02-01Series D· $119M
2017-05-19Convertible Note
Leadership Team
Mark Douglas
President & CEO
Patrick Pohlen
Chief Financial Officer
Recent News
legacy.thefly.com
2026-01-23
GlobeNewswire
2026-01-22
2026-01-20
Company data provided by crunchbase