MNTN: Sr. Backend Engineer - Ad Buying

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Company Overview

MNTN is a leading provider of advertising software, focused on transforming Connected TV into a powerful direct-response performance marketing channel. Recognized as one of Ad Age's Best Places to Work in 2024, MNTN is committed to its team members and their shared values such as trust, ambition, quality, and compassionate leadership. The company's culture reflects a people-first approach, driving its reputation as the Hardest Working Software in Television™. Their innovation has earned accolades like Fast Company's Most Innovative Companies in 2023. With a unified goal of empowering through technology, MNTN leverages AI tools to drive efficiency while maintaining a strong human connection.

Job Overview

MNTN is actively seeking a Senior Backend Engineer to join their Ad Buying-Pacing team. This team plays a critical role in managing the complex dynamics of online advertising campaigns, ensuring optimal budget utilization and performance across billions of daily auctions. The position offers a remote work opportunity, allowing professionals to contribute regardless of geographic location.

Responsibilities

In this role, the Senior Backend Engineer will:

  • Build and maintain backend services supporting MNTN's distributed pacing and ad buying systems.

  • Take extreme ownership by identifying issues proactively and driving them to completion.

  • Analyze vast datasets to detect anomalies and implement data-driven improvements.

  • Scale microservices designed to perform exceptionally under high loads.

  • Continuously refine and evolve services for better speed, reliability, and maintainability.

  • Collaborate across teams such as business, project, and machine learning to translate complex logic into effective systems.

  • Mentor others and enhance engineering quality through thoughtful code reviews and technical leadership.

Required Skills

Candidates are expected to meet the following skill requisites:

  • A minimum of 5 years of experience in building distributed systems, with preferred expertise in Kotlin or Python.

  • Proficiency in both non-relational and relational databases, including SQL, schema design, indexing, and performance tuning.

  • Demonstrated experience working with microservices architecture in production environments.

  • Familiarity with various tech stacks, particularly systems written in Rust, Python, or platforms like PySpark.

  • Practical knowledge of cloud platforms such as GCP or AWS.

  • Strong understanding of Linux/UNIX environments and developer tools (e.g., Git, CI/CD).

  • A product-oriented mindset with curiosity regarding customer impact and system performances at scale.

  • Excitement about utilizing AI tools in workflows to enhance productivity.

  • Bonus points for exposure to OpenRTB, DSP, or ads delivery optimizations.

Compensation and Benefits

MNTN offers a competitive compensation package that includes:

  • 100% remote work option within the US.

  • A flexible vacation policy allowing for personal time off.

  • An annual vacation allowance for travel-related expenses.

  • A three-day weekend every month throughout the year.

  • Comprehensive healthcare coverage with 100% employer contributions.

  • Participation in a 401(k) plan and a Flexible Spending Account (FSA) for medical, dental, and dependent care.

  • Access to coaching, therapy, and professional development resources to support ongoing growth.

Conclusion

For candidates looking to join a dynamic team in a forward-thinking company, the role of Senior Backend Engineer at MNTN offers an exciting opportunity to engage with cutting-edge technology in the advertising sector. MNTN’s commitment to innovation and its people-focused culture create an ideal environment for professionals willing to embrace challenges and drive impactful changes.

In summary, MNTN is shaping the future of Connected TV advertising while setting a standard for workplace culture and innovation. If you thrive in dynamic environments and are eager to contribute to meaningful projects, this could be the perfect opportunity to advance your career while making a significant impact.



This job offer was originally published on weworkremotely.com

MNTN

Anywhere in the World

Software development

Full-time

December 31, 2025

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