Senior Software Engineer - Performance Pacing

MNTN is a company that prioritizes its people and has been recognized for its innovative approach to Connected TV advertising. The Senior Software Engineer will design and maintain backend services and APIs, optimize performance, and collaborate across teams to translate business needs into technical solutions.

Responsibilities:

• 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

Requirements:

• 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