Job Url: https://job-boards.greenhouse.io/mntn/jobs/7104242

Job Description: What You’ll Do:

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
What You’ll Bring:

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