Principal Software Engineer - PA172
Core
Design and implement core systems for a real-time marketing platform, including high-throughput ad infrastructure, large-scale identity resolution, and intelligent systems enhanced by LLMs.
Role type
Principal Software Engineer (Backend/Data/Infrastructure with Applied AI focus)
Builds
Distributed systems processing billions of events/day, high-performance APIs, data pipelines, and LLM-powered intelligent agents.
Domain
Ad Tech / Marketing Platform / Applied AI / Data Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Distributed systems engineering, Big data infrastructure, Applied AI/ML with LLMs, Java/Go/Python, SQL, Large-scale data modeling
Preferred skills
Ad tech/RTB experience, Identity resolution, Open source contributions, Product instincts
Technologies
Kafka, Kinesis, ClickHouse, DynamoDB, Bigtable, Memcached, Airflow, Snowflake, LangGraph, MCP
Responsibilities
Design distributed systems for real-time event processing, Develop high-performance APIs and services, Build intelligent agents using LLM frameworks, Operate data pipelines for streaming and batch workloads, Drive system quality and observability, Mentor teammates
Seniority
Principal, hands-on IC with technical leadership
