Staff Software Engineer

This role provides deep technical support for Appier's advertising products, diagnosing delivery and performance issues across the ad serving funnel. The engineer will debug OpenRTB integrations, analyze bid/impression data with SQL, and build internal tools and playbooks. Requires 3+ years in ad tech support or solutions engineering, strong SQL, and scripting skills.

This Staff/Senior Machine Learning Platform Engineer role is responsible for architecting and scaling Appier's ML platform infrastructure, which supports hundreds of models and processes billions of records daily. The engineer will build and operate batch (Spark) and streaming (Flink) pipelines, design ML job execution frameworks on Kubernetes, and maintain data infrastructure. Requires 4+ years of experience in data systems or ML infrastructure, strong coding skills in Python/Java, and practical experience with Spark, Flink, and Kubernetes.

This Senior Backend Engineer role is focused on designing and building scalable, high-performance backend architecture for Appier's Ad Cloud Platform. The engineer will own the technical roadmap for sizable projects, mentor junior engineers, and collaborate with cross-functional teams. Requires 2-4 years of backend experience, proficiency in Python, and strong knowledge of distributed systems, message queues, and cloud platforms.

This role focuses on fullstack development with a backend emphasis, contributing to Apostra's platform that reimagines advertising for humans and AI agents. The work involves building technology to connect advertisers, media owners, and agents, with an emphasis on AI-driven workflows and distributed collaboration.