Senior Software Engineer

Role Overview As a Senior Software Engineer, you’ll help us architect and scale our platform from the ground up. In this role, you’ll play a pivotal role in designing and integrating ETLs, and driving effective monitoring and observability as you architect and operate core infrastructure and data systems at scale. --- What You’ll Do Design the system architecture for an AI-first marketing platform Drive new ETL pipelines to handle customer event data at scale Define industry standards for leveraging agentic AI to personalize marketing Power the marketing decisions for large companies, processing billions of data points every day --- Qualifications 3+ years of industry experience in backend/infra engineering You have experience designing data pipelines and processing event streams at scale Proficiency in SQL and understanding of database design Experience in building platforms and 0-1 systems You are a quick learner, and you thrive in a fast-paced, constantly evolving environment --- Why Join JustAI High ownership, high impact - your work defines how AI meets real customer workflows Founding-stage startup backed by YC & Peak XV (Sequoia), and growing fast Work with leadership from Twitter, Pinterest, and Goldman Sachs Competitive salary and meaningful equity