Senior Software Engineer

About the Role CloudZero is growing fast. Our customer base is expanding, the data challenges we're solving are getting more complex, and the core platform team is scaling to match. As a Senior Software Engineer on the Droptable team (Billing Ingest), you'll own the architecture at the heart of our product: the backend data processing, storage, and query infrastructure that powers everything our customers depend on. This is actual platform engineering work at actual scale, not a maintenance role or a backlog triage job. You'll design the data models, pipelines, and query systems that let us onboard increasingly large customers with increasingly complex analytical needs, and you'll work directly with engineers and business stakeholders to build features that answer questions no one has thought to ask yet. If you thrive on hard data problems, care deeply about performance and scalability, and want to see your work matter to customers in direct and measurable ways, this role was built for you. What You'll Do Design and optimize scalable data models, queries, and storage solutions to improve performance and efficiency across the platform Maintain and enhance a custom-built query engine, ensuring flexibility and optimal performance as customer needs evolve Build for scale. Onboarding customers with larger datasets and increasingly complex analytical requirements is a core part of the job Collaborate with engineers and business stakeholders to develop data-driven features that solve real customer problems Continuously improve engineering processes and data infrastructure to enable rapid development and iteration What You Bring Proficiency in SQL and hands-on experience with cloud-based databases and data storage solutions (e.g., Snowflake, Databricks, BigQuery) Proficiency in Python Hands-on experience building and optimizing ETL pipelines and frameworks Deep understanding of data modeling principles and data warehouse design for analytics Strong problem-solving and debugging skills in large-scale data environments Ability to communicate complex data concepts clearly to business stakeholders and cross-functional teams Bonus If You Have... Experience with Snowflake data stores, AWS Step Functions, and AWS Lambda Exposure to machine learning pipelines and model deployment in data environments About CloudZero Cloud cost management is one of the biggest challenges organizations face today. As cloud adoption continues to accelerate, so do the complexities and costs associated with it, and macroeconomic conditions only increase pressure to prove cloud efficiency. CloudZero is a SaaS platform at the intersection of next-generation cloud cost management and FinOps. We ingest billing and usage data from all cloud, SaaS, and PaaS providers, organize it in real time according to our customers' business structures, and empower organizations to make more informed business decisions. Since our founding in 2016, our mission has been to make efficient innovation a reality for every cloud-driven organization. We believe every engineering decision is a buying decision, and we're applying proven reliability engineering principles to financial efficiency. We believe the best AI empowers users with clear insights and confident decisions, transforming complex cloud cost data into actionable intelligence that drives meaningful business outcomes. To date, we've raised over $56 million from leading venture capital firms. We're solving problems of massive scale, business importance, and complexity in a space that needs it more than ever. Equal Opportunity Employer CloudZero is an equal opportunity employer and values diversity. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status or disability status. All job offers are contingent upon the candidate passing background and reference checks.