Senior Software Engineer developing APIs and systems for CloudZero’s application platform. Collaborating with cross-functional teams to deliver scalable solutions in cloud cost management.
Responsibilities
Design, build, and maintain APIs, services, and core systems that power CloudZero’s application platform.
Build scalable features that support customers with large, complex cloud cost datasets.
Work on the core product surfaces customers use every day, including cost intelligence features, analytics, and identity/authentication systems.
Partner closely with product managers, designers, and engineers to deeply understand customer problems and deliver high-impact solutions.
Participate in product discovery, helping break down strategic objectives into clear, executable work.
Write clean, testable, and maintainable code that can evolve as the product and company scale.
Help shape engineering processes and technical direction to enable fast iteration, ownership, and high-quality delivery.
Requirements
5+ years of experience building APIs and complex backend systems in the cloud (AWS preferred).
Strong proficiency in Python.
Hands-on experience with authentication and authorization systems (RBAC, SSO, SAML, OIDC, OAuth).
Experience working in early- or growth-stage B2B SaaS environments.
Familiarity with event-driven architectures and AWS serverless services (Lambda, API Gateway, DynamoDB, Step Functions, EventBridge, SQS).
Ability to apply sound design patterns pragmatically when architecting systems and writing code.
Comfort collaborating cross-functionally and translating feedback into polished, customer-facing solutions.
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