Obsidian Security is a leading SaaS security platform trusted by global enterprises. We protect 200+ organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealand, including Fortune 1000 and Global 2000 companies. Founded in 2017 and backed by top investors, Obsidian aims to secure SaaS apps like Microsoft 365 and Salesforce with a complete security platform to reduce risk, detect threats, and prevent breaches at the source. As AI drives rapid SaaS growth, Obsidian addresses new risks from integrated AI tools and OAuth token activity. This on-site role is based in Philadelphia, United States, and offers the opportunity to contribute to major initiatives and product enhancements. About the Role: As a Staff Software Engineer at Obsidian, you'll own meaningful product and platform work across the engineering stack with scope across multiple teams. This generalist role moves between backend services, data flows, APIs, product features, integrations, and production systems, and you will set technical direction that other engineers align to. You should be comfortable turning ambiguity into architecture and a multi-team plan. What you'll do: Own features and system architecture from problem definition through production, spanning multiple teams or the broader platform. Design and build backend services, APIs, data processing workflows, integrations, and product-facing capabilities. Set technical direction and architectural standards that other engineers build against. Work with product managers, designers, security researchers, and enginee

Obsidian Security is a leading SaaS security platform trusted by global enterprises. We protect 200+ organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealand, including Fortune 1000 and Global 2000 companies. Founded in 2017 and backed by top investors, Obsidian aims to secure SaaS apps like Microsoft 365 and Salesforce with a complete security platform to reduce risk, detect threats, and prevent breaches at the source. As AI drives rapid SaaS growth, Obsidian addresses new risks from integrated AI tools and OAuth token activity. This on-site role is based in Philadelphia, United States, and offers the opportunity to contribute to major initiatives and product enhancements. About the Role: As a Staff Software Engineer at Obsidian, you'll own meaningful product and platform work across the engineering stack with scope across multiple teams. This generalist role moves between backend services, data flows, APIs, product features, integrations, and production systems, and you will set technical direction that other engineers align to. You should be comfortable turning ambiguity into architecture and a multi-team plan. What you'll do: Own features and system architecture from problem definition through production, spanning multiple teams or the broader platform. Design and build backend services, APIs, data processing workflows, integrations, and product-facing capabilities. Set technical direction and architectural standards that other engineers build against. Work with product managers, designers, security researchers, and enginee