Senior Data and Backend Engineer - Volunteer

About The Project We're building a system that automates verification of compliance certifications, checking whether a claimed certificate is real, current, and in scope against actual certification registries, starting with ISO 9001/14001/45001. What difference will you make? You will have a pivotal role in taking to the market the Verification Era , where every certification claim can be verified and everyone can learn from truthful information. What are we looking for? Must-have

• Strong Python backend engineering
• Solid backend engineering fundamentals - API integration, data pipelines, comfortable owning a service end-to-end
• Solid SQL + schema design
• Experience building ingestion pipelines
• Comfort with time-series data Strongly preferred
• Experience (or real interest) in privacy-conscious system design , ephemeral storage, content hashing, minimal data retention by design
• Comfortable working from a rough spec and real ambiguity , some of what you'll build doesn't have a finished design yet
• Bonus any exposure to compliance, regtech, or registry/API integrations specifically Remote What will you be doing? What you 'd own
• Build the Tier 1 registry connector an API client against IAF CertSearch
• Build the fetch-hash-delete pipeline the core mechanism that fetches a certificate from a registry, hashes it for version comparison, and deletes it immediately ,