Our client is developing a next-generation data and verification platform involving structured records, AI-queryable infrastructure, and complex multi-party access environments. This is not a standard web application or off-the-shelf SaaS build. The platform is being architected around: event-sourced data models, immutable auditability, AI-agent interoperability, cryptographic/privacy-aware data handling, multi-party verification workflows, schema-level permission structures, and long-term structured intelligence modelling. We are seeking a highly technical founding-stage builder to lead architecture and MVP development alongside the founding team. The Role: This is a deeply hands-on technical role for someone who: writes production code directly, makes architectural decisions themselves, and has experience building complex systems with lean teams. The successful candidate will lead: core schema and event-model design, verification infrastructure, permission and identity logic, AI-queryable data structures, enterprise-grade search architecture, and pilot-ready deployment. The role requires balancing: scalability, privacy law considerations, auditability, AI integration, and modular long-term system design from day one. Required Experience: Applicants should demonstrate direct experience in one or more of the following: identity or verification infrastructure, AI-native applications, event-driven or event-sourced systems, trusted data infrastructure, compliance-heavy platforms, multi-tenant permission architectures, or platforms where data integrity itself forms the core product value. Experience leading delivery alone is insufficient — this role requires strong architectural capability combined with hands-on build experience. Technical Considerations: The successful candidate should be comfortable working with concepts including: event-driven schema design, immutable records and audit trails, schema-level access controls, encryption and key management, AI-agent interoperability, MCP-native architecture, modular infrastructure design, and long-term structured intelligence modelling. To Apply, kindly send the below to hr@celotti.com.au: relevant project examples, systems/products personally architected and built, availability, and indicative MVP build cost expectations