AI engineer

senior more than 5 year experience RAG

Senior Full-Stack Engineer — CTO Path Company Company: Senatra Product / tagline: “Your guide for life past 65” Location: Melbourne Role type: Onsite, full-time, permanent Timing: April 2026 Contact / application email: daisyliu@starplan.ai Role title Senior Full-Stack Engineer — CTO Path Role summary This is a founding engineering role with a genuine path to CTO. Senatra has an interim CTO who is transitioning to an advisory role, and two engineers are already shipping on the voice pipeline and data platform. The person hired will own the technical direction, including architecture, stack decisions, and scaling decisions. As the team grows, this person will lead it. Senatra is looking for someone who wants and is ready for that level of responsibility. What Senatra is building Senatra builds AI-powered care technology for older Australians and the family members who support them. The product creates daily connection and guidance for people living independently and surfaces important information to family carers. The company describes family carers as a largely invisible cohort carrying a real burden. Senatra is: • Early-stage • Well-funded • Focused on getting a meaningful product into the hands of real families in 2026 The technical foundation is already live and includes: • Working voice pipeline • Data platform • AI extraction • Web dashboard Two engineers are already shipping. The interim CTO is transitioning to an advisory role over the next few months. Role purpose Senatra is hiring the person who will: • Take ownership of the codebase • Lead the engineering team • Own technical direction • Turn a working foundation into a product that reaches older Australians and their families What the role owns Voice + AI pipeline • Real-time conversational AI over Australian telephony • LLM reasoning layer • Safety and grounding • Longitudinal memory • Context injection Data platform • Supabase PostgreSQL on AWS Sydney • Multi-tenant schema with strict row-level security • pgvector RAG • Realtime dashboards Web + mobile • Next.js App Router, already live • Expo + React Native, iOS-first, starting from Month 3 • Supabase Realtime • Push notifications Everything else • CI/CD • Observability • Infrastructure costs • Privacy Act compliance • On-call • Vendor accounts • Security posture Decision-making and autonomy The role has high autonomy with oversight. The hire will own technical direction, including: • Architecture choices • Vendor selection • Build-versus-buy decisions Senatra has an advisory board with technical and health sector expertise. The advisory board gives input on major architectural decisions, especially around: • Data sovereignty • Clinical safety • Regulated data handling The advisory board is described as a resource, not a bottleneck. Senatra does not expect the hire to start with all the answers. They expect the person to: • Form views • Articulate tradeoffs • Move with conviction once decisions are made Required background Non-negotiables The candidate must have: • Experience leading an engineering team • Experience hiring, managing and setting technical standards • 5+ years full-stack experience • Production Next.js experience • React experience • TypeScript experience • Strong frontend instinct • Care for how things look and feel, not just whether they work • Deep TypeScript knowledge • Typed schemas • Generated types from database • No any in production Strong signals Senatra sees the following as strong signals: • Supabase or equivalent experience • Correct schema design • Row-level security • Multi-tenant authentication • AI-native experience • LLMs • RAG • Embeddings • Prompt engineering in production systems • Shipped consumer products used by real people • High autonomy and low process • Ability to find the work, define the problem and ship the solution • Design taste • Ability to ship polished UI without a designer • Understanding that th