About the role
This is a remote position.
Job Title: Senior Full-Stack Mobile Developer (AI & NLP Focus) URGENT HIRING Work Roster:10:00 AM – 6:00 PM (Melbourne Time) Weekends:Saturday & Sunday Employment Type: Full-Time | Long-Term Experience Required: 5+ years in Full-Stack Development Role Overview We are seeking a Senior Full-Stack Mobile Developer with Technical Leadership capabilities for our client in Australia to take ownership of system architecture, development, and long-term maintenance across multiple products. This role is ideal for someone who enjoys building scalable systems from the ground up in a fast-moving startup studio environment. Key Responsibilities Architecture & Development * Lead end-to-end development using a shared, modular technology stack * Design and implement scalable solutions using React Native and Node.js * Ensure clean, maintainable, and reusable code across multiple applications * Frame internal dashboards, monitoring, and tooling as part of designing scalable systems and shared platforms.
AI Development * Building an AI-driven mobile application focused on NLP-based journaling, sentiment analysis, and pattern detection, correlating user inputs with pain/stress signals and delivering empathetic, logic-driven responses. * Implement and optimise LLM and Vision APIs, specifically GPT-4o * Develop high-accuracy image recognition and structured text generation pipelines * Design AI-chaining logic to support multi-step intelligent workflows * AI audit logs, prompt troubleshooting, and observability as part of building reliable and debuggable AI pipelines.
Cross-Application Scalability * Build a reusable Master Engine for Authentication, Payments and AI orchestration * Ensure consistency and scalability across the entire SaaS portfolio * Ensure user management, subscriptions, and payments as reusable platform components that support multiple products.
Admin & Internal Systems * Develop a centralised Admin Command Center for internal operations * Enable system monitoring, user management, and AI troubleshooting.
System Quality & Reliability * Managing real-time alerts for API failures alongside database performance and bottleneck tracking.
Technical Requirements * Frontend: Strong expertise in React.js * Mobile: Proven experience with React Native * Backend: Node.js with RESTful API design * Hands-on experience with OpenAI APIs * Prompt engineering and Vision models * Hands-on experience with Python * Experienced in NLP, computer vision, LLMs, and Python-based data workflows. * PostgreSQL (Supabase preferred) with real-time data synchronization * Stripe integration experience
What Makes This Role Exciting * Architectural Ownership: You design and drive the technical vision * Startup Studio Model: Work across 4+ AI products instead of a single long-term project * Creative Freedom: Flexibility to choose the best tools and solutions * Career Growth: Opportunity to lead technical expansion as the product portfolio scales
Originally posted on Himalayas