Mobile App & AI Developer - $105-120K DOE (Hybrid)

Trajan Wealth LLC • Scottsdale, AZ

2d • $105,000 - $120,000 • Hybrid

About The Position

The Mobile App Developer is responsible for taking ownership of our wealth management mobile application, transitioning the platform from a third-party consultant implementation to an internally managed solution. S/he maintains and enhances the React Native mobile application built with Expo, integrates with GraphQL APIs, and develops AI-powered conversational interfaces using LangGraph and LangChain. This position works independently to deliver new features, optimize performance, and maintain the technical infrastructure that supports our client-facing wealth management platform, including AI agent capabilities for document access, financial calculations, account queries, and service requests.

Requirements

• Strong proficiency in TypeScript, JavaScript, and Python
• Deep understanding of React Native and Expo for cross-platform mobile development
• Solid knowledge of the mobile development lifecycle, including app store submission processes
• Experience implementing authentication and authorization (JWT, OAuth, secure token handling)
• Hands-on experience working with APIs
• Understanding of AI/LLM frameworks, including LangGraph, LangChain, and Pydantic AI
• Ability to design node-based or workflow-driven AI agent processing systems
• 5+ years of professional software development experience
• 3+ years building and shipping mobile applications
• Experience with React and modern frontend/mobile frameworks (e.g., Next.js, Tailwind CSS, NativeWind)
• Experience with version control systems and collaborative development workflows (e.g., Bitbucket, Azure DevOps)
• 1+ year building AI agents or conversational interfaces using LangGraph, LangChain, or similar frameworks
• Experience with relational databases (PostgreSQL or similar)

Nice To Haves

• Experience with Auth0 or similar identity providers
• Experience with cloud-based CRM platforms (e.g., Creatio)
• Familiarity with financial services or wealth management domains
• Experience with Docker and containerization
• Experience testing AI agents, including mocking LLM responses (e.g., pytest)

Responsibilities

• Develop, maintain, and enhance a React Native (Expo) mobile application
• Ensure reliable cross-platform performance on iOS and Android through testing and platform-specific adjustments
• Manage app store releases, including build preparation, submission to Apple App Store and Google Play, and release coordination
• Integrate and consume GraphQL APIs (queries, mutations, and response handling)
• Implement authentication, state management, and data synchronization with backend services
• Design and implement conversational AI agents using LangGraph
• Integrate multiple LLM providers (e.g., OpenAI, Anthropic Claude, Perplexity, Google Gemini)
• Develop and maintain FastAPI endpoints for agent interactions, streaming responses, and conversation management
• Communicate technical decisions, progress, and risks clearly to stakeholders
• Document code, architecture, and technical processes
• Collaborate with the Tech Team and business stakeholders to translate requirements into technical solutions

Benefits

• $105,000 to $120,000 per year base salary depending on experience.
• Future career growth opportunity.
• 401(k) with a matching contribution up to 13%.
• United Healthcare PPO medical coverage for employees, paid by the company.
• Delta Dental PPO, United Healthcare Vision, Short Term Disability, Long Term Disability, Life Insurance, and many more voluntary options.
• Generous holidays and PTO.
• Come and join a team that is making a difference in their clients and employee's lives!

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level