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

About Trajan Wealth

With over $2.5B in AUM and AUA, Trajan Wealth is one of the fastest growing RIA firms in the country, but we are also one of the few firms with a full-service law firm in house; Trajan Estate.

We provide financial services on a fee-only basis, acting as a fiduciary for our clients. Each member of our team fully embraces the importance of this role and what it means for our clients.

Role Overview

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.

Duties and responsibilities

Mobile Application Development

• 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

AI Agent Infrastructure

• 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

Collaboration and Communication

• 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

Qualifications

Education

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent professional experience

Skills

• 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

Abilities

• Communicate technical concepts clearly to both technical and non-technical stakeholders
• Learn new technologies quickly and adapt to evolving requirements
• High attention to detail, especially in accuracy-critical or regulated environments

Experience

• 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)

Preferred Qualifications

• 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)

Working conditions

Evening and weekend work required occasionally for releases.

Ideally we would like this person to be a Phoenix area resident and be available to come into the corporate office 1-2 days per week.

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!