Full-Stack React Developer with Python Experience (Lead II - Software Engineering)

We're looking for a skilled Full-Stack React Developer with strong Python backend experience to join our team. You'll be working on a next-generation conversational AI platform, helping to build robust, scalable applications that integrate with Large Language Models (LLMs). This is a chance to dive into cutting-edge AI technology while contributing to both the frontend and backend of a modern web app.

About the Platform

The platform includes features such as:

• Document integration with Microsoft 365 (OneDrive/SharePoint)
• Custom agent personas with configurable system instructions
• Multi-model LLM support with flexible backend options
• Rich conversation management with image support
• Document generation and audit logging
• Template-driven workflow automation

Technical Stack

Frontend:

• React 18+ with TypeScript
• Redux for state management
• Modern component architecture (TSX)
• Advanced image handling (drag-and-drop, copy/paste)
• Microsoft 365 API integration

Backend:

• Python with FastAPI
• Async/await for high-performance operations
• Strong typing practices (PEP 585)
• LLM service integrations
• Document processing and generation

Development Environment:

• Docker-based local development
• PNPM for package management
• UV for Python environments
• Modern development workflows, Frontend Development (Primary)
• Build and maintain React components with TypeScript and Redux
• Develop responsive, user-friendly interfaces for conversational AI
• Implement advanced file handling (drag-and-drop, image processing)
• Create reusable UI components aligned with our architecture
• Integrate with Microsoft 365 APIs
• Optimize performance for real-time chat

Backend Integration & Support

• Collaborate on FastAPI backend services and API design
• Implement async Python functions for LLM integrations
• Work with document processing pipelines and logging systems
• Support containerization and deployment processes
• Improve error handling and system reliability

Full-Stack Contributions

• Design and implement features across frontend and backend
• Ensure smooth integration between React UI and Python APIs
• Take part in architecture discussions for new features
• Maintain clean, high-quality code following best practices

Do you have experience in Typing?, Do you have a Master's degree?, Frontend Expertise

• 3+ years of professional React experience
• Strong skills in TypeScript and modern JavaScript (ES6+)
• Solid knowledge of Redux for state management
• Experience with React hooks, context API, and modern patterns
• Background in component testing and frontend optimization

Python Background

• 2+ years of professional Python development
• Familiarity with FastAPI or similar frameworks (Django, Flask)
• Understanding of async/await and concurrent programming
• Strong grounding in modern Python typing and best practices
• Experience designing and consuming RESTful APIs

Technical Skills

• Proficiency with Git and collaborative workflows
• Experience with Docker and containerized apps
• Familiarity with build tools and package managers
• Knowledge of testing frameworks (frontend & backend)
• Awareness of cloud deployment practices

Preferred Qualifications

• Experience integrating Microsoft 365 services
• Knowledge of LLM/AI services (OpenAI, Azure Cognitive Services)
• Experience with document processing and generation libraries
• Background in enterprise-grade applications with audit needs
• Familiarity with Redux DevTools and advanced state patterns
• Experience with WebSockets for real-time features
• Understanding of accessibility standards and responsive design, React,Typescript,Redux, Python

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world's best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients' organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact-touching billions of lives in the process.