Full Stack Software Engineer (React / Python / AWS)

**About the Role** Agile Receivables is a fast-growing SaaS company. We are looking for a dedicated Full Stack Software Engineer to manage our end-to-end product lifecycle. This is a high- impact role where you will be responsible for maintaining our AWS-hosted infrastructure, evolving our FastAPI backend, and keeping our React frontend polished. Uniquely, you will also act as a technical bridge to our customers, providing high-level support and ensuring our clients have a seamless experience with our platform. **Must Have** * Excellent communication skills in English * Ability to use Claude/Codex/Other AI Agents for coding **Technical Requirements** * Frontend: Strong hands-on experience with React (Hooks, State Management). * Backend: 2+ years of professional experience with Python 3.11+ and FastAPI. * Database & ORM: Proficiency in PostgreSQL 15+ (AWS RDS) and SQLAlchemy 2.0 (Async patterns). * Experience in building AI Agents/Voice Agents * Frontend: Strong hands-on experience with React (Hooks, State Management). * Cloud & Infra: Familiarity with AWS services (Cognito, RDS, EC2/Lambda). * Stack Add-ons: Experience with Celery, Redis 7, and Pydantic v2. * Testing: Strong habits in writing unit and integration tests using Pytest. * Migrations: Experience managing database versions with Alembic. * Key Responsibilities * Application Maintenance: Full ownership of the SaaS application, ensuring * 99.9% uptime and fixing production bugs across the stack. * Infrastructure Management: Maintaining and updating our AWS-hosted * environments to ensure security and performance. * Customer Success: Directly handling technical customer service inquiries. You * will be the primary point of contact for users experiencing technical hurdles. * Documentation: Keeping OpenAPI/Swagger docs and internal technical wikis * up to date. **Who You Are** * Experienced: 2–3 years of professional full-stack development. * Excellent Communicator: You must be able to speak and write English fluently * to assist clients directly. * Reliable: You are comfortable working 6 PM - 2 AM IST and are looking for a * stable, long-term full-time position. * Product-Minded: You don't just "complete tickets"—you care about how the * software actually helps the end-user.