Full Stack Software Engineer (React / Python / AWS)
Full-stack engineer with end-to-end ownership of a SaaS app: maintaining AWS-hosted infrastructure, evolving the Python/FastAPI backend and React frontend, fixing production bugs, and acting as the primary technical contact for customers. Requires fluent English and comfort working 6 PM–2 AM IST.
- Compensation
- ₹700K–₹800K / yr
- Location
- Mumbai
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Full time
- Experience
- 2+ years
- Category
- Fullstack
- Posted
Skills
Must have
- Excellent communication skills in English
- Ability to use Claude/Codex/other AI coding agents
- Strong hands-on experience with React (Hooks, State Management)
- 2+ years professional experience with Python 3.11+ and FastAPI
- Proficiency in PostgreSQL 15+ (AWS RDS) and SQLAlchemy 2.0 (async patterns)
- Experience building AI Agents/Voice Agents
- Familiarity with AWS services (Cognito, RDS, EC2/Lambda)
- Experience with Celery, Redis 7, and Pydantic v2
- Strong habits writing unit and integration tests with Pytest
- Experience managing database migrations with Alembic
- 2-3 years of professional full-stack development
- Able to speak and write English fluently to assist clients directly
- Comfortable working 6 PM - 2 AM IST in a stable, long-term full-time role
Nice to have
- Product-minded: cares about how the software helps the end-user
Full description
Compensation: ₹7L – ₹8L • No equity
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