Backend Developer - Python/FastAPI

Experience : 2 - 4 Years Employment Type : Full-Time About the Role : We are a high-growth technology company building lightning-fast, scalable backend systems. We are seeking a performance-oriented Backend Developer to design, build, and optimize robust APIs using modern asynchronous Python frameworks. Key Responsibilities : - Architect, develop, and scale high-performance RESTful APIs and microservices using Python and FastAPI. - Implement strict data validation, serialization, and schema definitions using Pydantic. - Design and integrate caching strategies, rate-limiting, and background task queues (e.g., Celery) using Redis. - Write efficient, non-blocking, asynchronous code (async/await) to handle high-concurrency requests. - Collaborate with frontend engineers to define seamless API contracts and integrate UI components. - Write unit and integration tests (using Pytest) to maintain high code coverage and reliability. - Deploy and monitor backend services across AWS/cloud environments. Must-Have Qualifications : - 1 to 4 years of dedicated experience in backend software development. - Strong proficiency in Python with demonstrable experience writing asynchronous code. - Hands-on, production-level experience building APIs with FastAPI. - Deep understanding of Pydantic for data parsing and validation. - Practical experience utilizing Redis for caching and session management. - Solid grasp of relational databases (PostgreSQL/MySQL) and ORMs (SQLAlchemy or SQLModel). Good-to-Have Skills : - Experience with containerization (Docker) and CI/CD pipelines. - Knowledge of web sockets for real-time application features. - Prior exposure to Fintech, high-frequency trading, or transaction-heavy platforms.