Back End Developer

Backend Developer (Node.js / Python) — 4+ Years Experience

Company Description

Zippy is an innovative AI-powered content platform and screen-free audio player designed for kids aged 3–8. It engages children through iconic audio stories, immersive graphic books, and daytime radio shows, while also offering soothing sleep stations at night. Zippy uses AI to personalize family stories and adapt content as children's needs evolve. By combining learning, entertainment, and personalization, Zippy aims to provide a unique and dynamic experience for every child.

About the Role

We are seeking a Backend Developer with a passion for designing scalable, event-driven architectures and building high-performance backend systems.

You’ll work across Node.js and Python-based services, developing APIs, managing data flows, and orchestrating event-driven pipelines that power real-time, intelligent applications.

If you enjoy solving complex backend problems, building efficient data and messaging systems, and leveraging the latest in distributed computing, this role is for you.

Key Responsibilities

• Design, build, and maintain backend services using Node.js (TypeScript / JavaScript) or Python (FastAPI, Django, or Flask).
• Develop and optimize RESTful and GraphQL APIs for low latency and scalability.
• Architect and implement event-driven systems using message brokers like Kafka , RabbitMQ , Redis Streams , or AWS SQS / SNS .
• Build microservices that communicate via async messaging , pub / sub , and stream processing patterns.
• Manage and optimize databases (PostgreSQL, MongoDB, Redis) for performance and reliability.
• Implement authentication , authorization , and secure communication (JWT, OAuth2, TLS).
• Write clean, modular, and testable code with unit / integration tests using frameworks like Jest , PyTest , or Supertest .
• Collaborate with DevOps to containerize and deploy services via Docker , Kubernetes , and CI / CD pipelines (GitHub Actions, Jenkins, or ArgoCD).
• Instrument applications with metrics, logging, and tracing tools (Prometheus, Grafana, ELK, OpenTelemetry).
• Participate in architecture reviews , code reviews , and drive backend best practices across teams.

Required Skills & Experience

Bonus Skills

Who You Are

You believe in ownership , automation , and continuous learning .