Python Backend Developer

Ziventra; India; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Ziventra is seeking a backend engineer to design, develop, and maintain scalable services using Python and FastAPI. You will build RESTful APIs and real-time features with WebSockets, leveraging MongoDB for storage and deploying on AWS.

You will containerize with Docker, support CI/CD, integrate Studio APIs, and collaborate with frontend, product, and AI teams to ensure performance, security, and scalable architectures.

Qualifications

• 3–4 years of hands-on backend development experience.
• Strong proficiency in Python.
• Experience building APIs with FastAPI.
• Solid working knowledge of MongoDB.
• Experience with AWS cloud services and Docker.
• Hands-on experience with WebSockets or real-time systems.
• Familiarity with Studio APIs (Agents, Knowledge Bases).
• Good understanding of system design and scalable architectures.

Responsibilities

• Design, develop, and maintain scalable backend services using Python & FastAPI.
• Build and optimize RESTful APIs and real-time features using WebSockets.
• Work with MongoDB for efficient data storage and retrieval.
• Deploy and manage applications on AWS (EC2, S3, ECS, Lambda, etc.).
• Containerize applications using Docker and support CI/CD pipelines.
• Integrate and work with Studio APIs (Agents, Knowledge Bases).
• Collaborate closely with frontend, product, and AI teams.
• Ensure performance, security, and scalability of applications.

Skills

Python

FastAPI

REST APIs

WebSockets

MongoDB

AWS

Docker

Backend Architecture

Real-time systems

Tools

MongoDB

AWS

Docker

WebSockets

Job description

Key Responsibilities

Design, develop, and maintain scalable backend services using Python & FastAPI Build and optimize RESTful APIs and real-time features using WebSockets Work with MongoDB for efficient data storage and retrieval Deploy and manage applications on AWS (EC2, S3, ECS, Lambda, etc.) Containerize applications using Docker and support CI/CD pipelines Integrate and work with Studio APIs (Agents, Knowledge Bases) Collaborate closely with frontend, product, and AI teams Ensure performance, security, and scalability of applications

Required Skills & Qualifications

• 3–4 years of hands‑on experience in backend development
• Strong proficiency in Python
• Experience building APIs with FastAPI
• Solid working knowledge of MongoDB
• Experience with AWS cloud servicesHands‑on experience with Docker
• Experience implementing WebSockets or real‑time systems
• Familiarity with Studio APIs (Agents, Knowledge Bases)
• Good understanding of system design and scalable architectures

Good to Have Experience

• Experience with microservices architecture
• Knowledge of authentication, authorization, and API security
• Exposure to AI/ML product integration
• Familiarity with CI/CD pipelines and monitoring tools