Senior Backend Software Engineer

4 days ago

Kolkata, West Bengal, India beBeeBackend Full time ₹ 25,00,000 - ₹ 35,00,000
Job Opportunity

K&K Talents is an international recruiting agency providing technical resources globally since 1993.

This position involves hiring candidates to expand a team in India.

Title: Backend Developer

We are seeking a skilled Backend Developer with hands-on expertise in Python and Django for application development, business logic, and high-performance APIs using FastAPI.

Responsibilities:

  • Develop and maintain backend applications using Python, Django, and FastAPI.
  • Build robust and scalable REST APIs and application modules.
  • Design and optimize database schemas, queries, and transactions (PostgreSQL/MySQL).
  • Implement authentication, authorization, RBAC, and security best practices.
  • Work with async programming for performance-critical services.
  • Manage background jobs and distributed task queues (Celery, Redis, RabbitMQ).
  • Ensure application performance, fault tolerance, and scalability.
  • Collaborate with frontend, DevOps, and product teams for feature delivery.
  • Write clean, reusable, testable code with proper unit/integration tests.
  • Participate in code reviews, architecture discussions, and deployments.

Skill Requirements:

  • Strong expertise in Core Python (OOP, data structures, design patterns).
  • Must-have: Hands-on experience with Django (ORM, middleware, application architecture).
  • Must-have: Proven experience with FastAPI for building async APIs.
  • Experience with REST APIs, microservices, and WebSockets.
  • Proficiency in SQL databases (PostgreSQL/MySQL) and NoSQL (Redis/MongoDB).
  • Experience with async IO, concurrency, and performance optimization.
  • Familiarity with Docker, Kubernetes, Git, and CI/CD pipelines.
  • Strong understanding of API security, session management, and data protection.
  • Experience integrating third-party APIs, payment gateways, or external services.

Preferrable Skills:

  • Knowledge of GraphQL (Graphene, Ariadne, or Strawberry).
  • Experience with cloud platforms (AWS/GCP/Azure).
  • Exposure to monitoring & logging tools (Prometheus, Grafana, ELK).
  • Prior work in large-scale or high-traffic applications.

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