Calsoft - Backend Developer - Python

Role Overview :

We are hiring a Python Backend Engineer with strong experience in building scalable backend systems and APIs. The ideal candidate should have solid programming fundamentals, experience with modern frameworks, and exposure to CI/CD practices. Familiarity with AI/LLM concepts will be an added advantage.

Key Responsibilities :

- Design, develop, and maintain backend services using Python

- Build and optimize RESTful APIs for high performance and scalability

- Work with frameworks like Django, Flask, or FastAPI

- Write reusable, testable, and efficient code

- Implement unit and integration tests using pytest/unittest

- Collaborate with frontend, DevOps, and product teams

- Participate in code reviews and follow best coding practices

- Monitor, debug, and resolve production issues

Required Skills :

- Strong proficiency in Python and OOPs concepts

- Hands-on experience with Django / Flask / FastAPI

- Solid understanding of REST API development

- Experience with Git and version control workflows

- Knowledge of CI/CD tools (GitHub Actions, Jenkins, GitLab CI)

- Experience with unit testing frameworks (pytest, unittest)

Good to Have :

- Exposure to Generative AI / LLMs (OpenAI or open-source models)

- Understanding of prompt engineering, token limits, latency, cost

- Familiarity with Linux environments

- Basic knowledge of logs, monitoring, and debugging

Education : B.Tech / B.E. in any specialization