Back End Developer

Company Description

Growth Loops Technology Pvt. Ltd.

Role Description

This is a full-time on-site role for a Software Engineer located in the Greater Kolkata Area. We are looking for a highly skilled Software Engineer with expertise in NestJS or Python to join our dynamic team.

Key Responsibilities:

Key Responsibilities (Backend Engineer)

• Design, develop, and maintain backend applications

   with a focus on scalability, performance, and reliability using 

  NestJS/Express (TypeScript)

   or 

  Python (FastAPI, Django, Flask)

  .

• Architect and implement microservices-based systems

  , ensuring modularity, fault tolerance, and scalability.

• Develop and optimize RESTful APIs and backend services

   to support frontend and mobile applications.

• Model, design, and optimize databases

   (PostgreSQL, MySQL, MongoDB, Redis) for performance, reliability, and scalability.

• Implement authentication, authorization, and security best practices

   (JWT, OAuth2, RBAC, data encryption).

• Ensure high-quality code

   through code reviews, automated testing (Jest, PyTest), and adherence to best practices.

• Collaborate closely with product managers, frontend engineers, and DevOps teams

   to deliver complete backend solutions.

• Containerize and deploy services

   using Docker, Kubernetes, and CI/CD pipelines on cloud platforms (AWS, GCP, Azure).

• Monitor and troubleshoot backend services

  , ensuring uptime, performance, and scalability.

• Mentor junior developers

   and contribute to knowledge-sharing across the backend team.
• Stay up to date with 

  emerging backend technologies and frameworks

   to continuously improve the stack.

Requirements

• Strong expertise in backend development

   using 

  NestJS/Express (TypeScript)

   or 

  Python (FastAPI, Django, Flask)

  .

• Solid understanding of backend architecture & design patterns

  , including microservices, event-driven systems, and distributed systems.

• Proficient with SQL and NoSQL databases

   (PostgreSQL, MySQL, MongoDB, Redis).

• Hands-on experience with containerization and orchestration

   (Docker, Kubernetes) and 

  CI/CD pipelines

  .

• Cloud experience

   with AWS, GCP, or Azure (deployment, scaling, monitoring).

• Deep understanding of backend security

  , authentication, and authorization (OAuth2, JWT, RBAC).

• Proficiency with testing frameworks

   (Jest, Mocha, PyTest, etc.) and TDD/BDD practices.

• Strong debugging and problem-solving skills

  , with the ability to troubleshoot complex backend systems.
• Excellent communication skills and ability to collaborate effectively in 

  agile, cross-functional teams

  .

If you're a passionate and skilled Software Engineer eager to make a significant impact in a startup setting and are excited to work with cutting-edge AI solutions, we encourageyouto apply today! We're looking forward to hearing from you.