Backend Developer – Python, Node.js, ERPNext, AWS (4+ yrs exp)

Senior Backend Developer

Key Responsibilities:

Backend Development & API Architecture

• Build and maintain backend services using

  Python (Django/Flask)

  and

  Node.js

• Develop clean, modular, and optimized code following best practices for performance and scalability
• Design, manage, and optimize

  MySQL

  databases with indexing and performance tuning
• Create and maintain

  RESTful APIs

  for web and mobile applications
• Integrate third-party services and internal APIs securely and efficiently

Cloud Infrastructure & DevOps

• Deploy and monitor services on

  AWS (EC2, S3, RDS, Lambda, CloudWatch, etc.)

• Set up and manage

  CI/CD pipelines

  using

  GitHub Actions

  ,

  Jenkins

  , or

  GitLab CI

• Implement logging, alerts, monitoring (Prometheus/Grafana), and rollback strategies

System Architecture & Design Patterns

• Apply proven

  software design patterns

  , microservices architecture, and

  MVC principles

• Perform code reviews and mentor junior team members
• Troubleshoot bottlenecks and implement performance improvements

Team Collaboration & Documentation

• Collaborate with

  frontend, QA, DevOps, and product teams

• Participate in

  Agile ceremonies

  like sprint planning, daily stand-ups, and retrospectives
• Maintain technical documentation for systems, flows, and APIs

Required Skills & Qualifications:

• 4+ years of backend development experience using

  Python

  and

  Node.js

• Strong knowledge of

  ERPNext

  and the

  Frappe Framework

• Deep understanding of

  MySQL

  – query optimization, schema design, migrations
• Experience building secure, scalable

  REST APIs

  and authentication systems (OAuth2/JWT)
• Strong grasp of

  AWS Cloud Services

• Hands-on with

  CI/CD pipelines

  , version control (

  Git

  ), and containerization (Docker is a plus)
• Solid understanding of software engineering principles, debugging, and testing practices

Preferred (Good to Have):

• Experience working with

  microservices

  or

  event-driven architectures

• Familiarity with tools like

  Postman, Swagger, JIRA, Trello

• Exposure to

  Docker

  ,

  Kubernetes

  , or serverless architecture
• Knowledge of

  Excel Macros

  ,

  Power BI

  , or

  automation scripts

  is a bonus