Job Title: Senior Software Engineer – Backend (Python | Flask | MySQL | AWS)
Experience: 4-6 yrs
Job Type: Full-Time (On Site)
Location: New Delhi
CTC: ₹10-12 LPA
Key areas of responsibility include:
● Design, develop, and maintain scalable backend services and REST APIs.
● Build end-to-end features across order management, warehouse operations, inventory, billing, and fulfillment workflows.
● Design and optimize database schemas, SQL queries, and data migration strategies.
● Integrate with third-party platforms including shipping carriers, accounting software, and marketplace APIs.
● Develop and maintain background jobs, scheduled tasks, and automation processes.
●Investigate and resolve complex production issues across applications, databases, and infrastructure.
●Ensure application reliability, performance, scalability, and data integrity.
● Participate in code reviews and contribute to engineering best practices.
● Collaborate with cross-functional teams while independently driving technical solutions.
What You'll Work
On Backend Development
● Develop and maintain enterprise-grade backend applications using Python and Flask.
● Build scalable REST APIs and backend services.
● Design and implement complete features from database to deployment.
● Work across modules including order management, warehouse management, inventory, billing, and customer portals.
Database & Data Engineering
● Design and optimize MySQL databases.
● Write efficient SQL queries, stored procedures, and complex joins.
● Perform query optimization, indexing, transaction management, and database performance tuning.
● Execute database migrations while ensuring data integrity.
API Integrations
● Integrate with third-party platforms including logistics providers, shipping carriers, accounting systems, and marketplace APIs.
● Develop secure REST API integrations using authentication mechanisms such as OAuth and API Keys.
● Troubleshoot API failures, webhook issues, and synchronization problems.
Background Jobs & Automation
● Develop and maintain scheduled jobs, asynchronous workflows, and automation processes.
● Build automation for inventory synchronization, billing reconciliation, reporting, and order processing.
● Ensure reliability and performance of recurring background tasks.
Production Support & System Reliability
● Investigate production issues across applications, APIs, databases, and infrastructure.
● Perform root cause analysis and implement permanent solutions.
● Monitor application performance and maintain production stability.
● Support deployment activities and release management processes.
Cloud & DevOps
● Work with Docker-based development environments.
● Support CI/CD pipelines using GitHub Actions.
● Deploy and maintain applications on AWS infrastructure.
● Assist in infrastructure optimization and production deployments.
Tech Stack
● Python
● Flask
● MySQL 8
● SQLAlchemy
● PyMySQL / MySQL Connector
● Docker
● Git & GitHub Actions
● AWS (EC2, ECS, ECR, S3)
● Redis
● Pandas, NumPy
● Nginx
● REST APIs
● GitHub
Must-Have Skills
● 4–6 years of hands-on experience in Backend Development using Python.
● Strong expertise in Flask framework.
● Advanced knowledge of MySQL, SQL optimization, indexing, transactions, and database performance tuning.
● Experience designing and developing RESTful APIs.
● Strong understanding of SQLAlchemy an d MySQL database drivers.
● Experience with Docker and containerized application development.
● Proficiency with Git, including branching strategies, rebasing, merge conflict resolution, and pull request workflows.
● Experience working with CI/CD pipelines using GitHub Actions.
● Strong debugging, analytical, and problem-solving skills.
● Experience working on large-scale production applications.
● Excellent written and verbal communication skills.
Application Question(s):
- Are you qualified with Diploma/Degree in B.Tech or relevant field?
- are you most comfortable with location Punjabi bagh, Delhi?
- what is your current annual salary / ctc?
- what is your expected annual salary / ctc?
- How many years of Proven experience in Backend (Python | Flask | MySQL | AWS) ?
- what is your notice period? (in days)
Work Location: In person
