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. -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 -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 -Perform root cause analysis and implement permanent solutions. -Support deployment activities and release management processes.

Cloud & DevOps -Work with Docker-based development environments. -Support CI/CD pipelines using GitHub Actions. -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. -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. -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

📌 Senior Software Engineer (Delhi)
🏢 Orbitouch Outsourcing Private
📍 Delhi