Data Engineer Sr. Consultant
Bengaluru · Senior
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Our tracked job listings for NTT DATA, Inc. show strong recent activity.
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Job description
Python Data Engineer & Automation Developer (5–7 years of experience)
Python Development & Data Engineering
- ETL/ELT Pipeline Development: Design, develop, and maintain robust, reusable Python-based ETL/ELT pipelines to extract, transform, and load data from cloud data warehouses, specifically Snowflake.
- Data Modeling & Reconciliation: Build and optimize scalable data models, handling complex business logic, historical data snapshotting, and rigorous data reconciliation.
- Programmatic Charting & Visualization: Design and generate complex financial charts (stacked bar, line, area, and matrix heatmaps) programmatically using Python visualization libraries to embed directly into automated PDF reports.
- Automated Document Generation: Develop programmatic document generation engines (e.g., PDF/report generation using ReportLab, WeasyPrint, or FPDF2) and automate secure distribution workflows.
- General Automation & Scripting: Write clean, modular, and well-documented Python code to support diverse backend engineering, automation, and scripting tasks.
- API Integration: Design, build, and integrate custom REST APIs and connectors to sync data across disparate enterprise systems.
- Workflow Orchestration: Automate, schedule, and monitor end-to-end data workflows and system processes to ensure high availability and reliability.
- Performance Optimization: Troubleshoot, debug, and optimize database queries and Python scripts for maximum performance.
Required Qualifications
- Bachelor’s degree in Computer Science, Information Systems, Software Engineering, Data Analytics, or a related field.
- 5–7 years of professional experience in Python development, data engineering, or backend software automation.
- 3+ years of hands-on experience writing complex SQL queries and working with cloud data warehouses (Snowflake preferred).
- Strong proficiency in Python data manipulation libraries (Pandas, NumPy) and database connectors (Snowflake Connector for Python).
- Strong hands-on experience with Python data visualization libraries such as Matplotlib, Seaborn, Plotly (static export), or ReportLab Drawing/Charts.
- Proven experience with programmatic document generation, HTML/CSS templating (e.g., WeasyPrint), or automated reporting solutions.
- Solid understanding of data modeling, ETL/ELT processes, API integrations, and software design patterns.
- Strong analytical, debugging, and problem-solving skills with excellent attention to detail.
Preferred Qualifications
- Experience working in Banking, Financial Services, Capital Markets, or other highly regulated environments.
- Experience with cloud orchestration tools (AWS Lambda, or Snowflake Tasks).
- Familiarity with CI/CD pipelines, version control (Git), and agile development methodologies.
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