Data Engineer Sr. Consultant

NTT DATA North America
Bangalore Urban, Karnataka, India

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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