Senior Data Engineer - Snowflake

Staples India; Chennai District; On-site; INR 1,500,000 - 2,300,000; Full time

Job summary

Staples India Business Innovation Hub Private Limited is seeking a data engineer to design, develop, and optimize ETL/ELT pipelines. You will write and tune advanced SQL for large-scale data processing, and build data warehouses with star schemas to support analytics.

You will translate business requirements into robust data solutions, partner with analysts and stakeholders, implement tests, document decisions, and mentor junior engineers while ensuring reliable, cost-efficient operations in

Qualifications

• Bachelor's degree in computer science, information systems, engineering, or related field.
• 4–7 years of hands-on experience in data engineering or related fields.
• Expertise in writing complex SQL queries, tuning and optimizing on cloud data warehouses.
• Strong experience with data warehousing concepts, design, and implementation.

Responsibilities

• Lead the design, development, and optimization of ETL/ELT pipelines and workflows.
• Write, tune, and optimize advanced SQL queries for large-scale data processing.
• Build and maintain data warehouses and data models (relational, dimensional, star schema).
• Translate business requirements into robust, reusable data solutions.
• Partner with analysts, data scientists, and stakeholders to deliver trusted datasets.
• Implement and maintain tests, validation frameworks to ensure pipeline reliability.
• Document workflows and design decisions to support knowledge sharing.
• Apply coding standards, CI/CD, and version control for quality deliverables.
• Monitor, optimize, and troubleshoot pipelines for performance and cost efficiency.
• Mentor associate engineers with technical guidance and feedback.

Skills

SQL mastery

Data warehousing

Python

Cloud platforms

Airflow

Stakeholder mgmt

Mentoring

ETL/ELT scripting

Education

Bachelor's degree in CS/IS/Engineering

Tools

Snowflake

Airflow

DBT

Kafka

Job description

Staples India Business Innovation Hub Private Limited | Permanent

• Lead the design, development, and optimization of ETL/ELT pipelines and workflows
  
• Write, tune, and optimize advanced SQL queries for large-scale data processing
  
• Build and maintain data warehouses and data models (relational, dimensional, star schema)
  
• Translate business requirements into robust, well-architected, and reusable data solutions
  
• Partner with analysts, data scientists, and stakeholders to deliver trusted, actionable datasets
  
• Implement and maintain unit tests, integration tests, and validation frameworks to ensure pipeline reliability
  
• Document workflows, and design decisions to support knowledge sharing and operational continuity
  
• Apply coding standards, CI/CD practices, version control, and peer code reviews to ensure high-quality deliverables
  
• Proactively monitor, optimize, and troubleshoot pipelines for performance, scalability, and cost efficiency
  
• Support deployments and handle post-production monitoring and incident resolution
  
• Mentor associate engineers, providing technical guidance and feedback
  

Requirements

Basic Qualifications:

• Bachelor’s degree in computer science, Information Systems, Engineering, or a related field
  
• 4–7 years of hands-on experience in data engineering or related fields
  
• Expertise in writing complex SQL queries, optimizing, using advanced functionals and turning the performance on cloud data warehouse environment.
  
• Strong experience with data warehousing concepts, design, and implementation
  
• Minimum 3 years of hands-on experience with Snowflake or modern cloud data warehouse
  
• Minimum 2 years of hands-on experience in data modeling
  
• Minimum 1 year of hands-on Python development (ETL/ELT scripting, OOP, automation)
  
• Strong knowledge of at least one major cloud platform (AWS, Azure, or GCP)
  
• Experience with orchestration tools (e.g., Airflow, ADF, Luigi) for workflow management
  
• Demonstrated ability to lead and mentor teams while managing multiple priorities
  
• Strong communication and stakeholder management skills
  
• Strong hands-on experience with data warehousing concepts, design, and implementation
  

Preferred Qualifications:

• Hands-on experience with DBT (Data Build Tool) for data transformations
  
• Familiarity with DevOps and CI/CD best practices in data engineering
  
• Exposure with real-time/streaming platforms (Kafka, Spark Streaming, Flink)
  
• Exposure to the e-commerce domain or large-scale B2B/B2C environments
  
• Has the ability to break down problems and estimate time for development tasks
  
• Experience mentoring and guiding junior engineers
  
• Understands the technology landscape, up to date on current technology trends and new technology, brings new ideas to the team
  
• Learns organization vision statement and decision-making framework. Able to understand how team and personal goals/objectives contribute to the organization vision