
Senior Snowflake Data Engineer:
Wissen Technology6 days ago
Chennai, IndiaSenior
Responsibilities
- Design, develop, and maintain scalable ETL/ELT pipelines using Snowflake, AWS Glue, and Python.
- Build Snowflake data models and warehouse structures for analytics, reporting, and data science initiatives.
- Develop maintainable Python code for data processing and automation.
- Collaborate with data analysts, data scientists, architects, and business stakeholders to deliver data solutions.
- Gather requirements, recommend solution designs, and communicate technical approaches.
- Monitor, troubleshoot, and optimize workflows for reliability, performance, and data quality.
- Implement data validation, error handling, observability, and governance controls across pipelines.
- Optimize AWS cloud data-platform performance and cost efficiency.
- Mentor junior data engineers and guide technical best practices.
Requirements
- 7-12 years of data engineering experience.
- At least 7 years of Snowflake experience, including data modeling, performance tuning, security roles, and warehouse optimization.
- At least 7 years of Python experience for ETL/ELT development, automation, and data processing.
- Hands-on experience with AWS Glue, including Glue Jobs, Crawlers, Data Catalog, and serverless ETL.
- Experience designing and developing enterprise ETL/ELT pipelines.
- Experience with AWS services including S3, Lambda, and IAM.
- Knowledge of data warehousing, dimensional modeling, analytics data marts, SQL, and advanced data transformations for large-scale datasets.
- BE, BTech, ME, or MTech in Computer Science, Engineering, Information Technology, or a related field.
- Ability to independently drive end-to-end data engineering projects.
- Strong analytical, problem-solving, stakeholder management, written communication, and verbal communication skills.
- Preferred experience with healthcare data analytics or specialty pharmacy data.
- Preferred experience with Apache Airflow or AWS Step Functions.
- Preferred experience with CI/CD tools such as Git, Jenkins, or GitHub Actions.
- Preferred experience with data quality, observability, monitoring platforms, infrastructure as code, and cloud automation.
Benefits
- Hybrid work arrangement.
- Role based in Chennai.
About Wissen Technology
Wissen Technology is an IT services and consulting firm that builds custom software products, data platforms, and cloud/AI solutions for enterprises in finance, telecom, healthcare, retail, and manufacturing. It operates a services model spanning product engineering, application development, data engineering/analytics, and ERP integration, including Oracle Cloud. Founded in 2015 and headquartered in Bangalore, it is privately held with offices across India, the US, UK, UAE, and Australia.