ETL Developer Snowflake and AWS

Position: ETL Developer with Snowflake and aws.

Location:

Stamford, CT Duration:
Longterm Contract Key Responsibilities

• Design, develop, and maintain ETL/ELT processes to load data into Snowflake
  .
• Integrate data from multiple sources (databases, APIs, SaaS platforms, flat files, cloud services).
• Write and optimize SQL queries, stored procedures, and transformations
  .
• Work closely with the ETL Architect to implement best practices for data integration and performance.
• Conduct data profiling, validation, and quality checks to ensure accuracy and completeness.
• Monitor and troubleshoot ETL workflows, ensuring timely resolution of issues.
• Collaborate with data architects, BI developers, and business stakeholders to deliver reliable datasets.
• Participate in performance tuning, cost optimization, and workload management in Snowflake.
• Contribute to process automation and continuous improvement initiatives.

• 7-10 years of experience in ETL/ELT development.
• Strong hands‑on experience with ETL tools (
  Informatica, Talend, Matillion, SSIS, AWS Glue, DBT, Fivetran
  ).
• Expertise in Snowflake including query tuning, warehouse optimization, and data loading techniques.
• Strong proficiency in SQL and relational database concepts.
• Experience with varied data sources such as Oracle, SQL Server, SAP, Salesforce, REST APIs, flat files.
• Solid understanding of data warehousing concepts (star schema, snowflake schema, dimensional modeling).
• Hands‑on experience with at least one cloud platform (AWS/Azure/GCP).
• Good communication and problem‑solving skills.