Blockchain Technologies. LLC
ETL Developer with Snowflake and AWS
Blockchain Technologies. LLC, Stamford, Connecticut, United States, 06925
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. Required Skills & Qualifications 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. BLOCKCHAIN TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. BLOCKCHAIN TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will BLOCKCHAIN TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract
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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. Required Skills & Qualifications 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. BLOCKCHAIN TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. BLOCKCHAIN TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will BLOCKCHAIN TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract
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