SeniorSQL Developer

Role Overview We are seeking a Senior SQL Developer with deep Snowflake expertise to support and enhance our cloud data platform. This role demands advanced SQL proficiency, hands-on experience with Snowflake data warehousing, and strong capability in building, optimizing, and maintaining ELT pipelines using Matillion. Core Technical Responsibilities Advanced SQL Development Design and implement complex SQL transformations using: CTEs, subqueries, window functions, analytical functions Query refactoring for performance and readability Optimize SQL for large-volume datasets and high-concurrency workloads Perform query performance tuning and troubleshooting in Snowflake Review and refactor existing SQL logic to improve efficiency and maintainability Snowflake Data Engineering Develop and manage Snowflake objects, including: Schemas, tables (transient, temporary), views, materialized views Stages, file formats, internal/external storage integrations Implement and optimize: Snowflake virtual warehouses (size, auto-suspend/resume, cost optimization) Clustering and micro-partition awareness Apply best practices for: Data loading and unloading (COPY INTO, Snowpipe – if applicable) Secure data access using roles and privileges Monitor and improve Snowflake query and storage costs Matillion ELT Development Design, develop, and maintain Matillion pipelines for ELT workflows Implement parameterized, reusable, and scalable job designs Manage job dependencies, orchestration, and error handling Optimize ELT workflows for performance and reliability in Snowflake Data Modeling & Architecture Design and support dimensional and analytical data models (fact/dimension structures) Handle intermediate to advanced transformation logic Ensure data quality, consistency, and accuracy across layers Collaborate with downstream consumers (BI, reporting, analytics teams) Must-Have 8+ years of hands-on SQL development with proven advanced-level capability Strong experience with Snowflake in production environments Strong experience using Matillion for ELT development Deep understanding of: Data warehousing concepts ELT vs ETL patterns Performance tuning and optimization Ability to work independently on complex tasks with minimal supervision Strong debugging, problem-solving, and analytical skills Good-to-Have Experience with cloud platforms (AWS / Azure / GCP) Exposure to CI/CD for data pipelines Experience mentoring or reviewing code for junior developers Familiarity with data governance, auditing, or data quality frameworks Must-Have Skills Must Have • 8+ years of hands on SQL development with proven advanced level capability • Strong experience with Snowflake in production environments • Strong experience using Matillion for ELT development • Deep understanding of: o Data warehousing concepts o ELT vs ETL patterns o Performance tuning and optimization • Ability to work independently on complex tasks with minimal supervision • Strong debugging, problem solving, and analytical skills