Snowflake Developer

Cognizant
Municipality of Madrid, Spain
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English

Job location

Municipality of Madrid, Spain

Tech stack

Amazon Web Services (AWS)
Azure
Cloud Computing
Continuous Integration
ETL
Data Warehousing
DevOps
Python
Performance Tuning
Query Optimization
Role-Based Access Control
Standard Sql
Shell Script
Simple Data Format
Data Streaming
Teradata
Scripting (Bash/Python/Go/Ruby)
Informatica Powercenter
Snowflake
Data Pipelines

Job description

We are looking for a Senior Snowflake Engineer to lead the design, build and delivery of our client's Teradata-to-Snowflake migration. You will own end-to-end pipeline architecture using IDMC, optimise performance and cost at scale, and ensure data quality, security and governance across the programme. This is a high-impact, client-facing role within a fast-paced, cross-functional delivery team operating in the BFSI domain., · Lead the Teradata * Snowflake migration lifecycle: assessment, planning, execution and cutover readiness.

· Design Snowflake data models and objects; architect and build ETL/ELT pipelines using IDMC (preferred).

· Optimise performance and cost: warehouse sizing, clustering/partitioning and query tuning.

· Implement Snowflake capabilities including Snowpipe, Streams/Tasks and Time Travel.

· Manage secure access: RBAC, encryption, storage integrations and external stages.

· Rewrite and optimise Teradata SQL; convert Teradata-specific functions to Snowflake equivalents.

· Automate operational tasks using Python and/or Shell scripting.

· Perform source-to-target data reconciliation and validate transformation logic.

· Document solutions, data flows and design decisions; communicate progress to stakeholders.

Requirements

· Strong Snowflake architecture expertise and hands-on SQL skills (performance tuning and optimisation).

· Proven Teradata SQL knowledge including utilities, functions and migration/conversion experience.

· Solid background in data warehousing and ETL/ELT design; hands-on IDMC experience preferred.

· Deep knowledge of Snowflake features: Snowpipe, Streams/Tasks, Time Travel/Cloning, micro-partitions, stages, file formats and RBAC.

· Cloud platform experience: Azure, AWS or GCP.

· Scripting proficiency in Python and/or Shell for automation and pipeline support.

· CI/CD and DevOps practices applied to data pipelines.

Nice to have:

· BFSI domain experience.

· Informatica PowerCenter background.

· SnowPro certification.

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