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Senior Snowflake Developer

Apollo Technology Solutions LLC Trenton, NJ

Trenton, NJ

Today

Contract Senior Cloud Cloud Platform

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Job Description

Contract, onsite Senior Snowflake Developer role in Trenton, NJ, focused on designing, developing, and optimizing Snowflake data solutions, ELT pipelines, and data governance within an Agile environment.

Responsibilities

Create and sustain Snowflake schemas, data models, and data lake architectures
Build efficient automated ELT pipelines to ingest data from a variety of enterprise sources into Snowflake
Craft data transformation workflows using dbt and Snowflake features such as tasks and streams
Develop custom data engineering scripts, automation pipelines, and UDFs with Python and Snowpark
Tune query performance and virtual warehouse sizing via query profiles and automatic clustering
Monitor and optimize Snowflake credit usage and warehouse costs
Develop complex SQL queries, analytic functions, and advanced stored procedures
Implement strong security and data governance controls including RBAC, masking policies, and encryption
Establish automated data quality validation frameworks, monitoring alerts, and observability dashboards
Manage database infrastructure and dbt models as code in Git with automated CI/CD deployment pipelines
Implement disaster recovery using Snowflake replication, failover groups, and Time Travel
Collaborate with cross-functional data, science, and analytics teams in an Agile Scrum environment

Requirements

Bachelor's or Master's degree in computer science, data engineering, or a related field
7+ years of experience in data warehousing, data modeling, and enterprise data engineering
3+ years of direct, hands-on production engineering experience inside Snowflake
Strong proficiency in Python development for data engineering, including hands-on Snowpark
Proven production experience using modern transformation tools, specifically dbt
Solid experience with Snowflake cost management, infrastructure optimization, and performance tuning
Deep understanding of enterprise data security, RBAC, and governance compliance
Experience managing infrastructure as code via Git and automated CI/CD deployment pipelines
Excellent problem-solving, communication, and Agile collaboration skills

Preferred

Snowflake certifications such as SnowPro Core or Advanced
Agile Scrum team collaboration experience

Technologies

Snowflake
dbt (Data Build Tool)
Python
Snowpark
SQL
Git
Snowflake Replication
Failover Groups
Time Travel

Physical Demands

Ability to safely perform essential job functions in accordance with ADA and applicable standards
Capability to conduct repetitive computer-based tasks using a mouse, keyboard, and monitor
Ability to communicate with customers and team members by phone and in person
Predominantly sedentary work with occasional movement around the office to attend meetings

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