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PRINCIPAL DATA ENGINEER

Dollar General External · TN, United States · Onsite

Strong hiring record · median 33 days open

100100

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PRINCIPAL DATA ENGINEER at Dollar General External. We’ll keep it in your applied jobs, so you can see it later and be warned before applying to the same employer twice.

A Principal Data Engineer is responsible for expanding and optimizing data and data pipeline architecture, as well as optimizing data flow and collection for cross-functional teams. This role involves building and optimizing data systems from the ground up, ensuring that data delivery architecture is consistent throughout ongoing projects. The Principal Data Engineer supports software developers, database architects, data analysts, and data scientists on data initiatives, ensuring optimal data delivery and architecture. This position requires expertise in data pipeline building and data wrangling, with a focus on enhancing data systems for improved efficiency and performance.

Job Responsibility

Develop, construct, test, and maintain data architectures

responsible for creating and maintaining optimal data pipeline architectures necessary for the organization's operational efficiency. (65%)

Collaborate with data scientists and other stakeholders

expected to collaborate with data scientists, business analysts, IT professionals, and management to assist with data-related technical issues and support their data infrastructure needs. (10%)

  • Assemble and prepare large, complex data sets to meet functional business requirements: required to work with different teams to understand their data needs and ensure those needs are met. (10%)

Build analytics tools

This will involve developing tools that utilize the data pipeline to provide actionable insights into key business performance metrics. (5%)

Maintain data security and compliance

ensure systems meet industry practices and business requirements for data privacy and protection. (5%)

Identify, design, and implement internal process improvements

This includes optimizing data delivery, automating manual processes, and re-designing infrastructure for greater scalability. (3%)

Keep up-to-date with the latest technology trends

Continually learn and adapt to new technologies that could improve existing systems. (2%)

Job Qualifications

  • Hands on experience with programming languages (e.g. Python, SQL, GoLang)
  • Knowledge with SQL database design concepts and Data Models
  • Great numerical and analytical skills
  • Degree in Computer Science, IT, or similar field; a Master’s is a plus
  • Data engineering certification (e.g., Cloud Engineer, Data Engineer) is a plus

Experience with big data tools

Hadoop, Spark, Kafka, etc.

  • Experience with relational SQL and NoSQL databases, including MongoDG, Postgres and/or Cassandra.

Experience with data pipeline and workflow management tools

Airflow, Dataflow, Composer, etc.

Experience with GCP, Snowflake, Azure cloud services

BQ, Dataflow, Redshift

Experience with stream-processing systems

Kafka, Spark-Streaming, etc.

  • Good knowledge of software engineering principles, methodologies, and current best practices.
  • Able to multitask and shift priorities as needed.
  • Able to use BI Tools for data analysis and data QA.

Education/Experience

  • 9+ years experience and a degree in information technology or computer science with additional vendor-specific certification.
  • BS or MS degree in Computer Science or a related technical field
  • 4+ years of Python or Java development experience
  • 4+ years of SQL experience (No-SQL experience is a plus)
  • 4+ years of experience with schema design and dimensional data modeling
  • Ability in managing and communicating data warehouse plans to internal clients
  • Experience designing, building, and maintaining data processing systems
  • Experience working with a cloud platform such as Snowflake / Azure or Databricks

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