What’s expected of a Senior Data Engineer at Dwolla?
- Design, build, monitor, and maintain infrastructure-as-code AWS-based data pipelines and warehousing tooling to support both internal and client-facing use cases.
- Write and optimize Python code for ETL and other jobs to populate the Dwolla Data Lake and integrate with Salesforce (and related tools).
- Help define and implement the principles and technologies for a Data Lifecycle to enable application of CI/CD principles to data problems while ensuring integrity, security, privacy, and performance.
- Support the Technology department’s use of a combination of AWS database technologies through advising on implementations, troubleshooting, and maintenance.
- Partner with other engineers and data specialists in writing and optimizing queries or developing performant schemas with consideration for security and privacy.
- Assist other Engineers in supporting highly-available RDS database instances including user management, configuration, migrations, and performance troubleshooting.
- Contribute to plans and exercises to ensure databases and data pipelines are resilient to outages and recoverable in the event of a disaster.
- Communicate technical decisions through RFCs, design docs, technical training, and the wiki.
- Mentor other engineers via pairing, design review, and code review.
What are the preferred qualifications for this position?
- Experience implementing relevant AWS technologies for the purposes of building data pipelines and executing extract, transform, load (ETL) jobs.
- Experience with infrastrastructure-as-code (i.e., Terraform, CloudFormation) methodologies.
- Experience with distributed computing technologies such as Spark.
- Experience designing and reviewing multi-function Python programs in accordance with style and security guidelines.
- Experience optimizing SQL queries for high performance.
- Experience with AWS database solutions such as RDS, DynamoDB and Redshift.
- A knack for seeking empirical evidence through proofs of concept, tests and external research.
- Empathy with the user of the work you are producing to guide decision-making.
- Strong analytical thinking and troubleshooting skills.
- Strong written and verbal communication skills.
- Typically requires 5+ years of experience in a closely-related role. Education and certifications are valued and may contribute towards this criteria as applicable.
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