
Staff Software Engineer – Semantic Data Lake
WEX
full-time
Posted on:
Location Type: Remote
Location: California • Illinois • United States
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Salary
💰 $140,600 - $173,100 per year
Job Level
About the role
- Design and implement semantically consistent, scalable 360 data models that integrate data across domains.
- Build and maintain transformation pipelines that apply cleansing, standardization, enrichment, and derived logic to domain datasets.
- Write production-quality, testable code in SQL and Python (or equivalent)—delivering performant and maintainable data assets.
- Work closely with domain experts, data scientists, and product stakeholders to translate business concepts into interpretable, decision-ready data models.
- Implement logic for classifications, KPIs, scoring algorithms, and business rules, ensuring traceability and data lineage.
- Help define and enforce standards for data modeling, documentation, and governance within the semantic layer.
- Collaborate across teams to integrate with ingestion, MDM, and data product layers.
Requirements
- 8+ years of experience in data engineering or software engineering with a focus on data transformation, modeling, or analytics platforms.
- Strong proficiency in SQL and at least one general-purpose language such as Python or Scala.
- Experience building and scaling wide, entity-based tables and modeling domain concepts (e.g., customer, fleet, provider) into durable data objects.
- Solid understanding of data quality practices —including validation, enrichment, schema enforcement, and business rule encoding.
- Experience working with large-scale datasets and optimizing transformation pipelines for performance and maintainability.
- Comfort operating in a collaborative, cross-functional environment, balancing business logic with platform scalability.
- A mindset for traceability, reproducibility, and semantic clarity —you build data models others can trust and reuse.
- Bachelor's degree in Computer Science, Software Engineering, or related field; A Master's or PhD in the areas of Data Science, Machine Learning, Artificial Intelligence, Computer Science, or Statistics, it will be a big plus.
Benefits
- health, dental and vision insurances
- retirement savings plan
- paid time off
- health savings account
- flexible spending accounts
- life insurance
- disability insurance
- tuition reimbursement
- and more.
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
SQLPythonScaladata modelingdata transformationdata cleansingdata standardizationdata enrichmentKPI implementationdata lineage
Soft Skills
collaborationcommunicationproblem-solvingattention to detailadaptabilitycross-functional teamworkbusiness logic understandingtraceability mindsetreproducibility mindsetsemantic clarity
Certifications
Bachelor's degree in Computer ScienceBachelor's degree in Software EngineeringMaster's degree in Data ScienceMaster's degree in Machine LearningMaster's degree in Artificial IntelligenceMaster's degree in Statistics