Senior Software Engineer – Semantic Data Modeling
WEX
full-time
Posted on:
Location Type: Hybrid
Location: Portland • California, Illinois, Maine, Texas, Washington • 🇺🇸 United States
Visit company websiteSalary
💰 $120,000 - $160,000 per year
Job Level
Senior
Tech Stack
PythonScalaSQL
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
- 4+ 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
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
SQLPythondata modelingdata transformationdata cleansingdata standardizationdata enrichmentKPI logicscoring algorithmsdata lineage
Soft skills
collaborationcommunicationproblem-solvingattention to detailcross-functional teamworkbusiness logic balancingtraceability mindsetreproducibility mindsetsemantic claritydocumentation