WEX · 9 hours ago
Senior Software Engineer | Semantic Data Modeling
United States
Full-time
Remote
Mid, Senior Level
$122K/yr - $146K/yr
4+ years expWEX is reimagining its enterprise data platform, and they are seeking a Senior Software Engineer on the Semantic Data Modeling Team. The role involves designing, building, and maintaining core data objects to transform raw data into meaningful business assets.
Financial ServicesFinTechPaymentsSoftware
Responsibilities
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
Qualification
Required
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
Bachelor's degree in Computer Science, Software Engineering, or related field
Preferred
A Master's or PhD in the areas of Data Science, Machine Learning, Artificial Intelligence, Computer Science, or Statistics
Benefits
Health, dental and vision insurances
Retirement savings plan
Paid time off
Health savings account
Flexible spending accounts
Life insurance
Disability insurance
Tuition reimbursement
More
Company
WEX
Wex is a financial technology service provider for fleet, travel and healthcare industries.
5001-10000 employees
H1B Sponsorship
WEX has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (22)
2024 (10)
2023 (12)
2022 (20)
2021 (14)
2020 (18)
Funding
Current Stage
Public CompanyTotal Funding
$900MKey Investors
Warburg Pincus
2025-02-25Post Ipo Debt· $500M
2020-06-30Post Ipo Equity· $90M
2020-06-30Post Ipo Debt· $310M
Leadership Team
Melissa Smith
Chair and Chief Executive Officer
Sachin Dhawan
Chief Technology Officer
Recent News
Morningstar.com
2026-01-22
2026-01-20
2026-01-20
Company data provided by crunchbase