WEX · 1 day ago
Mid-Level Software Engineer - Semantic Data Modeling
Chicago, IL
Full-time
Hybrid
Mid Level
$94K/yr - $125K/yr
3+ years expWEX is on a mission to transform its data into a strategic, enterprise-wide asset. As a Software Engineer on the Semantic Data Modeling team, you will help build the core data foundation that defines how we structure, transform, and understand key business entities across various domains.
Financial ServicesFinTechPaymentsSoftware
Responsibilities
Develop and maintain semantically consistent 360 data models used across WEX products and business functions
Collaborate with senior engineers and architects to build robust, reusable data transformations and derived attributes
Write clean, scalable, and testable code to implement complex logic across wide, entity-based data tables
Help improve data standardization, enrichment, validation, and schema enforcement throughout the modeling layer
Participate in design discussions, code reviews, and backlog grooming for semantic layer initiatives
Work cross-functionally with data acquisition, data products, and business teams to deliver trusted data assets
Gain a good understanding of data and the business/product and user experience logic behind the data
Document technical approaches and ensure traceability of business logic and data derivation
Qualification
Required
3–6 years of experience as a software or data engineer, preferably in environments working with large-scale datasets and complex transformations
Strong programming skills in SQL and at least one general-purpose language (Python, Scala, or similar)
Understanding of data modeling principles—especially entity-centric and wide-table designs
Familiarity with software engineering practices: testing, version control, modularization, documentation
A mindset for scalability, quality, and clarity—you care about getting things right, not just getting them done
Curiosity, ownership, and a collaborative approach to building shared systems and platforms
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
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
2026-01-03
2025-12-05
2025-12-02
Company data provided by crunchbase