Principal Software Engineer

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Principal Software Engineer in USA new

WEX
Full time
Email

USA
11/08/2026
Report

Remote

Responsibilities

Define architecture and technical direction for the Semantic Data Lake and next-generation Data-as-a-Service platform.
Design and build semantic business objects containing enterprise data, relationships, business context, metrics, rules, lineage, quality, and governance.
Develop scalable frameworks and standards for semantic objects across multiple business domains.
Build platform capabilities for semantic modeling, ontology, metadata, knowledge graphs, data quality, lineage, data contracts, and governance.
Translate complex business concepts into reusable technical models and platform capabilities.
Enable AI and agentic applications to discover, understand, reason over, and safely use trusted enterprise data.
Design reusable APIs, services, frameworks, and developer experiences for data products and AI experiences.
Solve distributed systems, data processing, scalability, reliability, and performance challenges.
Establish architectural standards, influence adoption across teams, mentor engineers, and provide technical guidance.
Remain hands-on with architecture, design, prototyping, code, and critical platform components.

Requirements

10+ years of experience in software engineering, data engineering, distributed systems, data platforms, or related technology areas.
Experience operating at Staff, Principal, or equivalent technical scope.
Deep software engineering and distributed systems expertise building large-scale production platforms.
Strong understanding of modern data architecture, large-scale data processing, streaming, lakehouse architectures, data products, and distributed systems.
Deep understanding of semantic data technologies; direct experience building a semantic data layer is strongly recommended.
Experience with semantic modeling, ontology, metadata platforms, knowledge graphs, data catalogs, enterprise data modeling, or related technologies.
Ability to translate complex business concepts into scalable abstractions and reusable platform capabilities.
Understanding of data quality, governance, lineage, security, privacy, and operational reliability.
Experience building platforms adopted by multiple engineering teams, business domains, or product organizations.
Strong architectural judgment, technical influence, cross-functional alignment, and communication skills.
Preferred experience with AI/ML, generative AI, RAG, agentic applications, knowledge representation, semantic search, context engineering, graph technologies, or modernization of enterprise data ecosystems.
Preferred experience with Spark, Flink, Kafka, Iceberg, Snowflake, Databricks, cloud-native data services, graph databases, or equivalent large-scale data technologies.

Benefits

Health, dental, and vision insurance.
Retirement savings plan, paid time off, health savings account, flexible spending accounts, life insurance, disability insurance, and tuition reimbursement.
Non-sales roles are typically eligible for a quarterly or annual bonus under the applicable plan.

Salary: $201k - $250k/yr

WEX

WEX (NYSE: WEX) is the global commerce platform that simplifies the business of running a business. WEX has created a powerful ecosystem that offers seamlessly embedded, personalized solutions for its customers around the world. Through its rich data and specialized expertise in simplifying benef...

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