Jobs at WEX Inc.

Build and operate a new full-stack payment and expense management platform from architecture through production. Develop backend services, APIs, data models, web and mobile capabilities, and partner integrations. Establish secure engineering, testing, observability, and production-readiness practices. Collaborate with product, design, security, and distributed engineering teams; review code, resolve complex issues, manage technical risks, mentor engineers, and own technical outcomes through continuous improvement.

Own the technical direction and delivery of WEX’s data acquisition platform. Build reusable, high-performance batch, CDC, and streaming ingestion services with schema validation, reconciliation, recovery, lineage, security, observability, and auditability. Lead architecture and code reviews, establish testing and CI/CD practices, mentor engineers, resolve cross-team dependencies, and support production escalations. The role requires hands-on development of scalable distributed systems and configuration-driven connectors.

The Staff Software Development Engineer will design and develop web applications, lead automation testing strategies, and collaborate on user experiences, utilizing strong front-end skills and full-stack exposure.

Own and scale a multi-cloud data platform across AWS and Azure. Manage Apache Airflow, Kubernetes, Terraform, Helm, ArgoCD, CI/CD, observability, big data infrastructure, governance tooling, and FinOps initiatives. Provide end-to-end architectural and operational ownership, improve developer tooling, define platform roadmaps, manage incidents, enforce engineering standards, and mentor data platform engineers.

The role involves designing and developing high-performance web apps, improving user interfaces, maintaining component libraries, and ensuring code quality through comprehensive testing and collaboration with other teams.

Develop and maintain reliable platforms through automation, observability, incident response, performance optimization, and infrastructure improvements. The role collaborates with engineering teams, supports 24x7 reliability rotations, troubleshoots complex issues across code and infrastructure, and improves operational processes. Required experience includes SRE or equivalent work, software development, cloud platforms, monitoring, databases, and containerization. Preferred skills include Terraform, REST APIs, Grafana, Splunk, Agile, and GitOps.

Manage corporate payment network products and implementations, including card products, BINs, currencies, processor configurations, and compliance with Mastercard and Visa requirements. Coordinate cross-functional teams, vendors, engineering, treasury, fraud, accounting, and operations. Review network mandates, prioritize backlogs, define requirements, manage testing and approvals, improve workflows, and support product lifecycle delivery while evaluating AI and automation opportunities.

Own the strategy, roadmap, discovery, and delivery of embedded payments products and platform capabilities. Partner with engineering on payment APIs, infrastructure, architecture, and Scrum team delivery. Use customer insights and product data to prioritize roadmaps, measure outcomes, modernize payment capabilities, and support partner integrations. Collaborate across product, engineering, analytics, UX, and business teams while considering compliance, risk, fraud, and confidential information.

Manages investment operations for HSA custody activities, including complex reconciliations, discrepancy resolution, liquidations, buy/sell inquiries, corporate actions, fees, and broker-dealer oversight. Develops procedures, supports regulatory compliance and KPI reporting, resolves escalated operational issues, and participates in system and regulatory initiatives. The role also drives process automation, operational scalability, risk mitigation, and cross-functional collaboration with custodians, compliance, technology, product, and customer support teams.

Owns end-to-end product design for native iOS and Android mobile applications, from customer discovery and UX research through prototyping, UI design, launch, and iteration. Partners with Product and Engineering to create usable, accessible, and feasible experiences, including AI-driven workflows. Conducts usability testing, maps user journeys, communicates design rationale, and works within an AI-assisted development lifecycle.

Develops new B2B corporate payments business within an assigned territory, focusing on virtual card and accounts payable opportunities. Responsibilities include prospecting, lead qualification, consultative solution selling, full-cycle sales, contract negotiation, presentations, forecasting, CRM maintenance, and relationship management with executive and technical stakeholders. The role requires collaboration with internal operations teams, achievement of sales targets, and approximately 30–40% travel plus regular headquarters visits.

The Product Manager will execute the roadmap for WEX’s over-the-road payments platform, owning backlogs, requirements, user stories, feature delivery, and product analytics. The role supports legacy platform modernization and customer migrations while partnering with engineering, QA, UX, and operations. Responsibilities include user discovery, journey mapping, usability refinement, Agile delivery, AI-enabled workflow improvements, and data-driven iteration across web and mobile experiences.

Lead the migration of a legacy digital credit application monolith to a cloud-native Java and Spring Boot microservices ecosystem. Design modular adjudication services, versioned REST and gRPC APIs, event-driven integrations, zero-downtime migration strategies, and A/B testing infrastructure. Drive AI-assisted development, observability, CI/CD, contract testing, Salesforce synchronization, and collaboration with data science teams. Mentor engineers and provide technical leadership across complex fintech, lending, and credit systems.

Conducts AML transaction monitoring alert reviews, initial and ongoing investigations, and suspicious activity determinations involving fraud, account takeovers, and BSA/AML referrals. Documents findings, manages investigation caseloads, meets performance and service-level targets, escalates risks, and works independently under regulatory and contractual requirements. Supports process improvement and responds to quality feedback. Requires basic BSA/AML, fraud, and OFAC knowledge, strong organization, discretion, and the ability to manage competing priorities.

Designs, develops, and supports scalable backend services, REST and gRPC APIs, automated testing, monitoring, and continuous delivery. Leads system architecture and technical initiatives, performs code reviews, mentors engineers, troubleshoots production issues, and documents designs and operational procedures. The role also supports major customer implementations and integrations on the IBM iSeries platform while collaborating with product, engineering, and customer stakeholders.

Own post-sale relationships with referral partners, driving adoption, retention, renewals, expansion, and revenue growth. Serve as a strategic advisor, lead business reviews, resolve escalations, coordinate cross-functional teams, enable product usage, and advocate for partner needs. Maintain partner records and report on satisfaction, renewal, and revenue metrics while developing success strategies and playbooks.

The Principal AI/ML Engineer will lead the development of AI/ML platforms, drive technology architecture, ensure quality and integration, and provide strategic leadership while managing a team of engineers.

Architect, build, and deploy production-grade AI/ML platforms and LLM/RAG solutions. Lead system design, CI/CD and Terraform-based IaC, ensure reliability and monitoring, mentor engineers, run incident response, and prototype emerging AI technologies.

Leads business intelligence, workflow automation, and data stewardship for financial risk operations. Builds governed Tableau and Power BI reporting environments, develops Python, SQL, RPA, and ETL solutions, analyzes trends, and delivers predictive insights. Maintains audit-ready controls, data integrity, version management, error handling, and compliance. Partners with stakeholders to modernize manual processes, improve efficiency, track operational performance, and scale self-service analytics.

Develop new corporate payments business across California by identifying prospects, generating leads, managing full sales cycles, negotiating contracts, presenting proposals, forecasting revenue, and exceeding sales quotas. The role focuses on B2B payment optimization and virtual card opportunities, requires strong executive and technical stakeholder relationships, and involves collaboration with internal operations teams to ensure effective service delivery.