About the Role
At WEX, a Software Development Engineer (SDE) Level 4 is a recognized Staff/Lead technical expert who provides cross-platform strategic leadership. You will influence global system architecture, help define enterprise-wide standards, and actively participate in the functional design/redesign of business processes to maximize AI and automation.
In this role, you will act as a visionary builder and strategic anchor for WEX’s AI-driven opportunities. You will architect complex autonomous systems, champion enterprise-wide AI adoption, and define the orchestration logic that enables next-generation agentic AI to scale securely and efficiently across multiple domains and services.
How you'll make an impact
AI & Agentic Engineering
Autonomous System Architecture: Architect complex autonomous systems and design multi-agent workflows, defining orchestration logic across multiple domains and services while handling advanced state management, memory persistence, and tool interactions.
Advanced AI Leverage & Mentorship: Champion the secure integration of LLMs into enterprise process workflows. Mentor senior engineers across the organization on advanced AI leverage and agentic design patterns.
Strategic AI Adoption: Filter industry AI trends through rigorous cost-benefit analysis. Build prototypes and "Golden Paths" that enable other teams to adopt high-value, cutting-edge technologies safely and rapidly.
Architecture & System Design
Cross-Platform Leadership: Solve architectural bottlenecks that cross team boundaries. Review designs from other teams to ensure consistency and define the "Golden Path" for how disparate services should communicate.
Security by Design: Lead Threat Modeling sessions to ensure security across multiple teams. Participate in the definition of security and compliance standards for enterprise AI adoption.
Enterprise Quality Standards: Demonstrate high standards for Code and Configuration Quality. Define style guides, documentation templates, and configuration guardrails, and build shared custom components or configuration frameworks.
Cloud Infrastructure, Reliability & CI/CD
Reusable Tooling & CI/CD: Create reusable CI/CD templates (e.g., Helm Charts, Argo Workflows), deployment modules, and automated sandbox-seeding scripts that standardize how other teams deploy and enforce privacy compliance.
Reliability & Chaos Engineering: Define the standard SLIs/SLOs that teams must monitor and drive chaos testing initiatives across the engineering organization.
Operational Excellence & Self-Service: Lead the Post-Mortem Corrective of Errors (COE) process, enforcing action items to prevent recurrence. Build "Self-Service" platform capabilities that allow business units to self-solve data issues without logging support tickets.
Product Partnership & Technical Leadership
Cross-Team Requirements & KPIs: Elicit requirements for initiatives that span multiple teams, identifying data model conflicts early. Validate all technical requirements against broader business KPIs (e.g., Retention, CAC, Time-to-first-dollar).
Roadmap & Dependency Management: Manage dependencies on the quarterly roadmap, identifying "Critical Path" risks weeks in advance. Ensure the architecture supports the future roadmap, not just the current sprint, and negotiate timelines seamlessly with other teams.
Stakeholder Alignment & Translation: Organize and lead technical workshops (e.g., Event Storming, Architecture Reviews). Translate complex architectural risks into "Business Language" for stakeholders, explaining why refactoring matters in terms of revenue or customer experience.
Friction Management & Trust Building: Identify friction between teams (e.g., API conflicts, mismatched release cadences) and mediate solutions (e.g., implementing Contract Testing). Build trust across organizational boundaries and de-escalate complex technical disputes.
Career Advocacy & Polyglot Leadership: Act as a "polyglot" leader who moves across disparate stacks to unblock teams. Coach senior peers on "learning how to learn" and institutionalize feedback loops. Spot high-potential SDE 2s and 3s, giving them visibility and actively advocating for their career advancement.
Skills Required
- Architect complex autonomous systems and multi-agent workflows, including orchestration logic and advanced state management
- Securely integrate LLMs into enterprise process workflows and define agentic AI design patterns
- Create reusable CI/CD templates and deployment tooling (e.g., Helm Charts, Argo Workflows) and sandbox-seeding scripts
- Define and enforce SLIs/SLOs, run chaos engineering initiatives, and drive reliability standards
- Lead threat modeling sessions and help define security and compliance standards for enterprise AI
- Mentor and coach senior engineers, provide cross-team technical leadership and career advocacy
- Build prototypes and 'Golden Paths' to enable safe, repeatable adoption of cutting-edge AI technologies
- Drive cross-team requirements gathering, roadmap dependency management, and stakeholder alignment for enterprise initiatives
- Define enterprise quality standards for code, configuration, style guides, and documentation templates
WEX Inc. Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about WEX Inc. and has not been reviewed or approved by WEX Inc..
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Leave & Time Off Breadth — Leave offerings are portrayed as a standout, with generous PTO and additional paid time for volunteering. Time-off flexibility is also positioned as a meaningful part of the overall rewards experience.
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Retirement Support — Retirement benefits are presented as strong, including a 401(k) match that is described as competitive. This element appears to materially strengthen the total rewards package even when cash compensation feels less compelling.
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Strong & Reliable Incentives — Variable compensation is sometimes framed positively through bonuses and uncapped earning potential in sales-oriented roles. Stock options are also cited as an additional reward component that can improve perceived total compensation.
WEX Inc. Insights
What We Do
We simplify complex payment systems for fleets, corporate payments, and healthcare—unlocking insights, opportunities, and efficiencies to give you greater control of your business. Powered by the belief that complex payment systems can be made simple, WEX (NYSE: WEX) is a leading financial technology service provider across a wide spectrum of sectors, including fleet, travel and healthcare. WEX operates in more than 10 countries and in more than 20 currencies through approximately 4,900 associates around the world. WEX fleet cards offer approximately 14 million vehicles exceptional payment security and control; our travel and corporate solutions business processes over $35 billion of purchase volume annually; and the WEX Health financial technology platform helps 343,000 employers and more than 28 million consumers better manage healthcare expenses.
