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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.

Responsibilities

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.
Champion the secure integration of LLMs into enterprise process workflows.
Mentor senior engineers across the organization on advanced AI leverage and agentic design patterns.
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.
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.
Lead Threat Modeling sessions to ensure security across multiple teams.
Participate in the definition of security and compliance standards for enterprise AI adoption.
Demonstrate high standards for Code and Configuration Quality.
Define style guides, documentation templates, and configuration guardrails, and build shared custom components or configuration frameworks.
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.
Define the standard SLIs/SLOs that teams must monitor and drive chaos testing initiatives across the engineering organization.
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.
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).
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.
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.
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.
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.

Requirements

Recognized Staff/Lead technical expert
Provides cross-platform strategic leadership
Influences global system architecture
Defines enterprise-wide standards
Actively participates in functional design/redesign of business processes to maximize AI and automation
Acts as a visionary builder and strategic anchor for WEX’s AI-driven opportunities
Architects complex autonomous systems
Champions enterprise-wide AI adoption
Defines orchestration logic that enables next-generation agentic AI to scale securely and efficiently across multiple domains and services
Designs multi-agent workflows
Handles advanced state management, memory persistence, and tool interactions
Champions the secure integration of LLMs into enterprise process workflows
Mentors senior engineers across the organization on advanced AI leverage and agentic design patterns
Filters industry AI trends through rigorous cost-benefit analysis
Builds prototypes and "Golden Paths" that enable other teams to adopt high-value, cutting-edge technologies safely and rapidly
Solves architectural bottlenecks that cross team boundaries
Reviews designs from other teams to ensure consistency
Defines the "Golden Path" for how disparate services should communicate
Leads Threat Modeling sessions to ensure security across multiple teams
Participates in the definition of security and compliance standards for enterprise AI adoption
Demonstrates high standards for Code and Configuration Quality
Defines style guides, documentation templates, and configuration guardrails
Builds shared custom components or configuration frameworks
Creates 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
Defines the standard SLIs/SLOs that teams must monitor
Drives chaos testing initiatives across the engineering organization
Leads the Post-Mortem Corrective of Errors (COE) process, enforcing action items to prevent recurrence
Builds "Self-Service" platform capabilities that allow business units to self-solve data issues without logging support tickets
Elicits requirements for initiatives that span multiple teams
Identifies data model conflicts early
Validates all technical requirements against broader business KPIs (e.g., Retention, CAC, Time-to-first-dollar)
Manages dependencies on the quarterly roadmap
Identifies "Critical Path" risks weeks in advance
Ensures the architecture supports the future roadmap, not just the current sprint
Negotiates timelines seamlessly with other teams
Organizes and leads technical workshops (e.g., Event Storming, Architecture Reviews)
Translates complex architectural risks into "Business Language" for stakeholders, explaining why refactoring matters in terms of revenue or customer experience
Identifies friction between teams (e.g., API conflicts, mismatched release cadences) and mediates solutions (e.g., implementing Contract Testing)
Builds trust across organizational boundaries
De-escalates complex technical disputes
Acts as a "polyglot" leader who moves across disparate stacks to unblock teams
Coaches senior peers on "learning how to learn"
Institutionalizes feedback loops
Spots high-potential SDE 2s and 3s, giving them visibility
Actively advocates for career advancement of others

Skills

AI
Automation
Autonomous Systems Architecture
Multi-agent workflows
Orchestration logic
State management
Memory persistence
Tool interactions
LLM integration
Agentic design patterns
Cost-benefit analysis
Prototyping
Cross-platform leadership
System design
Threat Modeling
Security standards
Compliance standards
Code Quality
Configuration Quality
Style guides
Documentation templates
Configuration guardrails
CI/CD
Helm Charts
Argo Workflows
Deployment modules
Sandbox-seeding scripts
SLIs/SLOs
Chaos Engineering
Post-Mortem Corrective of Errors (COE)
Self-Service platform capabilities
Requirements elicitation
Data modeling
Business KPIs
Roadmap management
Dependency management
Architecture support
Timeline negotiation
Technical workshops
Event Storming
Architecture Reviews
Risk translation
Contract Testing
Friction management
Trust building
Polyglot leadership
Learning how to learn
Feedback loops
Career advocacy

Experience Level

Staff/Lead
SDE Level 4

Salary/Compensations

$140,600.00 - $173,100.00

Benefits

Health insurance
Dental insurance
Vision insurance
Retirement savings plan
Paid time off
Health savings account
Flexible spending accounts
Life insurance
Disability insurance
Tuition reimbursement

About the Company

WEX is a company that offers comprehensive and market-competitive benefits designed to support personal and professional well-being.