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WEX

Staff Software Engineer

WEX

. Lead the technical architecture, design, and implementation of the Beyond Fuel and Expense Management platform .

Posted 10/16/2026full-timeRemote • United StatesLead💰 $140,600 - $173,100 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in leading technical architecture and implementation of software platforms, with strong proficiency in Java, Spring Boot, and REST API design. Capable of mentoring engineers and influencing technical direction while ensuring production readiness and secure development practices.

Highest-signal resume keywords
Java ProficiencySpring Boot ExpertiseREST API DesignCloud Platforms (AWS)Automated CI/CD Pipelines

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Software EngineeringObject-Oriented DesignData StructuresAlgorithmsDistributed SystemsRelational Data ModelsEvent-Driven IntegrationsUnit TestingIntegration TestingPerformance Testing
Soft Skills
Technical LeadershipMentoringCollaborationInfluencing Without AuthorityClear Communication
Tools & Technologies
AI Coding AssistantsGitHub CopilotCursorClaudeOpenTelemetryGrafanaPrometheus
Certifications & Qualifications
Bachelor's Degree in Computer ScienceMaster's Degree in Computer Science (Preferred)
Industry Keywords
Payment WorkflowsExpense ManagementTransaction ReportingSecure API DesignObservability

Tech Stack

Tools & technologies
AWSCloudDistributed SystemsGrafanaJavaPrometheusSpringSpring BootSpringBoot

About the role

Key responsibilities & impact
  • Lead the technical architecture, design, and implementation of the Beyond Fuel and Expense Management platform
  • Build full-stack capabilities spanning user interfaces, backend services, data models, and external integrations
  • Translate product requirements into technical designs, delivery milestones, and implementation plans
  • Design reusable business capabilities and APIs supporting web, mobile, and partner experiences
  • Establish patterns for payment workflows, expense capture, approvals, spend controls, transaction reporting, and reconciliation
  • Evaluate technical options and communicate tradeoffs involving performance, security, reliability, cost, and delivery timelines
  • Write production code, review contributions, and resolve complex issues across the application stack
  • Guide engineers through design reviews, code reviews, technical mentoring, and collaborative problem-solving
  • Establish standards for automated testing, API contracts, observability, accessibility, and secure development
  • Build production readiness through actionable logs, distributed tracing, metrics, dashboards, and alerts
  • Use approved AI tools throughout development, testing, and documentation, reviewing and validating generated output
  • Partner with engineering leaders to identify dependencies, manage technical risks, and support delivery
  • Own technical outcomes from initial implementation through deployment, operation, and continuous improvement
  • Collaborate with Product, Design, Security, and engineering teams across the United States and India
  • Provide technical leadership as an individual contributor without direct people management

Requirements

What you’ll need
  • Bachelor's degree in Computer Science, Software Engineering, or a related field
  • 8–10 years of professional software engineering experience
  • Experience taking a new product from concept to production and evolving it as adoption grows
  • Strong proficiency in Java and Spring Boot, or comparable backend technologies
  • Strong understanding of object-oriented design, data structures, algorithms, and software design principles
  • Experience designing REST APIs, distributed systems, relational data models, and event-driven integrations
  • Experience with cloud platforms, preferably AWS, and automated CI/CD pipelines
  • Knowledge of authentication, authorization, data protection, and secure API design
  • Experience with unit, integration, end-to-end, and performance testing
  • Experience building and operating production services with monitoring, distributed tracing, and incident troubleshooting
  • Ability to influence technical direction across teams without formal management authority
  • Ability to explain technical decisions clearly to engineering and business stakeholders
  • Track record of mentoring engineers and improving engineering practices through hands-on collaboration
  • Hands-on experience leveraging AI coding assistants and development tools such as GitHub Copilot, Cursor, or Claude
  • Preferred: Master's degree in Computer Science or Software Engineering
  • Preferred: 10+ years of software engineering experience
  • Preferred: Experience with API Gateways, service mesh technologies, and cloud networking concepts
  • Preferred: Familiarity with OpenTelemetry, Grafana, Prometheus, or similar observability platforms
  • Preferred: Exposure to web and mobile application development

Benefits

Comp & perks
  • Health, dental and vision insurances
  • Retirement savings plan
  • Paid time off
  • Health savings account
  • Flexible spending accounts
  • Life insurance
  • Disability insurance
  • Tuition reimbursement
  • Quarterly or annual bonus eligibility for non-sales roles, based on applicable plan