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WEX logo
WEX

Simplifying the business of running a business.

Senior Web Engineer – Full Stack

Frontend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 5,001-10,000Since 1983H1B SponsorCompany SiteLinkedIn

Location

California + 5 moreAll locations: California | Maine | Massachusetts | Texas | Utah | Washington

Posted

57 days ago

Salary

$121.5K - $145.5K / year

Seniority

Senior

Job Description

Senior Web Engineer – Full Stack

WEX

• Design, develop, and maintain robust, scalable, and high-performance web applications. • Build and evolve shared component libraries and design-system assets used across multiple Mobility applications. • Develop systems designs, and drive alignment across teams. • Implement comprehensive automated testing strategies, including unit, integration, end-to-end, load, and performance testing. • Identify bottlenecks and tech debt; drive incremental scalability, and stability improvements. • Develop and enhance automation frameworks for testing, monitoring, auto-scaling, continuous integration and deployment to reduce time to market. • Partner with Product, Design, and UX to deliver high-quality user experiences. • Conduct code reviews (comment, approve, seek revisions, merge), and champion engineering best practices, and continuously raise the quality bar. • Troubleshoot complex production issues, devise fixes, author root cause analysis documents, and ensure lasting performance and reliability. • Maintain robust documentation (design docs, run books, change management docs, and readiness plans). • Provide live-site production support, ensuring rapid incident resolution, and driving continuous improvement. • Drive cross-team projects as a single-threaded-owner (STO) or tech lead, and actively unblock other engineers to make progress. • Gain hands-on experience with automation and AI-driven engineering solutions.

Job Requirements

  • Bachelor’s degree in Computer Science or Software Engineering.
  • 5-8 years of professional experience in software engineering.
  • Strong foundation in data structures and algorithms, object-oriented design, and problem-solving.
  • Proficiency with modern front-end frameworks such as Angular (preferred) or React.
  • Strong skills in TypeScript/JavaScript, HTML5, or CSS3/SASS.
  • Experience integrating front-end applications with RESTful or GraphQL APIs.
  • Solid understanding of web security fundamentals including authentication, authorization, and data protection.
  • Familiarity with Git, automated testing frameworks, and CI/CD workflows.
  • Excellent collaboration and communication skills with a focus on user experience and maintainability.
  • Clear written and verbal communication skills, and a collaborative and empathetic mindset.
  • Experience with micro-frontends or module federation.
  • Exposure to backend technologies such as Java(preferred) or Node.js.
  • Experience with cloud-native environments, including Docker, Kubernetes, or AWS/GCP/Azure.
  • Familiarity with relational or NoSQL databases; e.g. SQL, MongoDB.
  • Experience building and scaling design systems, with strong knowledge of accessibility (WCAG), and performance optimization.

Benefits

  • health, dental and vision insurances
  • retirement savings plan
  • paid time off
  • health savings account
  • flexible spending accounts
  • life insurance
  • disability insurance
  • tuition reimbursement

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