Staff Software Development Engineer, Web

WEX

Staff Software Engineer developing web applications for large fleets and transportation companies. Designing and maintaining robust web applications and enhancing user experiences with cross-functional collaboration.

Posted 5/29/2026full-timeCalifornia, Maine, Massachusetts, Texas, Utah, Washington • 🇺🇸 United StatesLead💰 $140,600 - $173,100 per yearWebsite

Tech Stack

Tools & technologies

AngularGraphQLJavaScriptReactSCSSTypeScript

About the role

Key responsibilities & impact

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.
Craft systems designs, lead design decisions, and drive alignment with other senior engineers.
Lead 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.
Lead 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.
Conduct objective and comparative analyses of competing technologies to advise the team of pros and cons of a technology solution.
Devise mechanisms to create robust documentation (design docs, run books, change management docs, and readiness plans).
Design tech strategy for live-site support by designing monitoring systems via code, 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.

Requirements

What you’ll need

Bachelor’s degree in Computer Science or Software Engineering.
8-10 years of professional experience in software engineering.
Strong foundation in data structures and algorithms, object-oriented design, and problem-solving.
Expertise in designing and developing complex web applications with scalability, availability, security, and reliability design tenets.
Proven experience with micro-frontends or module federation.
Strong 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.
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.

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 based on role and applicable plan

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

web applicationscomponent librariesautomated testingunit testingintegration testingload testingperformance testingautomation frameworksmicro-frontendsTypeScript

Soft Skills

collaborationcommunicationproblem-solvingleadershipuser experience focusempathydocumentationdesign decision makingcross-team project managementtroubleshooting

Certifications

Bachelor’s degree in Computer ScienceBachelor’s degree in Software Engineering