Senior Web Engineer

WEX

Senior Software Engineer developing web applications for mobility solutions at WEX. Designing and maintaining robust web applications and collaborating with cross-functional teams.

Posted 6/12/2026full-timeOakland • California, Maine, Massachusetts, Texas, Utah, Washington • 🇺🇸 United StatesSenior💰 $121,500 - $145,500 per yearWebsite

Tech Stack

Tools & technologies

AngularAWSAzureCloudDockerGoogle Cloud PlatformGraphQLJavaJavaScriptKubernetesMongoDBNode.jsNoSQLReactSCSSSQLTypeScript

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
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.

Requirements

What you’ll need

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.
5-8 years of experience in software engineering
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

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 their role

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

data structuresalgorithmsobject-oriented designTypeScriptJavaScriptHTML5CSS3RESTful APIsGraphQLmicro-frontends

Soft Skills

collaborationcommunicationproblem-solvingempathyuser experience focusmaintainabilitycode reviewincident resolutioncontinuous improvementleadership

Certifications

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