Mid Level - Full Stack Front End Developer

Mid Level - Full Stack Front End Developer

Join to apply for the Mid Level - Full Stack Front End Developer role at WEX
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This is a remote position; however, the candidate must reside within 30 miles of one of the following locations:
Boston, MA;
San Francisco Bay Area, CA;
Dallas, TX;
Salt Lake City, UT;
Seattle, WA; and Portland, ME.

We are seeking a Mid Level Full Stack Front End Engineer in the WEX Mobility Engineering organization. This role will sit in the NAM Experiences team that supports fleet management and mobility payments solutions to our large customers and partners in North America. Our Mobility systems provide SaaS and API solutions to various customers. WEX Mobility products enable credit issuance to fleet companies and their workers in the form of WEX or cobranded credit cards, usable at fueling stations and select other merchants.

At WEX, we provide fleet managers and operators with the flexibility to configure spend controls that restrict fleet members to use their cards at configured merchants, for configured amounts and velocity, etc.

• Design, develop, and maintain robust, scalable, and high-performance code in our front end UI.
• Develop libraries and components that fit into Mobility services.
• Work with senior engineers to co‑develop systems designs and drive alignment with other engineers.
• Write automated unit tests, integration tests, end‑to‑end tests, concurrency tests, and load/performance tests.
• Identify bottlenecks, outline technical debt, and implement incremental scalability and stability improvements.
• Implement automation frameworks for testing, monitoring, auto‑scaling, continuous integration, and deployment to reduce time to market.
• Collaborate with cross‑functional team members, including product managers, designers, and other engineers, to define and implement new features.
• Conduct code reviews (comment, approve, seek revisions) and actively learn engineering best practices.
• Troubleshoot complex issues, devise fixes, author root cause analysis documents, and ensure lasting performance and reliability.
• Maintain robust documentation (design docs, run books, change management docs, readiness plans).
• Provide live‑site support for production applications by monitoring systems, ensuring rapid incident resolution, and driving continuous improvement.
• Gain hands‑on experience with automation and AI‑driven solutions.

• Bachelor’s degree in Computer Science or Software Engineering.
• 2–5 years of professional experience in software engineering.
• Strong understanding of encryption schemes, modern APIs, and front‑end frameworks.
• Proficiency in frontend development, with expertise in a framework like Angular, React and languages such as JSP, Java, Go or C#.
• Excellent written and verbal communication skills, and a collaborative and empathetic mindset.

• Master’s degree in computer science or software engineering.
• Exposure to Micro Front End Architecture.
• 5 years of experience in software engineering.
• Expertise in designing and developing internet‑scale services with scalability, availability, security, and reliability design tenets.
• Familiarity with cloud‑native architecture (containerization using tools such as Docker and Kubernetes).
• Ability to work on an existing codebase, contribute improvements, and adapt to legacy systems’ constraints.
• Experience with database and querying languages such as SQL/Mongo.

Pay Range: $94,000.00 - $. The base pay range represents the anticipated low and high end of the pay range for this position. Actual pay rates will vary and be based on various factors, such as your qualifications, skills, competencies, and proficiency for the role. Base pay is one component of WEX's total compensation package. Non‑sales roles are typically eligible for a quarterly or annual bonus based on their role and applicable plan.

WEX's comprehensive and market‑competitive benefits support your personal and professional well‑being, including health, dental, vision, retirement savings, paid time off, health savings account, flexible spending accounts, life insurance, disability insurance, tuition reimbursement, and more. For more information, see the "About Us" section.

Mid‑Senior level

Full‑time

Engineering and Information Technology

Software Development