[Remote] Staff Software Development Engineer, Web

Note: The job is a remote job and is open to candidates in USA. WEX Inc is looking for a Staff Software Development Engineer with strong front-end expertise to join their NAM Experiences team. The role involves designing and developing intuitive web applications that enhance customer experiences for large fleets and transportation companies.ResponsibilitiesDesign, develop, and maintain robust, scalable, and high-performance web applicationsBuild and evolve shared component libraries and design-system assets used across multiple Mobility applicationsCraft systems designs, lead design decisions, and drive alignment with other senior engineersLead comprehensive automated testing strategies, including unit, integration, end-to-end, load, and performance testingIdentify bottlenecks and tech debt; drive incremental scalability, and stability improvementsDevelop and enhance automation frameworks for testing, monitoring, auto-scaling, continuous integration and deployment to reduce time to marketPartner with Product, Design, and UX to deliver high-quality user experiencesLead code reviews (comment, approve, seek revisions, merge), and champion engineering best practices, and continuously raise the quality barTroubleshoot complex production issues, devise fixes, author root cause analysis documents, and ensure lasting performance and reliabilityConduct objective and comparative analyses of competing technologies to advise the team of pros and cons of a technology solutionDevise 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 improvementDrive cross-team projects as a single-threaded-owner (STO) or tech lead, and actively unblock other engineers to make progressGain hands-on experience with automation and AI-driven engineering solutionsSkillsBachelor's degree in Computer Science or Software Engineering8-10 years of professional experience in software engineeringStrong foundation in data structures and algorithms, object-oriented design, and problem-solvingExpertise in designing and developing complex web applications with scalability, availability, security, and reliability design tenetsProven experience with micro-frontends or module federationStrong proficiency with modern front-end frameworks such as Angular (preferred) or ReactStrong skills in TypeScript/JavaScript, HTML5, or CSS3/SASSExperience integrating front-end applications with RESTful or GraphQL APIsSolid understanding of web security fundamentals including authentication, authorization, and data protectionExcellent collaboration and communication skills with a focus on user experience and maintainabilityClear written and verbal communication skills, and a collaborative and empathetic mindsetMaster's degree in computer science or software engineering10 years of experience in software engineeringExposure to backend technologies such as Java(preferred) or Node.jsExperience with cloud-native environments, including Docker, Kubernetes, or AWS/GCP/AzureProficiency with relational or NoSQL databases; e.g. MySQL, MongoDBExperience building and scaling design systems, with strong knowledge of accessibility (WCAG), and performance optimizationBenefitsHealth, dental and vision insurancesRetirement savings planPaid time offHealth savings accountFlexible spending accountsLife insuranceDisability insuranceTuition reimbursementCompany OverviewWex is a financial technology service provider for fleet, travel and healthcare industries. It was founded in 1983, and is headquartered in Portland, Maine, USA, with a workforce of 5001-10000 employees. Its website is http://www.wexinc.com.Company H1B SponsorshipWEX has a track record of offering H1B sponsorships, with 4 in 2026, 22 in 2025, 10 in 2024, 12 in 2023, 20 in 2022, 14 in 2021, 18 in 2020. Please note that this does not guarantee sponsorship for this specific role.