Mid-Level Software Engineer

United States

Full-time

Remote

$96K/yr - $116K/yr

Entry, Mid Level

WEX is seeking a Mid-Level Software Engineer with strong front-end expertise and full-stack exposure to join their NAM Experiences team. The role involves designing and developing robust web applications that enhance customer experiences for large fleets and transportation companies.

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Responsibilities

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
Work with Senior Engineers to co-develop systems designs, and drive alignment across teams
Write automated unit tests, integration tests, end-to-end tests, concurrency tests, load/performance tests
Work with tech leads and senior engineers to identify bottlenecks and tech debt; drive incremental scalability, and stability improvements
Utilize 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
Contribute to code reviews (comment, approve, seek revisions, merge), and follow engineering best practices, and continuously raise the quality bar
Troubleshoot 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
Gain hands-on experience with automation and AI-driven engineering solutions

Qualification

Required

Bachelor's degree in Computer Science, Software Engineering, or related
2-5 years of professional experience in software engineering
Strong foundation in data structures and algorithms, object-oriented design, and problem-solving skills
Experience 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
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

Preferred

Master's degree in Computer Science, Software Engineering, or related
5+ years of professional experience in software engineering
Experience with micro-frontends or module federation
Familiarity with relational or NoSQL databases; e.g. SQL, MongoDB
Exposure to backend technologies such as Java (Preferred) or Node.js
Experience with cloud-native environments, including Docker, Kubernetes, or AWS/GCP/Azure
Experience building and scaling design systems, with strong knowledge of accessibility (WCAG), and performance optimization