via Workday
$90K - 130K a year
Design and maintain scalable backend applications and REST APIs with focus on stability and CI/CD.
5-8 years experience in software engineering with Python, Node.js or Go and cloud-native environments.
About the Team/Role We’re looking for a Senior Development/Operations Engineer with strong back-end expertise to join our team. We are part of the ‘Connected Fleet’ team, developing tools to assist clients driving towards the modern vehicle experience. In addition to working closely with the Sawatch development team of six, you will regularly interface with other WEX engineering teams. You’ll help design and develop intuitive, performant web and back-end applications and deliver seamless customer experiences that enhance the customer experience. These platforms allow large fleets and transportation companies to operate their fleets more efficiently, prevent and reduce fraud and make data-driven procurement decisions. How you’ll make an impact: Design, develop, and maintain robust, scalable, and high-performance web applications. Develop public REST APIs using Python and Node for inter-service and inter-system communication. 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. 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). Experience you'll bring: 5-8 years of professional experience in software engineering. Expertise in backend development, including strong proficiency in Python, Node.js, Go or C++ and building and optimizing RESTful APIs and SQL. Strong foundation in data structures and algorithms, object-oriented design, and problem-solving. Experience with cloud-native environments, including Docker, Kubernetes, or AWS/GCP/Azure. Experience with event-driven architecture and tools like Kafka. Familiarity with relational or NoSQL databases; e.g. SQL, MongoDB. Expertise in designing and developing internet-scale services with scalability, availability, security, and reliability design tenets. Solid understanding of web security fundamentals including authentication, authorization, and data protection. Familiarity with Git, automated testing frameworks, and CI/CD workflows. Clear written and verbal communication skills, and a collaborative and empathetic mindset. Other nice-to-haves: Ability to work within existing codebases with legacy systems constraints. Experience or familiarity with telematics data, time-series data, and/or geospatial data. Experience with micro-frontends or module federation. Experience developing with the assistance of AI-driven tools. Experience working with geographically distributed teams. The base pay range represents the anticipated low and high end of the pay range for this position. Actual pay rates will vary and will 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. Most sales positions are eligible for commission under the terms of an applicable plan. 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 are designed to support your personal and professional well-being. Benefits include health, dental and vision insurances, retirement savings plan, paid time off, health savings account, flexible spending accounts, life insurance, disability insurance, tuition reimbursement, and more. For more information, check out the "About Us" section. Pay Range: $140,600.00 - $173,100.00 WEX is a global commerce platform that helps businesses solve for operational complexities like employee benefits, managing and mobilizing fleets, and streamlining payments. With over 6,500 employees, we work with large and small companies in more than 200 countries and territories, and can tailor our services to meet the unique needs of their businesses. We hire people who share our passion for continuous innovation and client service that is unparalleled in the industry. Offering comprehensive and market competitive benefits, our offerings are designed to support your personal and professional well-being. If you’re looking for a growing career - come be part of WEX today. To learn more about our employee benefits, please click here. WEX is an equal opportunity employer committed to diversity and inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to sex, race, color, age, national origin, religion, sexual orientation, gender identity, protected veteran status, disability or other protected status. WEX promotes a drug-free workplace. Qualified individuals with a disability have the right to request a reasonable accommodation. If you require a reasonable accommodation as a result of your disability at any point in the job application process, please submit your request through our Reasonable Accommodation Request Form. This form is for accommodation requests only and cannot be used to inquire about the status of applications.
This job posting was last updated on 7/6/2026