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[Remote] Senior Software Development/Operations Engineer

Remote Full-time Live

Note: The job is a remote job and is open to candidates in USA. WEX is a company focused on developing tools for the modern vehicle experience. They are seeking a Senior Development/Operations Engineer to design and develop web and back-end applications that enhance customer experiences for large fleets and transportation companies.

Responsibilities

  • 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)

Skills

  • 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
  • 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

Benefits

  • Health, dental and vision insurances
  • Retirement savings plan
  • Paid time off
  • Health savings account
  • Flexible spending accounts
  • Life insurance
  • Disability insurance
  • Tuition reimbursement

Company Overview

  • Wex 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 Sponsorship

  • WEX 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.
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