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WEX

Senior Software Development/Operations Engineer

WEX

. Design, develop, and maintain robust, scalable, and high-performance web applications .

Posted 5/1/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $140,600 - $173,100 per yearWebsite

Tech Stack

Tools & technologies
AWSAzureCloudDockerGoGoogle Cloud PlatformJavaScriptKafkaKubernetesMongoDBNode.jsNoSQLPythonSQL

About the role

Key responsibilities & 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)

Requirements

What you’ll need
  • 5-8 years of professional experience in software engineering
  • Expertise in backend development, including strong proficiency in Python, Node.js, Go or C++
  • 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

Benefits

Comp & perks
  • health, dental and vision insurances
  • retirement savings plan
  • paid time off
  • health savings account
  • flexible spending accounts
  • life insurance
  • disability insurance
  • tuition reimbursement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
PythonNode.jsGoC++data structuresalgorithmsobject-oriented designautomated testingevent-driven architectureweb security
Soft Skills
problem-solvingclear communicationcollaborative mindsetempathetic mindset