About the Team/Role
We are seeking a Full Stack Software Engineer (SDE2) to join our WEX Mobility Engineering team. In this role, you will help design and build modern APIs, backend services, and data pipelines to support mission-critical capabilities such as credit issuance, spend controls, and fleet management. As a member of an agile and collaborative team, you’ll contribute to building secure, scalable systems using Python, Kafka, and cloud-native services. You’ll help modernize legacy components and integrate data across systems using event-driven architecture, JSON APIs, and CDC patterns. This role is ideal for a motivated engineer looking to grow their full-stack skills and contribute to large-scale, impactful
projects.
How you’ll make an impact
● Develop and maintain backend services and APIs with a focus on reliability and scalability.
● Build and support data pipelines using event-streaming platforms like Kafka.
● Write clean, maintainable code in Python and/or Java.
● Collaborate with engineers, product managers, and QA to understand requirements and deliver value incrementally.
● Work on integrations using JSON, RESTful APIs, and messaging systems.
● Participate in code reviews and contribute to a culture of continuous improvement.
● Support production systems and assist in resolving technical issues when needed.
Experience you’ll bring
● BS in Computer Science, Engineering, or equivalent experience (or can demonstrate strong practical ability in lieu of
a degree)
● Good hands-on experience developing applications or microservices using Python and/or Kafka
● Good experience building and consuming REST APIs
● Strong written and verbal communication skills, with the ability to collaborate across teams
● Experience building and consuming REST APIs.
● Proficiency in Python, Java, or another modern backend language.
● Familiarity with Kafka, message queues, or event-driven design.
● Knowledge of relational databases (e.g., PostgreSQL, Oracle) and basic SQL skills.
● Understanding of JSON and data exchange formats.
● Experience working in Unix/Linux environments.
● Exposure to CI/CD tools and source control (Git or similar).
● Comfort working in an agile development environment.
Plus
● Experience with Change Data Capture (CDC) concepts and tools.
● Exposure to cloud platforms like AWS.
● Familiarity with containerization tools like Docker.
● Experience with Siebel CRM or interest in learning enterprise CRM systems.
● Understanding of front-end technologies or frameworks (e.g., React, Angular).
● Familiarity with enterprise tools like JIRA and Confluence.
If you are looking for a growing career – come be part of WEX today!
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What We Do
We simplify complex payment systems for fleets, corporate payments, and healthcare—unlocking insights, opportunities, and efficiencies to give you greater control of your business.
Powered by the belief that complex payment systems can be made simple, WEX (NYSE: WEX) is a leading financial technology service provider across a wide spectrum of sectors, including fleet, travel and healthcare. WEX operates in more than 10 countries and in more than 20 currencies through approximately 4,900 associates around the world. WEX fleet cards offer approximately 14 million vehicles exceptional payment security and control; our travel and corporate solutions business processes over $35 billion of purchase volume annually; and the WEX Health financial technology platform helps 343,000 employers and more than 28 million consumers better manage healthcare expenses.
