About the Team/Role
We are seeking a seasoned Software Engineer in the WEX OTR Engineering organization. This role will sit in the l Mobility team that caters fleet management and mobility payments solutions to our large customers. OTR Mobility development team spans across India and USA. Our Mobility systems provide SaaS and API solutions to various customers. WEX Mobility products enable credit issuance to fleet companies and their workers in the form of WEX or co-branded credit cards, usable at fueling stations and select other merchants. At WEX, we provide fleet managers and operators with the flexibility to configure spend controls that restrict fleet members to use their cards at configured merchants, for configured amounts and velocity etc.
How you’ll make an impact:
Design, develop, and maintain robust, scalable, and high-performance object oriented code in our backend services.
Develop libraries and components that fit into Mobility services.
Work with senior engineers to co-develop systems designs, and drive alignment with other engineers.
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, outline tech debt, and implement incremental scalability, and stability improvements.
Implement automation for testing, monitoring, auto-scaling, continuous integration and deployment to reduce time to market
Collaborate with cross-functional team members, including product managers, designers, and other engineers, to define and implement new features.
Seek and conduct code reviews (comment, approve, seek revisions, merge), and actively learn engineering best practices.
Dive deep and troubleshoot complex 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 support for production applications by monitoring systems, ensuring rapid incident resolution, and driving continuous improvement.
Experience you'll bring:
Bachelor’s degree in Computer Science or Software Engineering
3 years of professional experience in software engineering.
Strong understanding of data structures and algorithms, object-oriented design, and problem-solving skills.
Excellent written and verbal communication skills, and a collaborative and empathetic mindset.
Proficiency in backend development, with proficiency expertise in Java or C#, and frameworks like Spring Boot, building and optimizing RESTful APIs, ODATA framework, and SQL
Preferred Qualifications:
Master’s degree in computer science or software engineering.
5 years of experience in software engineering
Expertise in designing and developing internet-scale services with scalability, availability, security, and reliability design tenets.
Familiarity with cloud-native architecture (containerization using tools such as Docker and Kubernetes.)
Ability to work on existing codebase, contribute improvements, and adapt to legacy systems’ constraints.
Top Skills
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.
