The WEX Fleet Services team which owns the Over the Road experiences is transforming the future of fleet payments by building agentic, scalable solutions that power WEX’s industry-leading fuel card platform. We design and develop new capabilities that enable delightful experiences for both internal and external customers, creating the foundation for new products, services, and business opportunities.
We are looking for a passionate Senior Software Development Engineer who enjoys solving complex problems, passionate about learning and experimenting, building innovative solutions, and collaborating with a talented engineering team. In this role, you will play a key part in designing, developing, and enhancing agentic solutions in a cloud-native environment using industry-leading AI tools/platforms, Java, AWS, Kafka event streaming, Elasticsearch, containerization, and API-driven architectures.
This is an opportunity to join an agile, collaborative team where engineers have ownership, make meaningful technical contributions, and deliver solutions that directly impact WEX’s customers and business growth.
How You’ll Make an Impact
Design, develop, and deliver delightful product experiences that are powered by Agentic capabilities, scalable, reliable software solutions using modern technologies such as Java, Kafka, Elasticsearch, and cloud-native platforms.
Contribute to architecture and design decisions that support highly available, secure, and scalable systems.
Build and maintain clean, efficient, well-tested, and maintainable code.
Develop and optimize RESTful APIs and backend services.
Participate in code reviews, technical discussions, and collaborative problem-solving sessions.
Troubleshoot, debug, and resolve complex technical challenges.
Work across technology stacks and quickly adapt to new tools and frameworks.
Stay current with emerging technologies and industry best practices to continuously improve engineering practices.
Ensure operational excellence and best customer experience for all the products and systems owned by the team.
Experience You’ll Bring
Bachelor’s degree in Computer Science, Engineering, or a related technical field.
7+ years of software engineering experience designing, developing, and supporting enterprise-scale applications.
Strong experience building cloud-based applications and infrastructure using infrastructure-as-code practices.
Proficiency with event streaming platforms such as Kafka.
Experience with Elasticsearch, including indexing strategies, query optimization, and data analysis.
Experience working with cloud platforms such as AWS.
Strong understanding of software engineering principles, including data structures, algorithms, object-oriented design, scalability, availability, and reliability.
Strong problem-solving skills with the ability to analyze complex technical challenges.
Excellent written and verbal communication skills with a collaborative mindset.
Preferred Qualifications
Master’s degree in Computer Science, Software Engineering, or a related field.
8+ years of software engineering experience.
Experience and knowledge in building Agentic/AI solutions for real world problems.
Experience designing and implementing event-driven architectures.
Experience working with card payments or financial services platforms.
Hands-on experience with cloud-native technologies including Docker and Kubernetes.
Knowledge of API security principles and PCI DSS compliance requirements.
Experience working within existing codebases and improving legacy systems.
Strong backend development expertise with Java or C#, including frameworks such as Spring Boot.
Experience designing, building, and optimizing RESTful APIs, OData services, and SQL-based solutions.
Proven experience developing internet-scale services with a focus on scalability, security, availability, and reliability.
Skills Required
- Bachelor's degree in Computer Science, Engineering, or related technical field.
- 7+ years of software engineering experience designing, developing, and supporting enterprise-scale applications.
- Proficiency in Java.
- Strong experience building cloud-based applications and infrastructure using infrastructure-as-code practices.
- Proficiency with event streaming platforms such as Kafka.
- Experience with Elasticsearch, including indexing strategies and query optimization.
- Experience working with cloud platforms such as AWS.
- Strong understanding of software engineering principles (data structures, algorithms, OOP, scalability, availability, reliability).
- Strong problem-solving skills and ability to analyze complex technical challenges.
- Excellent written and verbal communication skills and a collaborative mindset.
- Master's degree in Computer Science, Software Engineering, or related field.
- 8+ years of software engineering experience.
- Experience and knowledge in building Agentic/AI solutions for real world problems.
- Experience designing and implementing event-driven architectures.
- Experience working with card payments or financial services platforms.
- Hands-on experience with cloud-native technologies including Docker and Kubernetes.
- Knowledge of API security principles and PCI DSS compliance requirements.
- Experience working within existing codebases and improving legacy systems.
- Strong backend development expertise with Java or C#, including frameworks such as Spring Boot.
- Experience designing, building, and optimizing RESTful APIs, OData services, and SQL-based solutions.
- Proven experience developing internet-scale services focused on scalability, security, availability, and reliability.
WEX Inc. Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about WEX Inc. and has not been reviewed or approved by WEX Inc..
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Leave & Time Off Breadth — Leave offerings are portrayed as a standout, with generous PTO and additional paid time for volunteering. Time-off flexibility is also positioned as a meaningful part of the overall rewards experience.
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Retirement Support — Retirement benefits are presented as strong, including a 401(k) match that is described as competitive. This element appears to materially strengthen the total rewards package even when cash compensation feels less compelling.
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Strong & Reliable Incentives — Variable compensation is sometimes framed positively through bonuses and uncapped earning potential in sales-oriented roles. Stock options are also cited as an additional reward component that can improve perceived total compensation.
WEX Inc. Insights
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.
