Remote, Full-Time
About the Team/RoleWEX FSM (formerly Payzerware), is an end-to-end Field Service Management platform that helps contractors run their business, grow sales, and simplify back-office operations. WEX FSM provides comprehensive business management including schedule / dispatch, invoicing, sales proposals / invoices, and maintenance agreements. We also enable a full range of payment and financing solutions, which further help contractors decrease outstandings, generate more revenue per job, and save time.
We are seeking a Senior Java Software Engineer to join our Integrations Team. In this role, you will do more than just write code, you will take ownership of the technical design, development, and deployment of high-performance microservices using Java Spring Boot. These services are the backbone of our platform, enabling seamless integrations with third-party vendors and powering critical features within our SaaS product, WEX FSM. You will partner with Product Managers to translate business requirements into technical reality, ensuring ambiguity is removed before a single line of code is written. You will also serve as a mentor to fellow engineers, enforce coding standards through rigorous code reviews, and proactively reduce technical debt to keep our platform healthy and scalable. If you get excited about building modern, resilient applications and thrive in a collaborative, fast-paced environment, we encourage you to apply.
How You'll Make an ImpactAs a Senior Java Software Engineer, you will be instrumental in expanding our platform's capabilities by building robust and scalable microservices. Your expertise in Java Spring Boot and RESTful API design will directly contribute to seamless integrations with third-party vendors and enhance our core SaaS product, WEX FSM. Your contributions will be critical in ensuring the team continues to build high-quality, maintainable software.
Experience You'll BringBachelor's degree in Computer Science, Software Engineering, or a related field is strongly preferred, but equivalent experience will be considered.
5+ years of professional hands-on experience developing applications using Java, Spring Boot, Hibernate, and RESTful APIs.
Demonstrated ability to adapt to new technologies and methodologies quickly.
Strong problem-solving skills, excellent communication and collaboration skills
Experience using both relational and NoSQL databases.
History of successfully building and deploying microservices.
Solid grasp of microservice design patterns and best practices.
Experience with API documentation is required (OpenAPI/Swagger preferred), along with the ability to drive architectural decisions through written design docs.
Familiarity with cloud platforms (e.g., AWS, Azure, Google Cloud) and containerization technologies like Docker.
Strong understanding of automated testing principles and practices (e.g., unit, integration, contract testing).
Excellent communication and collaboration skills working with internal and external teams.
Act as a technical leader for the team, assisting in the onboarding of new hires and conducting code reviews that not only check for potential errors but enforce established coding standards and best practices.
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.
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