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 PHP Software Engineer to join our team. In this pivotal role, you will join the team responsible for designing, developing, and deploying our flagship SaaS product, WEX FSM. You will play a key role in building robust, scalable APIs that not only enhance our product but also empower our partners to integrate with our platform efficiently. 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 PHP Software Engineer, you will be instrumental in modernizing and improving the performance and stability of our core SaaS product, WEX FSM. Your expertise in the Symfony PHP Framework will be key to refactoring and enhancing existing application features, ensuring they are robust, scalable, and maintainable. Your contributions will be critical in delivering a faster, higher-quality user experience.
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 PHP, Symfony, Doctrine, 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.
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.





