Sr. Staff Software Development Engineer

About this role

This is a remote position; however, the candidate must reside within 30 miles of one of the following locations: Boston, MA; San Francisco Bay Area, CA; Dallas, TX; Salt Lake City, UT; Seattle, WA; and Portland, ME

About the Team/Role

We are seeking a seasoned Sr. Staff Software Engineer in the WEX Mobility Engineering organization. This role will sit in the Mobility team that caters fleet management and mobility payments solutions to our large customers and partners in the North America region. Mobility development team spans across USA, India, and Brazil. Our Mobility systems provide SaaS, Mobile and API solutions to various customers. WEX Mobility products enable credit issuance to fleet companies and their workers in the form of WEX or cobranded credit cards, usable at fueling stations and select other merchants. At WEX, we provide fleet managers and operators with discounts, and a flexibility to configure spend controls that restrict fleet members to use their cards at configured merchants, for configured amounts and velocity.

How you’ll make an impact:

• **Respect what came before, and yet influence the org with net new ways of solving problems**
• **Be comfortable in dealing with ambiguity, and help define problems, and then devise solutions for these problems.**
• **Design, develop, and maintain robust, scalable, and high-performance object oriented code in our backend services.**
• **Design and implement distributed systems including public REST APIs using Java and internal gRPC APIs for inter-service and inter-system communication.**
• **Craft systems designs, lead design decisions, and drive alignment with other senior engineers.**
• **Epitomize writing and generating unit tests, integration tests, end-to-end tests, concurrency tests, load/performance tests.**
• **Analyze existing systems to identify bottlenecks, tech debt, and implement scalability, and stability improvements.**
• **Implement automation for testing, monitoring, healing, a...