[Remote] Senior Software Engineer

Note: The job is a remote job and is open to candidates in USA. WEX Health, Inc. simplifies the business of running a business, focusing on benefits administration solutions. They are seeking a Senior Software Engineer to design, develop, and test software systems, ensuring quality standards are met while also mentoring peers and driving continuous improvement in engineering processes.ResponsibilitiesSupport applications both during and outside business hoursResolve issues and Service Requests quickly and efficientlySupport production deployments, which occur on evenings and weekends. Contribute to post-deployment application validation. Quickly troubleshoot, evaluate, and resolve any issues that ariseParticipate in and lead team conversations, meetings and feature discussionsDesign application architecture. Others use your designs as examples to use fromDevelop solutions that can be performant, scalable, consistent, and supportable that can be accomplished within the available scope, time and budgetPerform design and code reviews within the team and across other teams to ensure implementations adhere to goals, industry standards and best practicesDeliver software that meets requirements by applying knowledge of the product area to provide the best long-term solutionsEnsure code is testable at all levels (unit, integration, and end-to-end)Increase unit test coverageReview requirements to provide meaningful, timely and critical feedback to improve themEnsure requirements are feasible, implementation is efficient, and the design is aligned with the technical direction of WEXEstimate and prioritize project requestsAssist with internal partner initiatives and projectsWork with Architects, Software Engineers, Quality Assurance Engineers and Business Analysts to collaborate on design and delivery decisionsCollaborate with stakeholders to learn about our customers' biggest challengesMeasure, inspect, and drive decisions using dataDesign, test, code, and instrument new solutionsStrengthen and drive our engineering process with TDD and BDD, Microservice and Vertical Slice ArchitecturesSupport live applications, promote proactive monitoring, rapid incident response, and continuous improvementAnalyze existing systems and processes to identify bottlenecks and opportunities for improvementsMentor and learn from your peers, foster continuous learning within your team and organizationBecome a subject matter expert in your functional area and best practicesAssess unique circumstances and apply creative problem-solving techniques to resolve issues or suggest various approachesIndependently complete work and proactively review with othersSkillsBachelor's degree in Computer Science, Software Engineering, or related fieldStrong experience in software engineering with a Bachelor's degreeStrong problem-solving and analytical skillsPassionate about keeping up with modern technologies and designStrong proficiency in Angular and/or ReactExperience building and consuming REST APIsProven track record of writing comprehensive unit tests and test suitesStrong understanding of software security principles and OWASP guidelinesC#Azure/AWS, DockerModern RDBMS (i.e. MS SQL, Postgres, MySQL)ASP.NET RESTful API design, GraphQLKafka / event-driven designJira/ConfluenceModern Web UI Frameworks and Libraries (i.e. Angular, React)KubernetesHelm/ArgoCDTerraformGitHub ActionsNoSQL databasesBenefitsCommission under the terms of an applicable planQuarterly or annual bonus based on their role and applicable planHealth, dental and vision insurancesRetirement savings planPaid time offHealth savings accountFlexible spending accountsLife insuranceDisability insuranceTuition reimbursementCompany OverviewWex is a financial technology service provider for fleet, travel and healthcare industries. It was founded in 1983, and is headquartered in Portland, Maine, USA, with a workforce of 5001-10000 employees. Its website is http://www.wexinc.com.Company H1B SponsorshipWEX has a track record of offering H1B sponsorships, with 4 in 2026, 22 in 2025, 10 in 2024, 12 in 2023, 20 in 2022, 14 in 2021, 18 in 2020. Please note that this does not guarantee sponsorship for this specific role.