Senior Software Engineer in Mobility Engineering at WEX developing backend solutions for fleet management. Responsible for scalable system design and leadership in code quality and best practices.
Responsibilities
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, and scaling applications, continuous integration and deployment to reduce time to market
Collaborate with cross-functional teams, including product managers and other engineers, to define and implement new features
Conduct code reviews (comment, approve, seek revisions, merge), mentor senior engineers, and actively promote engineering best practices
Dive deep and troubleshoot complex issues, devise fixes, author root cause analysis documents, and ensure lasting performance and reliability
Conduct objective and comparative analyses of competing technologies to advise the team of pros and cons of a technology solution
Devise mechanisms to create robust documentation (design docs, run books, change management docs, and readiness plans)
Design tech strategy for live-site support by designing monitoring systems via code, ensuring rapid incident resolution, and driving continuous improvement
Drive cross-team projects as a single-threaded-owner (STO) or tech lead, and actively unblock other engineers to make progress
Requirements
Master's degree in Computer Science or Software Engineering
10+ years of professional experience in software engineering
Strong understanding of data structures and algorithms, object-oriented design, and problem-solving skills
Expertise in designing and developing internet-scale services with scalability, availability, security, and reliability design tenets
Excellent written and verbal communication skills, and a collaborative and empathetic mindset
Proficiency in backend development, with proficiency expertise in Java or C#, and frameworks like SpringBoot, building and optimizing RESTful APIs, ODATA framework, and SQL
12+ years of experience in software engineering (preferred)
Experience with event-driven architecture using AsyncAPI and efficient internal service communication methods (preferred)
Expertise in working on card payments (ISO8583) and PCI DSS compliance (preferred)
Expertise in APIs’ scalability (preferred)
Ability to work on existing codebase, contribute improvements, and adapt to legacy systems’ constraints (preferred)
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