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Popular backend title and mid-level (5-8yrs) band produce moderate candidate competition.
Core backend and cloud skills are transferable, but payments and PCI compliance increase domain specificity.
Explicit 5-8 year requirement plus specific backend, cloud, and payment-related technical skills enforce strict filtering.
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Design, develop, and maintain scalable backend services and public REST APIs using Java and internal gRPC APIs for WEX Mobility products serving fleet management and payment solutions.
Lead system design decisions, drive alignment with senior engineers, and implement automation for testing, monitoring, deployment, and scaling to improve stability and reduce time to market.
Provide live-site production support, conduct root cause analysis, mentor junior engineers, and maintain technical documentation.
Bachelor’s degree in Computer Science or Software Engineering.
5-8 years of professional experience in software engineering.
Proficiency in backend development with Java, Go, or C# and frameworks like SpringBoot; experience building and optimizing RESTful APIs and SQL/Mongo databases.
Experience with AWS cloud infrastructure including deployment, observability, and monitoring.
Experienced in building internet-scale, secure, and highly available backend services with strong data structures, algorithms, and object-oriented design skills.
Capable of leading design discussions, mentoring junior engineers, and driving engineering best practices in a collaborative environment.
Familiar with event-driven architecture (e.g., Kafka), payment solutions, cloud-native technologies (Docker, Kubernetes), API security, and PCI DSS compliance.