
Transport ⢠Finance ⢠Fintech
WEX is a global commerce platform specializing in various business solutions to address operational challenges. They provide services in managing and mobilizing fleets with their fuel card systems, offering comprehensive fleet management and analytics. Additionally, they focus on business payments solutions that streamline processes across industries, enhancing efficiency and security. WEX is also involved in employee benefits administration, helping organizations effectively manage health and reimbursement accounts. Their diverse range of services caters to numerous sectors, emphasizing innovation, sustainability, and effective solutions for business growth.
5001 - 10000 employees
Founded 1983
đ Transport
đ¸ Finance
đł Fintech
đ° $310M Post-IPO Debt on 2020-06
October 15
đ California â Remote
đ˝ Illinois â Remote
+4 more states
đľ $135k - $180k / year
â° Full Time
đ´ Lead
đ§âđť Full-stack Engineer
đŚ H1B Visa Sponsor
AWS
Azure
Cassandra
Cloud
Distributed Systems
Google Cloud Platform
Grafana
GRPC
Java
Kafka
Microservices
MongoDB
NoSQL
Postgres
Prometheus
RabbitMQ
Spring
Spring Boot
SpringBoot

Transport ⢠Finance ⢠Fintech
WEX is a global commerce platform specializing in various business solutions to address operational challenges. They provide services in managing and mobilizing fleets with their fuel card systems, offering comprehensive fleet management and analytics. Additionally, they focus on business payments solutions that streamline processes across industries, enhancing efficiency and security. WEX is also involved in employee benefits administration, helping organizations effectively manage health and reimbursement accounts. Their diverse range of services caters to numerous sectors, emphasizing innovation, sustainability, and effective solutions for business growth.
5001 - 10000 employees
Founded 1983
đ Transport
đ¸ Finance
đł Fintech
đ° $310M Post-IPO Debt on 2020-06
⢠Lead the design, architecture, and implementation of highly available and resilient microservices using Java and the Spring ecosystem ⢠Drive technical roadmaps, project plans, and architectural decisions, balancing rapid delivery with long-term platform stability ⢠Be responsible for critical non-functional requirements, including system performance, observability, security, and scalability under high load ⢠Define and advocate for engineering best practices, including code quality standards, comprehensive testing strategies, and efficient code review processes ⢠Partner closely with product management and front-end teams to design clean, effective, and robust APIs (REST/gRPC) ⢠Advise senior leadership on complex technical trade-offs and lead technical initiatives across organizational boundaries, driving consensus and adoption ⢠Provide technical mentorship and guidance to mid-level and senior engineers, fostering a culture of high engineering standards
⢠10+ years of progressive software design and development experience at scale ⢠significant experience in a technical leadership or staff-level role ⢠deep expertise in Java and the Spring ecosystem (Spring Boot, Spring Data) ⢠proven experience designing and operating distributed systems and microservices architectures in a cloud environment (AWS, Azure, or GCP) ⢠mandatory experience with high-volume data modeling, transactional integrity, and database technologies (both relational like PostgreSQL and NoSQL like Cassandra/MongoDB) ⢠strong practical experience with event-driven architectures and messaging systems (e.g., Kafka or RabbitMQ) ⢠experience working with Service Mesh technologies like Istio for traffic management, security (mTLS), and resiliency patterns ⢠demonstrated commitment to engineering quality, including deep experience with Test-Driven Development (TDD) and designing robust regression testing strategies ⢠expert knowledge of CI/CD pipelines, deployment automation, and modern observability tools (e.g., Prometheus, Grafana, Jaeger) ⢠excellent analytical skills and capability in identifying and resolving complex, cross-functional problems ⢠Bachelor's degree in Computer Science or a related field.
⢠health, dental and vision insurances ⢠retirement savings plan ⢠paid time off ⢠health savings account ⢠flexible spending accounts ⢠life insurance ⢠disability insurance ⢠tuition reimbursement ⢠and more.
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