Software Development Engineer 3

About the role

WEX Inc. is a leading and growing global provider of payment processing, information management and fleet card payment solutions. We hire people who share our passion for continuous innovation and client service that is unparalleled in the industry. If you are looking for a growing career – come be part of WEX today!

What you'll do

• Lead the design and implementation of complex backend features, distributed microservices, and asynchronous REST APIs optimized for high throughput, low latency
• Design event-driven data pipelines, real-time message integrations, serverless functions
• Implement advanced error handling (retry patterns, circuit breakers), automated database migrations, and secure authentication/authorization flows (OAuth 2.0, JWT, RBAC)
• Implement micro frontend (MFE) architecture and low latency user interface systems
• Manage cloud infrastructure via Infrastructure as Code (IaC), optimize containerized environments, and establish robust observability stacks (distributed tracing

What you need

• 5–9 yrs of experience
• REST APIs
• Python
• Java
• Microservices
• Go
• Angular
• Any graduate

Good to have

• CI/CD
• Prometheus
• Grafana
• Terraform
• ETL
• Performance testing