Software Development Engineer 3

About the role

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! As a Full Stack Software Developer, you will be joining the WEX OTR Value Added Services team and will focus on designing, building , enhancing and maintaining our web applications interacting with our end customers and partners.

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 years in software engineering
• REST APIs
• Python
• Java
• Microservices
• Go
• Angular
• Any graduate

Good to have

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