Backend Engineer - Mobility APIs & Microservices

WEX, Inc.; Seattle (WA); On-site; USD 122,000 - 146,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Job summary

WEX, Inc. is seeking a versatile software engineer to design, develop, and maintain backend services and APIs. You will build scalable microservices, work with relational and NoSQL databases, and use Kafka, Elasticsearch, AWS, and containers.

Join an agile team focused on reliability, performance, and secure cloud-native solutions. You will contribute to architecture, review code, and own features end-to-end, including testing and deployment.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field or equivalent experience.
• 3+ years of professional software development experience.
• Strong programming in Java and/or Python with OO design fundamentals.
• Experience building RESTful APIs and microservices.
• Experience with relational databases and SQL optimization.
• Exposure to NoSQL, Kafka, Elasticsearch, AWS, and CI/CD practices.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs.
• Build and enhance microservices and distributed systems.
• Work with relational and NoSQL databases focusing on performance and data integrity.
• Develop with Kafka, Elasticsearch, AWS in containerized environments.
• Contribute to cloud-native architecture and scalable platforms.
• Write clean, testable, well-documented code and participate in code reviews.
• Troubleshoot complex issues and apply DevOps practices like CI/CD and monitoring.
• Learn new technologies and adapt across tech stacks as needed.
• Take ownership from design through production support.

Skills

Java

Python

REST APIs

API design

OO design

Cloud/DevOps

Education

Bachelor's degree in CS/Engineering

Tools

AWS

Kafka

Elasticsearch

PostgreSQL/Oracle

Docker

Kubernetes/Terraform

Job description

WEX, Inc. is seeking a versatile software engineer to design, develop, and maintain backend services and APIs. You will build scalable microservices, work with relational and NoSQL databases, and use Kafka, Elasticsearch, AWS, and containers.

Join an agile team focused on reliability, performance, and secure cloud-native solutions. You will contribute to architecture, review code, and own features end-to-end, including testing and deployment.