Wex is a financial technology service provider across a wide spectrum of sectors, including fleet, travel and healthcare.

About The Team/Role 
 
We are seeking an Intermediate Software Engineer in the WEX Transaction Systems organization. This role will be a software engineer to help develop, drive, and execute implementation in an engineering team for the WEX Transaction Systems platform applications. Transaction Systems deals with card swipe authorization and clearing txn processing for WEX’s industry-leading fuel card platform. 
 
As an Intermediate Backend Software Development Engineer on our team, you will be a key contributor following best practices in developing, and maintaining our cloud-native solution and delivering best in class solutions. You'll work with a modern tech stack including containerization, Kafka event streams, core java and APIs written in Java. 
 
Our core stack is Java-based, but we value engineering fundamentals over specific tools. If you have a solid background in .NET, Python, or C and a passion for building scalable distributed systems, you’ll fit right in! 
 
This is an opportunity for you to join an agile, and collaborative team that values ownership, high-quality results, and a fun working environment. 
 
How You’ll Make An Impact 
 


* Develop and implement scalable and reliable software solutions using modern backend languages (such as Java, C#, Python, or .NET), leveraging Kafka and distributed systems architecture to solve complex problems.
* Write clean, maintainable, and well-documented code.
* Participate in code reviews and collaborate with other team members to ensure high code quality.
* Troubleshoot and resolve issues in a timely and efficient manner.
* Pick up new technology and switch between tech stacks with a minimum of fuss.
* Stay abreast of industry best practices and emerging technologies. 
 
 

Experience You’ll Bring 
 


* Bachelor's degree in Computer Science, Engineering, or a related field.
* Experience in backend software development, developing and supporting cloud-based infrastructure as code.
* Strong understanding of data structures and algorithms, object-oriented design, and problem-solving skills.
* Experience with Docker and orchestration tools like Kubernetes for deployment.
* Experience with event streaming platforms (e.g., Kafka).
* Experience with cloud platforms such as AWS.
* Experience with logging, metrics, and tracing tools (e.g., Grafana, Splunk) to monitor and troubleshoot live systems.
* Excellent written and verbal communication skills, and a collaborative mindset. 
 
 

Desired Qualifications & Experiences 
 


* Familiarity with implementing RESTful APIs and/or gRPC services.
* Experience with automated deployment pipelines.
* Examples of passion projects or contributions to open-source projects.
* Passion for technology and a desire to learn and grow. 
 
 

We are looking for engineers who are passionate about building innovative solutions, collaborating with a talented team, and making a meaningful impact on our business. If this sounds like you, we encourage you to apply!

Software Development

Java

Python

Apache Kafka

Agile

Data structure

Docker

Algorithm

Kubernetes

Amazon

Project management

Cloud

Infrastructure

Data

Communications

ASP.NET

Grafana

Splunk

RESTful API

gRPC

Cloud Native

Event Pipeline

Orchestration

Infrastructure as Code

Object design

Deployment automation

Intermediate Backend Software Development Engineer (C/Python/Java or .NET)