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!
Top Skills
What We Do
We simplify complex payment systems for fleets, corporate payments, and healthcare—unlocking insights, opportunities, and efficiencies to give you greater control of your business. Powered by the belief that complex payment systems can be made simple, WEX (NYSE: WEX) is a leading financial technology service provider across a wide spectrum of sectors, including fleet, travel and healthcare. WEX operates in more than 10 countries and in more than 20 currencies through approximately 4,900 associates around the world. WEX fleet cards offer approximately 14 million vehicles exceptional payment security and control; our travel and corporate solutions business processes over $35 billion of purchase volume annually; and the WEX Health financial technology platform helps 343,000 employers and more than 28 million consumers better manage healthcare expenses.
