Senior Software Engineer; Java

Mid-Level Software Development Engineer 2

This is a remote position; however, the candidate must reside within 30 miles of one of the following locations:
Boston, MA;
San Francisco Bay Area, CA;
Dallas, TX;
Salt Lake City, UT;
Seattle, WA; and Portland, ME.

We are seeking a Software Engineer in the WEX Transaction Systems organization. This role will 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 transaction processing for WEX’s industry-leading fuel card platform.

As a Mid-Level Software 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. This is an opportunity for you to join an agile, collaborative team that values ownership, high-quality results, and a fun working environment.

• Develop, and implement scalable and reliable software solutions using core Java, Kafka, and other modern technologies.
• 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.

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 3 – 5 years of software development experience, including experience 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.

• 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!

The base pay range represents the anticipated low and high end of the pay range for this position. Actual pay rates will vary and will be based on various factors, such as your qualifications, skills, competencies, and proficiency for the role. Base pay is one component of WEX's total compensation package. Most sales positions are eligible for commission under the terms of an applicable plan.

Non-sales roles are typically eligible for a quarterly or annual bonus based on their role and applicable plan. WEX's comprehensive and market competitive benefits are designed to support your personal and professional well-being. Benefits include health, dental and vision insurances, retirement savings plan, paid time off, health savings account, flexible spending accounts, life insurance, disability insurance, tuition reimbursement, and more.

For more information, check out the "About Us" section.

Pay Range: $94,000.00 - $

Mid‑Senior level

Full‑time

Engineering and Information Technology

Software Development