Senior Staff Software Engineer (Java)

Sorry, this job was removed at 08:14 p.m. (CST) on Wednesday, Jan 14, 2026
12 Locations
In-Office or Remote
158K-210K Annually
Fintech • Payments
The Role

* This is a remote position; however, the candidate must reside within 30 miles of one of the following locations: Seattle, WA; Boston, MA; Chicago, IL; San Francisco Bay Area, CA; Dallas, TX; Washington D.C; and Portland, ME.

About the Team/Role

We are the WEX Fleet Services team, dedicated to building modern API interfaces for WEX’s industry-leading fuel card platform. We are defining and creating APIs for both internal and external customers, and we're at the forefront of creating a foundation to open up new opportunities for WEX.

As a Senior Staff Software Engineer on our team, you will be a key contributor and leader following best practices in designing, developing, and maintaining our cloud-native solution and deliver best in class solutions. You'll work with a modern tech stack including containerization, Kafka event streams, ElasticSearch, and APIs written in Java. 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

  • Design, develop, and implement scalable and reliable software solutions using Kafka, ElasticSearch, and other modern technologies.

  • Contribute to the architecture and design of our cloud-native infrastructure.

  • 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.

  • 5-10 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.

  • Expertise in designing and developing internet-scale services with scalability, availability, security, and reliability design tenets.

  • Excellent written and verbal communication skills, and a collaborative mindset.

  • Strongly proficient with event streaming platforms (e.g., Kafka).

  • Expertise in Elasticsearch, including query optimization, indexing, and data analysis.

  • Experience with cloud platforms such as AWS.

Bonus points for

  • Experience with Kafka, AWS, Elasticsearch and Java.

  • 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: $158,000.00 - $210,000.00

Similar Jobs

In-Office or Remote
12 Locations
4900 Employees
166K-204K Annually

Magna International Logo Magna International

Quality Assurance Support Student

Automotive • Hardware • Robotics • Software • Transportation • Manufacturing
Remote or Hybrid
Woodbridge, ON, CAN
171000 Employees
25-25 Hourly

Applied Systems Logo Applied Systems

Consultant

Cloud • Insurance • Payments • Software • Business Intelligence • App development • Big Data Analytics
Remote or Hybrid
3 Locations
3040 Employees
76K-114K Annually

Optum Logo Optum

Software Engineer

Artificial Intelligence • Big Data • Healthtech • Information Technology • Machine Learning • Software • Analytics
In-Office or Remote
Richmond, BC, CAN
160000 Employees
63K-132K Annually
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Portland, ME
4,900 Employees
Year Founded: 1983

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.

Similar Companies Hiring

Rain Thumbnail
Web3 • Payments • Infrastructure as a Service (IaaS) • Fintech • Financial Services • Cryptocurrency • Blockchain
New York, NY
80 Employees
Scotch Thumbnail
Software • Retail • Payments • Fintech • eCommerce • Artificial Intelligence • Analytics
US
25 Employees
Kepler  Thumbnail
Fintech • Software
New York, New York
6 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account