Senior .NET Engineer – Cloud, Kafka & Distributed Systems

Sorry, this job was removed at 04:11 p.m. (CST) on Wednesday, Aug 13, 2025
11 Locations
In-Office
135K-180K Annually
Fintech • Payments
The Role

About Us

At WEX, we simplify the business of running a business.  Our WEX Benefits solutions reduce complexity and help manage costs of benefits administration for our clients and partners.  We are looking for passionate technologists, collaborators, and problem solvers to join our Benefits Technology team as we build the next generation of employer benefits solutions and services.

About the Team

As a Software Engineer on the WEX Benefits Technology team, you will work in a team that partners closely with Product Managers and customers to learn about the challenges employers face while navigating the competitive employee benefits landscape.  You will design solutions that solve problems in ways our customers love and work for our business.  You will build the highest quality software in the latest technologies and test driven development practices.

Impact you will make

  • Collaborate with stakeholders to learn about our customers biggest challenges.

  • Measure, inspect, and drive decisions using data.

  • Design, test, code, and instrument new solutions.

  • Strengthen and drive our engineering process with TDD and BDD, Microservice and Vertical Slice Architectures.

  • Support live applications, promote proactive monitoring, rapid incident response, and continuous improvement.

  • Analyze existing systems and processes to identify bottlenecks and opportunities for improvements.

  • Mentor and learn from your peers, foster continuous learning within your team and organization.

  • Lead initiatives for your team by using your wide-ranging experience and deep technical knowledge to make decisions on method and approach to solving issues.

  • Hold your team accountable for delivering quality results using defined OKRs.

  • Interact with Senior Managers to discuss plans, results, and advise on complex matters.

Required Qualifications:

C#. .NET, kafka, distributed systems, designing services, cloud technologies, leading teams technically are all things that are key for this role

  • Bachelor's degree in Computer Science, Software Engineering, or related field; and at least 10 years of experience in software engineering.

  • Strong problem-solving and analytical skills

  • Excellent communication and collaboration skills.

  • Passionate about keeping up with modern technologies and design.

  • Strong proficiency in Angular and/or React

  • Experience building and consuming REST APIs

  • Proven track recor

  • d of writing comprehensive unit tests and test suites

  • Strong understanding of software security principles and OWASP guidelines

  • Proficiency with Git version control and CI/CD pipelines

  • Experience with Agile development methodologies

  • Excellent communication and collaboration abilities

  • Track record of delivering complex projects on schedule

  • Experience in writing performant stored procedures and functions

Technology Must-Haves:

  • C#, Python (if applicable)

  • Docker

  • Modern RDBMS (i.e. MS SQL, Postgres, MySQL)

  • ASP.NET RESTful API design

  • Kafka / event-driven design

  • Modern Web UI Frameworks and Libraries (i.e. Angular, React)

  • Kubernetes

  • NoSQL databases

  • Experience in developing Cloud-Native applications and services

Technology Nice-To-Have or Dedicate to Learning Quickly:

  • Helm/ArgoCD

  • Terraform

  • GitHub Actions

  • GraphQL

  • Azure

  • Generative AI and Agentic AI models and frameworks

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: $135,000.00 - $180,000.00

WEX Inc. Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about WEX Inc. and has not been reviewed or approved by WEX Inc..

  • Leave & Time Off Breadth Leave offerings are portrayed as a standout, with generous PTO and additional paid time for volunteering. Time-off flexibility is also positioned as a meaningful part of the overall rewards experience.
  • Retirement Support Retirement benefits are presented as strong, including a 401(k) match that is described as competitive. This element appears to materially strengthen the total rewards package even when cash compensation feels less compelling.
  • Strong & Reliable Incentives Variable compensation is sometimes framed positively through bonuses and uncapped earning potential in sales-oriented roles. Stock options are also cited as an additional reward component that can improve perceived total compensation.

WEX Inc. Insights

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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.

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