Mid Software Development Engineer

Posted:
2/10/2026, 6:28:53 AM

Location(s):
State of São Paulo, Brazil ⋅ São Paulo, State of São Paulo, Brazil ⋅ Porto Alegre, State of Rio Grande do Sul, Brazil ⋅ State of Bahia, Brazil ⋅ State of Rio Grande do Sul, Brazil ⋅ São Paulo, Brazil

Experience Level(s):
Junior ⋅ Mid Level

Field(s):
Software Engineering

Workplace Type:
Remote

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.

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.

Responsibilities:

  • 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.

  • Learn our team’s process and best practices, and independently apply them to given tasks.

  • Work closely with senior team members and your manager to review completed work.

  • Focus on continuous learning of new technologies.

Required Qualifications:

  • Bachelor's degree in Computer Science, Software Engineering, or related field;
    OR demonstrable equivalent experience.

  • Solid experience in software engineering.

  • Strong problem-solving skills, excellent communication and collaboration skills.

  • Passionate about keeping up with modern technologies and design.

  • Experience building and consuming REST APIs

Technology Must-Haves:

  • C#

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

  • ASP.NET RESTful API design

  • Event-driven design

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

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

  • Kubernetes

  • Helm/ArgoCD

  • Terraform

  • GitHub Actions

  • NoSQL databases

  • GraphQL

  • Azure

  • Docker

  • Python

  • Kafka / event-driven design

  • AI

Wex

Website: https://www.wexinc.com/

Headquarter Location: Portland, Maine, United States

Employee Count: 5001-10000

Year Founded: 1983

IPO Status: Public

Last Funding Type: Post-IPO Debt

Industries: Financial Services ⋅ FinTech ⋅ Payments ⋅ Software