Software Development Engineer 2

WEX Inc.; Brasil; Remote; BRL 120,000 - 210,000; Full time

Job summary

WEX Inc. is seeking a Software Engineer II for the Benefits Technology team to design and deliver high-quality software.

You will work with a team to implement features using TDD/BDD, mentor junior engineers, and contribute to AI-assisted development workflows. The role focuses on building scalable benefits solutions, integrating with REST APIs, and utilizing cloud and container technologies like Azure, Docker, and Kubernetes to ensure robust, maintainable software and seamless deployment

Qualifications

• Bachelor's degree in CS/Software Engineering or equivalent experience.
• At least 2 years of software engineering experience.
• Strong problem-solving and collaboration skills.
• Experience building and consuming REST APIs.

Responsibilities

• Propose designs, test, code, and instrument new solutions in partnership with juniors.
• Mentor juniors and new team members to grow their technical capabilities.
• Monitor, measure, and improve service performance and system health.

Skills

Problem solving

Communication

Collaboration

Learning new technologies

Education

Bachelor's degree in Computer Science / Software Engineering or related field

Tools

Azure

Docker

Kubernetes

GitHub Actions

ASP.NET

REST APIs

Kafka

MS SQL

PostgreSQL

NoSQL

GraphQL

Job description

Software Engineer II, Benefits Engineering 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 II on the WEX Benefits Technology team, you will serve as a core contributor within your engineering team, responsible for delivering high-quality software with minimal support. You will implement solutions designed by the team while employing Test Driven Development (TDD) and accelerated delivery through the effective use of Artificial Intelligence. You play a key role in mentoring junior engineers (SDE I) and fostering a culture of continuous learning and operational excellence.

Responsibilities:

• Propose designs, test, code, and instrument new solutions in partnership with juniors with minimal support, implementing features based on designs and architectural patterns reviewed and agreed upon by the team.
• Mentor juniors and new team members, helping them navigate technical challenges and understand team processes to foster their growth.
• Monitor, measure, and inspect operational and quality metrics; proactively surface opportunities for improving service performance and system health to the wider team.
• Support production solutions with proactive monitoring, rapid incident response, and continuous improvement; analyze systems to identify bottlenecks.
• Learn our team’s process and best practices, independently apply them to given tasks and provide feedback to improve team performance.
• Learn new technologies, sharing your findings and learnings with the team to demonstrate mastery of the content and promote adoption.
• Work closely with senior team members to review work, ensuring code is readable, maintainable, and covered by comprehensive test suites.
• Strengthen and drive the engineering process using TDD and BDD, Microservice and Vertical Slice Architectures (VSA).
• Leverage AI-powered development tools (e.g., code completion, refactoring assistance) to enhance coding efficiency and maintain high code quality.

Required Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or related field; OR demonstrable equivalent experience.
• At least 2 years of work 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#, Python (if applicable)
• Understanding of applied OOP, SOLID, and design principles
• Strong aptitude for integrating AI/ML-driven development workflows into the daily Software Development Lifecycle (SDLC)

Cloud & Infrastructure:

• Azure, Docker, Kubernetes, and GitHub Actions

Architecture:

• Knowledge of RESTful API design and Kafka/event-driven design

Data:

• Modern RDBMS (e.g., MS SQL, Postgres) and NoSQL databases

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

• Advanced Ops: Helm, ArgoCD, Terraform
• Advanced Querying: GraphQL
• ASP.NET RESTful API design
• Modern Web UI Frameworks and Libraries (i.e. Angular, React)

WEX is a global commerce platform that helps businesses solve for operational complexities like employee benefits, managing and mobilizing fleets, and streamlining payments. With over 6,500 employees, we work with large and small companies in more than 200 countries and territories, and can tailor our services to meet the unique needs of their businesses.

We hire people who share our passion for continuous innovation and client service that is unparalleled in the industry.

Offering comprehensive and market competitive benefits, our offerings are designed to support your personal and professional well-being.

WEX is an equal opportunity employer committed to diversity and inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to sex, race, color, age, national origin, religion, sexual orientation, gender identity, protected veteran status, disability or other protected status. WEX promotes a drug-free workplace. Qualified individuals with a disability have the right to request a reasonable accommodation. If you require a reasonable accommodation as a result of your disability at any point in the job application process, please submit your request through our Reasonable Accommodation Request Form. This form is for accommodation requests only and cannot be used to inquire about the status of applications.