Senior Software Engineer

Wex; São Paulo; On-site; BRL 180,000 - 300,000; Full time

Job summary

WEX seeks a Software Engineer III, Benefits Engineering, in São Paulo to build next-generation employer benefits solutions. You’ll work with product managers and customers, design scalable features, and write high-quality, tested software.

Exemplary problem-solving and communication are valued. You’ll contribute to TDD/BDD, microservices, and cloud-native architectures while supporting live systems and continuous improvement.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related field or equivalent experience.
• Min 5 years of software engineering experience.
• Strong problem-solving and analytical skills with excellent communication and collaboration.
• Proficiency in Angular and/or React; experience building REST APIs; strong testing mindset with unit tests.
• Solid knowledge of software security (OWASP), Git, and CI/CD pipelines.
• Experience with Agile development, cloud-native applications, and scalable architectures.

Responsibilities

• Collaborate with stakeholders to learn about customer challenges and drive data-based decisions.
• Design, test, code, and instrument new software solutions.
• Strengthen engineering processes with TDD/BDD, microservices, and vertical slice architectures.
• Support live applications with monitoring, incident response, and continuous improvement.
• Analyze existing systems to identify bottlenecks and learn from peers.
• Become a subject matter expert in your functional area and best practices.
• Apply creative problem solving to resolve issues and propose approaches.
• Independently complete work and review with others; take ownership with minimal supervision.

Skills

Problem solving

Analytical skills

Excellent communication

Collaborative

Education

Bachelor's degree in Computer Science or related field

Tools

Angular

React

REST APIs

Git

CI/CD

AWS/Azure

Docker

Kubernetes

SQL

PostgreSQL

MS SQL

Job description

Software Engineer III, 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 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.

ResponsibilitiesCollaborate with stakeholders to learn about our customers biggest asure, 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 ntor and learn from your peers, foster continuous learning within your team and organization.

Become a subject matter expert in your functional area and best practices.

Assess unique circumstances and apply creative problem-solving techniques to resolve issues or suggest various approaches.

Independently complete work and proactively review with others.

Highly self-motivated, take ownership of your work, actively seek out ways to contribute, and require minimal supervision.

Required

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

At least 5 years of experience in software engineering.

Strong problem-solving and analytical skillsExcellent communication and collaboration skills. Passionate about keeping up with modern technologies and design.

Strong proficiency in Angular and/or ReactExperience building and consuming REST APIsProven track record of writing comprehensive unit tests and test suitesStrong understanding of software security principles and OWASP guidelinesProficiency with Git version control and CI/CD pipelinesExperience with Agile development methodologiesExcellent communication and collaboration abilitiesTrack record of delivering complex projects on scheduleExperience in writing performant stored procedures and functionsExperience in developing Cloud-Native applications and servicesTechnology Must-HavesC#, Python (if applicable)DockerModern RDBMS (i.e. MS SQL, Postgres, My SQL)ASP. NET RESTful API designKafka / event-driven designModern Web UI Frameworks and Libraries (i.e. Angular, React)Technology Nice-To-Have Or Dedicate To Learning QuicklyKubernetesHelm/Argo CDTerraformGit Hub ActionsNo SQL databasesGraph QLAzure