Senior Software Engineer

Posted 2 Days Ago
Be an Early Applicant
Hiring Remotely in São Paulo, BRA
In-Office or Remote
Senior level
Fintech • Payments
The Role
Design, develop, test, and support cloud-native benefits software and services. Collaborate with product managers, stakeholders, and customers to solve business problems; build REST APIs and web applications; apply test-driven and behavior-driven development; improve microservice architectures and engineering processes; monitor production systems and respond to incidents; analyze performance bottlenecks; mentor peers; and independently deliver complex projects.
Summary Generated by Built In

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.

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.
  • 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 Qualifications:

  • Bachelor'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 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 record 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
  • Experience in developing Cloud-Native applications and services

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)

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


  • Kubernetes
  • Helm/ArgoCD
  • Terraform
  • GitHub Actions
  • NoSQL databases
  • GraphQL
  • Azure

Skills Required

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent demonstrable experience
  • At least 5 years of software engineering experience
  • Strong problem-solving and analytical skills
  • Excellent communication and collaboration skills
  • Passion for modern technologies and design
  • Strong proficiency in Angular and/or React
  • Experience building and consuming REST APIs
  • Experience writing comprehensive unit tests and test suites
  • Understanding of software security principles and OWASP guidelines
  • Proficiency with Git version control and CI/CD pipelines
  • Experience with Agile development methodologies
  • Track record of delivering complex projects on schedule
  • Experience writing performant stored procedures and functions
  • Experience developing cloud-native applications and services
  • C# proficiency
  • Python proficiency if applicable
  • Docker experience
  • Experience with a modern relational database such as MS SQL, PostgreSQL, or MySQL
  • ASP.NET RESTful API design experience
  • Kafka or event-driven design experience
  • Experience with modern web UI frameworks and libraries such as Angular or React
  • Kubernetes experience
  • Helm or Argo CD experience
  • Terraform experience
  • GitHub Actions experience
  • NoSQL database experience
  • GraphQL experience
  • Azure experience

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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