Software Development Engineer 2

Posted 12 Days Ago
Hiring Remotely in Brazil
Remote
Junior
Fintech • Payments
The Role
Develop and maintain software for WEX Benefits solutions using C#, APIs, cloud infrastructure, microservices, event-driven architecture, and modern databases. Design, test, code, instrument, and support production systems with minimal supervision. Apply TDD and BDD, monitor system health, respond to incidents, identify performance improvements, and leverage AI-powered development tools. Mentor junior engineers, collaborate on architectural decisions, and promote maintainable, well-tested code and continuous engineering improvement.
Summary Generated by Built In

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 Dedicate 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)

Skills Required

  • Bachelor's degree in Computer Science, Software Engineering, or a 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
  • Passion for keeping up with modern technologies and design
  • Experience building and consuming REST APIs
  • C#
  • Python, if applicable
  • Understanding of object-oriented programming, SOLID, and design principles
  • Ability to integrate AI/ML-driven development workflows into the software development lifecycle
  • Experience with Azure, Docker, Kubernetes, and GitHub Actions
  • Knowledge of RESTful API design and Kafka or event-driven design
  • Experience with modern relational databases such as Microsoft SQL Server or PostgreSQL and NoSQL databases
  • Experience or ability to quickly learn Helm, ArgoCD, and Terraform
  • Advanced querying experience with GraphQL
  • ASP.NET RESTful API design experience
  • Experience with modern web UI frameworks or libraries such as Angular or React

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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