Senior Frontend Engineer (Angular)

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Hiring Remotely in São Paulo, BRA
In-Office or Remote
Fintech • Payments
The Role

About the Team/Role:

We’re looking for a Senior software engineer with strong front-end expertise and full-stack exposure to join our NAM Experiences team. You’ll help design and develop intuitive, performant web applications that integrate with our backend services and deliver seamless customer experiences that enhance the customer experience. These platforms allow large fleets and transportation companies to issue and manage credit for their drivers and operators—powering everything from digital spend controls to real-time transaction insights. You’ll focus on building robust and responsive user interfaces that help fleet managers configure controls, view reports, and streamline daily operations.

 

​How you’ll make an impact:

  • Design, develop, and maintain robust, scalable, and high-performance web applications.

  • Build and evolve shared component libraries and design-system assets used across multiple Mobility applications.

  • Develop systems designs, and drive alignment across teams.

  • Implement comprehensive automated testing strategies, including unit, integration, end-to-end, load, and performance testing.

  • Identify bottlenecks and tech debt; drive incremental scalability, and stability improvements.

  • Develop and enhance automation frameworks for testing, monitoring, auto-scaling, continuous integration and deployment to reduce time to market

  • Partner with Product, Design, and UX to deliver high-quality user experiences

  • Conduct code reviews (comment, approve, seek revisions, merge), and champion engineering best practices, and continuously raise the quality bar.

  • Troubleshoot complex production issues, devise fixes, author root cause analysis documents, and ensure lasting performance and reliability.

  • Maintain robust documentation (design docs, run books, change management docs, and readiness plans) 

  • Provide live-site production support, ensuring rapid incident resolution, and driving continuous improvement.

  • Drive cross-team projects as a single-threaded-owner (STO) or tech lead, and actively unblock other engineers to make progress.

  • Gain hands-on experience with automation and AI-driven engineering solutions.

​Experience you'll bring:

  • Bachelor’s degree in Computer Science or Software Engineering.

  • 5-8 years of professional experience in software engineering.

  • Strong foundation in data structures and algorithms, object-oriented design, and problem-solving.

  • Proficiency with modern front-end frameworks such as Angular (preferred) or React.

  • Strong skills in TypeScript/JavaScript, HTML5, or CSS3/SASS.

  • Experience integrating front-end applications with RESTful or GraphQL APIs.

  • Solid understanding of web security fundamentals including authentication, authorization, and data protection.

  • Familiarity with Git, automated testing frameworks, and CI/CD workflows.

  • Excellent collaboration and communication skills with a focus on user experience and maintainability.

  • Clear written and verbal communication skills, and a collaborative and empathetic mindset.

Preferred Qualifications:

  • Master’s degree in computer science or software engineering.

  • 8 years of experience in software engineering.

  • Experience with micro-frontends or module federation.

  • Exposure to backend technologies such as Java(preferred) or Node.js.

  • Experience with cloud-native environments, including Docker, Kubernetes, or AWS/GCP/Azure.

  • Familiarity with relational or NoSQL databases; e.g. SQL, MongoDB.

  • Experience building and scaling design systems, with strong knowledge of accessibility (WCAG), and performance optimization.

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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