Frontend Sr. SW Engineer, CDX Systems

Founded by experienced entrepreneurs and engineers in 2016, Confidencial (Apenas para Cadastrados) is a technology company that provides a comprehensive processing platform for banking, card issuing and financial market infrastructure and helps customers innovate and build the next generation of banking and payment solutions. Confidencial (Apenas para Cadastrados) joined Visa in 2024.

Leveraging Visa’s solutions, our core platform, and an expanding suite of capabilities, Confidencial (Apenas para Cadastrados) addresses the technological challenges that large banks, marketplaces, and fintech companies face in migrating from legacy systems to more advanced technology in the market. Confidencial (Apenas para Cadastrados)’s cloud-based platform empowers firms to build and launch financial products rapidly, scaling as they grow to have a broader audience while keeping high security and availability standards.

Confidencial (Apenas para Cadastrados)’s 500+ employees are located in more than 10 countries around the world.

We are looking for a versatile, curious, and experienced Senior Software Engineer to join our Systems team and help shape the future of Control-Center, our internal UI platform. This team owns the internal areas of Control-Center used by Confidencial (Apenas para Cadastrados) staff to configure and customise how the platform behaves for customers, including critical workflows such as dual approval. The team also drives cross-cutting platform initiatives such as design systems and research into future improvements for Control-Center.

What You'll Do

• Build and evolve internal Control-Center experiences that enable configuration, governance, and operational control across the platform.
• Own and enhance key internal workflows such as dual approval, ensuring they are secure, intuitive, and scalable.
• Design and implement frontend solutions using React, microfrontends, TypeScript, and modern CSS practices.
• Contribute to and evolve shared UI foundations, including design systems and reusable components.
• Collaborate closely with product managers, designers, and engineers across teams to align on requirements, trade-offs, and delivery.
• Lead technical discovery and research into future improvements for Control-Center, including new patterns and platform capabilities.
• Identify recurring defects and usability issues and implement systemic improvements.
• Optionally contribute full-stack capabilities, including BFF development in Go, GraphQL endpoint creation, workflow APIs, and CI/CD or infrastructure automation.
• Translate product and platform requirements into scalable, secure, and maintainable technical solutions.
• Provide technical leadership through design reviews, code reviews, and mentorship.
• Ensure frontend solutions adhere to agreed standards for quality, security, and performance.
• Influence and align frontend architecture and best practices across multiple teams.
• Communicate effectively with stakeholders to manage dependencies, risks, and technical decisions.
• Contribute to the long-term technical direction and sustainability of the Control-Center platform.

This is a remote position. A remote position does not require job duties be performed within proximity of a Visa office location. Remote positions may be required to be present at a Visa office with scheduled notice. #LI-Remote

Basic Qualifications

• Be based in Brazil
• B2 English level
• 2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience
• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent professional experience.
• 5+ years of professional software engineering experience, with a strong focus on frontend development at scale.
• Proven experience delivering production-grade frontend applications using modern JavaScript frameworks.
• Demonstrated experience working across multiple components or products rather than a single isolated feature.
• Experience participating in or leading design reviews, code reviews, and technical discussions.
• Ability to work independently while collaborating effectively with product managers, designers, and engineers across teams.
• Strong frontend engineering expertise using React and TypeScript.
• Solid understanding of CSS and component-based styling, with experience using UI libraries such as Material UI.
• Experience applying secure coding practices, performance optimization, and maintainable design patterns.
• Ability to identify patterns across defects and implement systemic improvements rather than one-off fixes.
• Strong communication skills with the ability to influence technical decisions across teams.
• Experience mentoring engineers and raising the overall engineering bar through guidance and example.

Preferred Qualifications

• Previous microfrontend architecture experience
• Experience owning or contributing to design systems, shared UI foundations, or other cross-cutting frontend concerns.
• Optional full-stack experience including:
  • Golang experience
  • Creating and maintaining GraphQL endpoints
  • Light API development for workflow-driven services such as dual approval
• Experience contributing to CI/CD pipelines or infrastructure automation using tools such as Terraform.
• Experience building internal platforms or tools used by internal teams rather than purely customer-facing applications.

Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.