SW Engineer, Authorizations

About Us
Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.

Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you.

Job Description

The Authorizations squad is responsible for processing and validating financial transactions in real time, ensuring that all operations comply with the authorization rules defined by issuers and clients. It operates directly within the critical payment authorization layer, dealing with complex business logic, high availability, and performance. The team works with modern technologies and distributed architecture to ensure transactions are secure, fast, and reliable. 
 

• Design, develop, and maintain scalable and resilient systems focused on banking and payment services.  
• Build and evolve orchestration layers integrating internal and external services.  
• Develop RESTful APIs and reusable components in a microservices-based architecture.  
• Collaborate cross-functionally with product, QA, and DevOps teams to deliver impactful solutions.  
• Write unit and integration tests to ensure code quality and system reliability.  
• Work with modern engineering best practices, prioritizing security, performance, and scalability.  
• Contribute to the technical design and architecture decisions within the squad.  
• Operate in a highly documented environment, with a focus on clear and transparent communication.  
• Engage in mentoring, continuous learning, and technical improvement initiatives. 

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

Qualifications

Basic qualitifcations

• For this role, you must be based in Brazil 
• Proficiency in English at B2 level (Intermediate) 
• Previous experience with any programming language
   

Preferred Qualifications

• Experience with Java / Groovy or Golang
• Knowledge of AWS services: SQS, SNS, DynamoDB, S3, and EventBridge. 
• Understanding of distributed systems and microservices. 
• Experience with REST APIs. 
• Working experience with Git and version control workflows. 
• Testing mindset with experience in unit and integration testing. 
• Knowledge of SQL (MySQL or PostgreSQL) and NoSQL databases (DynamoDB, MongoDB). 
• Exposure to applications in high-scale and high-availability environments. 
• Familiarity with CI/CD pipelines and Docker/Containers. 
• Knowledge of messaging systems and event-driven architectures. 
• Understanding of observability practices (monitoring, tracing, alerting). 
• Background in Agile methodologies and production support. 
• Working knowledge on Terraform or other IaC tools. 

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.