Full-Time Sr. SW Engineer, Authorizations

Visa is hiring a remote Full-Time Sr. SW Engineer, Authorizations. The career level for this job opening is Experienced and is accepting São Paulo, Brazil based applicants remotely. Read complete job description before applying.

Visa

Job Title

Sr. SW Engineer, Authorizations

Posted

Career Level

Full-Time

Career Level

Experienced

Locations Accepted

São Paulo, Brazil

Job Details

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. We operate directly within the critical payment authorization layer, dealing with complex business logic, high availability, and performance. The team leverages modern technologies and distributed architecture to ensure transactions are secure, fast, and reliable.

What you'll do

  • 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 technical design and architecture decisions within the squad.
  • Operate in a highly documented environment, with clear and transparent communication.
  • Engage in mentoring, continuous learning, and technical improvement initiatives.

Language Skills:

Proficiency in English at B2 level or above (Upper-Intermediate)

Technical Skills:

  • 3+ years of experience with Java / Groovy.
  • Experience with AWS services: SQS, SNS, DynamoDB, S3, and EventBridge.
  • Solid understanding of distributed systems and microservices.
  • Experience with REST APIs.
  • Proficiency with Git and version control workflows.
  • Strong testing mindset with experience in unit and integration testing.
  • Knowledge of SQL (MySQL or PostgreSQL) and NoSQL databases (DynamoDB, MongoDB).
  • Experience working 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.
  • Hands-on experience with Terraform or other IaC tools.

FAQs

What is the last date for applying to the job?

The deadline to apply for Full-Time Sr. SW Engineer, Authorizations at Visa is 21st of December 2025 . We consider jobs older than one month to have expired.

Which countries are accepted for this remote job?

This job accepts [ São Paulo, Brazil ] applicants. .

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