Senior Antifraud Engineer - Remote in Brazil

VISA; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Visa is seeking a Senior Software Engineer to join the anti-fraud team, building scalable microservices in Go or Java on AWS, with Terraform tooling and robust tests. You will collaborate with product and engineering teams to deliver technical solutions aligned with business needs and contribute to architecture and design decisions.

This remote role is based in Brazil, offering opportunities to work from home while engaging with global colleagues, and involves code reviews, observability

Qualifications

• 5+ years of relevant work experience with a Bachelor's or Associate’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD)
• Strong experience with Java/JVM based languages
• Experience with Financial Industry or Payments / Authorization Systems.

Responsibilities

• Develop and maintain applications using Golang or Java, following clean code and best software engineering practices.
• Design and implement scalable, reliable, and secure microservices architecture.
• Collaborate with engineering and product teams to refine and deliver technical solutions aligned with business needs.
• Leverage AWS services such as SQS, SNS, DynamoDB, S3, and EventBridge in day-to-day development.
• Use Terraform to provision, maintain, and evolve AWS infrastructure.
• Write unit and integration tests to ensure code quality and system robustness.
• Monitor application health and performance using observability tools (metrics, logs, alerts).
• Participate in code reviews and provide constructive feedback to peers.
• Contribute to architectural and technical discussions, supporting continuous improvement and innovation.

Skills

Java/JVM languages

Golang

AWS

Terraform

CI/CD (Jenkins)

SQL/NoSQL databases

Unit/integration testing

API documentation

Git/version control

Education

Bachelor's or Master's in CS or related

Tools

Swagger

Argo

Codefresh

Job description

Visa is seeking a Senior Software Engineer to join the anti-fraud team, building scalable microservices in Go or Java on AWS, with Terraform tooling and robust tests. You will collaborate with product and engineering teams to deliver technical solutions aligned with business needs and contribute to architecture and design decisions.

This remote role is based in Brazil, offering opportunities to work from home while engaging with global colleagues, and involves code reviews, observability