Senior Software Engineer, Antifraud

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Create and sustain applications utilizing Golang or Java

• Design and execute scalable, dependable, and secure microservices architectures

• Collaborate with engineering and product teams to enhance and deliver technical solutions that meet business requirements

• Utilize AWS services such as SQS, SNS, DynamoDB, S3, and EventBridge

• Provision, manage, and advance AWS infrastructure using Terraform

• Develop unit and integration tests

• Oversee application health and performance through metrics, logs, and alerts

• Engage in code reviews and offer constructive feedback

• Participate in architectural and technical discussions, contributing to continuous improvement

• Work on anti-fraud systems that monitor transactions, liaise with third parties for verification, and assist in fee calculations for other modules

⛳️ Requirements

• Must reside in Brazil

• Proficient in English at a B1 level or higher (Intermediate)

• A minimum of 5 years of relevant work experience with a Bachelor's or Associate’s Degree, or at least 2 years of experience with an Advanced degree (e.g. Masters, MBA, JD, MD)

• Strong expertise in Java/JVM-based languages

• Background in the financial sector or experience with payments/authorization systems

• Over 5 years of experience as a Software Engineer working in production settings

• Proficient in Golang and adaptable to Java/Groovy or JVM-related languages

• Advanced skills in Git

• Comprehensive experience in code reviews

• Proven experience in writing and validating unit, integration, performance, and end-to-end tests

• Familiarity with Swagger, flow diagrams, and API documentation

• Proficient in Terraform, Argo, Jenkins, and Codefresh

• In-depth product knowledge and experience in feature planning and impact analysis

• Strong understanding of relational database design and non-relational strategy/data modeling

• Proficient in AWS

• Experience in designing scalable microservices and assessing architectural options

• Ability to identify and resolve distributed-systems issues

• Preferred: experience with critical systems

• Preferred: knowledge of observability practices

• Preferred: experience with AI-assisted development tools such as Copilot, GPT, or Claude

🏝️ Benefits

• Fully remote work arrangement

• Remote positions may require occasional presence at a Visa office with prior notice

• Equal employment opportunity consideration