Senior Software Engineer, Antifraud

🔥 18 minutes ago

🇧🇷 Brazil – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Visa

WebsiteLinkedInAll Job Openings

10,000+ employees

💳 Fintech

💸 Finance

🏦 Banking

💰 Post IPO equity on 2016-10

Fintech • Finance • Banking

Visa is a global payments technology company that connects consumers, merchants, financial institutions and governments to enable electronic payments and commerce. It operates a worldwide card network for credit, debit and prepaid payments and provides payment processing, security and fraud-mitigation services, data analytics and value-added products for both consumers and businesses. Visa invests in next-generation payment solutions (including AI-driven commerce), supports financial inclusion initiatives through the Visa Foundation, and offers consumer card benefits and merchant services.

📋 Description

• 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, including metrics, logs, and alerts • Participate in code reviews and provide constructive feedback to peers • Contribute to architectural and technical discussions, supporting continuous improvement and innovation • Work on antifraud systems that monitor transactions, communicate with third parties to verify transactions, and support fee calculation modules

🎯 Requirements

• Must be based in Brazil • Proficiency in English at B2 level or above (Upper-Intermediate) • 5 or more 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) • Experience with Golang • Experience with Financial Industry or Payments / Authorization Systems • +3 years of experience with Golang • Skilled in Golang and adaptable to other languages like Java/Groovy or JVM-related • Advanced Git user; resolves team version control issues • Thorough code reviews focusing on cross-domain quality • Writes and validates unit, integration, performance, and end-to-end tests • Experienced with Swagger, flow diagrams, and API documentation; supports DEVEX and external publishing • Proficient with Terraform, Argo, Jenkins, and Codefresh for infrastructure and deployment, including related integrations • Deep product knowledge; active in feature planning and impact analysis • Strong relational database design and non-relational strategy; effective data modeling • Proficient in AWS, applying optimal performance techniques • Designs scalable microservices and evaluates architectural options • Identifies and resolves distributed systems issues for improved reliability • Understanding of observability practices (monitoring, tracing, alerting) preferred • Work with critical systems is a differential

🏖️ Benefits

• Remote position • Equal employment opportunity regardless of race, color, religion, sex, national origin, sexual orientation, gender identity, disability, or protected veteran status • Consideration of qualified applicants with criminal histories consistent with EEOC guidelines and applicable local law