Koin Tech Stack

BNPL and fraud prevention for Latin American e-commerce

Financial Services São Paulo, São Paulo 201–500 employees Founded 2014 Privately Held

Koin operates a payments and fraud platform serving Brazilian and Latin American merchants, anchored on buy-now-pay-later products and anti-fraud solutions. The tech stack—SQL, Python, TypeScript, Node.js, plus e-commerce integrations (VTEX, Magento, Shopify, WooCommerce)—reflects a merchant-facing B2B model. Hiring velocity is accelerating with sales leading the department mix, while active projects cluster heavily around fraud expansion, credit approval optimization, and geographic scaling into Mexico and Colombia—indicating a phase of both product consolidation and regional footprint growth.

Tech Stack 24 technologies

Core StackSalesforce AWS Postman Magento Shopify Slack Jira TypeScript Python JavaScript Node.js Excel Google Sheets PowerPoint SQL DLP CASB AWS WAF SIEM Firewall EDR VTEX WooCommerce Looker Studio

What Koin Is Building

◆Challenges

Fraud risk in ecommerce
Digital friction in commerce
Optimizing credit approval process
Large merchant acquisition in brazil
E-commerce fraud prevention scaling
Fraud risk in payments
Transaction friction
Payment fraud detection
Complexity of digital commerce
Reducing credit risk

▲Active Projects

Commercial strategy for anti-fraud b2b products
Anti-fraud solution expansion to new merchants in brazil
Proof of concept for new features
Bnpl product commercial strategy
Boleto parcelado market expansion
Prospecting new clients in mexico
Feedback to product on mexican fraud market
Credit approval criteria development
Customer profile clustering
Upsell and cross-sell expansion

Hiring Activity

Accelerating15 roles · 9 in 30d

Department

Sales

Support

Engineering

Finance

Ops

Security

Seniority

Senior

Junior

Lead

Manager

Mid

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About Koin

Koin is a financial technology company founded in 2014 and headquartered in São Paulo, serving e-commerce merchants and consumers across Brazil and Latin America. The company offers two primary product lines: BNPL (buy-now-pay-later) tools and fraud detection and prevention solutions. Operations span merchant acquisition, credit risk management, and transaction processing across multiple e-commerce platforms. The organization has grown to 201–500 employees and is currently hiring across sales, support, engineering, and security functions in Brazil, Colombia, Uruguay, and Canada.

HeadquartersSão Paulo, São Paulo

Company Size201–500 employees

Founded2014

Hiring MarketsColombia, Uruguay, Brazil, Canada

Frequently Asked Questions

What e-commerce platforms does Koin integrate with?

Koin integrates with VTEX, Magento, Shopify, and WooCommerce, enabling BNPL and fraud prevention solutions to reach merchants on major Latin American and global e-commerce infrastructure.

What programming languages does Koin use?

Koin's stack includes Python, TypeScript, JavaScript, and Node.js for core platform development, complemented by SQL for data work and AWS for cloud infrastructure.