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Cases DB & Randoncorp: From zero to a full digital bank in record time

english version

Built a BACEN-certified BaaS platform that processes 2,000+ transactions per minute.

Built a Banking-as-a-Service (BaaS) platform on a microservices architecture, delivering Digital Accounts, PIX, Cards, and Investments. BACEN-certified for high-performance transaction processing.
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DB & Randoncorp: From zero to a full digital bank in record time

01. problem

Randoncorp built a proprietary financial ecosystem to serve its customer base, starting with a digital bank from the ground up. The platform processes high-volume freight transactions, enforces strict security controls for financial data, and sustains 24/7 uptime. It meets BACEN regulatory requirements and integrates directly with core banking systems, payment rails, and settlement layers.

02. assessment

DB determined a monolithic architecture would not meet time-to-market or flexibility requirements. It defined a microservices-based architecture to enable independent scaling and faster feature delivery. The design centralized orchestration through an API Gateway, connecting Digital Account, PIX, and Card services to ensure a consistent user experience. From day one, the platform embedded performance validation to meet BACEN regulatory approval.

03. solution

DB engineered and built Randoncorp’s BaaS platform using a distributed microservices architecture. The platform runs 50+ independent services, isolating PIX, TED, card issuing, and digital account operations to ensure resilience and fault containment. It embeds DevSecOps practices and CI/CD pipelines to secure code, automate releases, and accelerate delivery. The platform passed BACEN certification, sustaining 2,000 transactions per minute under validated load, and operates with the reliability required for live banking workloads.

Benefits achieved

Digital bank launched in record time

The microservices architecture and DB’s engineering efficiency enabled a rapid production launch, exceeding delivery timelines.

BACEN-certified, validated performance

The BaaS platform securely processes 2,000 transactions per minute, meeting BACEN regulatory standards.

End-to-end, extensible financial ecosystem

Randoncorp now delivers Digital Accounts, PIX, Cards, and Investment products, increasing customer retention and unlocking new revenue streams.

Robust foundation for new products

The microservices infrastructure provides a stable base to launch new financial products with speed.