Verified recordFinancial Services

Geison Santos

CTO at Cali

Based in São Paulo, Brazil

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Seniority

C-Team

Department

Information Technology

Location

São Paulo

Industry

Financial Services

Company size

127

Contact information

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Email

1 credit

g•••••••@cali.li

Phone

5 credits

+55 ••• •••• ••••

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Background

About Geison Santos

Sou Arquiteto de Soluções e CTO com mais de 20 anos de experiência criando plataformas robustas, seguras e escaláveis para o setor financeiro — com forte atuação em fintechs, bancos digitais e instituições reguladas pelo BACEN. Conecto estratégia, produto e tecnologia com excelência técnica e visão de negócio. Tenho sólida experiência em microsserviços, mensageria em tempo real (Kafka, Redis), infraestrutura como código (Terraform, Terragrunt), multi-cloud (AWS, GCP, on-prem) e linguagens como Java, Go e C#. Atuei em projetos envolvendo Pix, boletos, POS, Open Finance, câmbio (E-FX), conciliação e recuperação de crédito. Passei por empresas como Cali, Cloudwalk, PagSeguro, SmartBank e Banco Votorantim, liderando squads multidisciplinares e entregando soluções completas — da arquitetura técnica à operação, integrando áreas como backoffice, jurídico, compliance e parceiros estratégicos. Meu diferencial está em transformar desafios complexos em soluções simples, escaláveis e sustentáveis, com foco em estabilidade, crescimento e mitigação de riscos. — I’m a Solutions Architect and CTO with 20+ years of experience building robust, secure, and scalable platforms for the financial sector — with a strong background in fintechs, digital banks, and BACEN-regulated institutions. I bridge technology, product, and compliance through strategic and technical leadership. Skilled in microservices, real-time messaging (Kafka, Redis), IaC (Terraform, Terragrunt), multi-cloud (AWS, GCP, on-prem), and languages like Java, Go, and C#. I’ve led projects on Pix, boletos, POS, Open Finance, FX (E-FX), reconciliation, and credit recovery. I’ve delivered full-cycle solutions at Cali, Cloudwalk, PagSeguro, SmartBank, and Banco Votorantim — from architecture to operations, integrating with legal, compliance, backoffice, and partners. I turn complex challenges into simple, scalable, and business-aligned solutions focused on stability, growth, and risk reduction.

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