C6 Bank Tech Stack

Brazilian fintech serving 40M+ customers with core banking and payments

Banking São Paulo, São Paulo 1,001–5,000 employees Founded 2018 Privately Held

C6 Bank operates a retail and commercial banking platform across Brazil with 40+ million customer accounts. The tech stack reveals a mature operations backbone—Oracle, PostgreSQL, Redis, MongoDB for core systems; Kubernetes, Terraform, Ansible for infrastructure; Prometheus, Grafana, Zabbix for observability—paired with basic BI tooling (Power BI) and ad-tech connectors (Google Ads, Meta, TikTok). Sales-heavy hiring (43 open roles) outpaces engineering (12), indicating aggressive customer acquisition and retention focus; simultaneously, active projects span regulatory reporting, stress testing, and EC2-to-Kubernetes migration, signaling compliance maturity and infrastructure modernization.

Tech Stack 78 technologies

Core StackPython Google Ads Google Analytics AppsFlyer AWS Kubernetes Terraform Ansible Linux Grafana Prometheus Oracle PostgreSQL Redis MongoDB BigQuery Power BI VBA R Word Excel PowerPoint Meta TikTok Rundeck Bash PowerShell Windows Zabbix SQL+48 more

What C6 Bank Is Building

◆Challenges

Improving sales performance
Detecting money laundering
Expanding corporate client base
Rentabilizar operação
Manter a satisfação de clientes
Inefficient acquisition processes
Data governance and integration
Improving customer experience friction
High availability card transaction services
Increasing insurance penetration

▲Active Projects

Regulatory reporting (alm)
Continuity plan documentation
Continuity testing program
Product performance monitoring
Developing new monitoring routines
Building regulatory reports for banking portfolios
Strategic initiatives for financing cycle
Ec2 to kubernetes migration
Automation of routine activities
Liquidity risk stress testing

Hiring Activity

Accelerating120 roles · 60 in 30d

Department

Sales

Finance

Engineering

Ops

Product

Data

Security

Risk

Seniority

Senior

Mid

Manager

Junior

Intern

Lead

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About C6 Bank

C6 Bank is a Brazilian financial services company founded in 2018, headquartered in São Paulo, serving retail and commercial customers. The platform offers banking, payments, and insurance products across a 40+ million customer base. Operations span transaction processing (card services, liquidity management), customer acquisition and retention (via retail sales channels), and regulatory compliance (ALM reporting, anti-money laundering controls). The company is actively scaling both customer-facing teams and backend infrastructure—124 open roles across sales, finance, engineering, and ops—while modernizing its cloud footprint and expanding corporate lending.

HeadquartersSão Paulo, São Paulo

Company Size1,001–5,000 employees

Founded2018

Hiring MarketsBrazil

Frequently Asked Questions

What is C6 Bank's tech stack?

Core systems run on Oracle, PostgreSQL, Redis, and MongoDB. Infrastructure uses AWS, Kubernetes, Terraform, and Ansible. Monitoring via Prometheus, Grafana, and Zabbix. Analytics via BigQuery and Power BI. Marketing channels include Google Ads, Meta, TikTok, and AppsFlask.