Núclea Tech Stack

Financial infrastructure and data platform for Brazilian payment and credit ecosystems

Financial Services São Paulo, SP 501–1,000 employees Founded 2001 Privately Held

Núclea operates mission-critical infrastructure for Brazilian financial services—processing 29 billion transactions annually representing 18 trillion reais. The tech stack is enterprise-heavy (Java, WebSphere, IBM MQ, DB2) with emerging adoption of LangChain, while active projects signal a shift toward cloud data pipelines and ML-driven commercial intelligence. Security is a growth area (3 open roles, SOAR and MITRE ATT&CK in use), alongside data engineering and sales roles, reflecting expansion beyond core transaction processing into fraud detection and credit management.

Tech Stack 66 technologies

Core StackJava AWS Python Linux PySpark Jira Databricks Red Hat Enterprise Linux HTML WebSphere Application Server JBoss IBM MQ IBM Connect Direct DB2 ITIL SIEM SOAR MITRE ATT&CK Windows Excel Git IBM Power Systems Pacemaker IBM Spectrum Scale VMware ESXi EMC VMAX CRM Microsoft Project PowerPoint Word+31 more

AdoptingLangChain

What Núclea Is Building

◆Challenges

Segurança de aplicações
Complex erp integration
Reducing resource consumption
Minimizing development risks
Improving system scalability
Strengthening corporate governance
Monitoring operational risks technology security
Estabilidade de aplicações
Reducing commercial friction
Improving receivables processes

▲Active Projects

Develop algorithm for commercial opportunity recognition
Update weekly power bi dashboards with new strategic views
Develop security use cases aligned to mitre att&ck
Automate incident response with soar playbooks
Cross sell and upsell revenue growth plan
Cloud data pipelines for scalable ml models
Model performance monitoring
Erp oracle cloud integration
Vbcs interface development

Hiring Activity

Accelerating25 roles · 15 in 30d

Department

Engineering

Data

Sales

Security

Ops

Product

Business

Seniority

Senior

Junior

Mid

Intern

Manager

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About Núclea

Núclea is a Brazilian fintech and data infrastructure company serving banks, credit institutions, and payment networks. The company evolved from the Interbank Payment Chamber (CIP) and now operates an ecosystem spanning credit and collection management, fraud prevention, asset registration, receivables securitization, and digital assets. With 501–1,000 employees based in São Paulo, Núclea handles a significant portion of Brazil's digital payment volume and is expanding its analytics and security capabilities through cloud migration and automated risk management.

HeadquartersSão Paulo, SP

Company Size501–1,000 employees

Founded2001

Hiring MarketsBrazil

Frequently Asked Questions

What is Núclea's tech stack?

Core stack: Java, Red Hat Enterprise Linux, AWS, Python, WebSphere Application Server, JBoss, IBM MQ, DB2, and IBM Power Systems. Recent adoption includes LangChain. Security tooling: SIEM, SOAR, MITRE ATT&CK framework.

What projects is Núclea working on?

Projects span commercial intelligence (opportunity recognition algorithms), cloud data pipelines for ML, security automation (SOAR playbooks aligned to MITRE ATT&CK), ERP integration (Oracle Cloud), and revenue operations (cross-sell/upsell strategy).