Ualá Tech Stack

Neobank serving 10M+ users across Argentina, Mexico, and Colombia

Financial Services Capital Federal, Buenos Aires 1,001–5,000 employees Founded 2017 Privately Held

Ualá operates a multi-country neobank with 10M+ active users across Argentina, Mexico, and Colombia. The tech stack—iOS/Android, AWS (Lambda, EKS), Go, Java, .NET, PostgreSQL, plus Datadog + Prometheus—shows a distributed, cloud-native architecture built for scale. Project list reveals a company managing real fraud and credit-risk challenges at volume: fraud prevention automation, delinquent portfolio recovery, and regional risk consolidation dominate the roadmap, suggesting operational maturity at the cost of ongoing compliance and loss-prevention overhead.

Tech Stack 41 technologies

Core StackAWS AWS Lambda Kubernetes Terraform GitHub Actions Go Java .NET OpenAI Prometheus Grafana Datadog Oracle PostgreSQL Amplitude Looker Figma Adobe Photoshop Adobe Illustrator Contentful iOS Android Google Play AWS EKS Terragrunt SQL Excel Meta Google TikTok+8 more

What Ualá Is Building

◆Challenges

Fraud prevention
Recovering delinquent portfolio
Scaling commercial channels
Risk monitoring
Incident mitigation in high concurrency
Performance optimization
Scaling backend solutions
Reducing fraud impact on users
Improving fraud detection accuracy
Reducing legal exposure

▲Active Projects

Regional fraud strategy implementation
Growth initiatives
Recovering delinquent portfolio via personalized calls
Risk management manual development
Security controls integration in database lifecycle
Risk framework definition
Fraud prevention automation
Regional risk consolidation
Cloud-native aws microservices
Asynchronous event sourcing systems

Hiring Activity

Steady30 roles · 10 in 30d

Department

Engineering

Finance

Marketing

Ops

Sales

Security

Data

Design

Seniority

Senior

Mid

Junior

Lead

Manager

C-Level

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About Ualá

Ualá is a neobank founded in 2017, headquartered in Buenos Aires with operations spanning Argentina, Mexico, and Colombia. The platform offers account opening, payments, lending, investing, and merchant services (Ualá Bis) through a single mobile app, serving over 10 million customers. The company operates 1,300+ employees across three offices and runs steady hiring across engineering, finance, marketing, and security. Recent Series E funding valued the company at USD 2.816 billion, reflecting its position as a leading fintech player in Latin America.

HeadquartersCapital Federal, Buenos Aires

Company Size1,001–5,000 employees

Founded2017

Hiring MarketsArgentina, Mexico

Frequently Asked Questions

What is Ualá's tech stack?

iOS, Android, AWS (Lambda, EKS, EC2), Kubernetes, Go, Java, .NET, PostgreSQL, Oracle, Datadog, Prometheus, Grafana, Looker, and Contentful. The stack reflects a mobile-first, cloud-native architecture with emphasis on observability and data warehousing.

Where is Ualá headquartered and how many employees?

Ualá is headquartered in Capital Federal, Buenos Aires, Argentina, with 1,001–5,000 employees. The company has offices in Argentina, Mexico, and Colombia, with 1,300+ team members across all three countries.

What is Ualá currently working on?

Active projects include regional fraud strategy, fraud prevention automation, delinquent portfolio recovery, risk framework definition, cloud-native AWS microservices, and asynchronous event sourcing systems—reflecting operational focus on fraud prevention, credit risk, and backend scaling.