SOUTH SYSTEM Tech Stack

Java and mobile outsourcing services for financial and enterprise systems

IT Services and IT Consulting Porto Alegre, RS 201–500 employees Founded 2014 Privately Held

South System is a 350+ person IT services firm headquartered in Porto Alegre, Brazil, focused on Java backend, mobile (iOS/Android), and cloud infrastructure work. The tech stack is heavily Java/Spring-centric with emerging Kotlin adoption, but notably shows Java replacement velocity — a signal that the company is modernizing away from legacy codebases toward lighter, faster runtime environments. Hiring is engineering-concentrated (41 of 44 active roles) at senior/mid levels, with active projects spanning financial apps, microservices migration, and CI/CD tooling, aligning with their stated pain around legacy system evolution and deployment automation.

Tech Stack 144 technologies

Core StackJava PostgreSQL MySQL MongoDB Redis Kafka RabbitMQ Docker Kubernetes Power BI Kotlin Jetpack Compose Figma Swift Node.js React Next.js Spring Boot Spring Data Spring Security IBM MQ Udemy MCP SQL Excel WhatsApp Git CocoaPods Gitflow Amazon Cognito+113 more

AdoptingPython Kotlin Multiplatform

ReplacingJava

What SOUTH SYSTEM Is Building

◆Challenges

Migrating legacy solutions to microservices
Evolving legacy systems
Manual deployment process
Data-driven decision support
Digital sales funnel kpi monitoring
Process governance
End-to-end test automation
Migrating legacy java 6 applications
Mission-critical high availability
Transition to swift 6

▲Active Projects

Financial market app
Terminal activation and configuration
Ci/cd pipeline implementation on azure devops
Secure job execution with two-key mechanism
Relacionamento digital
Onboarding applications
Api orchestration with servicenow
Ci/cd pipeline deployment
Migrating legacy java 6 applications to java 21+
Designing and maintaining osb/bpel integrations

Hiring Activity

Accelerating45 roles · 25 in 30d

Department

Engineering

Data

Product

Seniority

Senior

Mid

Notable leadership hires: Tech Lead

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About SOUTH SYSTEM

South System builds outsourcing solutions in digital services, cloud infrastructure, and data integration for mid-market clients in Brazil and Portugal since 2014. The company operates across full-stack Java/Spring services, iOS/Android mobile development, and AWS/Kubernetes deployment. Core project work centers on financial market applications, enterprise API orchestration via ServiceNow, legacy Java modernization (Java 6 → 21+), and secure CI/CD pipeline implementations on Azure DevOps. The organization spans 350+ employees spread globally, with documented focus on professional development, environmental responsibility (Carbon Neutral certification), and workplace quality.

HeadquartersPorto Alegre, RS

Company Size201–500 employees

Founded2014

Hiring MarketsBrazil

Frequently Asked Questions

What tech stack does South System use?

Primary: Java, Spring Boot, PostgreSQL, MongoDB, Kubernetes, Docker, Kafka. Also: iOS (Swift, CocoaPods), Android (Kotlin, Jetpack Compose), Node.js/React frontend, AWS, Azure DevOps, RabbitMQ, IBM MQ. Adopting: Python, Kotlin Multiplatform. Replacing: Java (modernization phase).

What projects is South System working on?

Financial market apps, terminal activation/configuration, CI/CD pipeline implementations (Azure DevOps), secure job execution systems, API orchestration (ServiceNow), legacy Java 6 modernization to Java 21+, OSB/BPEL integrations, and onboarding applications.