Trio Tech Stack

Brazilian fintech for payments, credit, and business banking

Financial Services Curitiba, Paraná 51–200 employees Founded 2020 Privately Held

Trio operates a full-stack financial services platform built on Kotlin + Java (Android), Elixir + Phoenix (backend), and PostgreSQL + Kafka infrastructure — a modern polyglot stack typical of fintech systems handling payments and real-time transactions. Current hiring is engineering-heavy across mobile and backend, with active security and compliance roles, reflecting the regulatory complexity of operating a payments platform in Brazil's tightly monitored financial ecosystem.

Tech Stack 34 technologies

Core StackKotlin Java Elixir JavaScript Tailwind CSS Redis PostgreSQL Kafka Prometheus Grafana Sentry AWS Meta Ads HubSpot GraphQL GitHub Actions GitLab CI/CD CircleCI Android SDK Material Design Phoenix LiveView Git LinkedIn Instagram REST Google Sheets Google Slides SQL HTML+4 more

What Trio Is Building

◆Challenges

Ensuring compliance with central bank regulations
Scaling app performance
Improving b2b lead generation
Optimizing paid media performance
Improving financial planning processes
Automating financial processes
Forecasting and budgeting
Optimizing performance across android devices
Reducing churn
Acquiring enterprise clients

▲Active Projects

Internet banking
Checkout
Payment integrations
Security compliance implementation
Financial planning process improvement
Commercial goal tracking
New business modeling
Continuous improvement of governance maturity
Audit evidence organization

Hiring Activity

Accelerating9 roles · 7 in 30d

Department

Engineering

Design

Finance

Marketing

Sales

Security

Seniority

Mid

Senior

Junior

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About Trio

Trio is a Brazilian fintech founded in 2020, headquartered in Curitiba, Paraná. The company serves mid-market and enterprise clients with an integrated platform covering payments (Pix Direto, Bolepix integrations), checkout, credit products, and business banking. The product roadmap includes internet banking features, payment integrations, and financial planning tools. Compliance with central bank regulations and app performance optimization on Android are active engineering priorities. The company is 51–200 employees and hiring across engineering, design, sales, and security roles primarily in Brazil.

HeadquartersCuritiba, Paraná

Company Size51–200 employees

Founded2020

Hiring MarketsBrazil

Frequently Asked Questions

What tech stack does Trio use?

Trio's backend runs on Elixir, Phoenix, and PostgreSQL with Kafka for event streaming. Mobile is Kotlin and Android SDK. Frontend uses JavaScript, Tailwind CSS, and Material Design. DevOps stack includes AWS, Prometheus, Grafana, and Sentry for monitoring.

What is Trio working on?

Active projects include internet banking, checkout and payment integrations, security compliance implementation, financial planning process improvement, and continuous governance maturity improvements. Central bank compliance and Android performance optimization are key technical priorities.