STARK BANK Tech Stack

Brazilian fintech enabling card issuance and payments for high-growth companies

Banking São Paulo, SP 51–200 employees Founded 2018 Partnership

Stark Bank operates a challenger banking platform for Brazilian startups and enterprises, built on Python, GCP, and ISO 8583 infrastructure. The tech stack—heavy on payment rails (Apple Pay, Google Pay tokenization) and real-time transaction processing—reflects a card-issuance-first strategy. Active hiring skews toward engineering and senior roles, while current projects span API-driven card platforms, asynchronous reconciliation, and partner ecosystem expansion, signaling both technical depth and a shift toward third-party integration models.

Tech Stack 13 technologies

Core StackPython Swift SQL Apple Pay Google Pay ISO 8583 Ledger GCP Google App Engine Cloud Run UIKit iOS Android

What STARK BANK Is Building

◆Challenges

High volume transaction processing
Controlling operational costs
Optimizing cost processes
Budget planning
Scaling card issuance infrastructure
Ensuring real-time transaction security
Integrating payment ecosystem
Acquiring new strategic clients
Expanding market reach
Building partner ecosystem

▲Active Projects

Asynchronous reconciliation system
Api for card issuance
Real-time transaction authorization
Tokenization with apple pay and google pay
Channel strategy development
Partner ecosystem building
Partner performance monitoring
Sdk development
Microservices development
Card acquisition stack development

Hiring Activity

Decelerating10 roles · 2 in 30d

Department

Engineering

Finance

Sales

Marketing

Product

Seniority

Senior

Mid

Manager

Lead

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About STARK BANK

Stark Bank is a fintech focused on providing banking infrastructure to high-growth companies in Brazil. The company operates as a challenger bank, offering payment and card issuance capabilities built on cloud infrastructure (GCP, Google App Engine) with support for major mobile wallets. Core technical surfaces include real-time transaction authorization, card acquisition and issuance APIs, and a reconciliation layer designed for high-volume throughput. Sales and partnership channels drive enterprise adoption alongside direct engineering engagement.

HeadquartersSão Paulo, SP

Company Size51–200 employees

Founded2018

Hiring MarketsBrazil

Frequently Asked Questions

What tech stack does Stark Bank use?

Python, SQL, GCP (Google App Engine, Cloud Run), iOS/Android SDKs, Apple Pay, Google Pay, ISO 8583, and Ledger. Primary cloud hosting is Google Cloud Platform with serverless compute.

What is Stark Bank working on?

Active projects include card issuance APIs, real-time transaction authorization, Apple Pay and Google Pay tokenization, asynchronous reconciliation systems, microservices development, SDK tooling, and partner ecosystem building and monitoring.