Kroo Bank Tech Stack

UK digital bank building lending and payments infrastructure

Banking London, England 51–200 employees Founded 2016 Privately Held

Kroo is a fintech bank launched in 2016 operating a digital current account and building out lending and payment products in the UK. The hiring pattern — dominated by security (8 roles) and finance (7 roles) with minimal engineering capacity (3 roles) — reveals a compliance-heavy, regulatory-first org structure. Active projects spanning credit decisioning, arrears procedures, and financial crime operations confirm Kroo is transitioning from a consumer banking wrapper into a lending platform, with risk management eating most hiring bandwidth.

Tech Stack 10 technologies

Core StackReact Native TypeScript Kotlin Swift Java Python SQL Objective-C iOS Android

What Kroo Bank Is Building

◆Challenges

Identifying financial crime trends
Establishing lending operations function
Detecting financial crime
Optimizing financial crime prevention processes
Optimising monitoring processes
Improving credit decisioning effectiveness
Preventing fraudulent card transactions
Mitigating financial crime risks
Transforming digital banking payments
Improving risk appetite

▲Active Projects

Establishing first line lending operations
Credit decisioning ruleset and scorecard development
Implementing arrears procedures
Shared mobile platform capabilities
Payment product suite development
Dynamic pricing modelling
Affordability assessment using open banking
Fincrime operations quality & training unit
Qa framework implementation
Qa mi development

Hiring Activity

Accelerating30 roles · 20 in 30d

Department

Security

Finance

Ops

Engineering

Product

Support

Legal

Seniority

Senior

Mid

Junior

Lead

Manager

C-Level

Company intelligence

Find more companies like Kroo Bank by tech stack, pain points and active projects

Get started free

About Kroo Bank

Kroo operates as a UK-regulated digital bank offering online current accounts to consumer customers. Founded in 2016, the company is scaling lending operations (credit decisioning, scorecard development, affordability assessment via open banking) and expanding its payment product suite. The tech foundation is mobile-first: React Native, Swift, Kotlin, and Java power iOS and Android apps backed by Python and SQL infrastructure. With 51–200 employees based in London, Kroo is in active growth mode, particularly in security and finance functions to support regulated lending products.

HeadquartersLondon, England

Company Size51–200 employees

Founded2016

Hiring MarketsUnited Kingdom

Frequently Asked Questions

What tech stack does Kroo Bank use?

Mobile-first: React Native, Swift, Kotlin, Java for iOS/Android. Backend: Python, SQL. TypeScript and Objective-C also in use.

What is Kroo Bank working on?

Establishing lending operations (credit decisioning, affordability assessment, arrears procedures), expanding payment products, implementing financial crime detection and prevention frameworks, and developing QA infrastructure.