ClearScore Tech Stack

Financial marketplace connecting 24M users to credit, insurance, and financial products

Financial Services London, England 201–500 employees Founded 2015 Privately Held

ClearScore operates a consumer financial marketplace with infrastructure priorities around cloud cost and real-time data. The tech stack is polyglot (Go, Rust, C++, Python, Kafka, PostgreSQL, React/Next.js) and cloud-native (Kubernetes, AWS), reflecting a platform handling scale and multi-market operations. Active projects focus on API standardization, data pipeline performance, and marketplace conversion—pain points cluster around database optimization, AWS cost efficiency, and cross-squad coordination, indicating infrastructure and operational scaling challenges typical of a 24M-user financial network.

Tech Stack 56 technologies

Core StackKubernetes AWS Go Rust C++ Python Scala Kafka Node.js TypeScript React Next.js Express.js JavaScript PostgreSQL Jest Webpack Vite Contentful dbt Amplitude Tableau HubSpot Databricks Bash React Router Fastify HTML5 React Testing Library Domo+24 more

What ClearScore Is Building

◆Challenges

Meeting conversion rate targets
Complex technical programs spanning multiple squads
Complex production issues
Aws cost efficiency
Optimising database performance
Optimising real-time data pipelines
Maintaining production-grade code across markets
Improving reliability, scalability and efficiency
Optimizing user journeys
Identifying growth opportunities across funnel

▲Active Projects

Kubernetes platform evolution
Ci/cd pipeline development
Aws estate enhancement
Unified api gateway
Developer portal
Api standards
Logged-out website
Real-time data pipelines
Build and own marketplace performance reporting across conversion, eligibility and revenue
Design and analyse experiments to improve ranking, user journeys and overall conversion

Hiring Activity

Accelerating15 roles · 15 in 30d

Department

Engineering

Sales

Data

Product

Finance

Legal

Operations

Ops

Seniority

Mid

Senior

Lead

Manager

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About ClearScore

ClearScore is a UK-based financial marketplace helping users access credit, insurance, and other financial products with transparency and control. The company operates across five markets with over 200 API integrations connecting to financial institution partners; the flagship UK business is positioned as the country's leading credit score app and credit marketplace. The group is profitable and growing, serving 24+ million users. Engineering and data hiring is active and mid-to-senior weighted, with parallel projects spanning Kubernetes platform evolution, CI/CD, API gateway unification, and real-time data pipelines across multiple squads.

HeadquartersLondon, England

Company Size201–500 employees

Founded2015

Hiring MarketsUnited Kingdom, South Africa

Frequently Asked Questions

What tech stack does ClearScore use?

Go, Rust, C++, Python, Kafka, PostgreSQL, React, Next.js, Kubernetes, and AWS. Data stack includes Kafka, dbt, Amplitude, Tableau, and Databricks.

How many people does ClearScore serve?

Over 24 million users access credit, insurance, and financial products through the platform. The company maintains over 200 API partnerships with financial institutions.

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How this profile is built

ClearScore's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.