Checkout.com Tech Stack

Cloud payments platform for enterprise transaction processing and payouts

Financial Services London, England 1,001–5,000 employees Founded 2012 Privately Held

Checkout.com operates a cloud-based payments infrastructure serving enterprise and scaling businesses globally. The tech stack reveals a dual-track architecture: Kafka + Flink + Spark for high-volume transaction streaming and data pipelines, paired with a growing ML/AI layer (scikit-learn, XGBoost, TensorFlow, PyTorch, Gemini, LangChain) now deployed on Databricks, SageMaker, and Vertex AI. Active hiring in sales and engineering alongside new product launches and AI-driven lead generation suggests expansion into adjacent payment verticals while automating internal operations.

Tech Stack 133 technologies

Core StackSalesforce Kafka Apache Flink Iceberg AWS Python scikit-learn TensorFlow PyTorch Apache Spark Databricks SageMaker Vertex AI Kubeflow JavaScript LangChain Docker Kubernetes Terraform C# XGBoost Seldon Triton GPT BERT Llama Gemini PydanticAI GCP Azure+100 more

AdoptingJava Go Gemini

What Checkout.com Is Building

◆Challenges

Cut processing costs
Optimising merchants payment flow
Boost acceptance rates
Compliance with regulatory requirements
Payment solution optimization
Expanding us gtm team
Reducing payment complexity
Automation of reconciliation processes
Inefficiencies in current ways of working
Ensuring compliance across multiple jurisdictions

▲Active Projects

New product launches
Regional go-to-market strategy
Technical migrations
Operations hub in mexico city
Ai-driven lead generation and pipeline optimization
Sales enablement toolkit creation
Adding new payment solutions
Global payments strategy
Merchant account development plans
Data analysis framework

Hiring Activity

Steady300 roles · 110 in 30d

Department

Sales

Engineering

Finance

Ops

Product

Support

Data

Seniority

Senior

139

Mid

Manager

Junior

Lead

Staff

Director

Intern

Notable leadership hires: Business Development Lead, Head of Risk, Head of Operations, Chief of Staff, Cyber Security Director

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About Checkout.com

Checkout.com is a payments platform enabling enterprises to process transactions, send payouts, and operate card programs at scale. Founded in 2012 and headquartered in London, the company operates across six continents with regional hubs in New York, Paris, Dubai, Hong Kong, and Mexico City. The product serves global brands across ecommerce, retail, B2B, and fintech verticals. Current priorities span payment solution optimization, merchant acceptance rate improvement, multi-jurisdictional compliance, and reconciliation automation—reflecting the operational complexity of a multi-region, multi-vertical payments network.

HeadquartersLondon, England

Company Size1,001–5,000 employees

Founded2012

Hiring MarketsChina, United Kingdom, Mauritius, Netherlands, Estonia, United States, United Arab Emirates, France

Frequently Asked Questions

What tech stack does Checkout.com use?

Checkout.com's core platform runs on Kafka, Apache Flink, and Spark for transaction streaming and data pipelines, with AWS/GCP/Azure for cloud infrastructure, Kubernetes for orchestration, and Salesforce for sales operations. ML components use scikit-learn, XGBoost, TensorFlow, PyTorch, and LLMs (Gemini, BERT, Llama) deployed via SageMaker, Vertex AI, and Databricks.

Where is Checkout.com headquartered and where does it hire?

Headquartered in London, England. The company maintains offices across six continents and actively hires in 19 countries: UK, US, China, UAE, France, Germany, Spain, Netherlands, Estonia, Canada, Brazil, Mexico, Israel, Japan, Saudi Arabia, Australia, Singapore, Mauritius, and India. A new operations hub is launching in Mexico City.