emerchantpay Tech Stack

Global payment service provider for online, mobile, and in-store transactions

Financial Services London, England 201–500 employees Founded 2002 Privately Held

emerchantpay operates a multi-channel payment platform built on .NET/ASP.NET with SQL Server and AWS, now adopting React, Redux, and GraphQL to modernize frontend and API layers. The stack shape—heavy .NET backend with emerging JavaScript-first frontend tooling—reflects a maturing architecture. Current hiring is heavily weighted toward senior engineers and leads (16 of 24 open roles), concentrated in infrastructure automation and scaling highly available payment services, suggesting capacity constraints around PCI-DSS compliance, fraud detection, and Linux server management at volume.

Tech Stack 78 technologies

Core Stack.NET SQL Server Angular Active Directory Python AWS MySQL PostgreSQL Tableau Power BI Go Ruby React Ruby on Rails Redis RabbitMQ Linux Puppet Ansible ASP.NET MVC ASP.NET Web API Git SQL Excel QuickSight QlikView Ember.js OpenSSL ModSecurity Chef+48 more

AdoptingReact Redux Redis RabbitMQ GraphQL

What emerchantpay Is Building

◆Challenges

Performance optimisation challenges
Scaling highly available payment services
Lack of structured data access
Pci-dss compliance maintenance
Infrastructure automation challenges
Scaling linux server management
Advanced fraud management
Fraud management challenges

▲Active Projects

Billing platform feature development
Infrastructure automation initiative
Scaling highly available payment services
Designing and implementing complex workflows, apis, and ui backends for payment platforms

Hiring Activity

Accelerating25 roles · 10 in 30d

Department

Engineering

Data

Sales

Support

Seniority

Senior

Lead

Manager

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About emerchantpay

emerchantpay is a payment service provider and acquirer headquartered in London that processes online, mobile, in-store, and phone payments for mid-to-large businesses across eCommerce, retail, travel, and gaming. The platform consolidates acquiring, local and international payment methods, fraud protection, and performance optimization into a single integration. Founded in 2002, the company operates with 201–500 employees and actively hires engineers and data specialists in the UK and Bulgaria.

HeadquartersLondon, England

Company Size201–500 employees

Founded2002

Hiring MarketsBulgaria, United Kingdom

Frequently Asked Questions

What tech stack does emerchantpay use?

Core stack: .NET, ASP.NET MVC, SQL Server, and AWS. Frontend: Angular and React. Message queues: RabbitMQ. Caching: Redis. Data visualization: Tableau, Power BI, QuickSight. Currently adopting GraphQL and Redux.

What is emerchantpay working on?

Billing platform features, infrastructure automation, scaling highly available payment services, and designing complex payment workflows and APIs. Key challenges include performance optimization, PCI-DSS compliance, and fraud management at scale.