Walley Tech Stack

Nordic payment processor serving mid-market and enterprise merchants

Financial Services Gothenburg 201–500 employees Founded 1999 Public Company

Walley is a public payments provider operating across the Nordic region with 6.5 million active users and a .NET/C# backend built for high-transaction-volume environments. The tech stack reveals a mature payments infrastructure: SQL + Cosmos DB for transactional durability, Redis for performance, Azure Service Bus for async workflows, and Kubernetes + ArgoCD for orchestration. Pain-point clustering around transaction reliability, scaling, and legacy modernization — combined with senior-heavy hiring focused on engineering and sales — signals a company managing both operational complexity and growth constraints simultaneously.

Tech Stack 32 technologies

Core StackC# .NET Redis Azure DevOps Kubernetes ArgoCD Terraform Elasticsearch Grafana ASP.NET Core WPF SQL Azure SQL Azure Cosmos DB REST SOAP Azure Service Bus NHibernate Entity Framework NUnit SpecFlow Gherkin Moq Octopus Deploy Azure Bicep PowerShell YAML Kibana BlazeMeter+2 more

What Walley Is Building

◆Challenges

Ensuring transaction reliability
Scaling commercial team
Modernizing legacy systems
Complex high-transaction environments
Complex payment integration
High transaction volume
Performance and scalability
Stability and scalability
Smooth merchant onboarding
Scaling merchant services

▲Active Projects

Checkout platform
Design system evolution
Scalable ux practices

Hiring Activity

Steady8 roles · 3 in 30d

Department

Engineering

Sales

Design

Ops

Seniority

Senior

Mid

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About Walley

Walley is Sweden's second-largest payment provider, serving medium and large merchants across e-commerce, point-of-sale, and B2B channels in the Nordics. The company operates a modular, omnichannel payment platform that integrates checkout, loyalty, and merchant services. Founded in 1999 and now publicly traded, Walley processes millions of daily transactions and is backed by Norion Bank AB. The organization employs 201–500 people, with headquarters in Gothenburg.

HeadquartersGothenburg

Company Size201–500 employees

Founded1999

Hiring MarketsSweden

Frequently Asked Questions

What is Walley's tech stack?

C#, .NET, ASP.NET Core on Azure (SQL, Cosmos DB, Service Bus). Infrastructure uses Kubernetes, ArgoCD, Terraform. Observability via Elasticsearch, Kibana, Grafana. Testing frameworks include NUnit, SpecFlow, Moq.

What is Walley working on?

Active initiatives include checkout platform development, design system evolution, and scalable UX practices. Internal challenges center on transaction reliability, performance at scale, and merchant onboarding workflows.