Y

Yellowtail Conclusion Tech Stack

Fintech consulting and software delivery for financial services modernization

Business Consulting and Services Naarden 201–500 employees Founded 2003 Privately Held

Yellowtail Conclusion builds fintech solutions and digital transformation services for financial institutions navigating regulatory complexity and shifting consumer behavior. The tech stack reveals a Microsoft-first (.NET Core, C#, SQL Server, Azure) enterprise environment with selective modern frontend adoption (Angular, React, Vue) and emerging AI integration (PyTorch, LangChain). Active migration from ASP.NET MVC to .NET Core signals ongoing legacy modernization—a pattern reinforced by pain points around legacy application maturity and data standardization across partner ecosystems.

Tech Stack 35 technologies

Core StackAngular React Vue Cypress jQuery C# SQL Server Azure DevOps ASP.NET .NET PHP Laravel Python PyTorch LangChain Kubernetes BPMN JSON-LD XML ArchiMate Git NET Core .NET Framework Entity Framework Azure API Management ASP.NET MVC LinkedIn Aurora Azure Entra ID+4 more

AdoptingAngular Blazor

ReplacingASP.NET MVC

What Yellowtail Conclusion Is Building

◆Challenges

Complex financial world
Integrating ai into finance
Turbulent financial sector
Modernizing legacy application
Security of sensitive data
Ensuring information security
Transformation of pension and wealth landscape
Digital resilience
Data standardization across partners
Adding innovative functionality

▲Active Projects

Implementations of key control dashboard
Implementing new processes or systems
Healthcare organization go-live project
Implementation at a large ministry
Go-to-market strategy
Visionai document processing platform
Implementing key control dashboard at a ministry
Ui transformation
Identificeren van nieuwe groeikansen op basis van onderzoek
Migrating asp.net mvc to .net core

Hiring Activity

Accelerating45 roles · 30 in 30d

Department

Engineering

21

Consulting

9

Sales

6

Data

4

Finance

2

Executive

1

HR

1

Product

1

Seniority

Senior

26

Junior

9

Mid

7

Lead

2

Intern

1

Manager

1

Company intelligence

Find more companies like Yellowtail Conclusion by tech stack, pain points and active projects

Get started free

About Yellowtail Conclusion

Yellowtail Conclusion is a fintech consulting and software development firm serving financial institutions in the Netherlands. Founded in 2003 and part of the Conclusion group, the company delivers business consulting, custom software development, and digital transformation services with particular focus on mortgages, pensions, and wealth management. The team blends business consultants, IT specialists, and UX designers. Current project activity spans control dashboard implementations, large-scale government and healthcare system go-lives, document processing platforms (VisionAI), and legacy application modernization.

HeadquartersNaarden

Company Size201–500 employees

Founded2003

Hiring MarketsNetherlands

Frequently Asked Questions

What tech stack does Yellowtail Conclusion use?

Primary stack: .NET Core, C#, SQL Server, Azure, and Angular/React for frontend. Also uses Python, PyTorch, LangChain for AI integration. Migrating from ASP.NET MVC to .NET Core; actively adopting Blazor.