Senior Fullstack Developer – .NET, Angular

inventYOU IT Consulting

. Develop and maintain a business-critical digital platform .

Posted 10/13/2026full-timeStockholm • SwedenSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in full-stack development with .NET and C#, alongside strong proficiency in Angular and React. Capable of optimizing application performance, troubleshooting complex issues, and contributing to architectural decisions in a collaborative environment.

Highest-signal resume keywords

Full-Stack DevelopmentAngular DevelopmentReact DevelopmentREST API UnderstandingApplication Modernization

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Hard Skills

.NETC#AngularReactREST APIsDebuggingPerformance OptimizationTechnical Debt ReductionApplication DevelopmentWeb Application Architecture

Soft Skills

Independent WorkCollaborative Teamwork

Tools & Technologies

Agile MethodologiesDigital Platforms

Industry Keywords

BankingFinanceCreditReal Estate

Tech Stack

Tools & technologies

AngularReact.NET

About the role

Key responsibilities & impact

Develop and maintain a business-critical digital platform
Work across back-end and front-end development
Build new features and improve existing functionality
Ensure application stability and performance in production
Work hands-on with an existing codebase
Troubleshoot complex issues and debug applications
Optimize performance and reduce technical debt
Contribute to architectural decisions
Provide technical input on a potential frontend migration from Angular to React

Requirements

What you’ll need

Senior-level experience in full-stack development with .NET and C#
Strong hands-on experience with Angular
Experience developing and maintaining custom-built web applications in production environments
Solid understanding of REST APIs and modern web application architecture
Experience troubleshooting, debugging, optimizing performance, and reducing technical debt
Ability to work independently and collaboratively within a development team
Full professional proficiency in Swedish, both written and spoken
Ability to work in a hybrid setup in Stockholm
Experience with React
Experience migrating frontend applications from Angular to React
Experience developing digital platforms within banking, finance, credit, or real estate
Familiarity with Agile development methodologies
Experience with application modernization and legacy system improvements

Benefits

Comp & perks

Work on a business-critical digital platform with continuous development and technical improvements
Take ownership of both backend and frontend development using .NET, C#, and Angular, with potential exposure to React
Join inventYOU, an IT staffing and consulting company with a strong presence across Stockholm and Athens, offering exciting consulting opportunities and close support throughout your assignment