Software Developer .NET C#

Vexcash AG; Berlin; Hybrid; Vertraulich; Vollzeit

Benefits dieser Stelle

Deutschlandticket (100%)

Urban Sports Club membership

Fruit & drinks in office

Office next to Berlin Hbf

Hybrid Working

Personal & professional development

Stable company since 2011

Zusammenfassung

VEXCASH AG is a leading German fintech company delivering fast online loans. We invite an experienced .NET/C# Developer to join our Berlin team, focusing on backend services and APIs with a strong frontend collaboration as needed.

You will work with .NET 8+ and modern Microsoft stack to build reliable, scalable software, contributing across the full stack and to CI/CD and Azure deployments. Our hybrid office in Berlin offers a dynamic, international environment.

Qualifikationen

• Strong professional experience with C# and the .NET ecosystem.
• Experience with .NET 8+ / ASP.NET Core for modern development.
• Experience designing RESTful APIs.
• Strong SQL Server and data modelling skills.
• Frontend basics: HTML5, JavaScript/TypeScript, CSS.
• Experience with automated testing frameworks (xUnit/NUnit/MSTest).
• Experience with Git in collaborative environments.
• Familiarity with CI/CD pipelines and Azure.
• Experience in Agile development environments.

Aufgaben

• Develop clean, maintainable, testable C# code from business requirements.
• Design, develop, and maintain ASP.NET Core MVC/Razor Pages apps.
• Implement RESTful APIs and scalable architecture.
• Contribute to frontend using HTML5, CSS, JS/TS.
• Work with SQL Server for data modelling and tuning.
• Implement automated tests to ensure quality.
• Collaborate using Git and participate in code reviews.
• Contribute to CI/CD pipelines and automated deployments.
• Work with Azure services and cloud architectures.
• Analyze, troubleshoot, and resolve issues.
• Improve code quality, architecture, and processes.

Kenntnisse

C#/.NET

ASP.NET Core

Entity Framework Core

RESTful APIs

SQL Server

Frontend HTML/JS/TS

Unit testing

Git workflows

Azure

Agile methodologies

Tools

Git

Jobbeschreibung

VEXCASH AG is Germany’s leading online provider of short-term loans. We offer our customers a quick and straightforward solution to bridge the gap until their next payday. More than 800,000 customers already rely on our service. Thanks to our innovative approach, they can secure financial liquidity without having to commit to a long-term agreement.

Tasks

We are looking for an experienced .NET/C# Developer to join our team and contribute to the development of modern web applications in the FinTech sector. You will work in a skilled and collaborative environment using modern Microsoft technologies (.NET 8+) to build reliable, maintainable, and high-quality software solutions. As a full-stack developer, you will contribute across the entire application stack, with a primary focus on backend services and APIs, while also supporting frontend development where needed.

Responsibilities:

• Develop clean, maintainable, testable, and reusable C# code based on business requirements and user stories
• Design, develop, and maintain applications using ASP.NET Core MVC, ASP.NET Core Razor Pages, and Entity Framework Core.
• Design and implement RESTful APIs following best practices and scalable architecture principles
• Contribute to frontend development using HTML5, CSS, Bootstrap, JavaScript, and TypeScript
• Work with SQL Server, including data modelling, query optimization, and performance tuning
• Implement automated tests (unit and integration) to ensure software quality
• Collaborate using Git-based workflows and participate in code reviews
• Contribute to CI/CD pipelines and automated deployments
• Work with Microsoft Azure services and cloud-based architectures
• Analyze, troubleshoot, and resolve technical and performance issues
• Contribute to continuous improvement of code quality, architecture, and development processes

Requirements

Requirements:

• Strong professional experience with C# and the .NET ecosystem
• Hands-on experience with .NET Framework (maintenance and enhancement of legacy applications) and .NET 8+ / ASP.NET Core for modern application development
• Solid experience with ADO.NET and Entity Framework Core
• Experience designing and building RESTful APIs
• Strong knowledge of SQL Server, relational database design, and query optimization.
• Experience with frontend technologies (HTML5, JavaScript/TypeScript, CSS)
• Experience with automated testing frameworks (e.g., xUnit, NUnit, MSTest)
• Good understanding of software architecture principles and design patterns
• Experience using Git in collaborative development environments
• Familiarity with CI/CD pipelines and tooling
• Experience with Microsoft Azure
• Experience working in agile development environments
• Strong problem-solving skills and focus on code quality
• Good command of English and German

Benefits

What we offer:

• We currently offer the Deutschlandticket on a 100% basis (available to employees only)
• We currently offer membership of Urban Sports (available to employees only)
• Fresh fruit baskets, hot and cold drinks in our office
• An international, dynamic, committed and supportive team
• An office located right next to Berlin’s main railway station Hauptbahnhof, designed in the style of a co-working space
• Hybrid Working
• Opportunities for personal and professional development
• A secure job in a company that has enjoyed a steady success story since its foundation in 2011