Blazor / Frontend Engineer – C# / .NET Core | Medical Data Platform (m/f/d)

Optimus Search; Bielefeld; Vor Ort; EUR 50.000 - 70.000; Vollzeit

Zusammenfassung

A med-tech company based in Bielefeld is seeking a Frontend Engineer with deep expertise in Blazor. You will take ownership of the frontend architecture, collaborating closely with backend developers and shaping the UI/UX design direction for next-generation web applications. Ideal candidates have over 3 years of professional web development experience and strong communication skills in German.

Qualifikationen

• 3+ years of professional experience in web development.
• Strong experience in the .NET ecosystem.
• Strong communication skills in German (C1 minimum).

Aufgaben

• Take ownership of the frontend architecture.
• Collaborate with backend developers for clean integration.
• Develop new features for medical research web applications.
• Help shape the UI/UX design direction.
• Drive quality through code reviews and best practices.

Kenntnisse

Blazor

C#

ASP.NET Core

JavaScript

HTML5

CSS3

Agile/Scrum

Tools

Git

Azure DevOps

Jobbeschreibung

About us

Optimus Search has partnered exclusively with an established med-tech company based in Bielefeld, renowned for their revolutionary work in patent and clinical medical data management. Their mission is to simplify how critical healthcare data is accessed, structured, and shared – enabling hospitals, researchers, and regulators to make faster, safer, and more data-driven decisions.

As part of their ongoing investment in digital platforms, they’re now seeking a Frontend Engineer with deep expertise in Blazor to help evolve the user interface for their next-generation web applications.

Tasks

• Take ownership of the frontend architecture, with a focus on building responsive, intuitive user interfaces using Blazor.
• Collaborate with backend developers to ensure clean integration with .NET APIs, data layers, and application services.
• Develop new features and workflows across web applications used in critical medical research and data governance environments.
• Help shape the UI/UX design direction, working closely with product teams and designers.
• Drive quality and maintainability through code reviews, component reusability, and adherence to clean architecture principles.
• Stay up to date with the latest in .NET and frontend technologies, sharing knowledge with the team and advocating best practices.

Profile

• 3+ years of professional experience in web development, ideally with recent focus on Blazor or Razor-based technologies.
• Strong experience with C#, ASP.NET Core, and modern frontend engineering in the .NET ecosystem.
• Familiarity with medical, healthtech, or regulated environments is a plus – but not essential.
• Strong communication skills in German (C1 minimum).

Your Tech Environment:

• Frontend: Blazor (Server + WASM), Razor, HTML5, CSS3, JavaScript, WebAssembly
• Backend: ASP.NET Core, C#, REST APIs
• Tooling & Workflow: Git, Azure DevOps, CI/CD, Agile/Scrum
• Data: SQL Server, Entity Framework Core
• Architecture: Modular, secure, performance-critical