Senior Front-End Developer (React)

Novasign; Wien; Vor Ort; EUR 53 000 - 70 000; Vollzeit

Zusammenfassung

A biotechnology firm in Vienna is seeking a Senior Front-End Developer to build modern, user-friendly interfaces using React and TypeScript. This full-time role involves collaborating closely with software engineering teams to create data-rich applications that accelerate life-saving therapies. The ideal candidate has strong experience with real-time applications and a proactive approach to software development. Competitive salary and growth opportunities are offered.

Leistungen

Innovation Culture

Professional Growth

Meaningful Impact

Competitive Package

Qualifikationen

• 5+ years professional experience with React and TypeScript + Next.js.
• Strong understanding of real-time applications (SignalR, WebSockets).
• Experience in Agile / Scrum workflows.

Aufgaben

• Design, implement, and maintain real-time, data-rich applications.
• Collaborate with back-end engineers on API design and contracts.
• Ensure high-quality, maintainable, and testable code.

Kenntnisse

React

TypeScript

Next.js

CSS frameworks (Material UI)

Agile

Testing frameworks (Jest, Playwright)

Ausbildung

Bachelor’s or Master’s degree in Computer Science or related field

Tools

React Query

Cloud platforms (AWS, GCP, Azure)

Docker

Jobbeschreibung

At Novasign, we’re redefining the future of bioprocessing. Our platform, Novasign Studio, combines intelligent hybrid models, automation, and modern microservices (SOA) architecture to accelerate the development of life-saving therapies, next-generation enzymes, and sustainable food technologies.

We’re scaling fast with a growing customer base across biotech and life sciences. If you’re looking to make a real-world impact with cutting-edge machine learning and SaaS technology, we want to hear from you. We’re hiring ten new team members in the next four months, and this role is critical in driving our growth.

Role Summary

We are seeking a Senior Front-End Developer with deep React (Next.js) expertise to help us build modern, user-friendly, and performant interfaces. In this role, you will design, implement and maintain real-time, data-rich applications, collaborating closely with our software engineering and consulting teams. While your primary focus will be front-end development, experience with C# / ASP.NET Core, Python, and API design is highly valued.

Requirements

• Develop and maintain React / TypeScript (Next.js) interfaces with real-time features (SignalR, WebSockets)
• Collaborate with back-end engineers on gRPC and REST API design and contracts
• Apply best practices : OOP, SOLID, modular and composable design
• Work in Agile / Scrum teams, participate in code reviews, and contribute to architectural documentation
• Ensure high-quality, maintainable, and testable code with strong focus on user experience

Skills & Education

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field
• 5+ years professional experience with React and TypeScript + Next.js
• Expertise in data fetching and caching with React Query (or similar)
• Strong understanding of real-time applications (SignalR, WebSockets) and collaborative UIs
• Proficiency in state management, UI component libraries, and modern build tools
• Hands-on experience with testing frameworks (Jest, Playwright, React Testing Library) covering unit, integration, and functional testing
• Solid knowledge of CSS frameworks such as Material UI
• Experienced in Agile / Scrum workflows with excellent English communication skills

Bonus / Optional Skills

• Knowledge of C# / ASP.NET and / or Python
• Proficiency in data visualization libraries (ECharts, Plotly, HighCharts)
• Exposure to Kubernetes and cloud platforms (AWS, GCP, Azure)
• Familiarity with Storybook for component-driven development
• Familiarity with gRPC, and REST API integration
• Working knowledge of SQL, Docker, and CI / CD pipelines

Benefits

• Innovation Culture : We are an international team. We value new ideas, open discussions, and constructive criticism. Your voice shapes our technological direction
• Professional Growth : Continuous learning opportunities and career development in cutting-edge software
• Meaningful Impact : Work on software that accelerates life-saving therapies, enzyme manufacturing and sustainable food production
• Competitive Package : We offer an attractive salary above industry standards, complemented by comprehensive benefits, including a free food allowance. In accordance with the IT collective agreement (minimum ST1 – Regelstufe), the minimum gross annual salary is €53,802; however, your actual compensation will reflect your skills, experience, and impact and will be significantly higher
• Full time (38,5 h / week) – 25 days of paid holidays per full calendar year