Direct message the job poster from Novasign
At Novasign, we’re redefining the future of bioprocessing. Our platform, Novasign Studio, combines intelligent hybrid models, automation, and a 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 seek a C#/ASP.NET full-stack engineer with deep React expertise to design and build robust, scalable gRPC and REST APIs for Novasign Studio. You’ll work on core systems, focusing on high-performance APIs, real-time SignalR applications, and modern React interfaces while applying strong OOP and Domain-Driven Design principles and collaborating with our software engineering and consulting teams to deliver high-quality, maintainable solutions.
Key Responsibilities
• Design and implement microservices using C#/ASP.NET (Core), SignalR, and modern React via Next.js
• Develop and maintain gRPC and RESTful APIs with Swagger/OpenAPI documentation
• Build and maintain real-time applications using SignalR and WebSockets
• Fully understand and apply best practices like DDD, Modular Design, OOP, SOLID, DRY, KISS, Composition
• Ensure robust CI/CD, Git workflows, code reviews, and architectural documentation (ADR, C4)
• Adhere to industry standards and best practices for delivering high-quality, well-tested code
• Engage with other team members in short meetings, discussions, and brainstorming to deliver features and tackle cross-team problems
• Engage in cross-team, cross-domain discussions and willingly learn bioprocessing concepts to deliver holistic solutions
• Embrace and adopt new development techniques and tools aligned with team decisions, including responsible use of AI-assisted development features in modern IDEs
Required Qualifications
• Bachelor’s/Master’s in Computer Science, Software Engineering, or related field
• 5+ years of C# and ASP.NET (Core) experience, including modern C#, OOP, LINQ, and DDD
• Strong gRPC and Protocol Buffers experience, including service definitions, RPC patterns, and bi-directional streaming
• Strong SignalR and WebSocket experience for real-time applications and collaborative features
• Strong experience with microservices architecture and SOA patterns
• Knowledge of Event-Driven Architecture (EDA) and message brokers (e.g., RabbitMQ, Kafka)
• Strong SQL and relational database design experience with EF Core
• CSS frameworks: Material UI, Bootstrap, or Tailwind
• Strong experience with Swagger/OpenAPI, OAuth2/OIDC protocols, JWT, and authentication systems
• Strong grasp of key design patterns and practices (e.g., DDD, Dependency Injection, SOLID, DRY, KISS, Composition)
• Kubernetes concepts and container orchestration
• Bash/CLI skills, Git workflows, and understanding of CI/CD, Agile/Scrum
Preferred Qualifications
We welcome applicants who meet most —but not necessarily all—of the preferred qualifications listed below.
Priority levels: ●● Highly Desirable | ● Desirable
• Frontend tools: Storybook, ESLint, Vite, SWR/React Query ●
• Documentation & Architecture: ADR, C4, security best practices, observability
• Code Quality & Static Analysis: SonarQube (and similar tools)
• Security & Compliance / GRC Platforms: Governance-Risk-Compliance platforms
• Language skills: German proficiency
What We Offer
• 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
How to Apply
Please apply directly via our LinkedIn job posting (preferred). This route ensures your application is tracked correctly and reaches the hiring team the fastest.
If applying through LinkedIn is not possible, you may instead email us at careers@novasign.at with the subject line “Senior Full-Stack Engineer – C#/ASP.NET & React” and include your CV, GitHub (or comparable) profile, and a short cover letter.
We review applications on a rolling basis and aim to respond within one week.
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
* Job function
Engineering and Information Technology
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