Senior C# Software Engineer Consultant
As a Senior C# Software Engineer Consultant, you will design and deliver core application components and system interfaces that connect software and hardware reliably and at scale. You will help shape the technology roadmap, strengthen the architecture, and act as a technical counterpart for cross‑functional teams.
Responsibilities
Design, implement, and maintain C#/.NET applications for device control, data processing, and operator interfaces.
Specify, implement, and validate system interfaces and communication protocols between software and hardware.
Create clear interface definitions and command sets.
Contribute to product requirements and specifications together with product management, systems engineering, and QA.
Conceive and evolve modular software architectures that integrate with hierarchical logical and physical system architectures.
Develop and maintain simulation-based components for system behavior and integration testing.
Formalize component requirements and contracts for development, integration, verification, and validation.
Act as Technical Product Owner for your components, locally and in collaboration with global stakeholders.
Collaborate closely with other business units on system architecture and cross‑business requirements.
Ensure high code quality through code reviews, automated tests, CI pipelines, and documentation in Azure DevOps.
Requirements
Several years of professional experience in C# and .NET development.
Strong background in software architecture and API design for complex systems.
Experience with embedded‑adjacent or hardware‑software integration topics such as device control, real‑time data flows, or industrial protocols.
Practical knowledge of Azure DevOps or similar tools for CI/CD, work tracking, and documentation.
Experience with one or more of the following is a plus: WPF or modern desktop UI frameworks, OPC UA or other industrial communication stacks, gRPC or REST, message queues, simulation frameworks, test automation.
Solid understanding of software engineering practices: version control with Git, code reviews, unit and integration testing, performance profiling, debugging.
Methodical and analytical working style with a focus on reliability, maintainability, and clear interfaces.
Excellent communication skills in German and English.
Benefits
Competitive salary and benefits package.
Work with a talented and diverse team.
Collaborative and dynamic work environment.
20% work from home, 80% on‑site (Graubünden).
Job Details
Work location: 8304 Wallisellen (ZH)
Workload: 100%
Employment start: Immediately
Employment duration: Permanent
Qualification: skilled
Work experience: More than 3 years
Education: Bachelor’s degree from a university of applied sciences or equivalent
German – orally: Very good knowledge; written: Very good knowledge
English – orally: Very good knowledge; written: Very good knowledge
Application method: Online form
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