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C# Senior Software Engineer

Location Nänikon, Canton of Zurich, Switzerland Date posted November 12, 2026 Job ID 23792
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Our Opening and Your Responsibilities
In our Software Development Center, we develop a next-generation Cloud-ready solution that connects to high-precision laboratory measurement instruments, collects and processes their measurement data. The software is distributed worldwide, highly scalable and supports multiple languages. To further expand our leadership role, we invest in our software platforms for new products. That is why we are looking for a motivated C# Senior Software Engineer 100% (all genders).

In this role, you will: 
  • work independently as part of a dynamic and high-performance software team (approx. 45 engineers in several sub-teams across Switzerland and India and help the team achieve its goals
  • work closely together with product managers, requirements engineers, software engineers in test and your software engineer colleagues
  • take part in all phases (concept, design, implementation, unit testing and code reviews) of the development of the core components for a cloud-ready solution, applying modern agile and DevOps practices
  • own the technical design and estimation of small to medium-sized features within the agreed architecture, including dependencies and risks
  • investigate complex defects, identify root causes, and improve quality through tests and automation
  • share expertise and support less experienced colleagues through informal mentoring
What You Need to Succeed
Your profile:
  • Degree in computer science or a comparable field (FH / BSc, MSc)
  • Strong programming skills in C#/.NET and 5+ years of relevant work experience in software engineering
  • Strong skills to design small to medium-sized features, and knowledge of OOA / OOD, UML and BDD
  • Hands-on experience with SQL, distributed transactions and service bus is a plus
  • Hands-on experience with containers and orchestration platforms is a plus
  • Experience with ASP.NET or with web front-end frameworks such as React, Angular, Vue.js or Blazor for simpler front-end tasks is a plus
  • Know-how of phase models and agile methods
  • A passion for clean code and pragmatic, well-structured design
  • Using AI thoughtfully in development while applying thorough review and quality practices
  • A passionate software engineer who brings curiosity, initiative, and creativity to their work
  • Reliable and collaborative team player who communicates openly, works independently, and focuses on shared goals; willing to question established processes constructively
  • Fluent in English (oral and written), our main working language - German is a plus
Our Offer to You
We offer:
  • Flexible working hours (depending on the role), a hybrid work model, and a wide portfolio of training opportunities
  • A 40-hour work week with at least 25 vacation days per year, plus 4 to 7 additional days off between bank holidays
  • Free parking and direct access to public transport
  • Healthy lunches cooked onsite at our own METTLER TOLEDO restaurant, with special prices for employees 
  • A range of additional attractive benefits, including employee discounts at select area businesses
You can expect challenging, interesting, and varied tasks in an innovative and international environment, with the opportunity to network globally and achieve your career goals.

Have we raised your interest? Then we look forward to receiving your complete application at our Job portal.

Please note that we do not accept any application documents via e-mail, only applications submitted on our job platform due to our data protection guidelines. Furthermore, we do currently not accept applications from recruitment agencies for this role.

If you have any question, please do not hesitate to contact our Talent Acquisition Team ta-ch@mt.com.
About Mettler Toledo
METTLER TOLEDO is a global leader in precision instruments and services. We are renowned for innovation and quality across laboratory, process analytics, industrial, product inspection, and retailing applications. Our sales and service network is one of the most extensive in the industry. Our products are sold in more than 140 countries, and we have a direct presence in approximately 40 countries. For more information, please visit www.mt.com.
Equal Opportunity Employment
We are an equal opportunity employer and value diversity at our company. We give consideration for employment without regard to race, color, religion, sex, age, national origin, disability, sexual orientation, gender identity, genetic information, or any other protected classification. You can find more details in our Equal Employment Opportunity Policy.
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We are an equal opportunity employer and value diversity at our company. We give consideration for employment without regard to race, color, religion, sex, age, national origin, disability, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected classification. Learn your EEO rights as an applicant under the law.

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