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Back End (C# .NET) Software Engineer

Thermo Fisher ScientificWaltham, United States
US15000GBP - 500000GBP
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We are looking for a talented mid-level C# .Net Back End Software Engineer to join our dynamic team. This role will engage in the comprehensive software development lifecycle (SDLC), involving design, development, testing, deployment, monitoring, and maintenance of software systems. This role requires a solid foundation in software development, the ability to work collaboratively with cross-functional teams, and a commitment to learning and growth within the company.
This is a 2-year fixed term, home-based role for qualified candidates in the UK. Must have authorization to work in the UK without sponsorship for the duration of the fixed term.


Key Responsibilities

  • Contribute to our governance, principles, and ways of working.
  • Design, develop, and maintain software applications.
  • Collaborate with product managers, designers, and other engineers.
  • Write clean, scalable, and efficient code.
  • Troubleshoot, debug, and upgrade existing software.
  • Participate in code reviews and contribute to team knowledge sharing.

Qualifications & Experience

  • 3-5 years' experience as a Software Engineer or similar role.
  • Hands-on experience and proficiency with C# .Net specifically Azure Cloud usage.
  • Solid understanding of software development methodologies.
  • Knowledge of RESTful APIs and microservices architecture.
  • Strong understanding of serverless architecture and cloud computing principles.
  • Experience with building data ingestion with multiple file format, API integration.
  • Knowledge of TDD, BDD including writing unit test, integration and E2E testing.
  • Strong problem-solving skills and attention to detail.
  • Bachelor’s degree in computer science, engineering, or a related field (or equivalent work experience).

Nice to have

  • Experienced with other elements of our tech stack.
  • Experienced with infrastructure-as-code tools such as Bicep, ARM Templates, Terraform, or similar.
  • Contributions to open-source projects or personal projects.
  • Microsoft Certified: Azure Developer Associate.
  • Microsoft Certified Azure Solutions Architect Associate.

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FAQ

Is the Back End (C# .NET) Software Engineer position at Thermo Fisher Scientific remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
What is the salary for the Back End (C# .NET) Software Engineer role?
The posted salary range for this position is 15000GBP - 500000GBP.
When was this Back End (C# .NET) Software Engineer job posted?
This listing was posted on February 6, 2026 and is still open for applications.
How do I apply for the Back End (C# .NET) Software Engineer position at Thermo Fisher Scientific?
Use the apply button on this page — it takes you directly to the employer’s application page.

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