Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Principal C#/.NET Engineer

£65k - £90k per annum
Full-time

Principal .NET Engineer

Cambridge | Hybrid | £65,000–£90,000 + 10% bonus

Our client is a global leader in industrial software and technology , providing solutions used by organisations across manufacturing, energy, engineering and infrastructure. Their technology helps customers manage the complete lifecycle of complex industrial assets, from design and construction through to operation and optimisation.

The business is investing significantly in cloud platforms, industrial data and AI , with its R&D teams working on the next generation of intelligent capabilities for its global customer base.

The opportunity

We’re looking for a Principal .NET Engineer to provide hands-on technical leadership within a growing R&D engineering team in Cambridge.

This is a senior individual contributor role. You won't be managing a large team. Instead, you'll be expected to define technical direction, solve complex engineering problems, influence architecture and mentor other engineers .

What you'll be doing

  • Defining technical approaches and architectural direction

  • Designing scalable, distributed systems using C#/.NET

  • Working with microservices, Kubernetes and cloud infrastructure

  • Driving best practices around infrastructure, automation and security

  • Solving complex technical problems end-to-end

  • Influencing architecture across a large-scale platform

  • Mentoring and supporting other engineers

  • Working closely with product and engineering teams internationally

  • Using and promoting modern AI-assisted development tools such as Codex and Claude

What we're looking for

  • Extensive commercial software engineering experience

  • Deep C#/.NET expertise

  • Strong understanding of distributed systems and microservices

  • Experience with Kubernetes, cloud platforms and Infrastructure as Code

  • Strong knowledge of authentication and authorisation

  • Broad understanding of modern software architecture

  • Proven experience taking ownership of complex technical problems

  • Ability to provide technical leadership without formal people-management responsibility

  • A genuine interest in using AI tools to improve the software development process

Vacancy posted 10 hours ago
Similar jobs that could be interesting for youBased on the Principal C#/.NET Engineer in Cambridge, Cambridgeshire vacancy
  • £55k - £80k per annum

     ...Senior .NET Engineer Cambridge | Hybrid | £55,000–£80,000 + 5% bonus Our client is a global industrial technology and engineering software...  ...complex problems across the stack and wants to work with C#, Kubernetes, microservices, cloud infrastructure and distributed... 
    .Net
    Permanent
    Hybrid working

    Trust In SODA

    Cambridge, Cambridgeshire
    10 hours ago
  • £40k - £50k per annum

     ...manufacturing, energy, infrastructure and engineering. Their technology supports the full industrial...  .... The opportunity Are you a .NET engineer who enjoys working across different...  ...scalable applications and services using C#/.NET Working within a microservices... 
    .Net
    Permanent
    Hybrid working

    Trust In SODA

    Cambridge, Cambridgeshire
    10 hours ago
  •  ...Cambridge, UK, in the position of:  Principal Hardware Engineer – Luxury Audio About the Role:...  ...procedures (Python, Audio Precision Basic, C#, NI Labview/TestStand). Previous experience...  ....harman.com’ or ‘@harmanglobal.avature.net’ email address. We will never ask for... 
    Principal
    .Net
    Full-time
    Visa support
    Hybrid working
    On-site
    Immediate start
    Remote
    Flexible hours

    HARMAN International

    Cambridge, Cambridgeshire
    more than 2 months ago
  • £45k - £65k per annum

    Company: CALIBRE SEARCH Job Type: Permanent, Full Time Salary: £45000 - £65000/annum
    Principal
    Permanent
    Full-time

    CALIBRE SEARCH

    Cambridge, Cambridgeshire
    28 days ago
  • £90k per annum

    Developing applied systems engineering for PoC instruments and diagnostics Cambridge (w/ hybrid options); to £90,000 DoE + Benefits Looking for a life science systems engineering and instrumentation expert. A serial deliverer of next-generation point-of-care and diagnostics... 
    Principal
    Hybrid working

    ECM Selection Ltd.

    Cambridge, Cambridgeshire
    8 days ago
  • £60k - £75k per annum

     ...Senior Cloud Developer | Azure | Kubernetes | C# No Sponsorship Option Cambridge, 50%...  ...be working as part of a cross-functional engineering team, designing and building highly...  ...Kubernetes , ideally AKS • Strong C# / .NET development experience • Experience building... 
    .Net
    Permanent
    On-site

    SoCode Recruitment

    Cambridge, Cambridgeshire
    a month ago
  •  ...seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a Principal Hardware Engineer I to our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about developing... 
    Principal
    Full-time

    CesiumAstro

    Cambridge, Cambridgeshire
    more than 2 months ago
  • £65k - £85k per annum

    Company: SOCODE LIMITED Job Type: Permanent, Full Time Salary: £65000 - £85000/annum
    Principal
    Permanent
    Full-time

    SOCODE LIMITED

    Cambridge, Cambridgeshire
    a month ago
  •  ...team. We are actively seeking passionate, collaborative, energetic, and forward-thinking individual to join our team as a Principal RF Engineer I . The ideal candidate has extensive experience in board-level and system-level RF electronics design . If you enjoy working... 
    Principal
    Full-time

    CesiumAstro

    Cambridge, Cambridgeshire
    more than 2 months ago
  • £65k - £75k per annum

    Company: CARRINGTON WEST Job Type: Permanent, Full Time Salary: £65000 - £75000/annum
    Principal
    Permanent
    Full-time

    CARRINGTON WEST

    Cambridge, Cambridgeshire
    a month ago
  • £90k - £115k per annum

    Company: OPUS RESOURCING LTD Job Type: Permanent Salary: £90000.00 - £115000.00
    Principal
    Permanent

    OPUS RESOURCING LTD

    Cambridge, Cambridgeshire
    23 days ago
  •  ...Abcam, a Danaher operating company, seeks a Principal Full Stack Engineer to lead development of an Agentic AI platform and applications. The role involves architecting solutions, establishing engineering best practices, and mentoring engineers in Cambridge, UK on-site.... 
    Principal

    Danaher

    Cambridge, Cambridgeshire
    a month ago
  •  ...Associate Principal AI Engineer role at AstraZeneca's Cambridge office focused on designing and deploying end-to-end artificial intelligence and mathematical optimisation solutions across pharmaceutical operations. The position involves collaborating with global engineering... 
    Principal
    On-site

    AstraZeneca

    Cambridge, Cambridgeshire
    4 days ago
  • Description Sagentia Innovation , part of Science Group plc, works with global market leaders and disruptive start-ups across the medical, consumer, industrial, defence, food & beverage, agriculture, energy and life sciences sectors. We help clients identify opportunities...
    Principal
    Full-time

    Sagentia

    Cambridge, Cambridgeshire
    1 day ago
  • £65k - £85k per annum

     ...Principal Electronic Systems Architect Cambridge area | Hybrid (3 days on site) up to £85k + package We’re working with a technology-led engineering consultancy and product developer in the Cambridge area that is growing its electronic warfare capability. They’re looking... 
    Principal
    Hybrid working

    SoCode Recruitment

    Cambridge, Cambridgeshire
    23 days ago
  •  ...Principal Mechanical Engineer - Building Services My client has an exciting opportunity for a Principal Mechanical Engineer to join their company, working within the Property Services Group Southern Team, based in Cambridge. Your role as a Principal will include work... 
    Principal
    Full-time

    Carrington West

    Cambridge, Cambridgeshire
    10 hours ago
  •  ...about the exciting opportunities that Microchip Technology, Inc has to offer. Included in these opportunities is that of Principal Analog IC Design Engineer. Microchip Technology currently has an opening for an exciting career in the Analog IP development group. The candidate... 
    Principal

    Microchip Technology Inc.

    Cambridge, Cambridgeshire
    9 days ago
  • $146k - $236.5k per annum

     ...About the Role: FL117 , a venture-backed stealth AI x bio company, is seeking a Sr. Scientist / Principal Scientist, Molecular Simulations . Here you will build the physics layer of a drug development AI platform. You will characterize how binders engage their targets... 
    Principal

    Flagship Pioneering, Inc.

    Cambridge, Cambridgeshire
    a month ago
  •  ...Climate Change and Sustainability Assurance Services —help clients measure their environmental and social impact and facilitate the net zero transition. Financial Accounting Advisory Services (FAAS)— in this client-facing role, you'll help finance leaders tackle complex... 
    .Net

    EY

    Cambridge, Cambridgeshire
    a month ago
  •  ...capability and investment. You’ll sell our secure365® Security Managed Services , Microsoft Security solutions and consultancy to net-new customers, supported by our BDR, Marketing and technical teams. Key Responsibilities: Win net-new mid-market customers and... 
    .Net
    Hybrid working
    No agency
    On-site

    Softwerx

    Cambridge, Cambridgeshire
    7 days ago
  •  ...expand, we are searching for a Senior Software Engineer to join our team. Your primary...  ...orchestration and integration solutions (primarily .NET background worker services ) that interface...  ...Demonstrate high proficiency in .NET and C#, with familiarity in Python Demonstrate... 
    .Net
    Full-time
    Hybrid working

    TreQ

    Milton, Cambridgeshire
    5 days ago
  • $108k - $209k per annum

     ...and fulfilled by. We bring together psychology, product, design, engineering, and machine learning to build digital experiences that are...  ...Role   We are seeking an experienced, creative, and talented  Principal /  Senior Software Engineer.  The ideal candidate will have a strong... 
    Principal

    Flagship Pioneering, Inc.

    Cambridge, Cambridgeshire
    more than 2 months ago
  • £13.27 per hour

     ...their best. Our workplace food experiences are driven by our promise to live more sustainably and responsibly, working towards our goal of net zero by 2030. We're people-powered at Eurest It?s an understatement to say that we?re passionate about what we do, which is why... 
    .Net
    Full-time
    Shift work
    Cambridge, Cambridgeshire
    22 days ago
  •  ...great job and fulfilling personal life. Be rewarded. Find out more. About AtkinsRéalis We're AtkinsRéalis , a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy... 
    Principal
    Full-time
    Hybrid working
    Remote
    Flexible hours

    AtkinsRéalis

    Cambridge, Cambridgeshire
    11 days ago
  •  ...We are looking for a Senior Embedded Software Engineer - Robotics to write the code that brings our robots to life. Every instrument...  ...microcontrollers together. Contribute to the lower-level, device-facing C# .NET code on the PC side that talks to the embedded layer.... 
    .Net
    Full-time
    Hybrid working
    On-site

    SPT Labtech

    Cambridge, Cambridgeshire
    more than 2 months ago
  •  ...worldwide. As part of our 2025 Vision we are putting Sustainability and Net Zero at the heart of our business.    Our team is dynamic,...  ...for a Senior Cost Controller (Senior Project Controls Engineer Grade) to join our busy and expanding, Midland & North, Infrastructure... 
    .Net
    Full-time
    No agency
    Flexible hours

    Turner & Townsend

    Cambridge, Cambridgeshire
    7 days ago
  •  ...Role: Associate Principal AI Engineer - Mathematical Optimisation Location: Cambridge UK Salary: Competitive + Excellent Benefits Do you have expertise in, and passion for Operations Research and AI? Would you like to apply your modelling expertise in a company that... 
    Principal
    On-site
    Flexible hours

    AstraZeneca

    Cambridge, Cambridgeshire
    4 days ago
  • £13.13k per annum

     ...criminal convictions. UK Registration Applicants must have current UK professional registration. For further information please see NHS Careers website. Contact: Jake Wallington, ****@*****.***.net, (***) ***-**** Cambridgeshire GP Network Ltd's privacy notice... 
    .Net
    Full-time

    Cambridgeshire GP Network Ltd

    Cambridge, Cambridgeshire
    21 days ago
  • Associate Principal Scientist Cambridge, United Kingdom We are seeking a highly motivated and experienced Associate Principal Scientist...  .... What we are looking for: Ph.D. in Chemical/Biochemical Engineering, Biotechnology, Biochemistry, or a related field with 5+ years... 
    Principal
    Full-time

    Lonza

    Cambridge, Cambridgeshire
    29 days ago
  • $165k - $209k per annum

     ...that share our passion for impact to join us!  Position Summary:  We are seeking a highly skilled, hands-on Senior / Principal Data Infrastructure Engineer to design, build, and own the data systems that make our proteomics data discoverable, trustworthy, and usable across... 
    Principal

    Flagship Pioneering, Inc.

    Cambridge, Cambridgeshire
    a month ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Principal C#/.NET Engineer. Be the first to apply!