principal .net engineer jobs in Edinburgh

Principal Software Engineer .NET £90,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built on quality, resilience, and scale - and they need exceptional .NET Software Engineers to...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

As a Full Stack Engineer with expertise in .NET and Vue, you'll take on a hands-on role in building web applications while working vertically in both the frontend and the backend. Your responsibilities will involve designing, developing, and fine-tuning web applications, using .NET 6+, MediaTR, EF.Core and VueJS 2/3 to create engaging and user-friendly interfaces. You'll work closely with the...

Job Description Principal Software Engineer Location: Edinburgh, United Kingdom Contract Duration: 12 months Rate: £63.83 p/h PAYE (£73.11 inc. holiday rate) OR £87.04 p/h Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security...

You will be joining a community that focuses on learning and development through regular lunch and learn sessions, investment in accredited professional courses or educational programmes.

You will be able to make an impact both internally and with clients and receive suitable recognition.

Principal Software Engineer Fully Remote | Permanent | £85,000 - £115,000 Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping the...

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. Submit your CV and any additional required information after you have read this description by clicking on the application button. This is a unique opportunity to play a key role in the...

You will be partnering with the top water clients in the area (and in the UK) to help develop a better way of how we obtain, clean, and distribute water for our local communities.

You will be degree qualified (or equivalent) in Civil Engineering.

You will also possess experience in undertaking scoping and design within required timescales and design budgets, and produce and check technical reports.

Job Description CompanyA very reputable large multidisciplinary engineering consultancy with multiple offices throughout the UK. They are currently engaged in a number of projects ranging in size across Healthcare, Education, Commercial, Mixed-Use and more. Highly technical and well experienced senior management with clear plans outlined for staff development and progression. Trusting and...

Job Description LOCATION - Manchester / Leeds / Leicester or Edinburgh We are seeking a qualified and enthusiastic Principal Electrical Building Services Engineer to support and develop the project delivery capabilities of our busy and successful building services team. Candidates will successfully lead and deliver multiple, medium complexity projects without supervision, or packages of high...

Job Description Job Title: Principal Civil Engineer Ref. No.: CJD101025A Location: Edinburgh Salary: £50,000 - £60,000 This is a wonderful opportunity to join my client, an innovative, industry-leading Multidisciplinary Consultancy, known for lending their expertise to a range of high-profile projects across the landscape architecture, planning, and civil engineering fields. They are on the...

As a Senior Hardware /Principal Engineer, you will be working as part of a multidisciplinary team to formulate and optimise innovative hardware engineering solutions, for products such as Helmet Mounted & Head-Up Displays, Mission Computers, Flight Controls, Active Inceptors and other associated safety-critical technology. This role will provide you with the opportunity to work with leading,...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make a difference to users and organisations. We believe great engineering happens when teams...

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

Company A very reputable large multidisciplinary engineering consultancy with multiple offices throughout the UK. They are currently engaged in a number of projects ranging in size across Healthcare, Education, Commercial, Mixed‐Use and more. Highly technical and well experienced senior management with clear plans outlined for staff development and progression. Trusting and flexible working...

Job Description JOB DESCRIPTION Experienced Principal Systems Engineers, Radar Trials Analysis We are seeking experienced Systems Engineers to contribute to the continued development of an in-service radar system, by supporting the planning and analysis of radar trials (rig-based and flight trials). Successful applicants will have previous experience within a similar industry, and experience...

Overview The Senior / Principal FPGA engineer would be responsible for design and development of FPGA designs using VHDL and verifying designs using VHDL or System Verilog. Responsibilities - Creating innovative and robust VHDL-based designs - Documenting and recording deliverables - Verifying FPGA designs - Ensuring configuration management/keeping designs under revision control - Providing...

You will build our reputation in the local community and the vital Water Business, overseeing EICA design services from initial optioneering and concept design right through to detailed delivery and feasibility studies.

You will hold a Degree in Electrical Engineering (or similar equivalent) and a robust background in EICA engineering design, ideally holding Chartered or Incorporated status.

Job Description CompanyA very reputable large multidisciplinary engineering consultancy with multiple offices throughout the UK. They are currently engaged in a number of projects ranging in size across Healthcare, Education, Commercial, Mixed-Use and more. Highly technical and well experienced senior management with clear plans outlined for staff development and progression. Trusting and...