Principal Software Engineer jobs in Edinburgh

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...

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 both the hands-on technical lead and the architect of our future technology direction, guiding our software team while setting the foundations for a scalable product and engineering organisation. Working closely with our valuation specialists and product team, you will design solutions that fundamentally transform how valuation advisory services are delivered.

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...

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...

Job Description Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You’ll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI’s global edge. This role requires deep expertise in Linux networking data...

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...

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...

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.

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 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 Principal Mechanical Engineer, London. Excellent opportunity for an experienced Principal Mechanical Engineer to play a key part in the growth of an expanding M&E team within an International Engineering and Design Consultancy. Location: London Salary: £50,000 - 70,000 + Package benefits Job Description: The Resolute Group is working in partnership with an International...

Job Description At CloudHQ, our mission is to deliver flexible, efficient, and resilient data center solutions to businesses worldwide. Founded by a pioneer in data center REITs, we are a rapidly growing organization with state-of-the-art data center sites globally in locations such as Ashburn, London, Frankfurt, Paris, Milan, Osaka, and São Paulo. As we embark on an exciting phase of global...

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

Job Description Senior Software Engineer Edinburgh Permanent iO Associates are working with an outstanding Engineering provider who are looking to add a new Senior member to join their Software team, due to ongoing growth. They design and manufacture electronic instruments and electromechanical devices across different markets. With this role being a senior vacancy, you will have the chance to...

You will have the opportunity to work on some of the most exciting and technically challenges projects within this fast paced sector. WSP are currently involved in numerous projects, working with Colocation Providers, End Users and Enterprise clients, both within the UK and across EMEA.

You will assume technical leadership across water & wastewater, energy, and infrastructure portfolios.

You will be expected to utilise advanced analysis software (e.g., Hades, Varism, Flow 3 D) to engineer robust client solutions, mentor junior engineers, and ensure technical rigour in all deliverables.

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...

You will work with business stakeholders to understand their needs and deliver pragmatic, high-impact solutions in a fast-paced, Agile environment.

You will be expected to work across a diverse technology stack - including Python, APIs, Power BI, and low-code tools - to build and iterate on solutions that drive real business outcomes.

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.