26 to 48 of 48 Principal Software Engineer Jobs in the UK

Principal Embedded Software Engineer

Hiring Organisation
Zenovo
Location
North West, United Kingdom
Employment Type
Permanent
Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We’re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced … embedded systems. This is a senior, hands-on role combining system architecture, embedded software development, and project ownership. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you’re a senior embedded engineer looking to influence ...

Principal Software Engineer

Hiring Organisation
Loop Recruitment
Location
City of London, London, United Kingdom
Principal Software Engineer 💰 Up to £150,000 (Can be flexible dependant on the person) + Share Options 📍 London (On-site, supportive environment, flexible core hours, 5 days a week) 🏢 SAAS You’ll have real ownership from day one, with the freedom to shape your work, explore ...

Principal Software Engineer

Hiring Organisation
Eurochange
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Principal Software Engineer Hours: 40h p/w Location: Remote Salary:60k-70k Build the platforms that power better travel money At eurochange , we're transforming foreign exchange - making it better, simpler and more convenient for millions of customers click apply for full job details ...

Senior/ Principal Embedded Software Engineer

Hiring Organisation
PEKTRON GROUP LTD
Location
Derby, Derbyshire, East Midlands, United Kingdom
Employment Type
Permanent
Pektron Group Ltd is searching for a Senior/Principal Embedded Software Engineer who will be responsible for writing software for a range of bespoke products. Our Engineering attitude is confident and can do and with solid research and a lot of intuition we nearly always … language for the variety of 32 bit micros we use on our boards and were good at it! We pride ourselves on efficient reliable software and we mix our hardware and software teams together so that we can get the most out of our micros ...

Principal AI Software Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
Principal AI Engineer Up to £110,000 + Bonus Hybrid | London We’re partnered with a global leader in loyalty and customer engagement, looking for a Principal AI Engineer to join their London team. This role will include delivering customer centric solutions and scale production-grade … closely with the Head of AI Labs, you’ll lead the delivery of advanced AI systems that deliver real business impact. Responsibilities as a Principal AI Engineer: Lead end‐to‐end delivery of scalable, resilient AI/ML pipelines aligned to business goals. Build and deploy advanced ...

Principal C/C++ Software Engineer

Hiring Organisation
Ultra PCS Limited
Location
GL51, Bamfurlong, Gloucestershire, United Kingdom
Employment Type
Permanent
Ultra PCS is a leader in providing solutions for aerospace and defence systems. We are seeking an experienced Software Engineer to join our team. We are searching for a dynamic highly skilled Software Engineer with a wide breadth of skills who is interested in applying those … skills and furthering their development skillset on a variety of software projects. As a Principle Software Engineer, you will be expected to produce C++ code to produce custom plugins for our EAK GVA platform. The successful applicant will have experience in distilling requirements from interactions with ...

Principal Software Engineer

Hiring Organisation
Spacelabs Healthcare
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
enabling better-informed clinical decisions, increased efficiency, and safer care environments. Why Spacelabs? Because lives depend on what we build. Role Overview As a Principal Software Engineer, you will play a pivotal leadership role within the Spacelabs R&D engineering organization, leading the development of our Patient … Monitoring and Connectivity (PMC) products. You will combine deep technical expertise with system-level thinking to guide architecture, design, and implementation across complex software systems. This role requires a hands-on technical leader who can influence product direction, mentor engineers, and collaborate closely with cross-functional teams to deliver ...

Principal Software Engineer

Hiring Organisation
Insignis
Location
Nationwide, United Kingdom
Employment Type
Permanent
title: Principal Software Engineer - Autonomy Location: Fareham, Hampshire Responsible to: Autonomy & Control Director Liaison with: All Kraken staff, sub-contractors, customers, and suppliers Role overview: To lead the software development of a high-level autonomy capability to be deployed to all Kraken autonomous vehicles. This … engineers, to integrate autonomy solutions. Develop and maintain high-quality, well-documented code using C++ and Python. Conduct rigorous testing and validation of autonomy software in both simulated and real-world environments. Provide technical leadership, mentoring, and guidance to junior engineers and researchers. Balance R&D experimentation with production ...

Principal Embedded Software Engineer IoT & Full-Stack

Hiring Organisation
Gerrell & Hard
Location
Bicester, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Principal Embedded Software Engineer IoT & Full-Stack Location: Hybrid/Bicester Type: Permanent Salary: Competitive, market-based TUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp a high-power EV charging solution designed for grid-constrained sites. By integrating battery storage, smart … short. Working with enterprise customers across Europe, TUAL is transforming the productivity and profitability of electric commercial vehicle fleets through a portfolio of intelligent, software-defined, cloud and IoT-enabled charging solutions. The Role Were looking for a hands-on Lead Software Engineer to own the design ...

Principal Software Engineer - Integration

Hiring Organisation
Northern Lincolnshire and Goole NHS Foundation Trust
Location
Grimsby, Hull, Scunthorpe and Goole, DN33 2BA, United Kingdom
Salary
£55690.00 to £62682.00
summary As our Principal Software Engineer, you will take a senior leadership role within the Digital Services Directorate, responsible for architecting, developing, integrating, and supporting the digital systems critical to our EPR rollout and wider organisational strategy. In this role, you will: Lead and mentor a team … highly skilled developers and integration specialists. Oversee development of high-quality, resilient, secure software and data integrations supporting clinical safety and operational efficiency. Act as technical authority across backend systems, interfaces, data architecture and code quality, providing expert leadership to development teams. Work with clinical and non-clinical colleagues ...

Principal Software Engineer (C++)

Hiring Organisation
Spacelabs Healthcare
Location
Edinburgh, Scotland, United Kingdom
scalable solutions deliver critical patient data across local and remote systems, enabling better decisions, increased efficiency, and safer care. We’re seeking a Principal Software Engineer to lead the development of our Patient Monitoring and Connectivity (PMC) products. This hands-on role combines technical leadership with deep … expertise in software design and development. You'll collaborate across functions to architect, build, and deliver next-generation patient monitoring solutions that meet rigorous performance, usability, and cybersecurity standards. Key Responsibilities: Lead software architecture, design, and development for PMC products Define and review requirements, connectivity, and UI designs ...

Principal Software Engineer

Hiring Organisation
Reed
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum, Inc benefits
About the Role We’re looking for a Principal Software Engineer to lead the migration and modernisation of a complex legacy application into a modern, scalable architecture. This is a hands-on technical leadership role where you’ll shape the design, guide the team, and ensure successful ...

Principal Software Engineer

Hiring Organisation
Verifone
Location
City of London, London, United Kingdom
this passion for innovation that drives each one of our employees for personal and professional success. About The Role We are seeking a Principal Software Engineer based in London to provide technical leadership across backend services supporting our global payment gateway system. You will design and evolve … Mockito Ownership of quality standards, testability, and CI discipline Experience working in Agile/Scrum environments and influencing engineering best practices Experience Level Principal‐level backend engineering experience building and operating large‐scale, high‐performance systems Approximately 8+ years of backend development experience, with several years working on production ...

Principal Embedded Software Engineer

Hiring Organisation
Oakmont Consulting
Location
City of London, London, United Kingdom
Principal Embedded Engineer About the Role An exciting start-up disrupting the consumer hardware industry is building a new category of AI-native devices. Firmware sits at the core of their products, and they are looking for a Principal Embedded Engineer to help build the embedded … Scale & Longevity - Implement OTA update systems, rollback strategies, version control and diagnostics to support large fleets of devices in the field. Bridge Hardware & Software - Collaborate closely with hardware engineers, designers and backend teams to ensure firmware supports the intended product experience. Set the Embedded Standard - Define firmware architecture, tooling ...

Principal Embedded Software Engineer IoT & Full-Stack

Hiring Organisation
Gerrell & Hard
Location
Bicester, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Principal Embedded Software Engineer IoT & Full-Stack Location: Hybrid/Bicester Type: Permanent Salary: Competitive, market-based TUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp a high-power EV charging solution designed for grid-constrained sites. By integrating battery storage, smart ...

Principal Software Engineer

Hiring Organisation
SEEKR
Location
City of London, London, United Kingdom
Front End-leaning Principal engineer who wants to combine your experience in web and AI to help unlock other engineering teams, this might be the role for you. This role will also be an opportunity to apply AI to real-world problems inside a healthy, profitable, and rapidly … time. You will help them stay ahead of the curve by solving both technical and sociotechnical problems. You would be joining a squad of Principal engineers with different expertise that serves as a centre of excellence to the 16+ engineering teams in the wider engineering function. Your domain? Everything ...

Principal Software Engineer

Hiring Organisation
Morson Edge
Location
United Kingdom
Employment Type
Contract, Work From Home
Principal Architect – Data Platforms/Data Lakes/Cloud/Python – 12 Month Contract – £700 p/d Inside IR35 – London A global digital media organisation are looking for a Principal Architect to join their Data Foundation & Product Analytics team on an initial 12-month contract. This role ...

Principal/Lead Software Engineer

Hiring Organisation
Reed Technology
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
looking for a Principal/Lead Software Engineer to lead the migration and modernisation of a complex legacy application into a modern, scalable architecture. This is a hands-on technical leadership role where you'll shape the design, guide the team, and ensure successful delivery ...

Principal Software Engineer

Hiring Organisation
Insignis Talent
Location
Fareham, England, United Kingdom
Role overview: To lead the software development of a high-level autonomy capability to be deployed to all autonomous vehicles. This is a diverse R&D-led role covering vessel guidance, mission frameworks and behaviours, obstacle avoidance, and other high-level capabilities including modern AI techniques. Most development will … engineers, to integrate autonomy solutions. • Develop and maintain high-quality, well-documented code using C++ and Python. • Conduct rigorous testing and validation of autonomy software in both simulated and real-world environments. • Provide technical leadership, mentoring, and guidance to junior engineers and researchers. • Balance R&D experimentation with production ...

Principal Software Engineer

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
processes and procedures and to modernise systems and practices so that they can deliver quality at pace. Currently the team are transitioning from traditional software application development using C#, Blazer and SQL Server integrating with Dynamics Business Central, and the Data team provide analytics and insights using SAS, MicroStrategy … move to Fabric, Databricks or Snowflake. With a Data Architect now in place, the focus is to recruit a Technical Lead to lead the software engineering function. This role will formerly move towards a Head of Engineering & Platform position but will remain hands on. This is leading by doing ...

Principal Software Engineer

Hiring Organisation
Aurum Solutions
Location
Greater Reading Area, United Kingdom
processes for the Windows platform. Contribute to the continuous improvement of development processes and engineering culture. 🧠 What we’re looking for Extensive experience in software engineering, ideally working on large, long-lived enterprise applications. Strong expertise in C++, C#, and SQL. Proven ability to maintain and improve complex desktop … Option Scheme . Health insurance and Coverflex card . A modern office in Braga with a collaborative engineering culture. The opportunity to work on software used by leading global financial organisations. Work alongside passionate engineers solving complex technical problems. Continuous learning and career development opportunities within a growing FinTech. ...

Principal Software Engineer

Hiring Organisation
Spacelabs Healthcare
Location
Edinburgh, Midlothian, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
At Spacelabs Healthcare, our mission is to drive continuous innovation in healthcare technology to improve both clinical and economic outcomes. Our scalable solutions deliver critical patient data across local and remote systems, enabling better-informed ...

Principal Software Engineer

Hiring Organisation
ZENZO DIGITAL LTD
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
Our client is the leader in their field and with pipeline opportunities that would enable them to double their revenue by the end of 2028. To support this, they are in the early stages of ...