1 to 25 of 61 Permanent Principal Software Engineer Jobs in the UK excluding London

Job Description - Principal Software Engineer () Principal Software Engineer - Job Title: Principal Software Engineer Location: Portsmouth Broad Oak Salary: Up to £64,600 dependent on skills and experiences + bonus scheme What you'll be doing: Leading a team of software engineers implementing torpedo tactical software against an incrementally defined … algorithm specification Being responsible for maintaining a configured software design and providing periodic software release Implementation of software changes Allocation of software implementation tasks to the team and reviewing completed work. Arranging peer review of software implementations as appropriate Reviewing of software defects and allocation of resolution tasks Working initially with an existing toolset … and development approach to support on-going project delivery requirements Supporting and influencing migration and modernisation of the current software implementation approach and toolset to support longer term maintainability and spiral development Your skills and experiences: Experienced software engineer that has worked in a de-facto leadership or primary role within a software development team Ability More ❯

Principal Software Engineer/Architect (C# .Net SQL AWS) Remote to £80k Opportunity to progress your career in an impactful, Principal C# Developer/Architect role, at a tech company that provides a range of SaaS software solutions. As a Principal Software Engineer/Architect you will collaborate with Product Management and … Agile software delivery tribes to define, document and communicate the technical architecture for new products and features with scalability and reliability at the core. You'll liaise with senior stakeholders to agree technical solutions to meet business needs and drive improvements; initially you'll assess the current architecture, identify technical debt and architecture improvements to create technical strategy and … hybrid work from home policy, you'll need to meet up with the team for constructive meetings twice a quarter in the Nottingham office. About you: You have strong software development skills with C# .Net, SQL Server and AWS You have experience with solution and technical design of multi-tier, distributed scalable .Net solutions You have a strong knowledge More ❯

Principal Software Engineer page is loaded Principal Software Engineer Apply locations Maidenhead (GBR) Gloucester, Gloucestershire, England, UK time type Full time posted on Posted Today job requisition id REQ-10596 Company: Ultra Intelligence & Communications Cyber (UK) Business Provide Decision Advantage to Mission Partners Around the World Join us in our mission to provide the … the highest security and trust worldwide. Job Description The Ultra Engineering function manages a portfolio of specialist capabilities, generating highly differentiated solutions and products by applying electronic, mechanical, and software technologies in demanding and critical environments to meet customer needs. The Software Engineering function in Ultra supports the software development lifecycle consisting of requirements analysis, design, implementation … test and verification in order to deliver software components into projects and products and supports the deployment and maintenance of software components. A professional at this grade applies technical/professional knowledge, making independent judgements based on practice and significant previous experience to support decision making. Often seen as a referral point or more senior team member to More ❯

PRINCIPAL SOFTWARE ENGINEER CITY OF LONDON - 4/5 DAYS IN OFFICE £100,000 - £120,000 Our client, a leading investment management firm specialising in sports trading, is looking for a talented individual to join their expanding technical team. This is a unique opportunity to apply your expertise to real-world sporting events and contribute to a … and a genuine commitment to work-life balance and flexibility. Their high team retention speaks volumes about the supportive and engaging environment they've cultivated. THE ROLE: As a Principal Software Engineer, you'll be instrumental in developing sophisticated predictive models that forecast the outcomes of sporting events. You'll be working with strong quants coming from … ll be joining a collaborative environment where you have the opportunity to work cross-functionally and significantly impact the company's core operations. YOUR SKILLS AND EXPERIENCE: The ideal Principal Software Engineer will have: Strong mathematical and statistical expertise, ideally from a quantitative background. Proficiency in C# and the .NET platform. Experience with JavaScript front-end frameworks More ❯

Principal Software Engineer (Rates & FX) page is loaded Principal Software Engineer (Rates & FX) Apply locations Belfast time type Full time posted on Posted 4 Days Ago job requisition id R3782 Role Overview As a Principal Software Engineer at TP ICAP you will be part of a talented team delivering business critical … software for the internal broking division and their external customer base. You will work within an Agile environment, from design through to implementation, with a strong focus on continuous improvement whilst working collaboratively as part of self-organising, cross-functional team with a focus on continuous integration and deployment. Role Responsibilities Lead and manage a cross-functional team of … engineers working on innovative Front Office solutions for our Rates & FX business lines Work closely with principal engineers in other regions to set and implement standards for engineering excellence Work closely with Solution Architects and Enterprise Architecture to build solutions that align to the IT strategy/vision Take ownership of, and be accountable for, the delivery and quality More ❯

Principal Software Engineer (£100k + benefits) Great opportunity for a Principal Software Engineer with experience of .NET and AWS to join a fast-growing FinTech company in Manchester that have an award-winning culture built on collaboration. You'd join a large engineering department and would work with cross functional teams responsible for building … high-performance, cloud-native systems in a DevOps environment. As a Principal Software Engineer, you'll lead by example, writing production-grade code while shaping architecture, mentoring engineers, and driving technical excellence across teams. What You'll Be Doing: Designing and building scalable, distributed systems (60% hands-on coding) Leading technical strategy across multiple product teams Coaching … and mentoring Staff & Senior Software Engineers Owning non-functional requirements: scalability, security, performance Driving DevOps, CI/CD, and containerisation best practices Exploring and implementing AI-powered dev tools What We're Looking For: Strong hands-on skills in C#, .NET 9, Angular, NextJS and AWS Deep understanding of CI/CD, automation and modern DevOps practices Experience with More ❯

Principal Software Engineer London - Hybrid (2 days per week in the office) Up to £115,000 + 15% Bonus + Benefits Method Resourcing is thrilled to be partnering with a global leader in the travel services and benefits sector. They're looking for a Principal Software Engineer to drive innovation and drive forward greenfield … functionality as the company dives into AI. The role: As a Principal Engineer, you will take charge of a newly launched greenfield project, leading its technical development from the ground up. This is a rare opportunity to create a modern, scalable system using the latest technology. Your role will involve defining the architecture, making crucial technical decisions, and More ❯

Principal Software Engineer Location: Scotland Division: Spacelabs R&D Sector: Patient Monitoring & Connectivity Systems Spacelabs is seeking a hands-on Principal Software Engineer to lead the development of advanced software for our next-generation patient monitoring systems. This role combines technical leadership with product development, focusing on performance, cybersecurity, and system integration in … a regulated environment. What Youll Do Define and lead the development of software architecture and key components Translate system requirements into scalable, secure software designs Collaborate cross-functionally across software, hardware, systems, and UI teams Build and release software that supports data communication, storage, and analysis in clinical settings Mentor engineers and promote a high standard … of technical quality and teamwork Ensure delivery of software and documentation on time in an Agile workflow What You Bring Bachelors degree in Computer Science, Engineering, or a related field 12+ years of software development experience 8+ years of advanced C++ (11 or newer), including OOP and multithreading Proven experience with desktop Linux application development in embedded environments More ❯

Principal Software Engineer (£90k + 10% bonus) Great opportunity for a Principal Software Engineer to work for a retail company near Manchester at the beginning of a digital transformation. You'd report to the Head of Engineering and would work as part of a team of Principal Software Engineers responsible for collaborating More ❯

Social network you want to login/join with: Principal Software Engineer - Manchester, Manchester col-narrow-left Client: Accenture Location: Manchester, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 12f57f107922 Job Views: 4 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: Principal Software Engineer - Manchester Role … Principal Consultant - Software Engineering Locations: Manchester (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Salary:petitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history at … doing so. The nature of our work varies from client to client so there will be lots of opportunities to experience new domains and new stacks. The role of Principal Consultant often involves leading client accounts holistically-people, delivery, quality, andmercials. As well as ensuring we're delivering great engineering, you'll also keep the big picture in mind More ❯

Our Principal Software Engineers are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision of lasting and effective change in a public sector … environment. We expect our Principal Software Engineers to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Software Engineering aspects of our client engagements while overseeing the wider delivery within the account (or industry) when appropriate. In addition, our Principal Software Engineers are responsible for … lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing of best practice across our engagements and industries. Our Principal Software Engineers are members of the Software Engineering Practice leadership team with the responsibility to develop the capability of the practice to meet business needs and to More ❯

Our Principal Software Engineers are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision of lasting and effective change in a public sector … environment. We expect our Principal Software Engineers to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Software Engineering aspects of our client engagements while overseeing the wider delivery within the account (or industry) when appropriate. In addition, our Principal Software Engineers are responsible for … lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing of best practice across our engagements and industries. Our Principal Software Engineers are members of the Software Engineering Practice leadership team with the responsibility to develop the capability of the practice to meet business needs and to More ❯

Principal Software Engineer (Corp Functions) page is loaded Principal Software Engineer (Corp Functions) Apply locations Belfast time type Full time posted on Posted Yesterday job requisition id R4066 Role Responsibilities Mentor other engineers in the team, whilst ensuring alignment with project goals and timelines across the team. Design, develop, and maintain software, ensuring … through automated testing, particularly unit testing, and maintain a strong emphasis on code quality and complexity. Oversee the implementation and management of CI/CD pipelines to streamline the software development lifecycle. Monitor system performance, identify issues, and implement solutions to ensure high availability and performance. Ensure security best practices are followed and implement necessary measures to protect cloud … ceremonies and contribute to an agile mindset within the team. Maintain detailed documentation of code, processes, and system configurations. Experience/Competences Essential Proven experience as a Senior .Net Engineer, preferably in the finance sector. Strong understanding of AWS services and hands-on experience with Infrastructure as Code (IaC), particularly using AWS CDK in Python. Experience with Entity Framework More ❯

with our customers. We are not only passionate about achieving the right outcome and making quality decisions but are dedicated to our collaborative culture. About the role. As a Principal Software Engineer, you will be responsible for designing, building and running front-end and/or back-end software solutions in an agile delivery squad. This … hands-on, you'll be actively involved in designing, implementing and running the products and services that your squad are responsible for. You'll help shape best practices in software engineering, then both work to and coach other Squad members into driving and ensuring high quality solutions. Our Principal Software Engineers will work as Tech Leads within … autonomous product teams delivering products that are part of the rebuild and in squads aligned to our other key business goals. Our Principal Software Engineers will take responsibility for the technical delivery of great software and they will lead the technical direction for the team. The ability to coach and mentor team members is essential to this More ❯

Staff/Principal Software Engineer Hybrid - Cambridge HQ UK Remote-Friendly Circa £110k+ A leading provider of global payment and data solutions is looking for a Staff or Principal Software Engineer to join their high-performing engineering team. This is a unique opportunity to take a senior role in shaping the architecture and technical More ❯

Principal Software Engineer Location: Manchester (Central) or Leeds (South) (Hybrid Up to 2 days in office) Salary: Up to £95,000 base + Car Allowance + Exceptional Bonus Scheme - Up to 30% Architect the Future of Cloud-Native SaaS at Enterprise Scale We are exclusively partnered with our client , a world-class, global SaaS enterprise, undergoing one … of the most ambitious digital transformations in the industry. As part of their UK & European technology organisation, Were looking for a Principal Software Engineer whos ready to take the next step into architecture. This is a rare opportunity to slowly transition into a Solution Architect role and play a key part in shaping next-generation platforms that … orchestration Microservices, RESTful APIs Event-driven architectures SQL and NoSQL technologies CI/CD, Infrastructure as Code Scalable, cloud-native, distributed systems What Were Looking For A background in software engineering with a deep understanding of scalable system architecture. Hands-on experience designing and delivering cloud-native platforms in complex, fast-moving environments. Strong knowledge of modern development practices More ❯

Principal Embedded Software Engineer £70-90k Reading Remote, with occasional visits My client is an elite company providing media content solutions. Due to sustained success, they are expanding their R&D team. They're seeking a Principal Software Engineer with a strong background in embedded systems and a passion for solving complex technical … challenges in a high-performance environment. Key Responsibilities: Lead software architecture across the full stack, from UI and services to kernel-level development. Collaborate with hardware and FPGA teams to deliver tightly integrated, high-speed embedded systems. Mentor engineers, drive best practices, and contribute to recruitment and technical leadership. Essential Experience: 10+ years in C++ software development in … a Linux environment Experience building complex software for custom hardware, including device interfacing. Strong foundation in data structures, algorithms, and object-oriented design. Desirable Skills: Exposure to Qt, Yocto, Linux kernel, or device driver development. Knowledge of high-speed data, graphics processing, or networking (TCP/IP, multicast). Familiarity with Python, GitLab, or AWS What you'll get More ❯

Principal Embedded Software Engineer | £70-90k | Reading | Remote, with occasional visits My client is an elite company providing media content solutions. Due to sustained success, they are expanding their R&D team. They're seeking a Principal Software Engineer with a strong background in embedded systems and a passion for solving complex technical … challenges in a high-performance environment. Key Responsibilities: Lead software architecture across the full stack, from UI and services to kernel-level development. Collaborate with hardware and FPGA teams to deliver tightly integrated, high-speed embedded systems. Mentor engineers, drive best practices, and contribute to recruitment and technical leadership. Essential Experience: 10+ years in C++ software development in … a Linux environment Experience building complex software for custom hardware, including device interfacing. Strong foundation in data structures, algorithms, and object-oriented design. Desirable Skills: Exposure to Qt, Yocto, Linux kernel, or device driver development. Knowledge of high-speed data, graphics processing, or networking (TCP/IP, multicast). Familiarity with Python, GitLab, or AWS What you'll get More ❯

Great opportunity for a Principal Software Engineer with experience of .NET and AWS to join a fast-growing FinTech company in Manchester that have an award-winning culture built on collaboration. You’d join a large engineering department and would work with cross functional teams responsible for building high-performance, cloud-native systems in a DevOps environment. … As a Principal Software Engineer, you’ll lead by example, writing production-grade code while shaping architecture, mentoring engineers, and driving technical excellence across teams. What You’ll Be Doing: Designing and building scalable, distributed systems (60% hands-on coding) Leading technical strategy across multiple product teams Coaching and mentoring Staff & Senior Software Engineers Owning non More ❯

Great opportunity for a Principal Software Engineer with experience of .NET and AWS to join a fast-growing FinTech company in Manchester that have an award-winning culture built on collaboration. You'd join a large engineering department and would work with cross functional teams responsible for building high-performance, cloud-native systems in a DevOps environment. … As a Principal Software Engineer, you'll lead by example, writing production-grade code while shaping architecture, mentoring engineers, and driving technical excellence across teams. What You'll Be Doing: Designing and building scalable, distributed systems (60% hands-on coding) Leading technical strategy across multiple product teams Coaching and mentoring Staff & Senior Software Engineers Owning non More ❯

We are a technology-driven company building high-performing, scalable, and resilient software solutions. Our teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We’re looking for a hands-on Principal Engineer who can code, design scalable systems, manage Staff Engineers, and drive technical excellence across multiple teams. … This role is perfect for a technical leader who still enjoys writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at-least 60% hands-on) Managing and mentoring Staff Engineers & Senior Developers Driving best … practices in software development and AI-powered engineering Owning non-functional requirements (NFRs) such as security, scalability, and reliability Optimising cloud infrastructure and CI/CD pipelines If you thrive on solving complex technical challenges, leading by example, and empowering teams, this is the role for you! Key responsibilities Hands-on coding (at least 60% of the time), working More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯