51 to 75 of 95 Permanent Principal Software Engineer Jobs

Posted:2026-09-18 Country:United Kingdom Location:Gloucester, South Gloucestershire Position Role Type:OnsiteRaytheon UK have a full time, perm opportunity for a Principal Software Engineer to join our specialist teams working onsite at our Manchester and Gloucester sites.You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of programmes. In this area of the business we prove DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors. Collaborating with ...

Posted:2026-09-18 Country:United Kingdom Location:Gloucester, South Gloucestershire Position Role Type:OnsiteRaytheon UK have a full time, perm opportunity for a Principal Software Engineer to join our specialist teams working onsite at our Manchester and Gloucester sites.You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of programmes. In this area of the business we prove DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors. Collaborating with ...

Description Join AALTO in Farnborough as Principal Software Engineer, developing safety-critical embedded software that powers Zephyr and unlocks the potential of Stratospace. AALTO, a global leader in Stratospace. Based in Farnborough, AALTO is an Airbus subsidiary that manufactures, operates, and delivers services with its solar ...

4840249Job ID: 5421799Posted: 2026-10-23Closing date: 2027-01-21Location: LeedsSalary: Per AnnumJob type: PermanentWorking pattern: Full timeIndustry: Technology & Internet Services/Software DevelopmentCompany: HaysConsultant: Ian SimmonsHays office: Leeds — Part 6th Floor, Broad Gate, The HeadrowPhone: 0333 010 3828Email: ian.simmons@hays.comPRINCIPAL SOFTWARE ENGINEERFULLY REMOTEPERMANENT ROLE SALARY … CIRCA 100K + BENEFITSYour new roleWe're looking for a Principal Software Engineer to join a high-growth technology business building an AI-powered digital platform operating at significant scale. This is a senior hands-on role combining software engineering, architecture and DevOps. ...

Software Engineer (Principal & Senior) - Active SC, DV Clearable Location : Remote whilst SC, Cheltenham 4 days on-site once DV Salary : Lead, £90,000 - £100,000/Principal, £110,000 - £130,000 Clearance: Must have a minimum of active SC with ability to go through DV click ...

that makes you unique is welcome; join us and let’s build what’s next - together!We are seeking a versatile and highly skilled Principal Software Engineer who can work seamlessly across our frontend and backend services—from designing highly performant, intuitive modern user interfaces to building … architecture, design, and deployment of scalable Generative AI solutions, ensuring seamless integration into our core planning workflows.This is a unique role requiring deep software engineering expertise across both frontend and backend development, combined with hands-on experience building production-ready GenAI features. You will bridge the gap between backend ...

About The RoleA Principal Engineer is the most senior technical role in Manifesto's engineering team. You provide technical leadership where it matters most: shaping a new client opportunity, designing complex architecture, or resolving a critical live issue. You work across our client estate rather than being embedded … appropriate to the client's budget, team and long-term maintenance capability, not to the most interesting technical solution available. You uphold a clear software design philosophy and ensure teams deliver maintainable solutions. You have a clear understanding of simplicity. You define solutions that are simple by design ...

About The RoleA Principal Engineer is the most senior technical role in Manifesto’s engineering team. You provide technical leadership where it matters most: shaping a new client opportunity, designing complex architecture, or resolving a critical live issue.You work across our client estate rather than being embedded … appropriate to the client's budget, team and long-term maintenance capability, not to the most interesting technical solution available.You uphold a clear software design philosophy and ensure teams deliver maintainable solutions.You have a clear understanding of simplicity. You define solutions that are simple by design and challenge requirements ...

client is a major defence and aerospace company. Date Posted: 2026-10-15 Country: United Kingdom Location: Manchester, Lancashire Position Role Type: Unspecified Principal Software Engineer Location: Manchester Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require … teams work synchronously with our customers to solve some of the toughest digital challenges faced in the world today. Role & Responsibilities Design and build software using industry best practice Collaborate with stakeholders and other engineers Contribute to the completion of milestones associated with your project Contribute to continuous improvement ...

skills needed for this roleStrategic Enterprise Technology LeadershipRecognised Java Engineering ExpertiseAdvanced Architecture & Systems Integration CapabilityWhat this role is all aboutWe're looking for a Principal Software Engineer to join Vitality's Engineering function, providing technical leadership across complex enterprise platforms and customer-facing solutions. This … highly influential role responsible for shaping engineering standards, driving architectural decisions, leading large-scale technical initiatives and ensuring the successful delivery of integrated software solutions that support critical business outcomes. The role operates across multiple teams and works closely with senior stakeholders, architects and third-party partners to deliver ...

skills needed for this roleStrategic Enterprise Technology LeadershipRecognised Java Engineering ExpertiseAdvanced Architecture & Systems Integration CapabilityWhat this role is all aboutWe're looking for a Principal Software Engineer to join Vitality's Engineering function, providing technical leadership across complex enterprise platforms and customer-facing solutions. This … highly influential role responsible for shaping engineering standards, driving architectural decisions, leading large-scale technical initiatives and ensuring the successful delivery of integrated software solutions that support critical business outcomes. The role operates across multiple teams and works closely with senior stakeholders, architects and third-party partners to deliver ...

skills needed for this roleStrategic Enterprise Technology LeadershipRecognised Java Engineering ExpertiseAdvanced Architecture & Systems Integration CapabilityWhat this role is all aboutWe're looking for a Principal Software Engineer to join Vitality's Engineering function, providing technical leadership across complex enterprise platforms and customer-facing solutions. This … highly influential role responsible for shaping engineering standards, driving architectural decisions, leading large-scale technical initiatives and ensuring the successful delivery of integrated software solutions that support critical business outcomes. The role operates across multiple teams and works closely with senior stakeholders, architects and third-party partners to deliver ...

Strategic Enterprise Technology Leadership Recognised Java Engineering Expertise Advanced Architecture & Systems Integration Capability What this role is all about We're looking for a Principal Software Engineer to join our client's Engineering function, providing technical leadership across complex enterprise platforms and customer-facing solutions. This … highly influential role responsible for shaping engineering standards, driving architectural decisions, leading large-scale technical initiatives and ensuring the successful delivery of integrated software solutions that support critical business outcomes. The role operates across multiple teams and works closely with senior stakeholders, architects and third-party partners to deliver ...

ABOUT THE ROLE We're 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 ...

client is a digital bank that is looking for a Principal Software Engineer to get involved in the very early stages of a greenfield project that will involve building a large-scale customer facing product. If you join, you'll define the engineering architecture and capabilities that ...

client is a major defence and aerospace company. Date Posted: 2026-10-15 Country: United Kingdom Location: Manchester, Lancashire Position Role Type: Unspecified Principal Software Engineer Location: Manchester Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require ...

allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Software organization develops software applications, including integration and test on missiles, launchers, radars, naval systems, fire control and other complex systems. Our precision software and firmware integrate operating systems, device drivers, networking, and control software to bring together sensor, guidance, and flight control processing features to complete the mission. The Software org is made up of several Centers located across the country, responsible for all aspects of the software development ...

Lead/Principle Software Engineer Clearance Required: Active SC Clearance (Mandatory) The Opportunity We're looking for an experienced Software Engineer to join a high-performing team delivering secure, mission-critical solutions for Defence, National Security, and Government customers. This role offers the opportunity to design … build scalable, resilient, and high-performing systems across both public and private cloud infrastructure. You'll play a key role in the full software development lifecycle, from solution design through to deployment and operational support, while collaborating with multidisciplinary teams to deliver innovative solutions that make a real-world ...

DescriptionRole: Principal Software EngineerLocations: Leeds (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: ManagerSalary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which … communities in which we work and live. It is personal to all of us." – Julie Sweet, Accenture CEO Job QualificationsAs a team: Accenture Software & Platform Engineering is over 1,000 people strong and provides end-to-end product engineering solutions which deliver tangible value, fast. We bring together ...

that powers virtually every OCI service. IOD provides fully managed database services for mission-critical OCI workloads, and dedicated cloud environments.We are seeking a Software Development Engineer with strong DBA and database systems experience to help design, build, and operate highly scalable, reliable, and automated database services. … foundational services.This role is ideal for engineers who enjoy solving complex challenges at massive scale and have a passion for database architecture, automation, software development engineering, and cloud infrastructure.As a Principal Engineer within IOD, you will focus on transforming operational knowledge into software, building automation ...

powers virtually every OCI service. IOD provides fully managed database services for mission-critical OCI workloads, and dedicated cloud environments. We are seeking a Software Development Engineer with strong DBA and database systems experience to help design, build, and operate highly scalable, reliable, and automated database services. … foundational services. This role is ideal for engineers who enjoy solving complex challenges at massive scale and have a passion for database architecture, automation, software development engineering, and cloud infrastructure. As a Principal Engineer within IOD, you will focus on transforming operational knowledge into software, building ...

Lead/Principle Software Engineer Clearance Required: Active SC Clearance (Mandatory) The Opportunity We're looking for an experienced Software Engineer to join a high-performing team delivering secure, mission-critical solutions for Defence, National Security, and Government customers click apply for full job details ...

vibrant place to work. We might not be for everyone, but we could be perfect for you. About the roleWe're looking for Principal Software Engineers to help us build a technology platform for more than just the needs of Autotrader.co.uk.Utilising our public-facing web services and additional … automotive industry.Spring Boot, Apache Solr, Cloud SQL and Apache Kafka power our platform and process millions of events per day. As a team, our software developers are responsible for ensuring service availability and responsiveness continue to improve. They work on systems that handle thousands of requests per second, with ...

networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.Title and SummaryPrincipal Software EngineerJoin Mastercard’s Operations Automation Program as a Principal Engineer for our DevOps team that powers infrastructure automation across on-prem data centers … Partner with stakeholders to align DevOps initiatives with business objectives, including uptime, deployment velocity, and cost efficiency.All About You• 10+ years of experience in Software Engineering and DevOps roles, including at least 2 years in a technical leadership capacity.• Strong Linux systems administration background• Deep familiarity with cloud environments ...

Description Lead/Principle Software Engineer \n Clearance Required: Active SC Clearance (Mandatory) \n The Opportunity \n We're looking for an experienced Software Engineer to join a high-performing team delivering secure, mission-critical solutions for Defence, National Security, and Government customers. \n This role ...