201 to 225 of 288 Principal Software Engineer Jobs

KIRA builds technology products used by millions in Southeast Asia. As our products scale, we seek a Principal Software Engineer to own technical direction and drive major systems from design to production. This hybrid role in the United Kingdom requires strong English communication, hands-on coding ...

directly with Raytheon UK to hire for this role. Date Posted: 2026-08-13 Country: United Kingdom Location: Manchester, Lancashire Position Role Type: Onsite Principal Software Engineer Location: Manchester Permanent Onsite/Hybrid (min 3 days a week on site) Due to the interesting work ...

with Raytheon UK to hire for this role. Date Posted: 2026-08-11 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Principal Software Engineer Gloucester/Manchester Onsite Due to the interesting work we do and the sector this team is working ...

generation physiological monitoring solutions, the business is transitioning from advanced product development towards regulatory approval and commercial launch. We are looking for an experienced Principal Software Engineer to provide technical leadership click apply for full job details ...

AALTO in Farnborough is seeking a Principal Software Engineer to lead embedded software across the full lifecycle in a safety-critical domain. You’ll design, implement, verify and maintain avionics software in C, with C++ and Python as supporting tools, working close to product teams ...

Salary: Up to £140,000 + Bonus & Benefits Harrington Starr is partnering with a leading financial technology firm to hire a Principal C# Software Engineer based in London. This is a senior technical leadership role focused on real-time trading technology, platform modernisation and re-architecture , combining … deliver practical technical solutions Mentor engineers and champion engineering standards, best practices and continuous improvement What We're Looking For: Strong C#/.NET software engineering experience Strong understanding of real-time and low-latency architecture Experience leading modernisation, migration or re-architecture programmes Experience with cloud-native architectures ...

Principal Software Developer in Test (SDET)Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: PermanentDrive test automation innovation and engineering excellence in financial technologyThe RoleAs a Principal Software Developer in Test (SDET) at Capco, you'll lead the strategy, architecture, and implementation of robust test automation … enabled ways of working, encouraging the responsible use of approved AI and automation tools to improve engineering productivity, accelerate test delivery, and enhance software quality while ensuring appropriate governance, human oversight, and responsible AI practices.What You'll DoArchitect reusable, scalable test automation strategies and frameworks across web, mobile ...

This posting is for an Application Software Engineer reporting directly to the Sr. Director of the Propulsion Control System within Engine and Power Systems Strategic Business Unit (SBU). You will work closely with product teams, Chief Technology Officer staff, and senior business leadership to guide the development … cutting-edge software technologies, products, and solutions across all of Honeywell Aerospace Engine and Power Systems SBU. In this role, you will be recognized as a leading technical authority on application software development for engine controls, focusing primarily on DO178C design assurance level A standards for embedded software. ...

Moog Aircraft Group is seeking a Senior Principal Software Engineer to lead the development of software for advanced flight control and actuation systems. You will influence architecture decisions, mentor teams, and ensure software meets the highest standards of reliability and certification. The role requires deep … expertise in safety-critical software, real-time embedded systems, and aerospace compliance. Hybrid work model in Tewkesbury, GBR with strong collaboration across hardware and systems #J-18808-Ljbffr ...

Contract Software Engineer (C# .NET) Location: Luton (Hybrid: 4 days on-site, 1 day remote) Contract: 12 months IR35: Inside IR35 Security Clearence: Full UK SC required Rate: £77/hr About the Role We need experienced C# .net developers who can work with the minimum of supervision … development environment. What You’ll Do Develop robust applications using C# .NET within a Windows environment. Take ownership of complex tasks across the full software lifecycle—from requirements to integration, testing and delivery. Apply object-oriented design principles and verification/validation techniques. Collaborate with a skilled team while ...

Selection (Holdings) Limited in Cambridge seeks a Principal Software Engineer to guide and contribute to cloud software development using C# and .NET. The role emphasises architecture, security, and scalable platform design, with hybrid working and a top benefits package. You will lead architectural decisions, work across ...

Role We’re looking for experienced Principal Software Engineers who enjoy solving complex technical challenges, building scalable systems, and helping engineering teams deliver high-quality software in production environments. This role sits at the intersection of software engineering, architecture, and cloud/platform engineering. … designing, building, and guiding the delivery of modern software solutions using technologies such as Java, Python, C#/.NET and TypeScript , while working closely with engineering teams to ensure solutions are scalable, secure, and maintainable. It’s a strong fit for someone who enjoys taking ownership of technical direction ...

AVEVA is creating software trusted by over 90% of leading industrial companies.Job Title: Principal Software EngineerLocation: Cambridge, United Kingdom – Hybrid Employment Type: Full Time The Job As part of the E3D development group, you’ll be responsible for maintaining and enhancing applications that support both desktop … communal best practices.Demonstrate sound decision making on individual and team workloads to ensure it is delivered in a timely manner.Essential RequirementsExperience developing professional software applications using C++ and/or C#.Awareness of industrial engineering and/or factory plant design.Comfortable with source control systems (GIT) and automated build pipelines ...

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 ...

This is an excellent opportunity to gain more experience as a principal engineer or step up into the role for the first time. This design group are well known for not only developing innovative HealthTech devices but working from initial concept through to production. With plenty of domain … they need is a technical leader who can see the full picture. You don't need to have HealthTech experience to apply. As a principal engineer, you will play a pivotal role in developing cutting-edge products, ensuring that they meet business and regulatory requirements while delivering innovative ...

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 ...

Lead a team of talented engineers to build the technology of tomorrow This is an excellent opportunity to gain more experience as a principal engineer or step up into the role for the first time. This design group are well known for not only developing innovative HealthTech devices … what they need is a technical leader who can see the full picture. You dont need to have HealthTech experience to apply. As a principal engineer, you will play a pivotal role in developing cutting-edge products, ensuring that they meet business and regulatory requirements while delivering innovative ...

Role: Principal Software EngineerLocations: Manchester (must be willing to travel to client sites throughout the UK on an ad hoc basis)Level: Manager Salary: Competitive salary and package (Depending on level of experience)Accenture is a leading global professional services company, providing a broad range of services … with the communities in which we work and live. It is personal to all of us.” – Julie Sweet, Accenture CEO As 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 ...

Principal Engineer is the most senior individual contributor in engineering, setting technical direction, leading architectural decisions and aligning technology investment with business strategy. They combine deep technical expertise with mentorship and broad organisational influence to enable secure, resilient and maintainable solutions.Aligned to the People & Labour sub-domains, this … effectively.• Drive operational excellence through improved observability, resilience, incident management, CI/CD, developer experience and the adoption of AI across the product and software development lifecycle.Who you areYour skills and experience will include:• Extensive experience in system design, architecture and technical leadership across complex, business-critical domains.• Proven ...

Principal Engineer is the most senior individual contributor in engineering, setting technical direction, leading architectural decisions and aligning technology investment with business strategy. They combine deep technical expertise with mentorship and broad organisational influence to enable secure, resilient and maintainable solutions.Aligned to the People & Labour sub-domains, this … effectively.• Drive operational excellence through improved observability, resilience, incident management, CI/CD, developer experience and the adoption of AI across the product and software development lifecycle.Who you areYour skills and experience will include:• Extensive experience in system design, architecture and technical leadership across complex, business-critical domains.• Proven ...

Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Raytheon UK have a full time, perm opportunity for a Principal Software Engineerto join our specialist teams working onsite at our Manchester and Gloucester sites. You'llbe part of our experienced software dev function, working … cross-functional team,deliveringand 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 customers and suppliers to deliver secure, mission ...

game-changing career, working for one of the world's leading financial institutions, you've come to the right place. As a Principal Software Engineer at JPMorgan Chase within the Corporate Sector, you provide expertise and engineering excellence as an integral part of an agile data engineering … best-in-class outcomes across various technologies to support one or more of the firm's portfolios. This role is suited to a senior engineer who has hands-on skills to lead across multiple teams defining architecture, engineering practices and standards, and delivering high-impact software that scales. ...

Summary: JOB DESCRIPTION – Principal Engineer Location: Remote, United Kingdom Division: Ticketmaster Contract Terms: Permanent THE TEAM The TM1 Maps team builds and operates the B2B application used to create and manage maps for the Ticketmaster website. The platform supports the full map request workflow, from submission through review … teams. The team owns the full lifecycle of its services, including architecture, delivery, testing, reliability, and production support. THE JOB In the role of Principal Engineer, you will be responsible for shaping the architecture, quality, reliability, and modernization of the Maps platform. You will design and deliver scalable ...

Dyson seeks an Associate Principal Embedded Software Engineer for the Power Electronics discipline in Malmesbury, Wiltshire. The role focuses on leading efficient embedded software for power electronic systems, such as motor drives and battery management, taking ideas to prototype demonstrations. You will mentor engineers, drive technical … delivery, and collaborate with cross-functional teams to deliver robust software while engaging with external partners and suppliers. #J-18808-Ljbffr ...

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 ...