201 to 225 of 243 Principal Software Engineer Jobs

Principal Software Engineer - (.Net, PHP, Umbraco, Drupal)

Hiring Organisation
TPXImpact Holdings Plc
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
Principal Engineer is the most senior technical role in manifestos engineering team , providing leadership when it matters most: whether shaping a new client opportunity, designing complex architecture or resolving a critical live issue. You will work across our client estate rather than being embedded in a single project ...

Principal Software Engineer — Lead Tech, Scale & Impact

Location
Liverpool, England, United Kingdom
Very Group is seeking a Principal Engineer to lead technical direction across multiple squads and collaborate with Product Managers, architects and engineers to shape both what we build and how we build it. You will design and evolve cloud-native, scalable Java applications on AWS, mentor engineers, raise ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
unit consists of a dedicated team that executes complex, multi-leg synthetic strategies on behalf of institutional clients.Role OverviewICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high-visibility … systems, with demonstrated technical leadership through multi-year delivery.Demonstrated success leading engineering teams through complex, multi-year transformation programmes.Hands-on experience across the full software development lifecycle.Practical experience using AI tools across the development lifecycle, including the review discipline for AI-generated code.Excellent written and verbal communication; effective ...

Principal Software Engineer - C#

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
unit consists of a dedicated team that executes complex, multi-leg synthetic strategies on behalf of institutional clients. Role OverviewICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high … demonstrated technical leadership through multi-year delivery. Demonstrated success leading engineering teams through complex, multi-year transformation programmes. Hands-on experience across the full software development lifecycle. Practical experience using AI tools across the development lifecycle, including the review discipline for AI-generated code. Excellent written and verbal communication ...

Hybrid Principal Software Engineer, Platform & Architecture

Location
City Of London, England, United Kingdom
ICAP Group Services Ltd seeks a Principal Engineer to own the architecture, design and hands-on delivery of a desktop platform automating trading desk workflows. A high-visibility, player-coach role may evolve to include people management. You will mentor teams, shape the technical direction of a greenfield … project, and ensure hard latency budgets and robust, secure software across Windows desktop hosting web content. London-based, hybrid/onsite work expected. #J-18808-Ljbffr ...

Principal Cybersecurity Software Engineer

Hiring Organisation
Appcast
Location
London, UK
44773Sector: Banking, Financial ServicesRegion: London, Midlands, North, South East, PolandSpecialisms: Information Security JobsClosing date: 2026-10-11A global financial services organisation seeks a Principal Cybersecurity Engineer to help build the next generation of data-driven security capabilities at exceptional scale.This is a senior (Director grade) individual contributor … position. The role requires a candidate with deep cyber expertise and elite hands-on software engineering ability, who still wants to spend around 40-50% of their time coding.You will work on complex security challenges across threat detection, anomaly identification, cyber automation and advanced analytics, turning vast volumes ...

Principle Mobile Software Engineer

Location
Greater London, England, United Kingdom
believe the best way to do your job hasn’t been invented yet, you’ll fit right in. About the Role The Principal Software Engineer, Mobile is SharkNinja's deepest technical authority on mobile engineering — the person others come to when the patterns don't exist yet. … established playbook, ensuring the platform is built for the AI-powered features SharkNinja will ship next. What You'll Bring 12+ years of progressive software engineering experience, with deep expertise in native iOS (Swift), Android (Kotlin), and React Native. A track record of solving the hardest mobile engineering problems ...

Corporate KYC Principle Software Engineer - Executive Director

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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 ...

Microsoft Power Platform Software Engineer (Junior / Mid / Senior / Principal)

Location
Greater London, England, United Kingdom
Title:Microsoft Power Platform Software Engineer (Junior/Mid/Senior/Principal)Job Location: London, UK/Hybrid (4 days office Mandatory)Job Type: PermanentExperience Levels:Junior MS Power Platform Engineer (5+ Years)Mid-Level MS Power Platform EngineerSenior/Principal MS Power Platform … Software EngineerJob Description:Hands-on Power Platform Senior Developer with strong software development fundamentals and experience building enterprise-grade applications.The role requires deep expertise in Microsoft Power Platform, customization, integrations, and ALM practices.5+ years of Experience.Key Skills & ExperienceStrong hands-on experience in software development with a solid ...

Principal Medical Software Engineer

Location
Bristol, England, United Kingdom
Europe, the USA, and Asia, alongside additional design and product development teams in New Jersey and Colorado. We are currently seeking an experienced Medical Software Engineer to join our growing team to be a part of our largest current project (on a fixed-term basis of 18-months … initially), so it is an exciting time to join us. The role will be responsible for: Leading the design, development, verification and delivery of software for regulated medical devices, including IEC 62304 Class C safety-critical software. Providing technical direction across the full software lifecycle, ensuring regulatory compliance ...

Principal Software Engineer-AI

Location
Greater London, England, United Kingdom
Skills and Competencies 12+ years of software engineering experience, including 5+ years leading engineering teams and delivering complex, large-scale, multi-team initiatives with measurable business impact Experience leading multiple teams or groups of teams, including managing engineering managers, technical leads, and staff-level engineers with accountability for delivery … scale Deep knowledge of cloud-native technologies, serverless applications, event-driven architectures, data and inference pipelines, relational, NoSQL, and vector databases, and modern software architecture patterns Proven track record of owning multi-year technical strategy and architectural roadmaps, guiding teams from AI prototype through production deployment, and influencing organizational ...

Principal Cloud Software Engineer – Hybrid, C#/.NET

Location
Cambridge, England, United Kingdom
Selection is seeking a principal software developer to guide and contribute to cloud software development with AWS or Azure. The role centers on a data-oriented platform shaping global sustainability and delivering impactful applications. You will translate architecture decisions into robust designs, collaborating with stakeholders and applying ...

Principal Software Engineer-AI

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
hackajob is partnering directly with Moody's Corporation to hire for this role. Skills and Competencies 12+ years of software engineering experience, including 5+ years leading engineering teams and delivering complex, large-scale, multi-team initiatives with measurable business impact Experience leading multiple teams or groups of teams, including … scale Deep knowledge of cloud-native technologies, serverless applications, event-driven architectures, data and inference pipelines, relational, NoSQL, and vector databases, and modern software architecture patterns Proven track record of owning multi-year technical strategy and architectural roadmaps, guiding teams from AI prototype through production deployment, and influencing organizational ...

Principal Software Engineer-AI

Location
Westminster, West End, United Kingdom
hackajob is partnering directly with Moody's Corporation to hire for this role. Skills and Competencies 12+ years of software engineering experience, including 5+ years leading engineering teams and delivering complex, large-scale, multi-team initiatives with measurable business impact Experience leading multiple teams or groups of teams, including … scale Deep knowledge of cloud-native technologies, serverless applications, event-driven architectures, data and inference pipelines, relational, NoSQL, and vector databases, and modern software architecture patterns Proven track record of owning multi-year technical strategy and architectural roadmaps, guiding teams from AI prototype through production deployment, and influencing organizational ...

Principal Electronics & Software Engineer: Lead Systems

Location
Cambridge, England, United Kingdom
Selection in Cambridge is seeking a principal engineer to lead the full development of innovative HealthTech devices from concept through production. You will drive system architecture and hands-on testing while guiding a small engineering team. You don't need prior HealthTech experience; the role prioritizes leadership, practical … hardware and software expertise in C/C++, soldering boards, debugging, and transferring designs to manufacture. #J-18808-Ljbffr ...

Principal AI/ML Software Engineer – Hybrid UK

Location
Lincoln, England, United Kingdom
Leonardo UK is seeking Senior or Principal Software Engineers with a strong AI/ML background to join our Electronics UK business. You will contribute to AI/ML software for high‐profile defence and aerospace projects in the UK. The role requires a degree in Computer ...

Principal Embedded Software Engineer I

Hiring Organisation
CesiumAstro
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
passionate, collaborative, energetic, and forward-thinking individuals to join our team. In this position, you will be responsible for low-level and high-level software in Cesium's products through all phases of the development process. Key projects will include Linux-based single-board computers and high-reliability microcontroller … systems. Cesium's goal is to create an out-of-the-box hardware and software experience which enhances our customers' ability to rapidly integrate our products into their systems. As a Cesium software team member, you will be responsible for software designs from concept through production, including ...

Principal Cloud Software Engineer

Hiring Organisation
Aveva Group
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Principal Cloud Software EngineerLocation: Cambridge, UK – HybridEmployment Type: Full-time regularThe jobReporting to the Director of CONNECT Core Services, you will provide technical leadership for the design and implementation of AVEVA's cloud … Kubernetes, containers, or cloud-native application platformsExperience with Angular or equivalent web development frameworksExperience using AI-assisted coding tools to improve engineering productivity and software qualityStrong communication, ownership, adaptability, and curiosity, with the ability to motivate others and lead through technical influenceR&D at AVEVAOur global team of 2000+ ...

Principal Embedded Software Engineer I

Location
Milton Keynes, England, United Kingdom
passionate, collaborative, energetic, and forward-thinking individuals to join our team. In this position, you will be responsible for low-level and high-level software in Cesium’s products through all phases of the development process. Key projects will include Linux-based single-board computers and high-reliability microcontroller … systems. Cesium’s goal is to create an out-of-the-box hardware and software experience which enhances our customers’ ability to rapidly integrate our products into their systems. As a Cesium software team member, you will be responsible for software designs from concept through production, including ...

Principal Software Engineer

Location
Greater London, England, United Kingdom
powered and data-driven businesses . We work with enterprise organisations on a global stage, reinventing how they design, build, and operate AI powered software at scale with speed. Our Purpose: We're on a mission to reinvent what's possible with AI in enterprise environments . Our Software … working at the absolute cutting edge of what's possible with today's most advanced AI technologies. Key Responsibilities Define and evolve the overall software architecture and technology vision for the organisation. Provide deep technical guidance to multiple engineering teams across projects. Lead the design and delivery of large ...

Principal Software Engineer - Test Environments (GCAP)

Hiring Organisation
Leonardo DRS
Location
Edinburgh, UK
Employment Type
Full-time
Business, you will help deliver robust test capabilities for the Global Combat Air Programme (GCAP), including test rigs, integrated test solutions, simulation environments, bespoke software, and test frameworks. GCAP will deliver Tempest, the sixth-generation combat aircraft that will replace the Royal Air Force's Typhoon fleet from 2035. … validation of these advanced capabilities. This role can be based at any Leonardo Electronics UK site and will involve occasional travelWhat You'll DoDevelop software and test solutions that support physical and digital test capabilities. Deliver test environments across multiple levels, from subsystem integration through to hardware ...

Principal Software Engineer - Test Environments (GCAP)

Hiring Organisation
Leonardo DRS
Location
Basildon, Essex, UK
Employment Type
Full-time
Business, you will help deliver robust test capabilities for the Global Combat Air Programme (GCAP), including test rigs, integrated test solutions, simulation environments, bespoke software, and test frameworks. GCAP will deliver Tempest, the sixth-generation combat aircraft that will replace the Royal Air Force's Typhoon fleet from 2035. … validation of these advanced capabilities. This role can be based at any Leonardo Electronics UK site and will involve occasional travelWhat You'll DoDevelop software and test solutions that support physical and digital test capabilities. Deliver test environments across multiple levels, from subsystem integration through to hardware ...

Principal Software Engineer - Test Environments (GCAP)

Hiring Organisation
Leonardo DRS
Location
Luton, Bedfordshire, UK
Employment Type
Full-time
Business, you will help deliver robust test capabilities for the Global Combat Air Programme (GCAP), including test rigs, integrated test solutions, simulation environments, bespoke software, and test frameworks. GCAP will deliver Tempest, the sixth-generation combat aircraft that will replace the Royal Air Force's Typhoon fleet from 2035. … validation of these advanced capabilities. This role can be based at any Leonardo Electronics UK site and will involve occasional travelWhat You'll DoDevelop software and test solutions that support physical and digital test capabilities. Deliver test environments across multiple levels, from subsystem integration through to hardware ...

Principal Software Engineer (Remote, United Kingdom)

Location
United Kingdom
Summary:JOB DESCRIPTION – Principal EngineerLocation: Remote, United KingdomDivision: TM1 Data AppsContract Terms: Permanent, 40hours per week**THE TEAM**The TM1 Data Apps area is a group of Ticketmaster teams that provides Reporting, Marketing and Real Time data insights to our clients and partners, following a recent restructure the teams … work with the teams to enhance and refactor to modern architectures again focusing on resuse and simplification, develop and design high-traffic, large scale software applications and data flow processes, infrastructure for deploying and long-term maintenance of the systems.* Design and develop peripheral systems and processes - monitoring ...

Principal Software Engineer

Hiring Organisation
Matchtech
Location
Maidenhead, Berkshire, United Kingdom
Employment Type
Permanent
. Working arrangement Fully onsite: please only apply if you can work onsite in Maidenhead The role You'll provide technical leadership in a software engineering team (typically 5 to 20 engineers) delivering multiple concurrent R&D and production programmes. The focus is on embedded and/or application … software in secure environments, with end-to-end ownership across the software lifecycle (requirements through design, implementation, test, verification, deployment and support). You may also have line management responsibility (up to c. 5 engineers, depending on team structure). Key responsibilities Lead the architecture, design, development, documentation ...