876 to 900 of 1,108 Principal Engineer Jobs

technology consulting firm is seeking a Principal Java Engineer to join their team in London. The ideal candidate will have over 10 years of experience in Java development, particularly with low-latency systems in payments processing. Responsibilities include designing backend systems, building RESTful APIs, and collaborating across teams ...

Stack JavaScript/Typescript, with experience across any of the modern core frameworks from frontend through to API/service developmentAn end-to-end engineer, comfortable and experienced designing and deploying to cloud environments (e.g. GCP, Azure, AWS + CI/CD)Someone who takes pride in their craft ...

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 cloud-native ...

Hawk-Eye Innovations Ltd. in the United Kingdom is seeking a Principal Software Engineer to lead C++ development for the Cloud Video Framework. You’ll design, optimize, and scale live video processing and tooling used at live sports events. Join a hybrid team with 2 days in-office ...

MBDA UK is seeking a Principal Test Engineer for its Bolton manufacturing team to lead test and diagnostics of electrical/electronic sub-systems and circuit cards. You will support test capability, generate specifications and operator instructions, and ensure quality targets are met throughout the product lifecycle. ...

Rocket Science Group's Atomic Theory studio in Brighton is seeking a Principal Game Engineer to own player-facing systems across Unreal Engine projects. You will drive gameplay, UI, 3Cs, and AI, set technical direction, and mentor others while collaborating with partners to deliver ship-quality experiences. ...

client is a digital consultancy. Principal Platform Engineer - 12 Month FTC Who We Are: Our client are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. Weve been helping organisations build better digital products and stronger digital teams since 2014 click ...

create an environment of inclusion—one focused on psychological safety, empathy, and human connection that will allow employees of all backgrounds to thrive. Principal Sales Engineer - UK Amplitude is where product teams go when they're serious about understanding their users. We're the leading product analytics platform … pieces, technical content, and operational frameworks for the broader Solution Engineering team What We're Looking For Strong experience in software pre-sales at principal level (Solutions Engineering, Sales Consulting, or Technical Account Management roles) Preference for experience in the product analytics, experimentation or customer data platform space. Strong ...

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 and develop ...

time. Striving for operational excellence, we specialize in pioneering technical design solutions to meet the evolving needs of our customers. Position Overview As Principal Mechanical Program Engineer, you will play a pivotal role in shaping the mechanical systems and design of digital infrastructure. Operating at the program level … Experience Bachelors Degree in Mechanical Engineering, or similar technical field, from an accredited university or college desirable. Accredited engineering credentials preferred (Chartered/Professional Engineer). 10+ years of experience as a mechanical engineer with a strong focus on data center or mission critical environments. Experience in EMEA ...

Principal RF Systems Engineer - HIL & Simulation - St Neots (PE19) - Permanent - Full Time 25 days annual leave (inclusive of December shutdown) Buy or sell up to 5 days leave Two pension schemes Private Medical & Dental Insurance Life Assurance (4 x salary) Save and share schemes Electric/Hybrid ...

Title: Principal Combat Systems Engineer Location: Portsmouth Naval Base & Portsmouth Broad Oak hybrid pattern of 3/4 days on site We offer a range of hybrid and flexible working arrangements please speak to your recruiter about the options for this particular role. Salary ...

Leonardo UK is seeking Principal Software Engineer (AI/ML) to work on cutting-edge defence and aerospace projects in the UK. You will join our software community within Electronics UK, delivering high-integrity software that leverages AI/ML to power advanced systems such as sixth-generation ...

RELX International in London is seeking a Technical Lead to balance hands-on software development with engineering leadership. You will shape technical direction, guide delivery planning, and collaborate with Product, Architecture, QE, SRE, and partner ...

About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can ...

About AlphaSense: The world's most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can ...

Leonardo Worldwide Corporation is seeking a Principal Platform Engineer in Yeovil. This role involves leading the design and delivery of secure platforms, focusing on solving customer problems and providing technical expertise across domains. Ideal candidates will have extensive experience in virtualization, operating systems, and automation tools. The position ...

Entrust is seeking a Principal Solutions Engineer based in the United Kingdom to own the technical side of a portfolio of EMEA Key Accounts and to serve as the focal point for partner engagements in the US. You will lead complex technical conversations, mentor peers, and influence product ...

Rowden in Bristol, UK, seeks a mid to principal ML Engineer to build and deploy AI systems across edge and embedded environments. The role collaborates with software, hardware and systems teams to deliver real-world impact. Hybrid work with on-site presence at Bristol HQ is required. ...

client is a major defence and aerospace company. Date Posted: 2026-06-26 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Principal Platform Engineer Gloucester Permanent, full time Hybrid (min 3 days a week on site) Due to the interestingworkwe do and the sector this ...

Role: Principal AI Architect Generative & Agentic AI Location: London Hybrid Salary: £150,000 £200,000 + Bonus + Equity Were working with a fast-growing AI consultancy looking to appoint a Principal AI Architect to take a leading role in designing and delivering complex, production-grade AI solutions ...

Redline Group Ltd. in Great Yarmouth, Norfolk, is seeking a Principal Test Engineer to define and lead test strategies across our R&D and production teams. The role supports a hybrid working model and the innovative 9-day working fortnight, delivering robust test solutions for a range ...

already deployed internationally in clinical trials, primarily with pharmaceutical companies, and its use is growing rapidly. The Role We are looking for a Principal Systems Test & Automation Engineer to take significant technical ownership of testing and test automation across the Albus platform. This is a senior, hands … engineering productivity. Contribute to the continuing development of Albus's testing strategy, processes and quality system. About You You are a senior test engineer with strong automation skills, systems thinking, technical curiosity, initiative and a strong sense of ownership . You enjoy getting deeply into how complex systems work ...

customers' most critical missions. Opportunity Overview This is more than just a job; it's a mission. We're seeking a Software Engineer to join an Operations and Maintenance team supporting advanced national security and defence systems. You'll play a key role in maintaining mission-critical capabilities, ensuring ...

Alan Turing Institute is seeking a Principal Machine Learning Engineer to lead the development and deployment of advanced AI, ML and data science solutions in collaboration with UK national security partners. This role combines technical leadership with hands-on engineering and mentorship across research, software and stakeholder engagement. ...