76 to 84 of 84 Principal Software Engineer Jobs in the UK

Principal Software Engineer

Hiring Organisation
SEEKR
Location
London Area, United Kingdom
Front End-leaning Principal engineer who wants to combine your experience in web and AI to help unlock other engineering teams, this might be the role for you. This role will also be an opportunity to apply AI to real-world problems inside a healthy, profitable, and rapidly … time. You will help them stay ahead of the curve by solving both technical and sociotechnical problems. You would be joining a squad of Principal engineers with different expertise that serves as a centre of excellence to the 16+ engineering teams in the wider engineering function. Your domain? Everything ...

Lead Principal Software Engineer - Payments Platform (Remote)

Hiring Organisation
Ocho People
Location
Belfast, Northern Ireland, United Kingdom
global payment technology business is seeking experienced Principal & Staff Software Engineers to lead the development of a critical payments platform. The role offers significant technical ownership and remote-first flexibility with an office in Belfast. Candidates should have over 6 years of experience in .NET development ...

Principal SW Engineer II - Storage & Timeseries (Remote)

Hiring Organisation
Elastic
Location
London, England, United Kingdom
leading tech company is seeking a Principal Software Engineer II to join their globally distributed Elasticsearch - Storage Engine team. This role involves leading the development of innovative Timeseries solutions, optimizing storage, and data querying. Ideal candidates will have expert-level skills in core Java, leadership experience ...

Principal & Staff Software Engineers - Work From Home

Hiring Organisation
Ocho People
Location
Belfast, Northern Ireland, United Kingdom
Principal & Staff Software EngineersAt a glancePrincipal or Staff Software Engineer role on a mission-critical payments platformLead engineers and influence architecture, design, and deliveryRemote-first with a Belfast city centre officeStrong salary, excellent benefits, and genuine technical ownershipAbout the CompanyOur client is a global payment technology … shaping technical direction, influencing architecture, and delivering features from a long-term product roadmap.Key ResponsibilitiesLead analysis, design, and development of complex, high-throughput software systemsDrive best practices in unit testing, documentation, and code qualityAdvise on testing strategies, validation requirements, and remediation of complex issuesApply strong knowledge of engineering standards ...

Principal Automation Software Development Engineer in Test

Hiring Organisation
Spacelabs Healthcare
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
operational efficiency, and safer care environments. Why Spacelabs? Because lives depend on what we build About the Role Were looking for a highly skilled Principal Automation Software Development Engineer in Test (SDET) to lead automation strategy and hands-on development for our next-generation patient monitoring platform. … someone who thrives in complex system environments, brings deep technical expertise, and enjoys mentoring engineers while partnering closely with R&D, Systems, Hardware, Electrical, Software, and Verification teams. What Youll Do: Translate product and system requirements into robust, scalable automated test solutions. Lead cross-functional reviews of software ...

Principal Software Engineer - TypeScript/Python

Hiring Organisation
Onsera Health
Location
City of London, London, United Kingdom
healthcare partners, wearables platforms, and pharmacy fulfillment systems Architect and implement member payment platforms, including fee collection, reconciliation, and financial reporting Define and enforce software engineering standards, including coding conventions, testing practices, and documentation Conduct rigorous code reviews focused on correctness, security, performance, and maintainability Mentor engineers and gradually … transition into line management as the engineering organization grows Minimum Qualifications 8+ years of experience as a Full-Stack Engineer delivering production systems, with track record at Senior or Principal level Proficiency across frontend and backend development, including modern web frameworks and API design Proven experience integrating with ...

Principle and Senior Backend Software Engineer (.NET)

Hiring Organisation
Recenso
Location
London, England, United Kingdom
Principle and Senior Backend Software Engineer (.NET) Location: North London/HertfordshireType: Permanent | Strong Salary + Bonus + EquityRight to Work: UK work eligibility required (no sponsorship) What We’re Looking For We’re searching for a highly skilled Principle and Senior Backend Engineer with fast, accurate ...

Principal Software Engineer (Solution Architect) - (Frontend & Mobile)

Hiring Organisation
Hargreaves Lansdown
Location
London, England, United Kingdom
future. Be part of the future of investing. Shape it with us.WhatYou’llBe DoingSet technical direction: Define & maintain Front-End/Web and mobile software architecture and patterns, engineering standards and the ‘right way’ to build greenfield HL state of the art web and mobile applications.Own a technical ‘opinionated … ecosystem, evaluating new technologies, industry practises and guide the engineering delivery teams with adoption.About You10+ years of experience with Web/Front End & Mobile software engineering and at least 4+ years in a Principal Engineering or Solution Architect role or similarDeep understanding of Front End/ ...

Principal Software Engineer

Hiring Organisation
Searchability®
Location
Manchester, England, United Kingdom
Company Due to continued growth and investment in engineering capability, we’re supporting a well-established UK SaaS provider as they appoint a Principal Back-End Developer. This organisation delivers a core platform used at scale and is committed to evolving its technology landscape to support long-term growth ...