51 to 75 of 75 Principal Engineer Jobs in London

Principal Software Engineer | C# .NET Energy Trading | ETRM Architectural Redevelopment | Azure | £120,000 | 3 days in office | London

Hiring Organisation
VirtueTech Recruitment Group
Location
London Area, United Kingdom
Principal Software Engineer | C# .NET Energy Trading | ETRM Architectural Redevelopment | Azure | £120,000 | 3 days in office | London Our client, a leading global energy brokerage, is looking for a Principal C# .NET Software Engineer to join their Power and Gas team for a crucial restructuring ...

Senior/Principal Software Engineer - Secure Cloud (SC/DV)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Gemba Advantage is seeking a Senior/Principal Software Engineer to design and deliver secure, scalable software solutions while working in small agile teams. The role requires active SC or DV clearance and entails championing modern engineering practices, shaping architectural direction, and influencing technical decisions. Candidates should bring ...

Principal Software Engineer (Payments)

Hiring Organisation
X4 Technology
Location
City of London, London, United Kingdom
international cross-border payments company are looking for a Principal Software Engineer to help build and scale their payment platform. You’ll work across the full stack - frontend, backend, cloud infrastructure, and data - designing reliable systems that power real financial transactions. You'll lead their latest platform, provide ...

Principal Software Engineer

Hiring Organisation
Vitality Corporate Services Limited - Tech
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
seamless customer experiences. Youll build and maintain high-quality software that supports a fully integrated, modern business, delivered with pace and precision. As a Principal Software Engineer, youll lead development across large or multiple teams, setting technical direction and raising engineering standards. Youll bring deep expertise in your ...

Principal Software Engineer

Hiring Organisation
Vitality
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
seamless customer experiences. You’ll build and maintain high-quality software that supports a fully integrated, modern business, delivered with pace and precision.As a Principal Software Engineer, you’ll lead development across large or multiple teams, setting technical direction and raising engineering standards. You’ll bring deep expertise ...

Principal Engineer (Microsoft)

Hiring Organisation
Claranet
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Role Mission To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with ...

Principal Engineer (Microsoft)

Hiring Organisation
Claranet Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Role Mission To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with ...

Principal Engineer (Microsoft)

Hiring Organisation
Claranet
Location
WC2E, Covent Garden, Greater London, United Kingdom
Employment Type
Permanent
Role Mission To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with ...

Principal Software Engineer - Real-Time Energy Trading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
global AI-native consultancy is seeking a Principal Software Engineer to lead engagement delivery in the Energy & Commodities Trading sector. This hands-on role combines technical excellence and domain expertise, focusing on architecting scalable AI solutions that drive trading decisions. The successful candidate will work closely with client ...

Principal Software Engineer

Hiring Organisation
Vitality
Location
London Area, United Kingdom
line with quality and time parameters, to enable operation as a fully integrated composite business, offering brilliant products with seamless, intuitive customer journeys. The Principal Software Engineer leads and plans development across large or multiple teams, providing deep expertise in one technical specialism and strong capability across ...

Director - Principal Engineer (Java/Angular/AI)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£140,000 - £170,000 per annum
We are working with a global financial institution building a new engineering team focused on developing a large-scale internal platform within a critical business area. This is a greenfield initiative focused on modernising and ...

Principal Platform Software Engineer

Hiring Organisation
All3
Location
London Area, United Kingdom
assembly to build custom architecture at the cost and speed of mass production - unlocking even the most complex sites. We’re currently seeking a Principal Platform Software Engineer to join our team, focused on shaping the system architecture and delivering software that defines the mobility, manipulation, autonomy ...

Principal AI Software Engineer - Java

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
client - a global automotive systems industry leader - is looking to hire an Principal AI Software Engineer (Java) to join them on an initial 6-month contract, with a view to transition to permanent employment. This role will be operating as part of a high-functioning team focused ...

Principal Software Engineer

Hiring Organisation
Accenture
Location
London Area, United Kingdom
Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance ...

Founding Principal Engineer

Hiring Organisation
CoCoSoft Limited
Location
City of London, London, United Kingdom
production environments Comfortable owning architectural decisions and operating with autonomy Security-first mindset and multi-tenant data isolation experience Tech lead or founding engineer experience is a strong plus Why Us: A rare opportunity to join a greenfield startup with scale-up backing, an engaged founding team, and real ...

Principle AI Data Engineer (contract)

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£525 - £575 per day
Principal AI/Data Engineer (Contract): Length: 3 months initally (extension is likely) Start Date: ASAP Location: London, Hybrid (1 day per week) Pay Rate/Determination: £525-575 p/d | Outside IR35 About: Opus is supporting a UK-based digital consultancy partnering with organisations to design … build and scale high-impact digital and AI-driven products, with a strong people-first culture. The role: A hands-on Principal AI/Data Engineer contract to assess, shape and deliver improvements to a live AI platform across two critical workstreams.You'll be responsible for: Assessing ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
Principle Java Engineer • Salary to £70k + Company Options Scheme • Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i.e. you have at least 5 years residency … fast and looking for bright, dynamic people to help build their business. Role They’re looking for an experienced (Principle/Team Lead) Java Engineer to join their implementation team. You’ll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration — helping their public-sector ...

Principal AI Java Engineer Remote Cloud-Native

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
global automotive systems industry leader is seeking a Principal AI Software Engineer (Java) to work remotely on AI projects. This role requires deep expertise in Java, Spring, and AWS, with hands-on experience in production-grade AI systems. Responsibilities include implementing AI solutions and creating deployable AI agents. ...

Principal Fire Systems Engineer

Hiring Organisation
PSR Solutions
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 - 90,000 Annual
Rail Team are currently recruiting for a Principal Fire Systems Engineer to work full time in Central London. This will be working for a well established Rail contractor who are working on one of the biggest projects in the UK. Don't miss out! Fire Detection Systems Design … Engineer - Role Summary This role focuses on leading the design and construction of Fire Detection and Alarm (FD&A) systems across medium to large infrastructure projects in Rail, Highways, HS2, and Power sectors . It demands technical expertise, stakeholder coordination, compliance assurance, and leadership of junior team members. ...

Principal Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
over two years, and already have a lot of customers in the UK. On-site | London Up to 150,000 + Equity Senior/Principal Software Engineers: They're looking to add Senior/Principal Engineers to their team. The team are open to hiring pure backend engineers ...

Principal Software Engineer

Hiring Organisation
Vitality Corporate Services Limited - Tech
Location
London, UK
About The Role Ensure you read the information regarding this opportunity thoroughly before making an application. Team UK Application Engineering Working Pattern - Hybrid 2days per week in the Vitality Bournemouth, London or Stockport Office.Full time ...

Principal C++ Robotics Engineer — Scale Production Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technology company in Greater London seeks a Principal Robotics/C++ Software Engineer to define the technical direction of their software stack. The role involves driving architecture and ensuring scalable operations within a deployed system for unmanned aerial inspections. Candidates should have deep C++ experience and a proven ...

Principle Machine Learning Engineer

Hiring Organisation
5V Video
Location
City of London, London, United Kingdom
Principle Machine Learning Engineer Contract Pay DOE Hybrid 2x a week on site Most sports data is reactive - stats after the moment’s gone. This role is about building systems that generate real-time insights during live sport. Why This Role? Leading global streaming/sports platform Real ownership … understanding of sports data (event, tracking, or video) Hands-on experience taking models from research → production Strong technical leadership and mentoring experience Ideal Profiles Principal/Staff ML Engineers in streaming, sports, or media ML Engineers from real-time/low-latency environments Engineers working on computer vision, personalisation ...

Principle and Senior Backend Software Engineer (.NET)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Principle and Senior Backend Software Engineer (.NET) Location: North London/Hertfordshire Type: Permanent | Strong Salary + Bonus + Equity Right 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 ...

Principal .NET Backend Engineer | IoT Systems + Equity

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leading IoT technology firm is seeking a highly skilled Principle and Senior Backend Engineer (.NET) to design and develop critical backend services for IoT products. The role involves building scalable systems, ensuring high automated test coverage, and collaborating with various teams to create secure solutions. This position offers ...