26 to 50 of 142 Principal Engineer Jobs in London

Principal Software Engineer - Cards & Credit (Python, Java, Clojure, AWS) Up to £135,000 + bonus (15-22%) + annual equity ️ Python, Distributed Systems, High-Scale Architecture London, hybrid working (2 days/week) Leading business lending platform I'm partnered with one of the UK's most successful fin-tech scale-ups who have built a platform helping … ve recently launched a new product line which has become the company's highest-growth area, with its own dedicated leadership and road map. They're now hiring a Principal Software Engineer to become the technical lead across two core engineering teams working in the card and credit space. This is a critical hands-on IC role driving … days/week in their London office (no fixed days) Be part of a high-ownership role with real scope to shape the success of a growing product Principal Software Engineer - Cards & Credit (Python, Java, Clojure, AWS) Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds. More ❯

we're in the cloud deploying over a 1,000 microservices into AWS, Azure & GCP or streaming billions of messages on Kafka and building event-based solutions. As a Principal Engineer in Data & AI, you will play a pivotal role in driving engineering excellence and innovation within our dynamic and inclusive environment. You'll have the opportunity to … technologies. Overall, you will be instrumental in shaping the engineering culture, driving technical maturity, and ensuring effective and efficient delivery within Sainsbury's Tech. Who you are As a Principal Engineer within Sainsbury's Tech, you are a highly skilled and influential technology leader with a deep understanding of engineering principles and practises in the field of data More ❯

Principal Engineer - Law Firm 3 days pw in London Lead the design, architecture, and development of innovative technical solutions, with a focus on Microsoft Azure, cloud-native technologies, and microservices architecture.Act as an internal SME across complex business and technology projects, providing expert third-line support and driving resolution of critical incidents.Own and evolve our approach to disaster More ❯

Principal Data Engineer/Architect (Snowflake AWS SQL Python) London/WFH to £140k Opportunity to progress your career in an impactful Principal Data Engineer role at a growing technology company as they scale their UK presence. As a Principal Data Engineer you will lead the architecture and design of the Data Platform using … to work from home most of the time, meeting up with colleagues in the London office once or twice a week. About you: You are a highly technical Data Engineer/Architect with experience of designing data lakes, data pipelines and meta data management You have strong Snowflake and AWS data services experience You have advanced SQL and Python … and stakeholder management skills What's in it for you: Salary to £140k Impactful role at a scaling company Flexible working Apply now to find out more about this Principal Data Engineer/Architect (Snowflake AWS SQL Python) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually More ❯

Principal Data Engineer/Architect (Snowflake AWS SQL Python) London/WFH to £140k Opportunity to progress your career in an impactful Principal Data Engineer role at a growing technology company as they scale their UK presence. As a Principal Data Engineer you will lead the architecture and design of the Data Platform using … to work from home most of the time, meeting up with colleagues in the London office once or twice a week. About you: You are a highly technical Data Engineer/Architect with experience of designing data lakes, data pipelines and meta data management You have strong Snowflake and AWS data services experience You have advanced SQL and Python … and stakeholder management skills What's in it for you: Salary to £140k Impactful role at a scaling company Flexible working Apply now to find out more about this Principal Data Engineer/Architect (Snowflake AWS SQL Python) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually More ❯

first-class products & services. You will be part of a top-gun team and work with the brightest and best of British engineers. You will like The Princiapal Systems Engineer job itself where you will be a key member of the Systems Engineering Group, comprising of Systems Engineering, Software Engineering and Electronic Engineering. The Principal Systems Engineer … managing, and motivating teams of engineers to deliver against both active programmes and strategic business objectives in support of the company s mission, core values and focus areas. The Principal Systems Engineer promotes the Systems Engineering approach throughout the product lifecycle and uses it to actively handle multiple projects and the integration of numerous technologies across the business … s products and processes. The Principal Systems Engineer will have experience of full lifecycle systems engineering, including architecture design, requirements elicitation, definition, decomposition, and verification. The role inherently requires a strong aptitude for problem solving and an ability to understand complex inter dependencies, as well as managing potentially conflicting inputs from multiple stakeholder groups. The Principal Systems More ❯

Principal Development Engineer page is loaded Principal Development Engineer Apply locations United Kingdom - Greater London - London United Kingdom - Bristol time type Full time posted on Posted 30+ Days Ago job requisition id R3172 Ameresco, Inc. (NYSE:AMRC) is a leading energy solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero … innovative technologies and solutions Deliver other duties as required Minimum Qualifications: Minimum 2:1 engineering degree, or equivalent preferably in Mechanical, Electrical or Chemical Achieved or working towards Chartered Engineer status Minimum 7 years of experience working in energy engineering, renewables, or decarbonisation Accredited PAS 2035 Retrofit Assessor, Designer, or Coordinator qualification or ESOS Lead Assessor is advantageous Strong More ❯

Principal Data Engineer - Core Systems Team Hybrid in London/Remote within UK The company Imagine a world where every small business has the power to thrive. That's the world we're building at iwoca. Small businesses aren't just statistics - they're the heartbeat of our communities, the character of our high streets, and the engine … iwoca products. We follow Agile-inspired processes, using continuous integration and delivery, so that features go live in days or weeks, not months or years. The role As the Principal Data Engineer, you'll be responsible for our data platform. You'll define our data strategy, drive the evolution of our data infrastructure, and ensure our data systems More ❯

Principal Data Engineer - Data Platforms/Data Lakes/Cloud/Python - 6-Month Contract - £625 p/d Inside IR35 - London A global digital media organisation are looking for a Principal Software Engineer to join their Data Foundation & Product Analytics team on an initial 12-month contract. This role sits at the forefront of enterprise More ❯

Principal Data Engineer - Contract - Inside IR35 Spinks are working with a scaling Digital Transformation Consultancy who have an exciting new project with a leading Media & Entertainment provider. They're looking for multiple experienced Data Engineers to join on an initial 6 month contract basis, with scope for further extensions. -Python, AWS, dbt, SQL, -Principal Data Engineer More ❯

Principal Data Engineer - Contract - Inside IR35 Spinks are working with a scaling Digital Transformation Consultancy who have an exciting new project with a leading Media & Entertainment provider. They're looking for multiple experienced Data Engineers to join on an initial 6 month contract basis, with scope for further extensions. -Python, AWS, dbt, SQL, -Principal Data Engineer More ❯

on your skills and experience talk with your recruiter to learn more. Base pay range Direct message the job poster from CBSbutler Divisional Manager - Defence & Security @ CBSbutler Senior/Principal Systems Engineer Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯

have within the community. So, what's your possible? Opportunity: This is more than just a job; it's a mission. Salary: £47,400- £67,000 The V&V Principal engineer will support the planning, conduct and reporting of V&V work packages and activities in order to prove our hardware and software product compliance to their associated … requirements. The V&V Principal Engineer will work within multi-disciplined project teams under direction of the project delivery management and V&V leadership to effectively and efficiently deliver the assigned V&V activities. Our UK Defence business is a Sovereign software and systems centre of excellence. As well as developing and supporting UK wide and internationally deployed More ❯

Location: London (hybrid working: min 3 days in the office) Grade: Senior/Principal Engineer Salary: £50,000 - £65,000 per annum depending on experience including competitive benefits Vacancy Type: Permanent Hours: Full Time (37.5h p/w) What makes us different The Useful Simple Trust (UST) is a family of highly renowned professional design and consultancy practices. … and innovation. We work collaboratively with academics and expert collaborators to augment our skill set. What we are looking for We are looking for a professionally qualified Senior/Principal Civil Engineer with Chartered Engineer (CEng) status to join our team. You would be part of a dynamic team and have the opportunity to work on a … analysis (IES VE, JPA SAP,Ladybug, Honeybee, DIVA, EnergyPlus etc.) Environmental design of buildings Professional qualifications are expected to include: BSc/BEng (or equivalent) in Civil Engineering Chartered Engineer (CEng) status and membership of an appropriate professional body such as ICE, CIWEM (or similar) Personal Attributes: Proactive person who enjoys working in a team environment Good sense of More ❯

to diagnose, treat, and prevent illnesses. It's not just a job, it's a mission to save lives, and you could be a part of it. As a Principal Engineer, you'll play a key role in delivering exceptional technical solutions. You'll collaborate on planning, strategy, and execution to ensure products and services meet the highest … excellence as the tech lead. You're someone who thrives on programming, ideally with Python, and has a solid software engineering background. Perhaps you've transitioned into an Architect, Principal, or Staff Engineer role, bringing extensive experience and technical leadership to the table. You excel at working with AWS platforms and are confident leading architectural changes that drive More ❯

An ambitious, forward-thinking consultancy is seeking a Principal Software Engineer & DevOps Lead to take ownership of their growing suite of digital platforms. With a strong mission to enable organisations to meet sustainability goals through innovative technology, this company blends consultancy expertise with proprietary software products that drive real impact. Their work environment is collaborative and values-led … home and a central London office), you'll play a pivotal part in scaling critical products and services that underpin a tech-enabled approach to consulting. Your role as Principal Software Engineer & DevOps Lead Lead DevOps initiatives, managing AWS infrastructure (including Lambda, EC2, Amplify, S3) and building out robust CI/CD pipelines. Oversee and optimise ETL processes … in a fast-paced environment. Manage and grow a team of developers, providing mentorship, fostering a high-quality code culture, and shaping future hiring. Experience and qualifications for the Principal Software Engineer & DevOps Lead role Extensive hands-on experience with AWS services and infrastructure-as-code practices. Proficiency in backend development with Python and Node.js, plus frontend skills More ❯

Principal Development Engineer page is loaded Principal Development Engineer Apply locations United Kingdom - Greater London - London United Kingdom - Bristol time type Full time posted on Posted 30+ Days Ago job requisition id R3172 Ameresco, Inc. (NYSE:AMRC) is a leading energy solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero … innovative technologies and solutions Deliver other duties as required Minimum Qualifications: Minimum 2:1 engineering degree, or equivalent preferably in Mechanical, Electrical or Chemical Achieved or working towards Chartered Engineer status Minimum 7 years of experience working in energy engineering, renewables, or decarbonisation Accredited PAS 2035 Retrofit Assessor, Designer, or Coordinator qualification or ESOS Lead Assessor is advantageous Strong More ❯

Principal Software Engineer, US Prime & Marketing Tech Job ID: Amazon Spain Services, S.L.U. Do you want to reach the next level on your career? Do you want new challenges and solve hard problems while using top-notch technologies? Join us and you'll help millions of customers to discover the hottest and best-of-breed products from a … start on a new team and make an immediate impact at this scale. Come with us and let's find the best future, together. Key job responsibilities As a Principal Engineer you will be expected to serve as a technical lead on our most demanding, cross-functional projects. • Ensure the quality of architecture and design of systems. • Functionally More ❯

The Role The role The Enterprise Platforms Principal Engineer will drive the evolution of the Enterprise Platform, ensuring the platform continues to evolve in line with changing business requirements for corporate application hosting. This senior role has responsibility for the development of the Enterprise Platforms product set, within Central Technology, whilst also guiding and mentoring more junior engineers. … and valued. Provide coaching and mentoring to members of the Consultative Engineering Squad, helping to upskill all members of the team. Provide a technical escalation path for the senior engineer, within the Core Engineering Squad. Document, maintain and work to protect the Enterprise Platforms low-level architectural standards Work with the Enterprise Platforms Product Manager and Core Engineering Manager More ❯

Find out more about being a Software Engineer in the Partnership, and the technology we use - https://engineering-principles.jlp.engineering/principles/At a glance Contract type - This position is a permanent contract. Salary - £75,000 - £120,000 Flexible Working: This is a hybrid working role, therefore your time will primarily be split between working from home … needs may require more frequent attendance. Our offices are open five days a week for those who prefer to work from the office more regularly. Key Responsibilities: As a Principal Engineer, you will play a pivotal role in aligning the engineering strategy and roadmap for John Lewis E-Commerce & Digital with the overarching business objectives. Your influence will … as Product Leads, Delivery and Operations Managers, Infrastructure Leads and Enterprise Architects as well as Senior Staff Engineers and specialist engineering teams. You will also work closely with other Principal Engineers who may be responsible for other business areas or for deep engineering specialisms such as cloud or data. Successful candidates will have a passion for using technology to More ❯

Find out more about being a Software Engineer in the Partnership, and the technology we use. - https://engineering-principles.jlp.engineering/principles/At a glance Contract type - This position is a permanent contract. Salary - £75,000 - £120,000 Flexible Working: This is a hybrid working role, therefore your time will primarily be split between working from home … needs may require more frequent attendance. Our offices are open five days a week for those who prefer to work from the office more regularly. Key Responsibilities: As a Principal Engineer, you will play a pivotal role in aligning the engineering strategy and roadmap for the John Lewis Commercial with the overarching business objectives. Your influence will extend … as Product Leads, Delivery and Operations Managers, Infrastructure Leads and Enterprise Architects as well as Senior Staff Engineers and specialist engineering teams. You will also work closely with other Principal Engineers who may be responsible for other business areas or for deep engineering specialisms such as cloud or data. Successful candidates will have a passion for using technology to More ❯

Join us as a Principal Engineer for CIAM at Barclays, where you will support the acceleration of a new digital platform capability, transforming and modernising our digital estate to build a market-leading digital offering with customer experience at its heart. This is an exciting and key role, partnering with business aligned engineering and product teams, to ensure More ❯

Find out more about being a Software Engineer in the Partnership, and the technology we use: https://engineering-principles.jlp.engineering/principles/At a glance Contract type - This position is a permanent contract. Salary - £75,000 - £120,000 Flexible Working: This is a hybrid working role, therefore your time will primarily be split between working from home … needs may require more frequent attendance. Our offices are open five days a week for those who prefer to work from the office more regularly. Key Responsibilities: As a Principal Engineer, you will play a pivotal role in aligning the engineering strategy and roadmap for John Lewis shops and contact centres with the overarching business objectives. Your influence … as Product Leads, Delivery and Operations Managers, Infrastructure Leads and Enterprise Architects as well as Senior Staff Engineers and specialist engineering teams. You will also work closely with other Principal Engineers who may be responsible for other business areas or for deep engineering specialisms such as cloud or data. Successful candidates will have a passion for using technology to More ❯

drive innovation? Does the prospect of working with top engineering talent get you charged up? If so, Amazon Finance Technology (FinTech) is for you! We are seeking an exceptional Principal Engineer to architect next-generation tax compliance foundational services that serve Amazon's global operations. Are you passionate about building systems that can automatically adapt to evolving regulations … You must be able to communicate complex technical concepts clearly, influence across organizations, and make difficult trade-off decisions that balance innovation with operational excellence. Key job responsibilities This Principal Software Engineer positions leads multiple teams to build an architecture that is well connected with the overall Amazon ecosystem. They deliver customer value through a combination of incremental More ❯

business, understand our clients' needs and maintain our professional, supportive and entrepreneurial working culture that we all enjoy. What You'll Do We're looking for a highly skilled Principal Engineer with a passion for data, cloud technologies, and building robust, scalable solutions - who also brings strategic product thinking and cross-functional leadership . In this role, you More ❯