19 of 19 Principal Software Engineer Jobs in London

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Principal Software Engineer/Developer (C# .Net AWS Python) London/WFH to £120k Would you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence … progression? As a Principal Software Engineer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be an advocate of best practice and ensure software ...

## Principal AI Software Engineer, Senior Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: May 25, 2026 (13 days left to apply)job requisition id: 26960138Are you looking for a career move that will … heart of a global financial institution? We are seeking an exceptionally skilled Principal AI Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands-on individual contributor role demands expert knowledge of Python fundamentals, a profound understanding ...

Energy Trading - Principal Software Engineer London About Indicium AI Indicium AI is trusted by the world's leading enterprises to deliver AI into production at scale. We are a global AI-native consultancy with proven experience across Financial Services, Energy & Utilities, Healthcare & Life Sciences, Retail … partners - including Anthropic, Databricks, AWS, OpenAI, and Microsoft - to deliver modern AI with speed and measurable impact. Overview Indicium AI are seeking an exceptional Principal Software Engineer to lead delivery of exciting engagements within our Energy & Commodities Trading sector. This role demands a unique combination of hands ...

Principal Engineer Post-Purchase & Fulfilment | London (Hybrid) | Up to £155,000 Principal Engineer's! Own the end-to-end architecture of how a physical product moves from factory floor to customer doorstep. Design led consumer brand with over 30 million customers worldwide. This is a rare ...

Embedded Software Engineer | Medical Devices | Linux + C++ | Hybrid (3 Days Onsite) Planet Pharma are looking for a highly skilled Embedded Software Engineer to join an innovative team developing next-generation medical and computing devices used in hospital operating rooms. This is a hands-on engineering … role focused on embedded Linux systems, hardware integration, and low-level software development within a multidisciplinary environment spanning embedded systems, cloud platforms, computer vision, and application software. 🔧 What You’ll Be Doing: • Developing and productizing embedded software for custom hardware platforms • Working closely with hardware teams on kernel ...

Senior/Principal Software Engineer Application Deadline: 31 May 2026 Department: Software Engineering Employment Type: Permanent Location: London (Hybrid) Compensation: £70,000 - £100,000/year Description Please note: This role requires applicants to hold active, or recently active, SC or DV clearance. This role also … kind that have to be secure, scalable, and actually usable by the people who rely on them. We’re looking for Senior and Principal Engineers who want to shape meaningful systems, influence technical direction, and work alongside capable people who care about doing the job properly. You’ll help ...

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 ...

data platforms for some of the most sophisticated trading environments globally. Following significant growth within their trading practice, they are looking to hire a Principal Software Engineer to lead complex, high-impact client engagements across data, AI, and software engineering initiatives. This is a senior, highly … modern cloud-native engineering, distributed systems, streaming technologies, and advanced data platforms. Key areas include: Real-time and event-driven systems Distributed data and software platforms Cloud-native engineering and architecture Streaming and intraday analytics platforms AI-enabled engineering solutions Modernisation of trading technology ecosystems This role would suit ...

PURPOSE OF THE ROLE Join the BBC's Data Sourcing teams and help shape the future of our streaming and analytics platforms. As a Principal Software Engineer, you'll provide technical leadership across critical ingestion and real-time data systems, helping teams deliver scalable, resilient, and high … continued evolution of the BBC's real-time streaming and data platforms, helping improve scalability, resilience, and operational maturity. Work closely with other Principal Engineers and technical leaders to maintain high engineering standards and support consistent technical practices across teams. Help teams design and deliver scalable cloud-based services ...

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 ...

shaping architecture, improving products and unblocking delivery. Solve complex engineering problems and drive best practice across the organisation. Requirements 5+ years' experience as a Principal Software Engineer (or similar) in an enterprise environment. Proven track record leading across multiple engineering teams and specialties. Experience with Event-driven ...

shaping architecture, improving products and unblocking delivery. Solve complex engineering problems and drive best practice across the organisation. Requirements 5+ years' experience as a Principal Software Engineer (or similar) in an enterprise environment. Proven track record leading across multiple engineering teams and specialties. Experience with Event-driven ...

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, and reliability of our robotic systems. Responsibilities: Defining software architecture for robotic mobility, manipulation, autonomy, and platform tooling; Developing and maintaining production-grade software in Modern C++ and Python for embedded Linux environments; Designing APIs, abstractions, and reusable libraries that support reliable and scalable robotic systems; Building ...

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 ...

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 … grade experience - or leastPoC forLLM's They will be creating agents and creating code that can run on production as AI agents Customer facing software/platform re-write experience Deep technical expertise in modern and AI-driven systems (engineering and architecture levels) Ownership of end-to-end, scalable ...

clients and with the communities in which we work and live. It is personal to all of us.” – Julie Sweet, Accenture CEO Accenture Software & Platform Engineering is over 1,000 people strong and provides end-to-end product engineering solutions which deliver tangible value, fast. We bring together … offer an exciting career working in a vibrant environment, with access to training and a global network of experts. As part of our Software & Platform Engineering team, you’ll be working with cutting-edge technologies and will have the opportunity to develop a wide range of new skills ...

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 ...

other basis as protected by applicable law. About us Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems. Our vision … diversity, embrace new perspectives, and foster an inclusive work environment; we back each other to deliver impact. The role We’re seeking an exceptional Principal Application SW Engineer to join our Japan‐based team within the Application Software team, focused on localising and advancing Wayve’s autonomous ...