16 of 16 Remote/Hybrid Principal Software Engineer Jobs in London

Principal Software Engineer/Developer (Python AI) London/WFH to 120kDo you have expertise with backend Python combined with a strong knowledge of Agentic AI You could be progressing your career at an established FinTech business specialising in automated investment reporting .As a Principal Software Engineer you'll be in a product focused engineering role, combining hands-on Python development with technical ownership. You'll lead projects end to end, shape architecture and drive the delivery of new product capabilities, working across backend engineering, data processing and complex financial systems.The business is also ...

Principal Software Engineer/Developer (Python AI) London/WFH to £120k Do you have expertise with backend Python combined with a strong knowledge of Agentic AI? You could be progressing your career at an established FinTech business specialising in automated investment reporting . As a Principal Software Engineer you'll be in a product focused engineering role, combining hands-on Python development with technical ownership. You'll lead projects end to end, shape architecture and drive the delivery of new product capabilities, working across backend engineering, data processing and complex financial systems. ...

Principal Software Engineer/Developer (Python AI) London/WFH to £120k Do you have expertise with backend Python combined with a strong knowledge of Agentic AI? You could be progressing your career at an established FinTech business specialising in automated investment reporting . As a Principal Software Engineer you'll be in a product focused engineering role, combining hands-on Python development with technical ownership. You'll lead projects end to end, shape architecture and drive the delivery of new product capabilities, working across backend engineering, data processing and complex financial systems. ...

Principal Software Engineer Department: Technology Employment Type: Permanent - Full Time Location: London Reporting To: Head of Engineering Description Defaqto is one of the most trusted names in UK financial services research and ratings, and our technology turns deep market data into decisions that advisers, providers and consumers … rely on every day. The credibility of that output rests on the quality of our engineering. We are looking for a Principal Software Engineer to be the most senior individual contributor in our Technology function. Reporting to the Head of Engineering and working closely with ...

emerging capabilities such as AI to ensure we're building experiences that delight customers while enabling the business to move at pace. As a Principal Software Engineer, you'll help shape the technical direction of our front-end and digital platforms, influence engineering standards across the organisation … that directly influences the experience of millions of customers and helps drive the future growth of Very. About the roleWe're looking for a Principal Software Engineer to provide technical leadership across our engineering community whilst remaining hands-on with design, architecture and delivery. This ...

looking for an experienced Principal Software Engineer to join a growing technology business developing complex autonomous systems. Reporting directly to the CTO, you'll combine hands-on engineering with technical leadership, shaping architecture, supporting engineers and facilitating Scrum delivery. Experience developing software in mission-critical … safety-critical real-time environments is essential. Ideally, you'll bring experience in autonomous systems, robotics or flight software, within aviation, aerospace, drones/UAVs, autonomous vehicles, MOD/defence or similar. This role could also be suited to Quant Engineers with experience working across real-time systems. Location ...

looking for an experienced Principal Software Engineer to join a growing technology business developing complex autonomous systems. Reporting directly to the CTO, you'll combine hands-on engineering with technical leadership, shaping architecture, supporting engineers and facilitating Scrum delivery. Experience developing software in mission-critical … safety-critical real-time environments is essential. Ideally, you'll bring experience in autonomous systems, robotics or flight software, within aviation, aerospace, drones/UAVs, autonomous vehicles, MOD/defence or similar. This role could also be suited to Quant Engineers with experience working across real-time systems. Location ...

Compliance (formerly DRS) audits every worked hour against working-time legislation and NHSE standards so that payroll is exact. About the Role As our Principal Engineer, you will lead all core software engineering work across the entire Lantum platform and service architecture to scale Lantum’s next … covers back-end, front-end, architecture, infrastructure, DataOps, AI SDLC, and security realms and disciplines. Responsibilities you own core, end-to-end software engineering processes and infrastructure; you ensure that our existing core revenue-generating systems run without interruption under strict SLAs while optimising them, expanding their capabilities ...

annum + Benefits London Permanent We're looking for an experienced Principal Software Engineer to join a growing technology business developing complex autonomous systems.Reporting directly to the CTO, you'll combine hands-on engineering with technical leadership, shaping architecture, supporting engineers and facilitating Scrum delivery.Experience developing software in mission-critical or safety-critical real-time environments is essential. Ideally, you'll bring experience in autonomous systems, robotics or flight software, within aviation, aerospace, drones/UAVs, autonomous vehicles, MOD/defence or similar.This role could also be suited to Quant Engineers with experience working across ...

Senior/Principal Software Engineer Application Deadline: 30 October 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 ...

McNally Recruitment Ltd is seeking a Principal Engineer to join a large UK client in Edinburgh or London, with 6 days in the office per month and the rest remote. You will design and engineer software with customer experience at the forefront, contribute to architecture … engineering excellence, and collaborate to enhance the bank's software capabilities. You will lead engineering teams, drive architecture roadmaps, and deliver end-to-end solutions leveraging Java, Spring Boot, ReactJS and #J-18808-Ljbffr ...

Strategic Enterprise Technology Leadership Recognised Java Engineering Expertise Advanced Architecture & Systems Integration Capability What this role is all about We're looking for a Principal Software Engineer to join Vitality's Engineering function, providing technical leadership across complex enterprise platforms and customer-facing solutions. This … highly influential role responsible for shaping engineering standards, driving architectural decisions, leading large-scale technical initiatives and ensuring the successful delivery of integrated software solutions that support critical business outcomes. The role operates across multiple teams and works closely with senior stakeholders, architects and third-party partners to deliver ...

Gloucester, and Manchester (England); we are committed to investing in British careers and technology development. Role & Responsibilities You will be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Design and build software … sector this team is working in, we require all candidates to hold an active eDV clearance for this role. Location: London, Permanent, Onsite. Role: Principal Software Engineer. About Raytheon UK, an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. ...

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 ...

critical foundations driving that transformation.You'll be working as part of a small and highly efficient team on all parts of cloud infrastructure and software lifecycle. Reporting directly into our Director of Engineering to help manage and create stability to all cloud and infrastructure tasks around the Training … operate, manage and refine research, development, and production cloud infrastructure (GCP, K8s, Docker, Terraform, Kapitan, etc.)Develop and manage tools and processes to enhance software development practicesContribute to core technical decisions (e.g. choice of tooling, infrastructure, and architectural design)Partner and collaborate with a diverse set of teams including ...

solve all disease with the help of AI.Your impact This is an exciting opportunity for a small number of innovative and versatile software engineers to work in a fast-paced and research-centric environment. You will collaborate extensively with internal engineering and research teams to evolve the foundational infrastructure ...