11 of 11 Principal Software Engineer Jobs in London

Principal Software Engineer - Up to £270k - Series A Scale-Up - Python, AWS I’m working on a really interesting platform scaling hire for a fast-growing Series A AI/fintech company in London. They’ve built a product that processes millions of sensitive financial documents … built for scale.” This role will work closely with the CTO and Head of Engineering and take real ownership of the core backend systems. Principal Software Engineer - Up to £270k - Series A Scale-Up - Python, AWS Key challenges include: • Designing backend abstractions so a small engineering team ...

Principal Software Engineer – AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation … create something new. Key Responsibilities Build innovative MVPs to validate ideas and accelerate learning Lead the design and implementation of scalable, high-performance software systems Collaborate closely with Product, Design, QA, and Engineering teams Evaluate, experiment and recommend new technologies, frameworks and tools Mentor and coach engineers to create ...

Principal Software Engineer - AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation ...

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 ...

Principal AI Engineer Up to £110,000 + Bonus Hybrid | London We’re partnered with a global leader in loyalty and customer engagement, looking for a Principal AI Engineer to join their London team. This role will include delivering customer centric solutions and scale production-grade … closely with the Head of AI Labs, you’ll lead the delivery of advanced AI systems that deliver real business impact. Responsibilities as a Principal AI Engineer: Lead end‐to‐end delivery of scalable, resilient AI/ML pipelines aligned to business goals. Build and deploy advanced ...

Office - Full time hours We are happy to discuss flexible working! Top 3 skills needed for this role: AI-Augmented Engineering Leadership Enterprise-Scale Software Architecture Engineering Governance in Regulated Environments What this role is all about: Our Software Engineers play a critical role in Vitalitys successful business … model by building and maintaining software solutions, in 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 ...

Office - Full time hours We are happy to discuss flexible working! Top 3 skills needed for this role: AI-Augmented Engineering Leadership Enterprise-Scale Software Architecture Engineering Governance in Regulated Environments What this role is all about: Our Software Engineers play a critical role in Vitality’s successful … business model by building and maintaining software solutions, in 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 ...

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 ...

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 ...

Office - Full time hours We are happy to discuss flexible working! Top 3 skills needed for this role: AI-Augmented Engineering Leadership Enterprise-Scale Software Architecture Engineering Governance in Regulated Environments What this role is all about: O click apply for full job details ...

Founding Engineer | AI Startup | London (In-Office 5 Days/Week) | Up to £160k Base We’re hiring a Founding Engineer for a high-growth Series A AI startup building and shipping AI products end-to-end. This is a rare opportunity to join an ambitious team … AI. A strong product mindset and customer focus. Confidence working in fast-moving, ambiguous environments. Nice to have Founder, co-founder, or founding engineer experience. Customer-facing experience or strong exposure to customers. Full-stack experience in Python or TypeScript. Experience with modern cloud infrastructure, including Kubernetes, serverless ...