11 of 11 Principal Software Engineer Jobs in London

Principal Software Engineer/Developer (TypeScript Node React AWS) London/WFH to £110k Are you a full stack technologist? You could be progressing your career in a hands-on technical leadership role at a well established consumer facing financial services company that help people to manage … volunteering days per year Opportunity to make an impact as part of new team in a role you can shape Your role: As a Principal Software Engineer you will act as a technical authority and role model for engineers across engineering teams/Agile Squads, helping them ...

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 About the Company: A publicly-traded fintech (NYSE-listed) operating one of the world's most-visited platforms for finance news and data, serving millions of users globally. The engineering team is responsible for infrastructure that handles high-volume real-time market data … decisions that directly impact system performance and user experience. Requirements: 8+ years backend development experience with demonstrated technical leadership as Lead/Staff/Principal Engineer Deep expertise building and operating large-scale distributed systems in production Polyglot engineering background; strong proficiency in Node.js or Golang preferred Hands ...

Principal Software Engineer | Front End (React) | London, Hybrid Our client is a forward-thinking global firm redefining the future of finance through technology. They are looking for a Principal React Engineer who can set the technical direction for the front-end, champion best practices … without ego. Curious, always learning, and keen to improve both the codebase and the way the team works. If you are interested in this Principal Software Engineering Role , please respond to this advert directly with your updated CV or email it to chantelle.smith@sourcegroupinternational.com ...

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 ...

Principal Software Engineer | Python, AWS | London, Hybrid Our client is a global investment manager with a strong footprint across major financial centres. They manage multi-asset, commodities, and derivatives strategies for institutional and wholesale clients worldwide. The environment combines the scale and stability of an established asset … driven technology Close collaboration between trading, quant research, risk and technology teams The firm is now looking for a strong, passionate and experienced Python Engineer to join the Front Office Investment Technology team. They are re-architecting the stack to be cloud-native on AWS , with Python ...

Principal Embedded Engineer About the Role An exciting start-up disrupting the consumer hardware industry is building a new category of AI-native devices. Firmware sits at the core of their products, and they are looking for a Principal Embedded Engineer to help build the embedded … Scale & Longevity - Implement OTA update systems, rollback strategies, version control and diagnostics to support large fleets of devices in the field. Bridge Hardware & Software - Collaborate closely with hardware engineers, designers and backend teams to ensure firmware supports the intended product experience. Set the Embedded Standard - Define firmware architecture, tooling ...

Senior/Principal Software Engineers – .NET, Azure, SQL 🌳🌳🌳 Scotland/UK Remote | AI-Driven SaaS Environment | £65,000–£85,000 + Benefits 🚀 High-growth, award-recognised SaaS organisation continuing significant investment in product and engineering capability. This senior hire will play a key role in evolving a complex … engineering teams 🌳 Mentoring and raising technical standards 🌳 Navigating ambiguity in a fast-moving scale-up setting This is suited to an experienced Senior or Principal-level engineer comfortable influencing both technical direction and delivery outcomes. 🌳 Technical Environment Strong experience expected in: 🌳 .NET (Framework and/or Core) 🌳 Azure ...

Senior/Principal Software Engineers – .NET, Azure, SQL 🌳🌳🌳 Scotland/UK Remote | AI-Driven SaaS Environment | £65,000–£85,000 + Benefits 🚀 High-growth, award-recognised SaaS organisation continuing significant investment in product and engineering capability. This senior hire will play a key role in evolving a complex … engineering teams 🌳 Mentoring and raising technical standards 🌳 Navigating ambiguity in a fast-moving scale-up setting This is suited to an experienced Senior or Principal-level engineer comfortable influencing both technical direction and delivery outcomes. 🌳 Technical Environment Strong experience expected in: 🌳 .NET (Framework and/or Core) 🌳 Azure ...

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 ...