11 of 11 Principal Software Engineer Jobs in the City of London

Principal Software Enginee r Location: London (Hybrid – approx. 1–2 days per month onsite) Contract: Permanent, Full-time Package: £80,000–£100,000 + 10% bonus + 10% share options + benefits Eligibility: UK Security Clearance (SC) eligibility required The Opportunity We’re working with a specialist cloud … platform engineering consultancy that partners with organisations across regulated and public-sector environments to modernise how software is built and operated. The business is expanding its software engineering capability and is hiring a Principal Software Engineer to play a key role in shaping technical direction ...

Principal Software Engineer London - 4 days onsite £110k - £140k + Benefits We're hiring for one of the UK's fastest growing fintech scaleups, where reliability is a competitive advantage not a luxury. As a Principal Software Engineer you will be providing deep technical … leadership alongside being extremely hands on as part of a platform team. Principal Engineers will set technical directions, drive engineering standards and strategy while remaining deeply embedded in implementation and operational excellence. Responsibilities: Architect and implement highly available, multi-region infrastructure services Define resilience patterns across services (failover, circuit ...

Principal Software Engineer London - 4 days onsite £110k - £140k + Benefits We're hiring for one of the UK's fastest growing fintech scaleups, where reliability is a competitive advantage not a luxury. As a Principal Software Engineer you will be providing deep technical ...

blockchain have the power to fundamentally change the art world by creating greater choice, independence, and opportunity for artists, creators, and collectors. The Role: Principal Software Engineer At the Principal level, engineers are expected to master their immediate domain and have broad impact across other engineering … teams. This person will define technical direction, unblock and mentor teammates, and tackle the most complex system and architectural challenges. Principal engineers are distinguished by their organization‐level impact and focus on high‐leverage activity, in addition to direct code contribution. Beyond pure technical focus, Principals bridge ...

Principal Software Engineer (Solutions Architect) About HL And The Opportunity We're building the next generation platform for one of the UK's largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to shape technology … future of investing. Shape it with us. What You'll Be Doing Set technical direction: Define & maintain Front-End/Web and mobile software architecture and patterns, engineering standards and the 'right way' to build greenfield HL state of the art web and mobile applications. Own a technical 'opinionated ...

field of AI. Join our close-knit, global team and help us build the future of AI infrastructure! Job Description As a Software Engineer focused on Network and SDN, you’ll design and build the software systems that define, automate, and operate Ori’s network fabric. … work at the intersection of software engineering, distributed systems, and networking — writing the tools, controllers, and services that enable Ori’s global high-performance infrastructure to scale dynamically across multiple data centres and clouds. The ideal candidate is a hands‐on software engineer with experience of automating ...

Principal Software Engineer (Solutions Architect) About HL And The Opportunity We're building the next generation platform for one of the UK's largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to shape technology ...

leading crypto platform in London seeks a Principal Software Engineer to define technical direction and tackle complex architectural challenges. The ideal candidate has 8-10 years of software development experience, primarily in Python. Responsibilities include influencing software architecture, maintaining operational excellence, and driving technical initiatives. ...

OverviewMesh-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-on technical excellence and deep domain expertise in trading environments. You will architect and implement critical solutions that … multiple asset classesArchitect solutions which are able to integrate market data feeds, position management systems, market fundamentals, P&L Risk and Back Office solutions.Establish software engineering best practices and coding standards for trading applications, upskilling more junior members of our delivery teamsPartner with client CTOs, Heads of Data ...

Principal Embedded Software Engineer £75,000 - £90,000 + equity London (3 days per week in office) Overview TalentEdge Technology are looking to hire a Senior Embedded Engineering Leader to take ownership of the firmware stack for a next-generation, AI-enhanced connected music hardware platform. This … role is hands-on and deeply technical, suited to an engineer who enjoys working across the full embedded stack, from low-level hardware bring-up through to cloud-connected features and who places a premium on robustness and real-world reliability. What You’ll Be Working On: Ownership ...

healthcare partners, wearables platforms, and pharmacy fulfillment systems Architect and implement member payment platforms, including fee collection, reconciliation, and financial reporting Define and enforce software engineering standards, including coding conventions, testing practices, and documentation Conduct rigorous code reviews focused on correctness, security, performance, and maintainability Mentor engineers and gradually … transition into line management as the engineering organization grows Minimum Qualifications 8+ years of experience as a Full-Stack Engineer delivering production systems, with track record at Senior or Principal level Proficiency across frontend and backend development, including modern web frameworks and API design Proven experience integrating with ...