76 to 100 of 132 Legacy Systems Jobs in London

that powers the entire engineering organisation. This is a genuinely high-impact role in a greenfield environment, where you’ll help shape the build systems, developer workflows, and CI infrastructure from the ground up. What you’ll be working on: • Designing and owning Bazel rules and extensions • Scaling … closely with teams across AI/ML, Runtime, Simulation, Compilers, and Hardware Why this role stands out: • Greenfield environment with no legacy systems • Huge technical variety across software, ML, infrastructure, and hardware • High ownership and visibility across the business • Opportunity to define how engineering operates ...

latest AI tools and models, partner technical teams, and early capability previews that the wider market does not. We are deploying production AI systems into the world's most complex organisations across Financial Services, Energy, and Healthcare. We exist to make AI a genuine competitive advantage for our clients … where you built and shaped teams A true lifetime software engineer – you have written production code across your career, led architecture decisions on complex systems, and built engineering cultures that ship Deep passion for how AI is transforming software engineering – you are already using AI native development tools ...

trading firms face unique challenges – from working with complex physical assets and managing power purchase agreements to adopting new renewable energy sources – but legacy technology and fragmented workflows hold them back.Beacon provides a comprehensive, real-time view of the markets and holdings, allowing traders, risk professionals, and quant … investment management with the industry’s most comprehensive cloud-native platform for institutional investors across global public and private markets. While legacy systems create risk, inefficiency, and data fragmentation, Clearwater’s single-instance, multi-tenant architecture delivers real-time data and AI-driven insights throughout the investment ...

leader for the role of SVP of Engineering/EMEA CTO in Greater London. This role involves leading the transition from legacy systems to a cloud-native, AI-first SaaS platform, with a focus on embedding AI/ML solutions across product offerings. The ideal candidate will ...

Would you like to freedom to build solely AI solutions and AI agents? No legacy systems holding you back, no endless approval chains. Just you, your expertise, and the freedom to do your best work. This is your chance to work at the cutting edge. ...

modernise a core operational platform. Central to this is the design and build of a new, secure application and data environment, replacing a legacy system that has been in place for a number of years. This is a high-stakes programme operating within a sensitive environment. The organisation ...

including building teams, developing talent, and leading through ambiguity and change. Experience working across federated or group structures, with multiple operating entities and legacy systems. Familiarity with modern analytics, data platforms and emerging techniques (e.g. advanced analytics, AI‐enabled insight), with a pragmatic understanding of their risks ...

role in shaping a modern, integrated finance and technology landscape. Our client is investing in a major programme to replace legacy systems and implement Workday across the organisation. As part of this journey, they are establishing a permanent, in-house Workday capability to own, develop and support ...

device strategy, hardware procurement, or managed service environments. Background in logistics, operations, or field-based workforce environments. Experience in large, complex organisations with legacy systems. To apply for this Senior Project Manager position, please submit your CV and a member of the Talent team will be in touch. ...

likely already be working as one of the following: Xero Implementation Manager Xero Practice Manager/Practice Lead Cloud Accounting Manager (Xero-focused) Accounting Systems Implementation Manager Xero Specialist/Senior Xero Specialist Digital Accounting Manager (Xero-focused) What you'll be doing Leading end-to-end Xero implementations … client migrations Onboarding SMEs onto Xero from legacy systems Acting as the internal Xero subject matter expert Delivering Xero training for internal teams and clients Troubleshooting complex Xero setup, workflow, and integration issues Building scalable onboarding guides, FAQs, and training resources Improving implementation processes and reducing support ...

scale operational services. The team is a small, exceptionally talent-dense group of researchers and engineers. Instead of retrofitting AI onto legacy systems, they are building native infrastructure from scratch, moving at extreme speed, and shipping to production daily. The Role As a Staff Research Engineer … applied research team, or early-stage technology company. The "Seen-It-All" Mindset: Someone who can think up, architect, and execute complex systems end-to-end without needing hand-holding. Velocity & Agility: A builder who thrives on rapid execution—moving from a design doc on Monday to production ...

control and CCTV projects across the client’s portfolio. This position will involve supporting enterprise-level application implementations, managing migrations from legacy systems, and providing expert troubleshooting. The ideal candidate must excel in multitasking and thrive in a fast-paced, dynamic environment. This is an on-site … Oversee and execute the system configuration of the C-Cure and Victor servers for adding new or modifying existing installations Process the administration of systems, providing a robust triage service through a 24/7 Command Centre for all reported technical issues and manage any subsequent requirement and fault ...

moving quickly to scale its product, team, and customer base. They are building software that replaces manual workflows, spreadsheets, and legacy systems with modern tools that help real-world operations move faster. They are now looking for a FDE to work directly with customers, understand their workflows … What They’re Looking For Strong TypeScript experience Strong React or modern frontend framework experience Comfortable building backend services in Python Experience integrating AI systems into production products Strong product judgment and ownership mindset Comfortable speaking directly with customers, including non-technical users Happy working in a fast-paced ...

teams and driving the strategy for Agency Lending and Collateral Technology platforms. The successful candidate will oversee a major transformation from legacy systems to modern architectures, delivering innovative solutions that meet business needs. A strong background in financial services technology and leadership is essential. #J-18808-Ljbffr ...

role in shaping a modern, integrated HR technology landscape. Our client is investing in a major programme to replace legacy systems and implement Workday across the organisation. As part of this journey, they are establishing a permanent, in-house Workday capability to own, develop and support ...

across our ad-targeting, creative optimisation and advertising measurement capabilities. This position demands a hands-on engineer with deep expertise in operationalising machine learning systems, a strong understanding of cloud infrastructure, ML lifecycle management, and production monitoring. You will work closely with Data Scientists, Data Engineers and Product teams … innovative AI/ML & data-driven product environment. 3 best things about the job Build from Zero: You're not maintaining legacy systems-you're establishing the MLOps patterns, tooling and standards that will scale with the team for years to come. AI at the Core: This ...

Doing Building and shipping full-stack features from concept through to production Working directly with customers to understand workflows and pain points Designing scalable systems and product architecture Building AI-powered user experiences and workflows Collaborating closely with founders and senior leadership on product direction Making high-impact technical … software engineering experience Strong full-stack development experience Excellent TypeScript skills Experience with modern frontend frameworks (React, Next.js or similar) Experience building backend systems (Node.js, NestJS or similar) Strong product intuition and customer empathy Proven ability to operate autonomously and drive outcomes Experience working in fast-paced startup ...

transformation of its trading and post-trade infrastructure. The programme centres on the implementation and consolidation of the Calypso platform, replacing legacy systems and establishing a single strategic platform across multiple asset classes. We are seeking an experienced Programme Director/Transformation Lead to take ownership ...

solutions, and a deep understanding of modern architecture patterns. This position offers an opportunity to be at the forefront of transforming legacy systems into a modern, data-driven architecture. #J-18808-Ljbffr ...

shaping and delivering the organisation’s technology, architecture and data strategy. This person will lead multiple technical functions, drive modernisation of legacy systems, elevate data capabilities and ensure high-quality delivery across both internal teams and external suppliers . Experience Requir edStrong background across architecture, software engineering ...

essential Strong track record of implementing Xero for small business clients Experience supporting clients through full Xero setup and migrations from legacy systems Ability to troubleshoot and resolve complex Xero-related issues Experience delivering structured training to internal or external stakeholders Excellent communication skills, with the ability ...

Shopify Plus Platinum partner, excels in resolving complex e‐commerce challenges. We focus on integrating large catalogs, sophisticated data frameworks, and legacy systems into seamless unified commerce and B2B solutions, delivering unparalleled customer experiences. Our skill in deploying Shopify Plus caters to top‐tier merchants in manufacturing ...

working with a client who are seeking an experience Solution Architect with strong background in leading the architectural design for the replacement of legacy systems. Key Responsibilities: 'As-Is' Architecture Baseline: Work closely with the existing technical experts to decode and document the complex, often undocumented ...

auditability. Design data governance, security, access control, and compliance frameworks for insurance data. Support cloud migration, data warehouse modernisation, reporting transformation, and legacy system decommissioning initiatives. Review technical designs, data models, ETL/ELT pipelines, and engineering implementation. Provide architectural guidance to data engineers working on Azure Databricks … Implement job orchestration using Databricks Workflows, Airflow, AWS Step Functions, or similar tools. Manage secrets, environment variables, and secure connections. Support migration from legacy Hadoop/Spark platforms to Databricks on AWS, if required. 'We are a Disability Confident Employer: Capgemini is proud to be a Disability Confident ...

influence over the product, technology and wider company direction. You won’t be joining a heavily layered corporate environment or maintaining legacy systems with little visibility over impact. The team is lean, collaborative and highly product-focused, with close working relationships across founders, product, engineering and operations. … There is genuine opportunity to: • Build products and systems from the ground up • Shape how the platform evolves as the business scales • Solve complex real-world operational problems • Influence product direction and decision-making • Operate with high ownership and autonomy • Work closely with founders and senior stakeholders • Have visible ...