151 to 175 of 277 Legacy Systems Jobs in London

teams offer you an environment that will present you with exciting challenges - be it through the support and further development of legacy systems or the introduction of modern technologies such as AI, machine learning and highly automated trading applications.Your Role in the TeamYou will join an international ...

third-party tools, and making build-vs-buy recommendations with clear technical and commercial criteria. Experience maintaining and evolving complex legacy systems at scale. Backend fluency - you don’t need to be full-stack, but you’re comfortable following a request deep into the API layer ...

Data Platform Engineer in London. You will scale and operate a data lakehouse powering internal analytics and data products, migrating from legacy systems and building reusable data pipelines. You will design templates, lead ETL and data modelling efforts, and collaborate with product/commercial teams to turn ...

leads a global team delivering digitization, risk reduction, and scalable client experiences. You will drive target architecture, modernize legacy systems, implement CI/CD, DevOps, and agile practices, and partner with operations, product, and regulators to enable growth and efficiency. #J-18808-Ljbffr ...

across technology, commercial, and operations teams to deliver value. You will influence product roadmaps, define metrics, and help migrate customers from legacy systems to Nexus Plus, ensuring a seamless experience and measurable business impact in an AI-enabled #J-18808-Ljbffr ...

business partners. You will mentor engineers, drive CI/CD, and ensure production reliability while exploring AI tooling to modernize legacy systems and expand eTrading capabilities for Credit Sales and #J-18808-Ljbffr ...

serverless functions, and manage Identity with Entra ID, MFA, and RBAC, along with data and API integrations to connect legacy systems and third-party services. #J-18808-Ljbffr ...

contract in London. The role includes supporting a crucial upgrade of the FactSet B-One performance application by reconciling positions and transactions across legacy and target systems. The ideal candidate will have strong experience in investment performance measurement, advanced analytical skills, and hands-on experience with data validation ...

Salary for this role is dependant on your experience, you'll also receive bonus + benefits About The Role We're sunsetting our legacy system used by our clients and moving into a more sleek, advanced system where our clients can bid for advertising space, control the graphics ...

Analysis: Monitor data flow to ensure security policies do not break business applications. Risk Mitigation: Isolate critical assets, IoT devices, and legacy systems from the main corporate network. Collaboration: Work with security teams to respond to incidents and audit network boundaries. Essential 5+ years' experience in enterprise ...

. Along with, data management and API integration overseeing the creation of secure RESTful APIs to connect the member app with legacy systems, CRM platforms, or third-party services. Platform Architecture Design Azure-based hosting platforms. Design Kubernetes and AKS solutions. Define hybrid-hosting architectures. Develop high ...

. Along with, data management and API integration overseeing the creation of secure RESTful APIs to connect the member app with legacy systems, CRM platforms, or third-party services. Platform Architecture · Design Azure-based hosting platforms. · Design Kubernetes and AKS solutions. · Define hybrid-hosting architectures. · Develop high ...

Analysis: Monitor data flow to ensure security policies do not break business applications. Risk Mitigation: Isolate critical assets, IoT devices, and legacy systems from the main corporate network. Collaboration: Work with security teams to respond to incidents and audit network boundaries. Essential 5+ years' experience in enterprise ...

that accommodates individual and family needs Competitive salary and stock options program Sanity.io is a modern, flexible content operating system that replaces rigid legacy content management systems. One of our big differentiators is treating content as data so that it can be stored in a single source ...

family needs. Competitive salary and stock options program. Who we are: Sanity.io is a modern, flexible content operating system that replaces rigid legacy content management systems. One of our big differentiators is treating content as data so that it can be stored in a single source of truth ...

transformation-first engagement model with prospective and existing enterprise customers — leading with platform capability and operational best practice rather than collecting lists of legacy-system requirements Develop transformation frameworks, operational blueprints, and change readiness tools that help enterprise dealer groups understand what operating on ARC looks like ...

biggest technology transformations in its history. For decades, placing insurance and reinsurance business has relied on fragmented processes, legacy systems and manual documentation. Today, that is changing and Whitespace, our client business, is helping lead that transformation. We're now looking for an experienced Analysis Team Manager ...

trillion on benefits every year. It's their second-largest cost after payroll — yet the entire category is still running on legacy systems and outdated assumptions. AI-first startups have almost completely overlooked it, and incumbents, constrained by decades-old tech stacks, simply can't move fast ...

that will underpin the firm's systematic trading ambitions. You will work directly with a hiring manager whose background spans HFT, ultra-low-latency systems, kernel optimisation, network infrastructure, and exchange connectivity. The Opportunity You will be responsible for designing and building the performance-critical infrastructure that powers … firm's next-generation systematic trading platform, including: Ultra-low-latency trading and execution systems Market data handlers, feed processing, and normalisation pipelines Exchange connectivity, order gateways, and routing infrastructure High-performance distributed systems Event-driven architectures operating under strict latency constraints Performance-sensitive C++ components where microseconds ...

Business Partner to executives across diverse business verticals, this individual translates commercial strategy into seamless, scalable technology roadmaps. Backed by deep expertise in systems engineering and core enterprise infrastructure, the Director leads cross-functional teams, orchestrates complex multi-track programs, and ensures that technology investments deliver measurable business value … alignment, manage organizational change management (OCM), and communicate technology vision effectively to both technical and non-technical audiences. Technical & Infrastructure Leadership Leverage strong foundational systems engineering expertise to evaluate, design, and modernize enterprise IT infrastructure (Cloud, Data Center, Network, Identity & Access Management, Security, Collaboration systems). Oversee infrastructure ...

Cardiff, Exeter and Chelmsford. Our multidisciplinary services spans across multiple disciplines. Our Group offerings now include Planning, Environmental Impact Assessment (EIA), Ecology, Geographical Information Systems (GIS), Landscape Architecture, Architecture & Design, Arboriculture, Visualisation, Historic Environment, Acoustics, Air Quality, Civil Engineering, Geo-environmental, MEP Building Services, Structures, Sustainability, Transport & Highways, Utilities … business first. We are looking for someone who will earn credibility through that grounding, then be trusted to lead on a finance systems migration and broaden into a group-wide partnering role. You will partner with the business throughout; the three phases below describe where the emphasis sits ...

agents are authenticated, authorised, and governed. Lead the ongoing modernisation of BCG's enterprise identity infrastructure, transitioning legacy directory and access systems to a scalable, cloud-native, zero‐trust identity fabric. Develop and publish BCG's Agentic Identity framework — including standards, patterns, and controls for non‐human … infrastructure and simultaneously charting the future of agentic AI identity management, this leader will set the standard for how BCG secures its people, its systems, and its autonomous agents. Boston Consulting Group is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race ...

engagement centred around defining future-state architecture and migration strategies for business-critical platforms. You'll be responsible for assessing complex, highly customised legacy environments, identifying viable upgrade and transformation options, and helping shape a long-term technology roadmap. The programme involves evaluating migration pathways across Oracle technologies … Level Designs (LLDs) Defining future-state architectures and target platform strategies Assessing upgrade, remediation and migration approaches for legacy enterprise systems Developing architecture recommendations and supporting stakeholder workshops Creating transformation roadmaps and supporting technical planning activities Working closely with infrastructure, security, DBA, delivery and functional teams Identifying ...

background. The successful candidate must have strong experience in Microsoft Teams Voice administration and end-to-end UC migrations , particularly transitioning services from legacy voice platforms (PSTN, Avaya, etc.) to MS Teams . This is an on-site role across East London, Luton, and Bedfordshire , with frequent travel … certified handsets (Yealink or equivalent). Apply best practice for numbering, naming conventions, and governance. Telephony Migrations & Support Migrate services from legacy systems (Avaya, BT, MSD, PSTN, etc). Coordinate number PORTs with telco suppliers and ensure smooth cutovers. Test inbound/outbound routing, call flows ...

maintain our internal MCP factory to rapidly develop custom MCPs across a wide range of tools • Integrate with both modern and legacy systems to help Ravical become fully tool agnostic • Act as the technical bridge between client teams and Ravical's internal engineering and product teams • Translate … high ownership Who you are • 5+ years of backend or full-stack experience, ideally in Python and TypeScript • Strong background integrating APIs, legacy platforms, and fragmented client ecosystems • Clear, proactive communicator who can manage technical and non-technical stakeholders • Comfortable with ambiguity, autonomy, and regular travel to client ...