26 to 50 of 277 Legacy Systems Jobs in London

role will focus on designing and building robust data pipelines, migrating data from a wide range of legacy and enterprise source systems, and establishing scalable data flows into Azure Data Lake and Databricks. A key part of the role will also involve integrating data into a proprietary … scale data migration and integration Oracle and/or Oracle Fusion data sources SharePoint data extraction and integration Working with multiple and varied source systems Data transformation, mapping and validation Designing data pipelines in environments where architecture and processes are still developing Key Responsibilities Design, build and maintain data ...

troubleshooting with the ability to think beyond routine or conventional approaches to build solutions or break down technical problems. Build and support AI-native systems to expand our eTrading capabilities, including the development of scalable AI platforms for trading and the modernization of incumbent systems with AI tooling. … with Credit Sales and Trading business partners to understand their strategy and establish technical solutions in partnership with Product teams. Architect and build new systems hands-on, leveraging AI-assisted coding and modern engineering practices. Develop secure, high-quality production code, and review and debug code written by others. ...

platform. Working directly with the Founders, you’ll use and help build Closeday’s purpose-built insolvency platform. No legacy systems, no legacy thinking. This is a hands-on case delivery role, backed by a supportive, experienced team and with a genuine trajectory towards ...

domain of emerging technologies and their best practices, with a focus on practical implementation and integration Shows a proficient understanding of existing data management systems and continuous learning to understand new data management systems Strong proficiency in hands-on development using industry-standard tools and languages (e.g. … data lake optimization Experience architecting and implementing enterprise-scale data warehouses on cloud platforms (e.g., AWS, Azure, GCP), including migration from legacy systems Advanced proficiency in designing and optimizing data models for analytics, reporting, and business intelligence use cases Demonstrated ability to automate data pipeline deployment ...

design, build, and operate scalable data pipelines and data products, enabling a modern data mesh architecture. The role focuses on integrating legacy systems with cloud-native platforms to support analytics, reporting, and domain-owned data products. Primary Skills Strong experience with Databricks (Spark, PySpark/… engineering best practices. Key Responsibilities Build and maintain batch and streaming data pipelines from legacy mainframe DB2 and on‐prem SQL Server systems into an AWS‐based data lake. Implement real‐time ingestion using Confluent Kafka and land data in Amazon S3. Develop data transformations and analytics ...

delivery Continuous improvement of payment performance, integration coverage, and customer experience Requirements Bachelor's degree or equivalent practical experience Strong grounding in analytical thinking, systems design, or technical disciplines Formal product management training is beneficial but not required 5+ years total experience in product management or closely related roles … Experience designing and shipping products for corporate customers and B2B users — finance, treasury, payroll, AP/AR, and operations teams Working knowledge of payroll systems, ERPs, and finance system integrations (e.g. NetSuite, SAP, Oracle, banking and treasury aggregators) Comfortable navigating enterprise buying, security review, change management, and rollout ...

drive significant advancements in our business operations and technology landscape. Our primary goal is to transition from our current reliance on legacy systems and specialized off-the-shelf tools to a more integrated, AI-driven, and data-centric operational model. Leveraging insights and guidance from our other … then build genuinely useful things on top of it. This is a two-sided role. On one side, you'll integrate: wiring third-party systems, internal apps and document storage into the environment we already have, setting sensible guardrails around access and cost, and adopting existing Group capability wherever ...

drive significant advancements in our business operations and technology landscape. Our primary goal is to transition from our current reliance on legacy systems and specialized off-the-shelf tools to a more integrated, AI-driven, and data-centric operational model. Leveraging insights and guidance from our other … then build genuinely useful things on top of it. This is a two-sided role. On one side, you'll integrate: wiring third-party systems, internal apps and document storage into the environment we already have, setting sensible guardrails around access and cost, and adopting existing Group capability wherever ...

Developer - Cloud Platform & AI We're recruiting for a Senior Software Developer to join a small, highly capable technology team delivering a major legacy-to-cloud transformation. The business is moving its core booking platform to an Azure and modern .NET solution, while also building an AI-powered … Blazor experience. Strong Azure experience, including App Service or Container Apps, Azure SQL, API Management and Azure DevOps pipelines. Experience modernising legacy systems, ideally using strangler-fig or similar incremental migration approaches. Good understanding of REST API design, microservices and event-driven architecture patterns. Practical ...

Developer - Cloud Platform & AI We're recruiting for a Senior Software Developer to join a small, highly capable technology team delivering a major legacy-to-cloud transformation. The business is moving its core booking platform to an Azure and modern .NET solution, while also building an AI-powered … Blazor experience. Strong Azure experience, including App Service or Container Apps, Azure SQL, API Management and Azure DevOps pipelines. Experience modernising legacy systems, ideally using strangler-fig or similar incremental migration approaches. Good understanding of REST API design, microservices and event-driven architecture patterns. Practical ...

modern CI/CD deployment practices. Deep understanding of data modeling, metadata management, and data lineage. Desirable Experience Experience migrating legacy systems into Azure or Microsoft Fabric . Prior background in Financial Services working on Governance, Risk, and Compliance (GRC) systems. Familiarity with data governance frameworks ...

collaborative and supportive working environment, and the opportunity to develop your career within our Technology & Transformation team while gaining hands-on experience across multiple systems, businesses, and technology disciplines. Here is a look at some of the things you will be doing Supporting technology implementations across Complii businesses, assisting … configuration and validation, and helping ensure new ways of working align with our Group-wide operating model Supporting data migration from legacy systems, gathering, cleansing, transforming, and validating data, assisting with system imports and reconciliation, and identifying and resolving data quality issues to support accurate and successful ...

drive significant advancements in our business operations and technology landscape. Our primary goal is to transition from our current reliance on legacy systems and specialized off-the-shelf tools to a more integrated, AI-driven, and data-centric operational model. Leveraging insights and guidance from our other … then build genuinely useful things on top of it. This is a two-sided role. On one side, you'll integrate: wiring third-party systems, internal apps and document storage into the environment we already have, setting sensible guardrails around access and cost, and adopting existing Group capability wherever ...

agile sprints. Your software becomes the reference implementation for scalable GenAI in the enterprise. You codify patterns, shape internal tooling, and accelerate innovation—delivering systems that are battle-tested in production and scalable across industries. Who You Are: You are a systems-minded, AI-native engineer who ships … deeply with customer teams, diagnose root problems, and architect AI-powered workflows that run at scale. You don’t just debug code—you debug systems, context, and customer pain points. You will: Build solution-ready LLM-enabled applications that span backend logic, data orchestration, and front-end UI Operate ...

very important for this position. Must be an excellent problem solver and adept writing documentation for all projects. You ideally have worked on banking systems particularly Core Banking. Responsible for the development and delivery of new systems to automate and streamline processes required by different departments. To support … internal IT department with changes and upgrades to software platforms. To be primary contact for all technical questions relating to in-house bespoke systems and interfacing. Analysis of issues pertaining to problems or errors raised by in-house systems, i.e. CORE, SharePoint interface, Equation, Kondor, Eximbills ...

growth strategy. Our team is dedicated to accelerating the strategic IT initiative that underpins the end-to-end delegated authority value chain, ensuring the systems, data flows, and processes that support Portfolio Solutions are fit to scale with the business. Working across international teams, we bring structured IT product … Your impact will include: Scaling the IT and process landscape in line with rapid Portfolio Solutions growth Leading the migration of legacy systems and data to AI-enabled applications, while carefully managing risk Embedding sustainable adoption of new tools and ways of working across regional teams Balancing ...

Software Engineer - Cumberland/FICCO Front Office Systems Software Engineer - Cumberland/FICCO Front Office Systems Job Location Greenwich Employment type Regular Department Technology Targeted Start Date Immediate DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together … place of high expectations, integrity, innovation and a willingness to challenge consensus. About the Team DRW C/FICCO Front Office Systems team intimately collaborates with traders to turn alpha signals, risk management, market visualizations and other trading-critical tools into scalable, performant and reliable production systems. We embed ...

join a strategic application modernisation programme. This role sits within a technology team responsible for evolving critical business applications, supporting a transition from legacy desktop solutions to modern web-based and cloud-enabled platforms. The successful candidate will work across the full software development lifecycle, contributing … Ability to work independently in a fast-paced environment Collaborative mindset and willingness to mentor junior developers Comfortable balancing support of legacy systems alongside modernisation initiatives GCS is acting as an Employment Business in relation to this vacancy. ...

term technology strategy to meet the growing demands of the business. The Digital Technology Director will lead a dedicated technology leadership team (Head of Systems & Architecture, Head of Projects, Head of Data), manage relationships with third-party IT service providers and major software vendors, and oversee the deployment … acumen and strategic foresight to balance innovation with ROI and future-proofing. Technology Expertise Deep expertise inenterprise architecture, including integration of legacy systems with modern platforms. Strong understanding ofSaaS enterprise systems,cloud technologies, anddata-driven ecosystems. Experience managing both legacy and modern technology environments ...

+ 10% Shares + Benefits (see more below) About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering capability focuses on modern application development, domain … stakeholders and guiding technical decisions Responsibilities Design and deliver modern Java and TypeScript applications in complex systems. Contribute to modernisation of legacy systems into scalable, service-based architectures Apply DDD principles to improve system structure and maintainability Improve development workflows, testing approaches, and engineering standards Collaborate with ...

management activities with internal and external stakeholders. Lead the design of scalable, modular, and resilient BSS/OSS solutions, integrating with legacy systems and modern platforms. Oversee solution architecture workstreams across multiple delivery teams and ensure consistency with target state architecture. Translate business and operational requirements into ...

community of practice and staying current with Salesforce platform evolutionProvide technical leadership across dependencies where Salesforce is integrated with multiple legacy systems, with proven ability to drive technical strategy and resolve integration challenges.Monitoring and troubleshooting: ability to implement monitoring, logging and proactive issue resolution across Salesforce environments.Strong ...

high-quality, well-structured datasets. Contribute to data migration and transformation activities, ensuring data accuracy, integrity, traceability and auditability throughout the transition from legacy systems. Apply security-by-design principles, including appropriate access controls, governance and logging, in line with the requirements of regulated MOD environments. Work within ...

About RipplingRippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle … help make that vision a reality.In this high-impact role, you’ll be at the center of transforming Rippling’s global payroll engineering systems, leveraging and building AI-native solutions and modern engineering practices to unify and scale payroll operations across multiple countries. You’ll play a key role ...

responsible for everything to do with the trading backend services such as the matching engine, market data gateways, internal and external APIs, margin systems and various other trading services. The team is located globally and responsibilities are split into sub-teams, working with various tech stacks. Our teams code … Lead and grow a team of 8-10 engineers owning core trading backend services, including the matching engine, market data gateways, and order entry systems Guide the team through the ongoing evolution of our trading stack, from legacy systems to their modern replacements Stay technically close ...