26 to 50 of 73 Legacy Systems Jobs in London

Role overview: The Data Analyst/Data Mapper, operating within the AWS environment, is responsible for analysing, transforming, & mapping data from legacy systems to the new LIMS system. This role demands strong analytical, technical, & AWS proficiency skills to ensure accurate, efficient, & secure data transfer. Key Responsibilities: Collaborate … with data engineers, data scientists, & business stakeholders to understand data sources, data quality, & data transformation requirements.. Perform data profiling & data quality assessments on legacy data, identifying data issues, inconsistencies & gaps. Develop & maintain data mapping, transformation rules, & data cleansing procedures tailored for the AWS environment. Required skills: AWS Services ...

D365 F&O solution architecture Lead executive workshops and vendor discussions Define integration strategy across Azure and legacy systems Guide environment strategy, governance and release management Act as the bridge between business and technology We are looking for: Proven D365 F&O Solution Architect experience Exposure ...

D365 F&O solution architecture Lead executive workshops and vendor discussions Define integration strategy across Azure and legacy systems Guide environment strategy, governance and release management Act as the bridge between business and technology We are looking for: Proven D365 F&O Solution Architect experience Exposure ...

high-growth, product-led scale-up who are rebuilding their entire data layer in-house after moving away from their legacy systems and processes. They are in need of a hands-on Data Platform Engineer to design, build, and own a clean PostgreSQL-based backend data platform … Have PostgreSQL (design, modelling, optimisation) SQL and relational database engineering Building backend data services (APIs, views, pipelines, ETL/ELT) Data integration with operational systems ADF or similar orchestration tools Migrating/decommissioning legacy data platforms Nice-to-Have Experience in scale-ups or lean engineering teams ...

contact between development, research, analysis, and operations teams. Coordinate multiple technical projects, ensuring priorities, timelines and resourcing stay aligned. Structure workflows, manage ticketing systems and monitor progress to keep delivery on track. Identify bottlenecks and inefficiencies, and implement practical process improvements. Balance the needs of legacy systems … from afar. Comfortable working full-time on-site in a smaller, agile environment. Desirable (not essential): Experience with project/ticketing tools, version control systems (e.g.?Git,?PlasticSCM,?Hg), and awareness of project management best practices or frameworks. What's on offer Competitive salary of £70k?-?£90k DOE?+ ...

technical architecture - Creating a solid overview of the current environment and developing future technology roadmaps - Planning the move away from legacy systems to new digital technology and cloud migration To be considered suitable for this IT Enterprise Architect role you will need to have the following skills ...

Clearance Nice-to-Have Skills Hands-on experience with container platforms (Docker, Kubernetes) Experience designing cloud-native solutions or modernising legacy systems Exposure to regulated, enterprise, or large-scale environments Architecture or cloud certifications (e.g. TOGAF, AWS/Azure/GCP Solutions Architect ) Familiarity with monitoring, logging ...

identity' approach. This role acts as the technical lead for Infrastructure and Identity, guiding a multi-year shift from legacy systems to a cloud-native, service-led model. Key Responsibilities Strategy: Own the 3-5-year infrastructure roadmap, ensuring a secure, resilient, evergreen platform. Identity Lead: Oversee ...

pain points Translate problems into data-driven workflows, working with engineers to extract and structure data from equipment and legacy systems Work with customers, from the C-Suite to operators on the line, to build bespoke applications Lead training sessions to ensure the deployed applications serve their ...

Role Define and validate the meaning, structure, and shape of target datasets Quantify and assess data quality issues across legacy systems Translate data anomalies into clearly defined and agreed business rules with stakeholders Essential Skills & Experience Assess data completeness, validity, consistency, and uniqueness, and interpret what issues … verify transformation results Geospatial & Public Data Experience Proven experience working with geospatial data , including spatial formats (e.g. vector, raster, GeoJSON, shapefiles), coordinate reference systems, and spatial analysis workflows Strong ability to interpret and apply geographical context within data processing pipelines Demonstrated experience identifying local or regional geospatial insights ...

North London is seeking a highly experienced Interim Data Modeller to design and implement a global finance and HR data model spanning multiple source systems . This is a pure data modelling role . The focus is on structure, consistency, and correctness of data, not reporting, dashboards, or downstream … across geographies, entities, and systems. Key responsibilities include: Designing and owning global canonical data models for Finance and HR Integrating data from multiple source systems (ERP, HRIS, payroll, planning tools) Defining conformed dimensions, facts, hierarchies, and reference data Resolving data conflicts across regions, entities, and legacy systems ...

join their Custody, Trading and Investments (CTI) product development team. This role plays a key part in enhancing the Figaro platform, supporting business-critical systems and delivering technical change that directly impacts operational excellence and client outcomes. The successful candidate will be responsible for configuring, developing, integrating and supporting … will also partner with product managers and users to design and implement enhancements, troubleshoot issues, and support ongoing migration from legacy systems to modern architectures. To be considered, you must have proven experience working with the Figaro platform in a financial services or wealth management environment. Excellent ...

heavily investing in modernising its data landscape to become a fully data-driven organisation. This includes migrating away from traditional legacy systems and adopting scalable, cloud-native data platforms. Within this context, the Risk Foundations Platform plays a critical role. The platform's vision is to design … enterprise-grade data products that enhance risk modelling, reporting, and regulatory compliance. A key strategic priority for the team is the decommissioning of legacy data stores and replacing them with modern, cloud-based capabilities that are fully owned and managed within the platform. Programme Focus The programme focuses ...

based app environment. - Proven experience delivering complex digital services in fast-moving environments. - Comfortable working with both modern and legacy systems, ideally in a regulated sector. - Highly organised, analytical, and outcome-focused, with the confidence to make trade-offs and challenge priorities. - An excellent communicator and relationship ...

activities into our new SAP S/4HANA and SAP Ariba landscape . The role will involve controlling the migration from legacy systems, robust integration, and the realisation of efficiency and control improvements across finance, procurement, accounts payable and wider service areas . Duties will include project … delivery, functional & technical scope (OCR/S/4/Ariba), legacy transition & decommissioning, stakeholder & vendor management, data controls & compliance, as well as change management & training. Based in the Southwark area, South East London – minimum of 2 days per week in the office. This is a contract role ...

North London is seeking a highly experienced Interim Data Modeller to design and implement a global finance and HR data model spanning multiple source systems . This is a pure data modelling role . The focus is on structure, consistency, and correctness of data, not reporting, dashboards, or downstream … across geographies, entities, and systems. Key responsibilities include: Designing and owning global canonical data models for Finance and HR Integrating data from multiple source systems (ERP, HRIS, payroll, planning tools) Defining conformed dimensions, facts, hierarchies, and reference data Resolving data conflicts across regions, entities, and legacy systems ...

Role overview: The Data Analyst/Data Mapper, operating within the AWS environment, is responsible for analysing, transforming, & mapping data from legacy systems to the new LIMS system click apply for full job details ...

shared outcomes. Manage external partners and, where relevant, regulators to support improvement goals. Problem Solving & Innovation Tackle systemic constraints such as legacy systems, policies, and skills gaps. Sponsor experimentation, pilots, and measured innovation to unlock value. Risk, Security & Ethics Sponsor by-design controls in new processes. Ensure ...

shared outcomes. Manage external partners and, where relevant, regulators to support improvement goals. Problem Solving & Innovation Tackle systemic constraints such as legacy systems, policies, and skills gaps. Sponsor experimentation, pilots, and measured innovation to unlock value. Risk, Security & Ethics Sponsor “by-design” controls in new processes. Ensure ...

+ bonus Hybrid - London (2 days onsite) We're hiring a Data Platform Lead to take ownership of an existing data warehouse and the systems around it. The platform is already in production and widely used. This role is focused on keeping it reliable, improving data quality, and developing … working with engineering teams to improve the quality of data coming into the warehouse. There's a mix of legacy systems and newer tooling following several years of organisational change, so the role involves untangling complexity rather than building everything from scratch. You'll need ...

+ bonus Hybrid - London (2 days onsite) We're hiring a Data Platform Lead to take ownership of an existing data warehouse and the systems around it. The platform is already in production and widely used. This role is focused on keeping it reliable, improving data quality, and developing … working with engineering teams to improve the quality of data coming into the warehouse. There's a mix of legacy systems and newer tooling following several years of organisational change, so the role involves untangling complexity rather than building everything from scratch. You'll need ...

high-growth, product-led scale-up who are rebuilding their entire data layer in-house after moving away from their legacy systems and processes click apply for full job details ...

users and experience of working in fast-paced complex technical delivery environments. Experienced in working with both new and legacy systems, and in maintaining a complex matrix of products and services. Experience ideally in a highly regulated sector. Familiar with agile and lean development methodologies and practices. ...

finance processes - setting up charts of accounts, journals and workflows so the software truly enhances the finance function, rather than just replacing a legacy system. Why this role stands out Salary £35,000 - £65,000 depending on experience Hybrid working: 2 days per week in a new Soho ...

rollout of a new digital technology platform. This is a high-profile assignment within a complex operational environment, supporting the transition from a legacy system to a modern, real-time solution used across the entire business. You will act as the primary interface between the programme ...