Legacy Systems Jobs in London

51 to 75 of 628 Legacy Systems Jobs in London

Senior Technical Delivery Manager

London, England, United Kingdom
Ownera
connect traditional finance with blockchain technology . Our flagship product, the Ownera Router , powered by the FinP2P protocol , enables seamless connectivity between institutions, blockchains, and legacy financial systems to unlock new opportunities in digital asset trading and tokenization . Job Overview We are seeking a Senior Technical Delivery Manager to join our delivery team and drive end More ❯
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Senior Data Engineer

London, England, United Kingdom
Intellias
Business. Therefore, we are looking for a Data Engineer to join a growing team to support Data Migration activity, ensuring seamless integration and data flow between new and legacy systems. Requirements: Must Have (3+ years of experience) Strong experience with data integration and migration, particularly with Salesforce. Experience with programming languages such as Python, C#, or PowerShell. Strong … and Salesforce, ensuring data quality and consistency. Salesforce Integration: Define and implement data integration solutions to support Salesforce, ensuring data is accurately migrated and integrated into Salesforce from legacy systems. Data Quality Assurance: Define and apply cleansing rules to the data to ensure it meets quality expectations. Monitor data pipelines to ensure business-critical data is processed within More ❯
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System Analyst

London, England, United Kingdom
Vallum Associates
join our team. The ideal candidate will serve as a key bridge between business stakeholders and development teams , helping to modernize and optimize BAU processes currently running on legacy systems. This role requires hands-on technical expertise in API development , React , and strong proficiency in SQL (preferably including Oracle SQL). Key Responsibilities: Collaborate with business stakeholders to … BAU (Business-as-Usual) processes . Analyze and propose improvements to existing BAU workflows to drive efficiency and performance. Support and influence the digital transformation of legacy systems to modern platforms. Act as a system analyst with deep understanding of application architecture and integration points. Work closely with third-party vendors to manage dependencies, issues, and timelines. … system analysis . Strong hands-on experience with: API development (REST) .NET SQL (strong proficiency; Oracle SQL preferred) Demonstrated experience in digital transformation projects , especially involving legacy systems . Solid understanding of SDLC , change management , and requirement gathering . Experience working with third-party vendors and managing external stakeholders . Ability to convert business needs into technical More ❯
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Trading Systems Engineer (Equities)

London, England, United Kingdom
Berenberg
our business units. Our technology 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. Our Technology department of around 300 employees works largely in an agile way … team We are embarking on a multi-year project to revamp a large part of our equity trading technology stack. This greenfield project will involve designing and implementing new systems, such as pre/post-trade risk engines, market data distribution, reference data handling, and the build-up of trading gateways, while also aligning with the modernisation of Berenberg … increases in trading activities. Ensure the system supports global equity market trading with high availability. Develop bespoke trading workflows tailored to clients across multiple trading desks. Design and optimise systems to dynamically scale in response to market events such as interest rate decisions or breaking news. Collaborate closely with other IB Engineering teams and project members. Strong proficiency in More ❯
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Senior OneStream Developer

London, England, United Kingdom
JR United Kingdom
part of their OneStream implementation. This newly created position will see this individual maintaining, Supporting and developing OneStream on both Planning and Consolidation and work collaboratively with the broader systems team who will be transitioning from their legacy system. This role ensures the smooth functioning of the platform, supporting processes in Financial Planning & Analysis (FP&A), consolidation … IFRS) and financial reporting. Skills: Must have strong knowledge of the OneStream platform, particularly in the areas of financial consolidation, planning, and reporting. Experience in managing and maintaining financial systems and databases. Strong analytical and problem-solving skills, with the ability to troubleshoot complex system issues. Proficient in system integration, data management, report development and financial reporting. Excellent communication … for querying and managing data. Must demonstrate solid experience writing business rules Familiarity with integrations (APIs, data loading tools) and cloud-based systems. Knowledge of financial software and ERP systems is beneficial. For more information on this or other EPM roles across the UK, please contact Chanel Betambeau #J-18808-Ljbffr More ❯
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Senior OneStream Developer

City of London, London, United Kingdom
Hybrid / WFH Options
SystemsAccountants
part of their OneStream implementation. This newly created position will see this individual maintaining, Supporting and developing OneStream on both Planning and Consolidation and work collaboratively with the broader systems team who will be transitioning from their legacy system. This role ensures the smooth functioning of the platform, supporting processes in Financial Planning & Analysis (FP&A), consolidation … IFRS) and financial reporting. Skills: Must have strong knowledge of the OneStream platform, particularly in the areas of financial consolidation, planning, and reporting. Experience in managing and maintaining financial systems and databases. Strong analytical and problem-solving skills, with the ability to troubleshoot complex system issues. Proficient in system integration, data management, report development and financial reporting. Excellent communication … for querying and managing data. Must demonstrate solid experience writing business rules Familiarity with integrations (APIs, data loading tools) and cloud-based systems. Knowledge of financial software and ERP systems is beneficial. For more information on this or other EPM roles across the UK, please contact Chanel Betambeau More ❯
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Senior OneStream Developer

London Area, United Kingdom
Hybrid / WFH Options
SystemsAccountants
part of their OneStream implementation. This newly created position will see this individual maintaining, Supporting and developing OneStream on both Planning and Consolidation and work collaboratively with the broader systems team who will be transitioning from their legacy system. This role ensures the smooth functioning of the platform, supporting processes in Financial Planning & Analysis (FP&A), consolidation … IFRS) and financial reporting. Skills: Must have strong knowledge of the OneStream platform, particularly in the areas of financial consolidation, planning, and reporting. Experience in managing and maintaining financial systems and databases. Strong analytical and problem-solving skills, with the ability to troubleshoot complex system issues. Proficient in system integration, data management, report development and financial reporting. Excellent communication … for querying and managing data. Must demonstrate solid experience writing business rules Familiarity with integrations (APIs, data loading tools) and cloud-based systems. Knowledge of financial software and ERP systems is beneficial. For more information on this or other EPM roles across the UK, please contact Chanel Betambeau More ❯
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Data Migration Lead

London Area, United Kingdom
Hybrid / WFH Options
Albany Beck
a new core banking and wealth platform using Avaloq for a leading Wealth Management firm. This strategic transformation programme aims to modernise and streamline front-to-back operations, consolidate systems, and enhance digital capabilities across the client lifecycle. As part of this large-scale implementation, a dedicated Data Migration Lead is required to own and drive the end-to … to Avaloq (desirable but not essential). Strong knowledge of data migration methodologies including data mapping, extraction, cleansing, transformation, reconciliation, and cutover planning. Experience working with legacy systems and managing complex data landscapes including customer, account, transaction, product, and portfolio data. Understanding of the regulatory and operational implications of data handling in financial services, particularly within private … and GDPR/compliance considerations related to data migration. Experience managing third-party vendors and coordinating across multi-functional project teams. Skills Data analysis, profiling, and mapping across multiple systems End-to-end data migration planning and execution Defect management, reconciliation, and exception handling Strong documentation and communication skills for both technical and non-technical audiences Advanced stakeholder management More ❯
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Data Migration Lead

City of London, London, United Kingdom
Hybrid / WFH Options
Albany Beck
a new core banking and wealth platform using Avaloq for a leading Wealth Management firm. This strategic transformation programme aims to modernise and streamline front-to-back operations, consolidate systems, and enhance digital capabilities across the client lifecycle. As part of this large-scale implementation, a dedicated Data Migration Lead is required to own and drive the end-to … to Avaloq (desirable but not essential). Strong knowledge of data migration methodologies including data mapping, extraction, cleansing, transformation, reconciliation, and cutover planning. Experience working with legacy systems and managing complex data landscapes including customer, account, transaction, product, and portfolio data. Understanding of the regulatory and operational implications of data handling in financial services, particularly within private … and GDPR/compliance considerations related to data migration. Experience managing third-party vendors and coordinating across multi-functional project teams. Skills Data analysis, profiling, and mapping across multiple systems End-to-end data migration planning and execution Defect management, reconciliation, and exception handling Strong documentation and communication skills for both technical and non-technical audiences Advanced stakeholder management More ❯
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Data Migration Lead

London, England, United Kingdom
JR United Kingdom
a new core banking and wealth platform using Avaloq for a leading Wealth Management firm. This strategic transformation programme aims to modernise and streamline front-to-back operations, consolidate systems, and enhance digital capabilities across the client lifecycle. As part of this large-scale implementation, a dedicated Data Migration Lead is required to own and drive the end-to … to Avaloq (desirable but not essential). Strong knowledge of data migration methodologies including data mapping, extraction, cleansing, transformation, reconciliation, and cutover planning. Experience working with legacy systems and managing complex data landscapes including customer, account, transaction, product, and portfolio data. Understanding of the regulatory and operational implications of data handling in financial services, particularly within private … and GDPR/compliance considerations related to data migration. Experience managing third-party vendors and coordinating across multi-functional project teams. Skills Data analysis, profiling, and mapping across multiple systems End-to-end data migration planning and execution Defect management, reconciliation, and exception handling Strong documentation and communication skills for both technical and non-technical audiences Advanced stakeholder management More ❯
Posted:

Senior OneStream Developer

London, England, United Kingdom
Hybrid / WFH Options
SystemsAccountants
part of their OneStream implementation. This newly created position will see this individual maintaining, Supporting and developing OneStream on both Planning and Consolidation and work collaboratively with the broader systems team who will be transitioning from their legacy system. This role ensures the smooth functioning of the platform, supporting processes in Financial Planning & Analysis (FP&A), consolidation … IFRS) and financial reporting. Skills: Must have strong knowledge of the OneStream platform, particularly in the areas of financial consolidation, planning, and reporting. Experience in managing and maintaining financial systems and databases. Strong analytical and problem-solving skills, with the ability to troubleshoot complex system issues. Proficient in system integration, data management, report development and financial reporting. Excellent communication … for querying and managing data. Must demonstrate solid experience writing business rules Familiarity with integrations (APIs, data loading tools) and cloud-based systems. Knowledge of financial software and ERP systems is beneficial. For more information on this or other EPM roles across the UK, please contact Chanel Betambeau Seniority level Seniority level Mid-Senior level Employment type Employment type More ❯
Posted:

Data Migration Lead

London, England, United Kingdom
Albany Beck
a new core banking and wealth platform using Avaloq for a leading Wealth Management firm. This strategic transformation programme aims to modernise and streamline front-to-back operations, consolidate systems, and enhance digital capabilities across the client lifecycle. As part of this large-scale implementation, a dedicated Data Migration Lead is required to own and drive the end-to … to Avaloq (desirable but not essential). Strong knowledge of data migration methodologies including data mapping, extraction, cleansing, transformation, reconciliation, and cutover planning. Experience working with legacy systems and managing complex data landscapes including customer, account, transaction, product, and portfolio data. Understanding of the regulatory and operational implications of data handling in financial services, particularly within private … and GDPR/compliance considerations related to data migration. Experience managing third-party vendors and coordinating across multi-functional project teams. Skills Data analysis, profiling, and mapping across multiple systems End-to-end data migration planning and execution Defect management, reconciliation, and exception handling Strong documentation and communication skills for both technical and non-technical audiences Advanced stakeholder management More ❯
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Data Migration Consultant

London, England, United Kingdom
Hays
to-end delivery of data migration activities for Oracle Cloud HCM implementations. You will design and manage the extraction, transformation, and loading (ETL) of data from legacy systems, ensuring data integrity, traceability, and readiness for go-live. You will work closely with functional, technical, and testing teams to align data requirements, validate outputs, and ensure a smooth … and accurate transition to the Oracle Cloud platform. Key Responsibilities: Lead the design, planning, and execution of all data migration activities from legacy HR systems (e.g., Oracle eBS) to Oracle Cloud HCM. Develop and manage ETL routines and data migration tools, ensuring scalability and accuracy. Define and maintain data mappings, transformation logic, and validation rules. Oversee data … eBS is highly desirable. Experience applying data governance frameworks and managing data quality improvement initiatives. Excellent problem-solving, communication, and documentation skills. Bachelor’s degree in Information Technology, HR Systems, or a related field. Relevant Oracle HCM certifications Start Date ASAP Interested in applying? Just reply with an up-to-date copy of your CV to get the ball More ❯
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CCaaS Application Architect - UK

London, England, United Kingdom
Eventus Solutions Group
and UC environments 5 or more years of experience with software architecture and design with the CXone, Genesys Cloud or Amazon Connect platform. Past titles may include Solutions Architect, Systems Architect, Technical Architect. Experience must include: Defining overall CXone, Genesys Cloud or Amazon Connect Application architectures including (but not limited to) networks, WFM, quality, AI tools, ACD, CRM Integrations … dive into the code as needed, lead code reviews and fix issues as needed Ability to create designs that leverage legacy/on-premises solutions and CCaaS systems Ability to create customizations to work around system limitations or cost issues Experience with on-premise to Cloud migration and the technical challenges and implications. Enterprise migration experience … including leading whiteboard sessions, technical design sessions, developing architecture and network diagrams, technical flow designs and more Additional Responsibilities: Build actionable and achievable CCaaS transformation plans including specifying legacy system changes needed or recommended. Define and build tools and libraries to augment CCaaS vendor capabilities (customizations, configurations, testing, code-reuse, etc.) Creating sales demos within Eventus lab environments More ❯
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Dynamics Business Central Consultant

London, United Kingdom
Cloud Decisions
be working on the latest and most cutting edge tech from the outset. If you are an expert in and passionate about designing and configuring Dynamics 365 Business Central systems then look no further! The role: Collaborating with clients to understand their business requirements and translate them into system configurations and customisations within Dynamics 365 Business Central. Designing and … enabling them to effectively utilise Dynamics 365 Business Central and maximise its potential. Performing data migration activities, ensuring the accurate and timely transfer of data from legacy systems to Dynamics 365 Business Central. Developing and maintaining technical documentation, including functional specifications, user guides, and training materials. Identifying opportunities for process improvements and advising clients on best practices More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

CRM Platform Manager

London, England, United Kingdom
ARC IT Recruitment
the day-to-day operation of the DealCloud platform, ensuring seamless functionality and troubleshooting issues. Support system integrations and monitor application performance. Manage data migration from legacy systems, ensuring accuracy and integrity. Collaborate with Investment Bankers, Operations, Business Support, and IT teams to tailor DealCloud to business needs. Drive a modern IT Change & Release process for the … attention to detail. Strong communication and stakeholder management skills. Knowledge of Investment Banking best practices and regulatory requirements. Proficiency in Microsoft Office Suite and relevant software applications. Preferred: Information Systems Degree (2:1 or higher) If you’re passionate about CRM technology and want to make an impact in a leading Investment Banking firm, please apply today! Seniority level More ❯
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Endur Consultant

London, United Kingdom
Hybrid / WFH Options
Vallum
functionalities and integrations within Endur. Provide training and support to end-users to ensure efficient use of the platform. Assist in migrating data and transitioning from Legacy systems to Endur. Collaborate with project managers and IT teams to deliver projects on time and within budget. Stay updated with the latest updates and features of the Endur platform. More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Openlink Endur consultant

City of London, England, United Kingdom
Hybrid / WFH Options
Vallum Associates
functionalities and integrations within Endur. Provide training and support to end-users to ensure efficient use of the platform. Assist in migrating data and transitioning from legacy systems to Endur. Collaborate with project managers and IT teams to deliver projects on time and within budget. Stay updated with the latest updates and features of the Endur platform. More ❯
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Senior Data Engineer

London, England, United Kingdom
Rullion Ltd
environment using Agile methodologies and CI/CD processes to deliver data-driven insights across the business. Key Responsibilities Design, develop, and support scalable data solutions that integrate multiple systems and sources. Implement and manage master data solutions using modern integration techniques. Transform raw data into trusted, curated datasets for enterprise reporting. Lead data projects, mentor team members, and … business processes by designing effective data solutions. Collaborate with stakeholders and vendors to deliver interfaces and resolve integration issues. Address data quality, integrity, and consistency challenges, particularly with legacy systems. Ensure compliance with data governance standards and maintain clear documentation. Technical Skills & Qualifications Proven experience in a Data Engineer role. Expertise in Microsoft and Azure technologies: SQL Server More ❯
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Openlink Endur consultant

South East London, England, United Kingdom
Hybrid / WFH Options
Vallum Associates
functionalities and integrations within Endur. Provide training and support to end-users to ensure efficient use of the platform. Assist in migrating data and transitioning from legacy systems to Endur. Collaborate with project managers and IT teams to deliver projects on time and within budget. Stay updated with the latest updates and features of the Endur platform. More ❯
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Project Manager

London, England, United Kingdom
Expleo
highlighting progress, risks, and issues. Quality Management: Ensure all deliverables meet the required quality standards Qualifications Desirable Certifications: MAPM, Scrum Master, PMP, Prince2 Essential skills Strong understanding of the systems development lifecycle. The ability to understand and lead the construction of system & data integrations Excellent client-facing skills Ability to think logically and use own initiative as well as … path is managed throughout the project Strong communication skills in English are essential for effectively interacting with clients Microsoft Project Experience Experience in data migration from legacy systems to new, including culling of non-essential data and consideration of parallel runs (test environment/production) and multi-wave implementation to production. Experience of leading large-scale projects More ❯
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Senior NetSuite Functional Consultant

London, England, United Kingdom
Hybrid / WFH Options
Cooper Parry
and deliver training and UAT to the customer Assist the customer with data migration, such as formatting and preparing data, uploading to NetSuite and reconciling to legacy systems Supporting the customer post-go live, by answering questions and solving problems Build relationships with customers to become a trusted and relied upon as an extension of their team More ❯
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Senior Data Engineer

London, England, United Kingdom
Hybrid / WFH Options
Whitehall Resources Ltd
. Your responsibilities: • Design, build and maintain robust data pipelines that support critical business applications and analytics • Analyze, re-engineer and modernize existing ETL processes from legacy systems into scalable cloud-native solutions • Contribute to the development and optimization of a cloud-based data platform, leveraging tools like snowflake, AWS and airflow • Work closely with data architects … to deliver high-quality, production-ready code • Participate in code reviews, ensuring adherence to best practices and high engineering standards • Investigate data quality issues and implement monitoring and alterting systems to ensure pipeline reliability • Document workflows, data lineage and technical designs to support maintainability and knowledge sharing • Champion a culture of continuous improvement, experimentation and technical excellence within the … data engineering in both on-prem and cloud-based environments • Good working knowledge and hands on experience working with Teradata and Infomatica. • Proficiency in working with legacy systems and traditional ETL workflows • Solid experience building data pipelines using modern tools (Airflow, DBT, Glue etc.) and working with large volumes of structures and semi-structured data • Demonstrated experience More ❯
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SAP S/4HANA Global Process Analyst

London, England, United Kingdom
Sun Chemical
SAP S/4HANA modules including Finance (FI), Controlling (CO), Sales and Distribution (SD), Material Management (MM), Production Planning (PP), and more Configure and maintain SAP S/4HANA systems to support business processes Troubleshoot and resolve issues related to SAP S/4HANA modules Project Support & Implementation Support SAP S/4HANA implementation projects, including requirements gathering, functional … Technical Skills SAP S/4HANA Expertise: Deep understanding of SAP S/4HANA modules (e.g., FI, CO, MM, SD, PP) Experience: 1-5 years of experience with SAP systems (S/4HANA experience preferred) Business Process Analysis: Ability to analyze complex business processes and map them to SAP S/4HANA functions Data Migration: Experience with data migration … from legacy systems to S/4HANA Functional Specification: Ability to write functional specifications and configuration documents Troubleshooting: Strong problem-solving skills and experience with SAP issue resolution Soft Skills Communication: Excellent written and verbal communication skills Interpersonal Skills: Ability to work effectively with diverse teams and stakeholders Analytical Thinking: Capable of identifying key drivers of problems More ❯
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Solution Architect

London, England, United Kingdom
Hybrid / WFH Options
Barchester Healthcare
As a Solution Architect within the IT Delivery function at Barchester, you will be instrumental in shaping and executing our IT strategy by designing, implementing, and maintaining a robust systems architecture that enables our strategic business objectives. Holding a pivotal role in transforming our systems landscape, you will ensure that our architecture environment not only meets current business … responsibilities: Transform business requirements into robust technical solutions that deliver measurable value Architect integrated solutions using industry best practice methodologies which ensure seamless functionality across multiple business functions and systems Be a critical business partner to Demand and Project Delivery teams to design, validate and promote solutions aligned to industry standards while contributing to strategic roadmaps Demonstrate proven ability … to deliver in partnership with legacy systems Lead architecture review sessions to facilitate collaborative design validation and refinement Apply deep expertise in infrastructure, data management, and application development, with focus on technologies including Azure, AWS, iPaaS services, API design and management Lead proof-of-concept initiatives Work within complex landscapes, finding innovative solutions for modernization and integration More ❯
Posted:
Legacy Systems
London
10th Percentile
£55,500
25th Percentile
£61,250
Median
£76,250
75th Percentile
£96,250
90th Percentile
£105,750