1 to 25 of 165 Legacy Systems Jobs in Central London

About the Role: As Technical Lead you will play a central role in designing and delivering enterprise-grade solutions, managing both legacy systems and the strategic migration to Azure-based cloud platforms. You’ll lead by example, guiding a cross-functional team through complex technical decisions, ensuring … delivery standards, and alignment with the wider enterprise architecture. This role offers the opportunity to contribute to large-scale modernisation while maintaining essential business systems used across global markets. Key Responsibilities: Lead the technical design and decision-making for all team deliverables, ensuring architectural alignment and long-term maintainability. … technical delivery of features, with a focus on quality, scalability, and performance. Work closely with architects to contribute to the ongoing evolution of enterprise systems, balancing innovation with operational stability. Provide technical leadership, mentoring developers and fostering a high-performing Agile team culture. Collaborate with DevOps and platform engineering More ❯

About the Role: As Technical Lead you will play a central role in designing and delivering enterprise-grade solutions, managing both legacy systems and the strategic migration to Azure-based cloud platforms. You’ll lead by example, guiding a cross-functional team through complex technical decisions, ensuring … delivery standards, and alignment with the wider enterprise architecture. This role offers the opportunity to contribute to large-scale modernisation while maintaining essential business systems used across global markets. Key Responsibilities: Lead the technical design and decision-making for all team deliverables, ensuring architectural alignment and long-term maintainability. … technical delivery of features, with a focus on quality, scalability, and performance. Work closely with architects to contribute to the ongoing evolution of enterprise systems, balancing innovation with operational stability. Provide technical leadership, mentoring developers and fostering a high-performing Agile team culture. Collaborate with DevOps and platform engineering More ❯

About the Role: As Technical Lead you will play a central role in designing and delivering enterprise-grade solutions, managing both legacy systems and the strategic migration to Azure-based cloud platforms. You’ll lead by example, guiding a cross-functional team through complex technical decisions, ensuring … delivery standards, and alignment with the wider enterprise architecture. This role offers the opportunity to contribute to large-scale modernisation while maintaining essential business systems used across global markets. Key Responsibilities: Lead the technical design and decision-making for all team deliverables, ensuring architectural alignment and long-term maintainability. … technical delivery of features, with a focus on quality, scalability, and performance. Work closely with architects to contribute to the ongoing evolution of enterprise systems, balancing innovation with operational stability. Provide technical leadership, mentoring developers and fostering a high-performing Agile team culture. Collaborate with DevOps and platform engineering More ❯

Our global client is looking for a D365 F&O specialist with extensive expeirence migrating from legacy to D365 F&O. This is a hybrid role outside IR35 initially for 9 months … with a good chance to extend. Data Migration Lead tasked with overseeing the planning, execution, and management of data transfers from legacy systems to Microsoft Dynamics 365. Responsibilities include ensuring data accuracy, consistency, and compliance with business needs throughout the entire migration lifecycle." Strong understanding of data … O and integration using Azure services. Successfully migrated Dynamics 365 F&O multiple times, with proven experience leading data migration from legacy systems to D365. More ❯

Our global client is looking for a D365 F&O specialist with extensive expeirence migrating from legacy to D365 F&O. This is a hybrid role outside IR35 initially for 9 months … with a good chance to extend. Data Migration Lead tasked with overseeing the planning, execution, and management of data transfers from legacy systems to Microsoft Dynamics 365. Responsibilities include ensuring data accuracy, consistency, and compliance with business needs throughout the entire migration lifecycle." Strong understanding of data … O and integration using Azure services. Successfully migrated Dynamics 365 F&O multiple times, with proven experience leading data migration from legacy systems to D365. More ❯

Our global client is looking for a D365 F&O specialist with extensive expeirence migrating from legacy to D365 F&O. This is a hybrid role outside IR35 initially for 9 months … with a good chance to extend. Data Migration Lead tasked with overseeing the planning, execution, and management of data transfers from legacy systems to Microsoft Dynamics 365. Responsibilities include ensuring data accuracy, consistency, and compliance with business needs throughout the entire migration lifecycle." Strong understanding of data … O and integration using Azure services. Successfully migrated Dynamics 365 F&O multiple times, with proven experience leading data migration from legacy systems to D365. More ❯

twentyAI are partnering with a globally renowned law firm currently undergoing a major digital and data transformation. With a deep-rooted legacy in legal excellence and a strong global footprint, the firm is currently modernising their data capability and building a new data platform. About the Role You … security controls in pipelines. Identify bottlenecks and optimise performance across data pipelines and cloud infrastructure. Participate in the ongoing migration from legacy systems to modern data platforms. Your Background Experience with Microsoft Azure data tools — especially Data Factory and Synapse. Familiarity with Microsoft Fabric will be beneficial. … data engineering context. Practical knowledge of distributed processing frameworks, particularly Spark. Comfortable working in a complex environment that is evolving from legacy systems toward a modern data architecture. Strong problem-solving skills and the ability to work collaboratively in a cross-functional agile team. Exposure to data More ❯

twentyAI are partnering with a globally renowned law firm currently undergoing a major digital and data transformation. With a deep-rooted legacy in legal excellence and a strong global footprint, the firm is currently modernising their data capability and building a new data platform. About the Role You … security controls in pipelines. Identify bottlenecks and optimise performance across data pipelines and cloud infrastructure. Participate in the ongoing migration from legacy systems to modern data platforms. Your Background Experience with Microsoft Azure data tools — especially Data Factory and Synapse. Familiarity with Microsoft Fabric will be beneficial. … data engineering context. Practical knowledge of distributed processing frameworks, particularly Spark. Comfortable working in a complex environment that is evolving from legacy systems toward a modern data architecture. Strong problem-solving skills and the ability to work collaboratively in a cross-functional agile team. Exposure to data More ❯

twentyAI are partnering with a globally renowned law firm currently undergoing a major digital and data transformation. With a deep-rooted legacy in legal excellence and a strong global footprint, the firm is currently modernising their data capability and building a new data platform. About the Role You … security controls in pipelines. Identify bottlenecks and optimise performance across data pipelines and cloud infrastructure. Participate in the ongoing migration from legacy systems to modern data platforms. Your Background Experience with Microsoft Azure data tools — especially Data Factory and Synapse. Familiarity with Microsoft Fabric will be beneficial. … data engineering context. Practical knowledge of distributed processing frameworks, particularly Spark. Comfortable working in a complex environment that is evolving from legacy systems toward a modern data architecture. Strong problem-solving skills and the ability to work collaboratively in a cross-functional agile team. Exposure to data More ❯

twentyAI are partnering with a globally renowned law firm currently undergoing a major digital and data transformation. With a deep-rooted legacy in legal excellence and a strong global footprint, the firm is currently modernising their data capability and building a new data platform. About the Role You … security controls in pipelines. Identify bottlenecks and optimise performance across data pipelines and cloud infrastructure. Participate in the ongoing migration from legacy systems to modern data platforms. Your Background Experience with Microsoft Azure data tools — especially Data Factory and Synapse. Familiarity with Microsoft Fabric will be beneficial. … data engineering context. Practical knowledge of distributed processing frameworks, particularly Spark. Comfortable working in a complex environment that is evolving from legacy systems toward a modern data architecture. Strong problem-solving skills and the ability to work collaboratively in a cross-functional agile team. Exposure to data More ❯

relationship with one of the business’s most important outsourced IT service providers Managing contract performance, value delivery, and governance across legacy systems and service infrastructure Partnering with senior internal stakeholders in IT, procurement, and operations Supporting the transition to an integrated commercial and SRM (Supplier Relationship … with end-to-end category ownership experience Deep expertise in Tech Services procurement , particularly infrastructure, cloud, SaaS, data, and/or legacy systems Proven ability to manage high-value, complex outsourced service providers Strong supplier relationship and performance management capability Strategic sourcing experience with a pragmatic, delivery More ❯

relationship with one of the business’s most important outsourced IT service providers Managing contract performance, value delivery, and governance across legacy systems and service infrastructure Partnering with senior internal stakeholders in IT, procurement, and operations Supporting the transition to an integrated commercial and SRM (Supplier Relationship … with end-to-end category ownership experience Deep expertise in Tech Services procurement , particularly infrastructure, cloud, SaaS, data, and/or legacy systems Proven ability to manage high-value, complex outsourced service providers Strong supplier relationship and performance management capability Strategic sourcing experience with a pragmatic, delivery More ❯

Microsoft/Azure data tools. You'll play a key role in standardising and migrating data from a diverse range of legacy systems into a centralised Dynamics 365 CE environment. You’ll lead the full data migration lifecycle and work closely with technical and functional stakeholders to … execute ETL (Extract, Transform, Load) processes into Dynamics 365 CE modules (e.g., Sales, Customer Service, Field Service). Work with legacy CRM systems, spreadsheets, databases, and proprietary platforms to extract data. Map and transform data into Dynamics 365 CE entities such as Accounts, Contacts, Leads, Cases, and More ❯

Microsoft/Azure data tools. You'll play a key role in standardising and migrating data from a diverse range of legacy systems into a centralised Dynamics 365 CE environment. You’ll lead the full data migration lifecycle and work closely with technical and functional stakeholders to … execute ETL (Extract, Transform, Load) processes into Dynamics 365 CE modules (e.g., Sales, Customer Service, Field Service). Work with legacy CRM systems, spreadsheets, databases, and proprietary platforms to extract data. Map and transform data into Dynamics 365 CE entities such as Accounts, Contacts, Leads, Cases, and More ❯

Microsoft/Azure data tools. You'll play a key role in standardising and migrating data from a diverse range of legacy systems into a centralised Dynamics 365 CE environment. You’ll lead the full data migration lifecycle and work closely with technical and functional stakeholders to … execute ETL (Extract, Transform, Load) processes into Dynamics 365 CE modules (e.g., Sales, Customer Service, Field Service). Work with legacy CRM systems, spreadsheets, databases, and proprietary platforms to extract data. Map and transform data into Dynamics 365 CE entities such as Accounts, Contacts, Leads, Cases, and More ❯

including accounting, financial reporting, and budgeting, and how these map to D365. Experience supporting or leading ERP system migrations, particularly from legacy systems to D365. Skilled in gathering, analysing, and documenting business requirements, and translating them into functional specifications and system solutions. Excellent problem-solving abilities with … solutions. Assess and solve complex finance-related problems by applying industry best practices and technology solutions. Support the migration from legacy finance systems to a new platform, ensuring smooth transition and minimal disruption. Analyse and understand matured finance processes and adapt them to the new platform, leveraging More ❯

including accounting, financial reporting, and budgeting, and how these map to D365. Experience supporting or leading ERP system migrations, particularly from legacy systems to D365. Skilled in gathering, analysing, and documenting business requirements, and translating them into functional specifications and system solutions. Excellent problem-solving abilities with … solutions. Assess and solve complex finance-related problems by applying industry best practices and technology solutions. Support the migration from legacy finance systems to a new platform, ensuring smooth transition and minimal disruption. Analyse and understand matured finance processes and adapt them to the new platform, leveraging More ❯

including accounting, financial reporting, and budgeting, and how these map to D365. Experience supporting or leading ERP system migrations, particularly from legacy systems to D365. Skilled in gathering, analysing, and documenting business requirements, and translating them into functional specifications and system solutions. Excellent problem-solving abilities with … solutions. Assess and solve complex finance-related problems by applying industry best practices and technology solutions. Support the migration from legacy finance systems to a new platform, ensuring smooth transition and minimal disruption. Analyse and understand matured finance processes and adapt them to the new platform, leveraging More ❯

assets. Our flagship product, the Ownera Router, powered by the open FinP2P protocol, enables seamless connectivity between institutions, blockchains, and legacy financial systems to unlock new opportunities in digital asset trading and tokenization. Job Overview As a Solutions Engineer , you will partner with the Sales, Product, and … Engineering, Finance, or a related field. Strong understanding of blockchain technology, digital assets, and tokenization. Experience with financial infrastructure, APIs, and legacy systems integration. Beneficial to have experience with scripting (Python, Bash), knowledge of Kubernetes/Docker, or experience working with financial data platforms. Sales & Business Development More ❯

assets. Our flagship product, the Ownera Router, powered by the open FinP2P protocol, enables seamless connectivity between institutions, blockchains, and legacy financial systems to unlock new opportunities in digital asset trading and tokenization. Job Overview As a Solutions Engineer , you will partner with the Sales, Product, and … Engineering, Finance, or a related field. Strong understanding of blockchain technology, digital assets, and tokenization. Experience with financial infrastructure, APIs, and legacy systems integration. Beneficial to have experience with scripting (Python, Bash), knowledge of Kubernetes/Docker, or experience working with financial data platforms. Sales & Business Development More ❯

assets. Our flagship product, the Ownera Router, powered by the open FinP2P protocol, enables seamless connectivity between institutions, blockchains, and legacy financial systems to unlock new opportunities in digital asset trading and tokenization. Job Overview As a Solutions Engineer , you will partner with the Sales, Product, and … Engineering, Finance, or a related field. Strong understanding of blockchain technology, digital assets, and tokenization. Experience with financial infrastructure, APIs, and legacy systems integration. Beneficial to have experience with scripting (Python, Bash), knowledge of Kubernetes/Docker, or experience working with financial data platforms. Sales & Business Development More ❯

to improve new and existing database systems. Assess data implementation procedures to ensure they comply with internal and external regulations. Install and organize information systems to guarantee functionality. Prepare accurate database design and architecture reports for management and executive teams. Oversee the migration of data from legacy systems to new solutions. Educate staff members through training and individual support. Offer support by responding to system problems in a timely manner. Requirements: Strong knowledge of database structure systems and data mining. Knowledge of systems development, including system development life cycle, project management approaches More ❯

to improve new and existing database systems. Assess data implementation procedures to ensure they comply with internal and external regulations. Install and organize information systems to guarantee functionality. Prepare accurate database design and architecture reports for management and executive teams. Oversee the migration of data from legacy systems to new solutions. Educate staff members through training and individual support. Offer support by responding to system problems in a timely manner. Requirements: Strong knowledge of database structure systems and data mining. Knowledge of systems development, including system development life cycle, project management approaches More ❯

to improve new and existing database systems. Assess data implementation procedures to ensure they comply with internal and external regulations. Install and organize information systems to guarantee functionality. Prepare accurate database design and architecture reports for management and executive teams. Oversee the migration of data from legacy systems to new solutions. Educate staff members through training and individual support. Offer support by responding to system problems in a timely manner. Requirements: Strong knowledge of database structure systems and data mining. Knowledge of systems development, including system development life cycle, project management approaches More ❯

to improve new and existing database systems. Assess data implementation procedures to ensure they comply with internal and external regulations. Install and organize information systems to guarantee functionality. Prepare accurate database design and architecture reports for management and executive teams. Oversee the migration of data from legacy systems to new solutions. Educate staff members through training and individual support. Offer support by responding to system problems in a timely manner. Requirements: Strong knowledge of database structure systems and data mining. Knowledge of systems development, including system development life cycle, project management approaches More ❯