1 to 25 of 83 Legacy Systems Jobs in the City of London

technologies Ability to recommend solutions 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 and requirements, design and testing techniques Proficiency in data modeling and design, including SQL development and database More ❯

technologies. Ability to recommend solutions 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. Qualifications : Strong knowledge of database structure systems and data mining. Knowledge of systems development, including system development life cycle, project management approaches and requirements, design and testing techniques. Proficiency in data modeling and design, including SQL development and database More ❯

technologies Ability to recommend solutions 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 and requirements, design and testing techniques Proficiency in data modeling and design, including SQL development and database More ❯

technologies Ability to recommend solutions 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 and requirements, design and testing techniques Proficiency in data modeling and design, including SQL development and database More ❯

leadership skills. Key responsibilities: Define end-to-end cloud architectures aligning with business and technology objectives. Develop strategies for cloud adoption, migration, and modernization, ensuring seamless transitioning from legacy systems. Design and implement multi-cloud, hybrid cloud, or cloud-native architectures for scalability and resilience. Provide architectural guidance on security, compliance, and governance in cloud solutions. Collaborate with … conceptual application architectures, ensuring standardization and reusability across cloud environments. Enable automated deployment, CI/CD pipelines, and Infrastructure-as-Code (IaC) for streamlined application lifecycle management. Support legacy application modernization, helping organizations transition from monolithic to cloud-native architectures. Strategic Engagement & Leadership Work closely with senior leadership to align IT strategies with cloud transformation objectives. Define security … masking, access policies). Experience in microservices, containerization, and serverless computing. Proficiency in API management, application security, and CI/CD automation. Deep understanding of transitioning strategies from legacy to cloud-native applications. Security & Compliance - Strong understanding of cloud security controls, IAM, compliance frameworks (GDPR, SOC2, NIST), and threat mitigation strategies. Strategic Collaboration - Experience working with CIOs and More ❯

technologies Ability to recommend solutions 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 and requirements, design and testing techniques Proficiency in data modeling and design, including SQL development and database More ❯

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 ❯

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 ❯

the day-to-day operation of the CRM 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 More ❯

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 ❯

standards, capturing of data and trend predictions, which can be leveraged in order to proactively mitigate emerging risks and avoid non-quality Impacts. From fragmented legacy IT systems holding unreliable data to an integrated R&D and SUPPLY digital & data ecosystem with respective sub-domains to enact step-change operational efficiency and maximize business value by confidently More ❯

an experienced Data Analyst to join a high-impact digital transformation project within a secure government environment. This role focuses on the consolidation and migration of legacy systems into a new, centralised ERP platform . You’ll play a key role in mapping, transforming, and validating large datasets across multiple departments, ensuring data integrity and compliance throughout … the migration lifecycle. Key Responsibilities: Analyse and profile data across legacy systems to understand current data structures and quality Work closely with business users and technical teams to define and document data requirements Support data mapping, transformation, and cleansing processes to prepare for ERP migration Identify data inconsistencies, risks, and remediation strategies Build data validation rules and … Analyst on ERP or large-scale system migration projects ✅ Strong SQL skills and familiarity with Excel, Power BI or other data visualisation tools ✅ Experience working with legacy systems and integrating into modern ERP platforms (e.g., Oracle, SAP, Workday, Unit4, etc.) ✅ Knowledge of data governance and data quality best practices ✅ Excellent communication and stakeholder engagement skills ✅ Active SC More ❯

with Project and Product Roadmaps. Provide accurate progress reports to clients and internal stakeholders. Oversee user testing, issue management, and prioritization. Ensure smooth data migration from legacy systems to target solutions. Manage scope, risks, and changes, ensuring alignment with the agreed solution and business case. Collaborate with internal teams, mentor junior members, and drive process improvements. Qualifications … Strong experience in Project Management, particularly in Agile environments. Knowledge of front, middle and back office Background in Trading Systems Proven ability to manage complex projects and deliver high-quality results. Excellent communication and stakeholder management skills. Experience with data migration and user testing. More ❯

Responsibilities: Work with clients to analyse their current and future business needs, recommend best practice solutions, and define project deliverables Translate accounting requirements into system configurations Configure debt accounting systems (i.e. Allvue, Broadridge Sentry) to track complex instruments Design customised workflows aligned with investment strategies and processes Migrate data from legacy systems with validation controls Track … strategies Produce detailed status reports, track actions, and manage progress meetings Create and deliver training materials and documentation Provide ongoing system optimisation and support Qualifications and Skills: Private Credit Systems Implementation Experience (Highly Desired): Minimum 2-3 years of experience implementing private credit Investment Accounting software is highly valued. Ideal candidates would have exposure to requirements gathering, system configuration … complex capital structures, and accurately book transactions such as drawdowns, repayments, PIK interest, and fee amortisation is essential. Experience reconciling positions and cash flows across administrators, custodians, and internal systems is also highly valued. System Knowledge: Proficiency with industry-standard platforms utilised in private credit investment operations and accounting. Strong expertise with Allvue investment accounting is highly desired. Experience More ❯

customers, and global teams (including a team in Bulgaria) Own and influence technical design, architecture, and best practices Support and develop engineers through mentoring and technical guidance Balance legacy system understanding with innovation in new platforms Work closely with stakeholders across engineering, product, and leadership Tech Stack Backend: .NET Core 8/9, Azure Cloud Frontend: React, Typescript … Experience working on a SaaS product Team Setup UK Engineering Team: 5 engineers (plus a team of contractors), with plans to grow Bulgaria Team: 7 engineers (focused on legacy product support) DevOps: Small, cross-functional team supporting all projects Salary & Benefits: Competitive base salary: up to £130,000 Bonus 10-15% Private healthcare coverage Company pension scheme More ❯

and significant experience working with 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 ensure a smooth, high-quality … transition. Key Responsibilities Lead and 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 Opportunities. Cleanse, deduplicate, and align More ❯

design patterns API Development Building and maintaining RESTful APIs Solid understanding of HTTP protocols, status codes, headers, etc. API documentation using tools like Swagger/OpenAPI Legacy Systems Exposure to or experience with WCF services — we still support some older systems, so comfort working with a mix of modern and legacy tech is key More ❯

and monitoring Clear communicator, comfortable with cross-functional teams Desirable Experience APIs from major financial data providers dbt, Snowflake Kafka, Airflow Java feedhandler support Migration of legacy systems (e.g. MATLAB) This position offers a competitive compensation package and hybrid working model. More ❯

a digital ecosystem that enhances the company’s hydrogen production and sales operations. This role is instrumental in advancing the digital transformation agenda by integrating isolated legacy systems, deploying new digital tools, and ensuring full compliance with evolving regulatory frameworks. The ideal candidate will combine technical acumen with excellent programme management skills and a strong grasp of … leadership, and stakeholder engagement skills Sound financial and budgeting capabilities Effective multitasking and problem-solving abilities under pressure Proficiency in project management tools (e.g. Microsoft Project) Experience integrating diverse systems and technologies Knowledge of Python is a plus Familiarity with UK low-carbon certification schemes (LCHS, RTFC) is advantageous #J-18808-Ljbffr More ❯

functional excellence by defining and maintaining standards, methods, and tools, incorporating best practices from market-standard implementations. Manage complex integration scenarios and interfaces between on-premise, cloud, and legacy systems. Skills & Requirements: 15+ years of relevant software development experience with a comprehensive full stack profile (front-end, back-end, cloud automation, orchestration). Proficient in .NET and .NET More ❯

Strong knowledge of finance processes, 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 a track record of identifying … business needs and deliver effective 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 your expertise to enhance business More ❯

will be part of a collaborative and innovative environment, supporting the FX Options Trading business. The team focuses on developing cutting-edge solutions while transitioning from legacy systems, and this is an exciting opportunity to work on high-impact projects in a fast-paced front office environment . Key Responsibilities: Develop, deploy, and support front-office applications … Making, and Trade Booking. Collaborate closely with brokers, external clients, and business partners to expand and improve electronic offerings. Ensure system integration with upstream trade execution platforms and enhance systems to meet regulatory requirements (MiFID II, UMR, IMM). Liaise with teams across Trading, Sales, Market Risk, and Operations to gather requirements and implement key changes. Support and develop More ❯

Date: 31.07.2025 col-wide Job Description: About the Company We are seeking an experienced IT Business Analyst (end to end) to lead the replacement of legacy lending systems with Loan IQ, a corporate lending processing suite of Finastra. The ideal candidate will have a strong background in Commercial Banking operations, particularly with regards to Loans as a … product, and extensive experience in leading IT business analysis with focus on definition of the target process, the target state of systems integration, and their SIT strategy within complex global environments. The role requires effective stakeholder management across London and the US, and a deep understanding of software development lifecycles, strong business process modelling skills, and knowledge about integration … RTB IT development teams, and key business stakeholders. About the Role The role involves leading the IT integration work stream of Loan IQ implementation with various upstream and downstream systems, engaging with stakeholders, providing project status updates, collaborating with cross-functional teams, and facilitating workshops and meetings. Responsibilities Workstream Leadership: Lead the IT integration work stream of Loan IQ More ❯

As the Enterprise Security Architect, you’ll own the definition and implementation of enterprise-wide security architecture. You’ll be responsible for designing strategies and frameworks that secure critical systems and services, spanning both on-premise and cloud environments. You’ll also play a hands-on leadership role in mentoring solution and technical architects, ensuring security is a foundational … business and technology strategies into security-focused architecture patterns Design and maintain conceptual and logical security architectures across multiple technology domains Support secure delivery of cloud and on-premise systems (Oracle, Microsoft, Salesforce, MuleSoft) Guide solution and technical architects on security principles, best practices, and assurance Contribute to architecture governance, standards, and documentation Partner with product, digital, data, finance … an Enterprise or Security Architect in complex environments Strong understanding of enterprise security frameworks, governance, and risk management Experience delivering secure architectures in cloud, hybrid, and legacy systems Hands-on knowledge of modelling tools and frameworks (UML, ArchiMate, Bizz design ideal) Broad technical knowledge across infrastructure, data, CRM, HR, and finance systems Strong communication and stakeholder More ❯

this role is to facilitate the seamless, efficient, and effective migration of applications from the current technology stack to a modernized platform. This includes upgrades to the latest operating systems, database versions, and associated infrastructure components. The role is pivotal in ensuring that the migration process is technically sound, strategically aligned, and executed with minimal disruption to business operations. … versatile Technical Scrum Master with deep expertise in Agile methodologies to support a major application migration initiative. This role is essential in driving the transformation of legacy systems into a modern, scalable, and secure technology environment. The ideal candidate will be an experienced professional who is comfortable working in close partnership with a diverse range of global … to the Software Development Life Cycle (SDLC). The role contributes directly to the execution of the IT Strategy, supports revenue-generating and regulatory initiatives, and ensures that IT systems provide a competitive edge. Additionally, the role actively promotes Diversity and Inclusion across all aspects of the development lifecycle and team dynamics. Position Description Lead and manage Agile scrums More ❯