Permanent Legacy Systems Jobs in London

1 to 25 of 184 Permanent Legacy Systems Jobs in London

Senior Cloud and Data Solution Architect

London Area, United Kingdom
Coforge
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 ❯
Posted:

Senior Cloud and Data Solution Architect

City of London, London, United Kingdom
Coforge
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 ❯
Posted:

Guidewire Platform Architect

City of London, London, United Kingdom
Tata Consultancy Services
for the chosen solution. Your Profile Essential skills/knowledge/experience: Understand the Guidewire Data Model and the Application Landscape. Experience in integrating Guidewire Claims Centre with downstream systems including finance systems (general ledger), payment systems and documents management systems. Experience in integrating Guidewire Claims Centre V10 and SaaS Cloud with third party/broker policy … management systems. Experienced in migrating data from legacy systems to Guidewire Claims Centre. Expertise in reconciling data from Guidewire with Datawarehouse. Experience and abilities demonstrated with GOSU programming, XML, PCF, REST and SOAP. Experience with source code management systems such as Subversion, GitHub. Knowledge of General Insurance domain and claims processes. Experience working in multiple technologies More ❯
Posted:

Guidewire Platform Architect

London Area, United Kingdom
Tata Consultancy Services
for the chosen solution. Your Profile Essential skills/knowledge/experience: Understand the Guidewire Data Model and the Application Landscape. Experience in integrating Guidewire Claims Centre with downstream systems including finance systems (general ledger), payment systems and documents management systems. Experience in integrating Guidewire Claims Centre V10 and SaaS Cloud with third party/broker policy … management systems. Experienced in migrating data from legacy systems to Guidewire Claims Centre. Expertise in reconciling data from Guidewire with Datawarehouse. Experience and abilities demonstrated with GOSU programming, XML, PCF, REST and SOAP. Experience with source code management systems such as Subversion, GitHub. Knowledge of General Insurance domain and claims processes. Experience working in multiple technologies More ❯
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Senior Oracle Developer

City of London, London, United Kingdom
HCLTech
testing strategies to ensure parity and quality. Assist in managing a hybrid Oracle/.NET environment during phased rollout. Contribute to BAU operations and the stability of the legacy system while migration activities are underway. Required Skills & Experience 5+ years of experience developing in Oracle PL/SQL, including deep knowledge of stored procedures, triggers, and packages. Proven … to work collaboratively in a cross-functional team environment. Strong problem-solving ability and attention to technical detail. Excellent communication skills, with the ability to document and explain complex systems clearly. Desirable Skills Experience working with legacy PHP systems and their integration with Oracle. Exposure to AI-assisted development tools for code analysis and migration. Familiarity More ❯
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Senior Oracle Developer

London Area, United Kingdom
HCLTech
testing strategies to ensure parity and quality. Assist in managing a hybrid Oracle/.NET environment during phased rollout. Contribute to BAU operations and the stability of the legacy system while migration activities are underway. Required Skills & Experience 5+ years of experience developing in Oracle PL/SQL, including deep knowledge of stored procedures, triggers, and packages. Proven … to work collaboratively in a cross-functional team environment. Strong problem-solving ability and attention to technical detail. Excellent communication skills, with the ability to document and explain complex systems clearly. Desirable Skills Experience working with legacy PHP systems and their integration with Oracle. Exposure to AI-assisted development tools for code analysis and migration. Familiarity More ❯
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Managing Consultant - Data & AI Architecture (London)

London, UK
Hybrid / WFH Options
Capgemini
both operational and analytical workloads, leveraging cloud technologies (AWS, GCP, Azure). Hybrid Cloud & Data Migration Solutions- Implement cloud-based hybrid data architectures (e.g., Snowflake, Redshift, BigQuery), migrate legacy data systems. Developing innovative solutions: Lead the creation of PoCs and MVPs for Data platforms to host advanced analytics & AI solutions focusing on the needs and objectives of the More ❯
Employment Type: Full-time
Posted:

Senior Oracle Developer - Oracle to Migration Project

London, United Kingdom
Hybrid / WFH Options
Career Moves Group
testing strategies to ensure parity and quality. Assist in managing a hybrid Oracle/.NET environment during phased rollout. Contribute to BAU operations and the stability of the legacy system while migration activities are underway. Required Skills & Experience 5+ years of experience developing in Oracle PL/SQL, including deep knowledge of stored procedures, triggers, and packages. Proven … to work collaboratively in a cross-functional team environment. Strong problem-solving ability and attention to technical detail. Excellent communication skills, with the ability to document and explain complex systems clearly. Desirable Skills Experience working with legacy PHP systems and their integration with Oracle. Exposure to AI-assisted development tools for code analysis and migration. Familiarity More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solutions Architect (Data Analytics) (London)

London, UK
ZipRecruiter
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 ❯
Employment Type: Full-time
Posted:

Solutions Architect (Data Analytics)- Presales, RFP creation (London)

London, UK
ZipRecruiter
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 ❯
Employment Type: Full-time
Posted:

Enterprise Solution Architect - 6 month FTC › (London)

London, UK
Aztec
London Reports to Director for Technology for Group and Operations The Enterprise Solution Architect for Technology plays a critical role in shaping Aztec Group’s technology landscape, ensuring that systems, integrations, and data architectures align with business objectives and market needs. Reporting to the Director for Group and Operations, you will define and govern enterprise-wide technology strategies, focusing … and cloud adoption. As a key advisor to senior stakeholders, the Enterprise Solution Architect will bridge business needs with technology capabilities, contributing to the transformation of legacy systems and integrating cutting-edge solutions to optimize operational workflows and processes. Key responsibilities: Enterprise Architecture & Strategy Define and maintain the technology architecture for Technology, ensuring alignment with business strategy … deliverables. Continuous Improvement: Identify opportunities for process improvements and drive initiatives to enhance the overall technology landscape. Qualifications & Experience Bachelor’s or master’s degree in computer science, Information Systems, or related field. Enterprise Solution Architecture Expertise: 10 years + experience as a Enterprise/Senior Solution Architect within a global/national organisation, Strong knowledge of modern enterprise More ❯
Employment Type: Full-time
Posted:

Cloud Solution Architect (London)

London, UK
Tata Consultancy Services
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 ❯
Employment Type: Full-time
Posted:

Solution Architect - Hospitality Technology (London)

Highgate, Greater London, UK
Smartedgesolutions
A) . The new property will operate under a separate brand , requiring distinct technical, operational, and distribution strategies. This role is critical in architecting a clean separation from existing systems while ensuring the new brand is intentionally excluded from direct digital distribution platforms and to be sold only on OTAs and GDS. The architect will also lead a comprehensive … impact assessment across systems, operations, and digital channels. Key Responsibilities: ·Design and lead the migration of existing PMS infrastructure to Oracle Opera Cloud PMS for the newly acquired property. ·Architect a technical and operational separation of systems to support a distinct, standalone brand identity. ·Define and implement restrictions to prevent the new property from being sold or marketed … websites. ·Define and implement strategies to sell the new property on GDS and OTAs ( booking.com , Expedia). ·Conduct detailed impact assessments across current customer technology platforms, guest experience, financial systems (FUSION), interfaces, and internal operations. ·Develop data migration strategies ensuring accuracy, compliance, and data integrity throughout the transition. ·Collaborate with stakeholders from IT, operations, e-commerce, revenue management, and More ❯
Employment Type: Full-time
Posted:

DXC Assure Reinsurance - Sr Analyst

London, United Kingdom
DXC Technology Inc
platform. Design, develop, and maintain critical software components using Java , Spring Boot , and Spring Cloud in a Microservices architecture. Build and enhance RESTful APIs that integrate seamlessly with other systems and services. Work with cloud infrastructure, primarily AWS , to deploy and support applications in production environments. Collaborate with cross-functional teams to ensure the delivery of high-quality software … retrocession. Exposure to containerization tools such as Docker or Kubernetes . Relevant certifications in Java development, AWS, or DevOps tools are a plus. Experience with cloud modernisation and legacy system migration. What We Can Offer You: Competitive Compensation & Pension Scheme: Rewarding your expertise while helping secure your financial future. Comprehensive Benefits Package: Including DXC Select , Perks at Work … purchase IT or other equipment on our behalf.More information on employment scams is available here . About Us DXC Technology (NYSE: DXC) helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Application Developer - Data

London, United Kingdom
Hybrid / WFH Options
Idexx Laboratories
services. You will serve as the go-to engineer for: End-to-end data migration architecture ( on-premise to cloud or cloud-to-cloud). Designing scalable and secure systems using AWS services like S3, Lambda, and EKS, EC2, VPC, RDS. Interfacing with both legacy PHP/C# systems and modern .NET cloud-native services. We … needs by focusing on innovation to drive meaningful improvements in animal health. A bit more about the role, you will: Lead migration of data assets from legacy systems to our cloud-native environments using AWS and our bespoke Conversion Framework. Build new and maintain existing bespoke systems. Implement .NET-based microservices with strong observability and integration with … Terraform, and secure service architecture. Coach junior developers and collaborate cross-functionally with product and platform teams. So what are we looking for? Bachelor's in Computer Science , Information Systems, or equivalent experience. 7+ years in software or data engineering, with strong recent experience in cloud data migrations. Proficient with MySQL, OOP, AWS (EC2, S3, Lambda). Experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

QA Analyst - Oracle to NET (C#) Migration & Hybrid System Testing

London, United Kingdom
Hybrid / WFH Options
Career Moves Group
Migration & Hybrid System Testing Location: Nottingham/London - Hybrid Length: ASAP - Jan 2026 (6 months) Rate: £450 Hours: 9-6pm About the Project We are modernising a legacy enterprise system built on PHP and Oracle, transitioning to a modern .NET (C#) architecture. This transformation involves re-engineering over 240 Oracle stored procedures and decoupling critical business logic … that behaviour, data integrity, and business rules are preserved. The QA Analyst will play a key role in validating the equivalence of the new system, ensuring that both legacy and re-implemented components function correctly in parallel during the transition. Key Responsibilities Develop and execute detailed test plans and test cases across both the legacy Oracle … or iterative development cycles. What We Offer A pivotal QA role in a high-impact digital transformation. The opportunity to work on both legacy and next-generation systems simultaneously. A collaborative, detail-driven team environment focused on delivering quality at scale. Exposure to modern development practices and AI-enhanced tooling. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Oracle Functional Analyst

City of London, London, United Kingdom
Talent
Consultant with experience of Oracle Finance Functional Design to support a major ERP transformation. You’ll work on the migration and integration of financial data from legacy systems into Oracle ERP, ensuring robust functional design and data integrity. You’ll act as the bridge between business stakeholders and technical teams, shaping finance data structures that meet operational … and compliance needs. Key Responsibilities: Collaborate with Finance SMEs to gather and document functional requirements Analyse existing legacy data structures and define target Oracle Finance data models Develop functional design specifications for Oracle Finance modules (e.g. GL, AP, AR, FA, CM) Support data mapping, transformation, and reconciliation activities Define and validate data migration rules in line with financial More ❯
Posted:

Oracle Functional Analyst

London Area, United Kingdom
Talent
Consultant with experience of Oracle Finance Functional Design to support a major ERP transformation. You’ll work on the migration and integration of financial data from legacy systems into Oracle ERP, ensuring robust functional design and data integrity. You’ll act as the bridge between business stakeholders and technical teams, shaping finance data structures that meet operational … and compliance needs. Key Responsibilities: Collaborate with Finance SMEs to gather and document functional requirements Analyse existing legacy data structures and define target Oracle Finance data models Develop functional design specifications for Oracle Finance modules (e.g. GL, AP, AR, FA, CM) Support data mapping, transformation, and reconciliation activities Define and validate data migration rules in line with financial More ❯
Posted:

Solutions Architect (Data Analytics)- Presales, RFP creation (London)

London, UK
Vallum Associates
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 ❯
Employment Type: Full-time
Posted:

Business Analyst Digital Assets

London, United Kingdom
Berenberg
driven bank. As an IT professional, you will work closely with our business units. Our technology teams offer an environment with exciting challenges - supporting and developing legacy systems or introducing modern technologies such as AI, machine learning, and highly automated trading applications. Our Technology department, comprising around 300 employees, works largely in an agile manner using a … platform. Monitor market trends in cryptocurrencies and digital assets to identify new business opportunities and relevant regulatory requirements. Who are we looking for? University degree, ideally in business information systems, business administration, economics, or computer science. Strong knowledge of digital assets/cryptocurrencies. Experience in creating user stories and working with IT teams (e.g., agile/scrum). Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Architect (London)

London, UK
Hybrid / WFH Options
Jobs via eFinancialCareers
looking for a talented Data Architect to help shape the future of its data landscape. This high-priority initiative will see the organisation move from complex legacy systems to a modern, cloud-based environment , leveraging the power of Azure, Python, and Databricks . You will be central to designing the data architecture that underpins this transformation, ensuring … You’ll Be Doing: Design and implement robust, scalable data architecture on the Microsoft Azure cloud platform. Lead the adoption of Databricks and cloud-native tools to modernise legacy systems. Define data standards, domains, and governance frameworks to support business-critical functions like … trading, risk, operations, and regulatory reporting. Build both real-time and batch data pipelines to support fast, data-driven decision-making. Model enterprise data structures and ensure alignment across systems and teams. Document metadata, lineage, and ownership to support compliance and transparency. Collaborate closely with Data Engineers , Software Developers , and Business Stakeholders to align technical solutions with commercial needs. More ❯
Employment Type: Full-time
Posted:

Senior Data Engineer

London, United Kingdom
Hybrid / WFH Options
Idexx Laboratories
services. You will serve as the go-to engineer for: End-to-end data migration architecture ( on-premise to cloud or cloud-to-cloud). Designing scalable and secure systems using AWS services like S3, Lambda, and EKS, EC2, VPC, RDS. Interfacing with both legacy PHP/C# systems and modern .NET cloud-native services. We … needs by focusing on innovation to drive meaningful improvements in animal health. A bit more about the role, you will: Lead migration of data assets from legacy systems to our cloud-native environments using AWS and our bespoke Conversion Framework. Build new and maintain existing bespoke systems. Implement .NET-based microservices with strong observability and integration with … Terraform, and secure service architecture. Coach junior developers and collaborate cross-functionally with product and platform teams. So what are we looking for? Bachelor's in Computer Science , Information Systems, or equivalent experience. 7+ years in software or data engineering, with strong recent experience in cloud data migrations. Proficient with MySQL, OOP, AWS (EC2, S3, Lambda). Experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Consultant - Migration Architect

London, United Kingdom
Hybrid / WFH Options
Veeva Systems, Inc
Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $2B in revenue in our last fiscal year with extensive growth potential ahead. At the heart of Veeva are our values: Do the Right Thing, Customer … can thrive in your ideal environment. Join us in transforming the life sciences industry , committed to making a positive impact on its customers, employees, and communities. The Role Veeva Systems is looking for a Migration Architect who will become a leading member of our EU Professional Services group, providing migration solutions on project teams implementing Veeva Vault R&D … long as you are in close proximity to an airport and are able to meet future travel requirements. Short visits to customer sites in Europe are very likely. Veeva Systems does not anticipate providing sponsorship for employment visa status for this employment position. What You'll Do Provide subject matter expertise on the Vault R&D migration implementation, including More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Technical Delivery Manager (London)

London, UK
ZipRecruiter
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 ❯
Employment Type: Full-time
Posted:

Senior Technical Delivery Manager (London)

London, UK
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 ❯
Employment Type: Full-time
Posted:
Legacy Systems
London
10th Percentile
£55,350
25th Percentile
£60,313
Median
£77,500
75th Percentile
£96,563
90th Percentile
£105,750