1 to 25 of 228 Remote Legacy Systems Jobs in London

to support our transformation and the future growth of the Canada Life UK business. We are on a journey of simplifying our IT estate, removing our legacy systems and delivering innovative solutions through Cloud adoption, AI and expanding our digital services. As a member of the CLUK Product Engineering team, you will be involved in every stage More ❯

to support our transformation and the future growth of the Canada Life UK business. We are on a journey of simplifying our IT estate, removing our legacy systems and delivering innovative solutions through Cloud adoption, AI and expanding our digital services. As a member of the CLUK Product Engineering team, you will be involved in every stage More ❯

during a cloud transformation journey. 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 code quality, 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. Manage the end-to-end 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 to implement CI/CD pipelines, testing frameworks, and cloud-native best practices. Oversee the maintenance and gradual More ❯

during a cloud transformation journey. 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 code quality, 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. Manage the end-to-end 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 to implement CI/CD pipelines, testing frameworks, and cloud-native best practices. Oversee the maintenance and gradual More ❯

during a cloud transformation journey. 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 code quality, 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. Manage the end-to-end 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 to implement CI/CD pipelines, testing frameworks, and cloud-native best practices. Oversee the maintenance and gradual More ❯

for developing and actively contributing to the technical vision and architectural strategy for our multi-language, multi-territory website, the booking and licensing system, and integrations with third-party systems such as ERP, CRM, online payment platforms, Lab, and other business-critical services. This role plays a critical part in ensuring that our technology solutions are scalable, secure, and … goals. The architect will guide cross-functional teams in designing modern, efficient, and maintainable platforms, supporting both product innovation and operational excellence, while also continuously improving and optimizing existing systems and architectures. Your Role Accountabilities Refine and evolve the overall architecture of key software systems, ensuring scalability, performance, and security. Lead architectural design sessions, code reviews, and technical … decision-making across development teams. Work hands-on with existing platforms to refactor, optimize, and modernize legacy systems and integrations. Collaborate with stakeholders across product, engineering, data, and infrastructure to translate business requirements into technical solutions. Evaluate and introduce new technologies, frameworks, and design patterns where appropriate. Act as a technical mentor and advisor to developers and More ❯

Lead initiatives in data cloud management, including usage monitoring and optimization. Configure and test disaster recovery processes, ensuring business continuity through backup and restore exercises. Archive or delete legacy data in line with governance and retention requirements. Delivery & Documentation Conduct data mapping exercises, analysing various sources and formats to … design fit-for-purpose models. Create and present complete logical data models to both technical teams and business stakeholders. Participate in scoping future platforms and assessing legacy systems for migration to Azure. Perform functional and systems analysis, producing supporting documentation (e.g., flowcharts, data diagrams). Be the lead in discovery workshops, weekly stand-ups, and cross … cloud databases, and file systems. Comfortable working with Power Automate, SharePoint, and Office 365 integrations. Basic knowledge of C# or PowerShell for custom data integration tasks. Experience troubleshooting production systems and optimizing SQL workloads. Strong understanding of database administration, performance, and scalability. Cloud certification (e.g., Azure Practitioner or equivalent) is highly desirable. Desirable Experience with AWS services and data More ❯

delivery model. Career Growth : Access to training, certifications, and opportunities to shape technical standards. ?? What You'll Do: Lead end-to-end data migration projects from legacy systems to D365. Design, build, and assure robust migration pipelines using SSIS, KingswaySoft, Azure Data Factory, and more. Define best practices, mentor data engineers, and drive continuous improvement. Engage with More ❯

leading commodities trading firm to hire an experienced Endur Developer to join their London-based Middle Office tech team. In this role, you’ll support and enhance critical regulatory systems built on the Openlink Endur platform, contributing to both legacy system management and the firm’s ongoing cloud transformation. Key Responsibilities Develop, enhance, and support the Openlink … Endur platform (AVS, JVS, OpenComponents – .NET/Java) Maintain and troubleshoot in-house applications integrated with Front and Middle Office systems Collaborate with Business Analysts, Technical Leads, and Architects to deliver scalable, high-quality solutions Ensure alignment with enterprise architecture standards and best practices Work within an Agile (Kanban) environment to deliver across the feature team backlog Utilise Azure More ❯

Participate in broader architectural discussions ensuring robust data governance principles are adhered to and suitable processes and tooling are in place Design and specifications development for migration from legacy system to the new developed products Ensure solutions are implemented correctly, properly documented and easily supported by the team. This list is not exhaustive and may include other tasks … PowerBI or Tableau Data extraction and manipulation languages e.g. SQL, Python Knowledge of statistical software and packages such as R, Matlab, Pandas, NumPy or SciPy Experience with algorithmic trading systems and low-latency trading Knowledge of financial markets is desirable but experience of working in other "big data" or HPC environments is equally valid. Hours of work: 40 hours More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, west london col-narrow-left Client: WebX Systems Ltd. Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote … UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and combine proven legacy systems with cutting-edge, cloud-native innovations. As a privately owned UK business, we take pride in … a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, south west london col-narrow-left Client: WebX Systems Ltd. Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET … DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and combine proven legacy systems with cutting-edge, cloud-native innovations. As a privately owned UK business, we take … a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack More ❯

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 ❯

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 ❯

alignment with our platform and the needs of our customers. MongoDB Pre-Sales Solution Architects are responsible for guiding our customers and users to design and build reliable, scalable systems using our data platform. Our team is made up of seasoned technical sales professionals, software architects, entrepreneurs, and developers who take direct responsibility for customer success, including the design … languages (e.g. Python, Node.js, SQL) and/or popular programming languages (e.g. C/C++, Java, C#) in a professional capacity Experience designing with scalable and highly available distributed systems in the cloud and on-prem Demonstrated ability to work with customers to review complex architecture of existing applications, providing guidance on how to improve by leveraging technology Excellent … with any of the major cloud providers Experience with database programming and data models Experience in data engineering or AI/ML projects Experience in transforming legacy systems and platforms into modern, scalable, and efficient technology stacks Understanding of popular sales methodologies/frameworks such as MEDDPICC/Command of the Message A MongoDB Certification What you More ❯

first approach, working in a fast paced and CI/CD driven environment. Capital One is not your normal financial services company constrained by a fixed mindset and legacy systems. We're an agile business that dreams big, has the resources to deliver big and the credentials to back it up, as we were the first major bank … improving or maintaining the Configuration Compliance programme. Handle stakeholder facing elements of the role with high standards of customer service. Be part of an On-Call rota covering our systems 24x7 (approx 1 week in 10). Bring a can-do attitude to your work, looking to grow and evolve your technical skills and share your knowledge to grow … and Hashicorp Vault. Contributing to solving Enterprise scale problems. Delivering work for multiple stakeholders. Managing security and technology in a regulated environment. What it takes to build and own systems at Enterprise scale. We are committed to creating a level playing field and seek to create teams that are representative of our customers and the communities we serve. We More ❯

ZILO is focused on transforming global transfer agency by providing a single global solution that replaces legacy technology and systems. Our mission is to create sustainable value for firms and the customers they serve, all while putting people first. With a design-driven approach and a commitment to innovation, our team of experts has unified the full breadth … Bachelor's degree in computer science, engineering or related field. Minimum of 3 years of experience in data engineering roles. Strong proficiency in SQL, ETL processes and database management systems (e.g., MySQL, PostgreSQL, MongoDB). Hands-on experience with AWS services for data processing, storage and analysis (e.g., S3, Redshift, EMR, Glue). Familiarity with programming languages such as More ❯

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 ❯

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 ❯

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 ❯

Site Reliability Engineer - Data Lakehouse ZILO is focused on transforming global transfer agency by providing a single global solution that replaces legacy technology and systems. Our mission is to create sustainable value for firms and the customers they serve, all while putting people first. With a design-driven approach and a commitment to innovation, our team of experts … closely with data scientists and business analysts to understand data requirements and translate them into technical solutions Collaborate with DevOps and IT teams to deploy, monitor and troubleshoot data systems Develop and maintain documentation on data infrastructure and processes Stay current with the latest data engineering technologies, tools and practices Qualifications Bachelor's degree in computer science, engineering or … related field Minimum of 3 years of experience in data engineering roles Strong proficiency in SQL, ETL processes and database management systems (e.g., MySQL, PostgreSQL, MongoDB) Hands-on experience with AWS services for data processing, storage and analysis (e.g., S3, Redshift, EMR, Glue) Familiarity with programming languages such as Python or Java Understanding of data warehousing concepts and data 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 ❯

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 ❯

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 ❯