51 to 75 of 657 Legacy Systems Jobs in the UK

responsible for identifying, designing, developing and implementing technology solutions that support the organisation's strategic objectives. This role combines software development, solution architecture, systems integration and technology innovation. The postholder will lead the design and delivery of business applications, databases, record management systems, automation solutions and cloud‐based … whilst maintaining awareness of emerging technologies and industry best practice. The Technology Solutions Lead will play a key role in modernising legacy systems and delivering future‐state digital platforms across the Microsoft ecosystem, including Azure, Microsoft 365, SharePoint, Teams, Fabric, Purview and AI‐enabled technologies. The role ...

Selection changes the language of the page/content Core Distributed Systems Database Engineer London, England, United Kingdom Software and Services Apple's Services Engineering organization (ASE) is seeking a deeply technical Distributed Systems Database Engineer to help architect the next generation of our massive-scale data platform. … Data Services operates Apache Cassandra and related coordination systems across Apple's datacenters worldwide, forming a foundational storage layer for iCloud and hundreds of millions of global users.As our fleet grows, we are evolving our platform to support true multi-tenancy, dense resource utilization, and highly predictable performance. ...

/CD workflows, focusing on consolidation, automation, and scalability. Drive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation for filings … degree or above (or equivalent education) in a STEM discipline. Proven experience in software engineering and development, and a strong understanding of computer systems and how they operate. Hands on Experience in Java , Spring, Understanding of ultra-low-latency development practices. Proven understanding of FX highly preferredWell versed with ...

/CD workflows, focusing on consolidation, automation, and scalability. Drive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation for filings … degree or above (or equivalent education) in a STEM discipline. Proven experience in software engineering and development, and a strong understanding of computer systems and how they operate. Hands on Experience in Java , Spring, Understanding of ultra-low-latency development practices. Proven understanding of FX highly preferredWell versed with ...

Join our Credit Technology team and help architect and build AI-native systems that expand eTrading capabilities for Credit Sales and Trading. This hands-on role blends modern engineering, direct business engagement, and the opportunity to modernize trading platforms with cutting-edge AI tooling. If you're passionate about … troubleshooting with the ability to think beyond routine or conventional approaches to build solutions or break down technical problems Build and support AI-native systems to expand eTrading capabilities, including the development of scalable AI platforms for trading and the modernization of incumbent systems with AI tooling Engage ...

position is available at the Belfast site for an IT in OT Specialist. You will plan and carry out activities to ensure the information systems inside production assets are well serviced, taking responsibility for IT deployment, machine software configuration, validation, scheduled maintenance and IT reactive maintenance - as well … upgrade and disposal of IT business owned software, business owned information systems hardware, business owned IT network devices as well as business owned operating systems. The IT in OT Specialist will play a key role in ensuring the Cyber Security of the Belfast site industrial assets. Additionally, and specific ...

days per week onsite in Warminster, Wiltshire, and five years’ UK residency for SC clearance. What You’ll Be Responsible For: Deploy and configure systems on MODCloud/D2S/OpenShift Manage Kubernetes environments, networking and connectivity, as well as security-aligned configurations. Build and maintain CI/… pipelines, GitOps workflows, and environment configurations to ensure repeatable and reliable deployments. Support running systems by monitoring health, diagnosing platform and infrastructure issues and resolving deployment failures. Work closely with integration engineers, customers and modelling engineers. Support and maintain existing simulation and training systems, as well as existing ...

settlements, inventory/position management, collateral optimization, liquidity and risk management. Architecture & Design: Own the architecture and design of enterprise applications, focusing on distributed systems, and scalable solutions that adapt to changing market conditions. Ensure adherence to technical design, application development standards, and quality processes. Project & Product Delivery: Manage … operations stakeholders, and other partner technology teams to gather requirements, manage expectations, and deliver effective solutions. Identify and mitigate potential risks related to systems, processes, and regulatory compliance. System Optimization: Identify system bottlenecks and deficiencies, devising and implementing robust solutions to enhance resiliency, performance, and scalability. Provide technical consultation ...

business continues to integrate newly acquired companies, it is looking to appoint an experienced Data Migration Lead to take ownership of finance systems data migration across the group. This is a highly influential role where you will lead the end-to-end migration of financial data from multiple legacy systems into a standardised finance platform. You will be responsible for ensuring that data is accurately extracted, cleansed, transformed, mapped, validated and loaded, while maintaining financial integrity throughout each acquisition integration. Key Responsibilities · Lead the end-to-end finance data migration strategy for acquired businesses. ...

solutions that benefit the businessThe role does not involve budget responsibilityDrive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation … trading and quant teamsKey Skills and Experience requiredProven understanding of FX highly preferredUnderstanding of ultra low-latency development practicesProven track record of building new systems, replacing legacy systems and renovating existing systemsThe candidate will have systems (software, hardware, networks) knowledge required to define solutions ...

solutions that benefit the businessThe role does not involve budget responsibilityDrive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation … trading and quant teamsKey Skills and Experience requiredProven understanding of FX highly preferredUnderstanding of ultra low-latency development practicesProven track record of building new systems, replacing legacy systems and renovating existing systemsThe candidate will have systems (software, hardware, networks) knowledge required to define solutions ...

hybrid cloud transformation – You will design and implement modern hybrid data architectures (e.g. Snowflake, Redshift, BigQuery) and drive the migration of legacy systems to cloud-native solutions that unlock agility and performance.We **OPTIMISE** and **SECURE** cloud environments – You will evaluate cloud environments and provide recommendations for performance ...

delivery, providing practical technical leadership to development teams while defining a scalable, long‐term architectural approach. Define the software architecture for complex automation and systems integration projects. Design scalable, secure and maintainable applications using C#/.NET, Python and Django . Establish clear architectural standards, design principles and technology … roadmaps. Translate customer, operational and engineering requirements into practical technical solutions. Design platforms that integrate business applications, databases, automation systems, third‐party products and physical equipment. Define service boundaries, APIs, data flows, interface specifications and integration patterns. Produce architecture diagrams, technical designs, data models and supporting documentation. Design distributed ...

digital platforms perform, scale and recover.You'll work shoulder to shoulder with engineering teams and Product Tech Leads to design, implement and support the systems that guests, owners and colleagues rely on every day. From CI/CD pipelines and observability through to database reliability, incident management and disaster … Drive database reliability across our relational and non-relational estate (RDS PostgreSQL/Aurora PostgreSQL, Oracle, MS SQL, OpenSearch), including critical legacy systems* Champion security by ensuring the right technical and business controls are in place, including supporting accreditation processes* Proactively identify performance, scalability and load improvements ...

category-defining platform for debt markets worldwide. We're looking for a Senior II Product Engineer to take broad technical ownership of the backend systems powering 9fin's platform. You will sit between our Senior and Staff engineering tracks. You will own meaningful systems end to end, lead … financial and legal domain experts. This role suits someone who has already grown beyond a typical senior remit. You enjoy diving into distributed systems problems, and you have firsthand experience scaling services under real production load. What you'll doOwn the design and delivery of significant backend systems ...

migration strategy, scope, approach and delivery plan. Assess migration complexity, risks and dependencies. Support migration cutover and transition planning. Data Discovery & Inventory Analyse source systems and identify data required for migration. Perform data discovery, profiling and inventory assessments. Understand source and target data models, metadata, relationships and dependencies. Data … Strong analytical, troubleshooting and problem-solving skills. Ability to communicate effectively with both business and technical stakeholders. Preferred Experience Migration of legacy systems to Azure or Microsoft Fabric platforms. Previous experience of working on data migration for Governance, Risk and Compliance systems in a Financial Services ...

design, build, and operate scalable data pipelines and data products, enabling a modern data mesh architecture. The role focuses on integrating legacy systems with cloud-native platforms to support analytics, reporting, and domain-owned data products. Primary Skills Strong experience with Databricks (Spark, PySpark/… engineering best practices. Key Responsibilities Build and maintain batch and streaming data pipelines from legacy mainframe DB2 and on prem SQL Server systems into an AWS-based data lake. Implement real-time ingestion using Confluent Kafka and land data in Amazon S3. Develop data transformations and analytics ...

ownership of the technical foundations of our data platform – from ingestion and infrastructure to deployment – helping us move from legacy, on‐premise systems to a modern, cloud‐first data architecture. Working closely with the BI & Data Lead and an Analytics Engineer, you’ll be the primary architect … turning fragmented legacy data into a competitive, AI‐ready asset. If you enjoy building things from the ground up, modernising complex systems, and shaping how data is used across a business, this role offers real ownership and influence. The Role – Data Engineer Designing a greenfield data platform ...

troubleshooting with the ability to think beyond routine or conventional approaches to build solutions or break down technical problems. Build and support AI-native systems to expand our eTrading capabilities, including the development of scalable AI platforms for trading and the modernization of incumbent systems with AI tooling. … with Credit Sales and Trading business partners to understand their strategy and establish technical solutions in partnership with Product teams. Architect and build new systems hands-on, leveraging AI-assisted coding and modern engineering practices. Develop secure, high-quality production code, and review and debug code written by others. ...

workshops with customer technical teams to architect end-to-end solutions: integration flows, data migration strategies, workflow design Design integrations between Rocketlane and enterprise systems (NetSuite, Salesforce, Workday, SAP, HRMS, CRMs, data warehouses) Evaluate integration approaches and make build-vs-buy recommendations: native connectors, iPaaS platforms (Workato, Boomi), custom … execution; work with customer teams to define test scenarios, track defects, and manage go‐live readiness Manage data migration from legacy systems: validate data quality, define transformation rules, oversee cutover planning Use modern AI tools to accelerate delivery: automate documentation, generate project artifacts, build validation scripts, enhance ...

workshops with customer technical teams to architect end-to-end solutions: integration flows, data migration strategies, workflow design Design integrations between Rocketlane and enterprise systems (NetSuite, Salesforce, Workday, SAP, HRMS, CRMs, data warehouses) Evaluate integration approaches and make build-vs-buy recommendations: native connectors, iPaaS platforms (Workato, Boomi), custom … execution; work with customer teams to define test scenarios, track defects, and manage go-live readiness Manage data migration from legacy systems: validate data quality, define transformation rules, oversee cutover planning Use modern AI tools to accelerate delivery: automate documentation, generate project artifacts, build validation scripts, enhance ...

models, support arrangements, supplier relationships and internal capabilities. Identify gaps in documentation, governance, ownership and decision-making. Evaluate the impact of legacy systems and unsupported or obsolete technologies. Assess non-functional considerations, including resilience, scalability, availability, performance, security and maintainability. Business and Capability Analysis Understand the business … environments Enterprise applications ERP, CRM and line-of-business platforms Legacy application modernisation SaaS, COTS and low-code platforms API management and systems integration Event-driven and service-oriented architecture Data platforms, analytics and business intelligence Data governance, quality, lineage and master data Artificial intelligence, machine learning ...

role will focus on designing and building robust data pipelines, migrating data from a wide range of legacy and enterprise source systems, and establishing scalable data flows into Azure Data Lake and Databricks. A key part of the role will also involve integrating data into a proprietary … scale data migration and integration Oracle and/or Oracle Fusion data sources SharePoint data extraction and integration Working with multiple and varied source systems Data transformation, mapping and validation Designing data pipelines in environments where architecture and processes are still developing Key Responsibilities Design, build and maintain data ...

through large-scale production deployments. Design the target solution architecture for enterprise transformations: how Taktile integrates into the customer's existing landscape of core systems, data platforms, and surrounding services, and how that architecture evolves over a multi-year journey. Own the hardest architecture questions in our deals — integration … patterns (event-driven architectures, messaging, APIs, batch, streaming), and you know when to use which. You've worked with enterprise-grade legacy systems — core banking platforms, loan origination systems (LOSs), loan management systems (LMS), front-end SDKs, mainframes, on-prem estates — and know what ...

Posted Yesterdayjob requisition id: R49171## ## **Job Description:**C-SAM is a UK-based software company specialising in asset management, tracking, maintenance, and operational systems for businesses operating in complex, asset-intensive environments, particularly within offshore, energy, and marine sectors. With over 25 years of industry experience … Technical Strategy & Modernisation*** Define and own the technical strategy for modernising legacy Windows applications into web-based and SaaS solutions.* Assess existing systems and determine appropriate modernisation approaches, including refactoring, re-platforming, or re-architecture.* Ensure modernisation work is delivered incrementally to minimise business and customer risk. ...