101 to 125 of 132 Legacy Systems Jobs in London

Specific Experience (Highly Desirable) Whilst ERP experience is a must, direct experience building integrations out of Infor LN (or legacy Baan systems). Familiarity with Infor LN’s database schemas and functional tables (Finance, Logistics, Procurement, Warehousing, or Manufacturing modules). Understanding of how Infor LN interacts ...

working with a client who are seeking an experience Solution Architect with strong background in leading the architectural design for the replacement of legacy systems. Key Responsibilities: * 'As-Is' Architecture Baseline: Work closely with the existing technical experts to decode and document the complex, often undocumented … Design: Architect a modern integration layer to provide secure, scalable API flows and message queues to connect the platform with the existing editorial production systems, corporate systems and external SaaS applications. * Transition & De-risking Strategy: Develop a phased migration roadmap that allows the business to transition functionality ...

Engineering based in London. You will lead multiple engineering teams, focusing on the technical strategy for our content platform, while transforming legacy systems into scalable, reliable architectures. Your role will involve enhancing system reliability, applying automation, and fostering an inclusive engineering culture. You will work closely with ...

expertise in: API design (RAML/OpenAPI) DataWeave transformations REST/SOAP integrations Experience integrating with: Salesforce (Sales/Service Cloud) Powercloud (utility billing systems) SAP (IS-U/legacy billing systems preferred) Solid understanding of Energy & Utilities business processes (metering, billing, customer management, etc.) Experience … design development deployment support) Strong troubleshooting and debugging skills Team player working with multiple vendors Preferred Qualifications Experience with event-driven architectures and messaging systems (Kafka, JMS, etc.) Familiarity with cloud platforms (Azure/AWS/GCP) Knowledge of DevOps practices and CI/CD pipelines MuleSoft certifications (e.g. ...

expect to be involved in the following: Design and implement a governed Databricks Lakehouse, including catalog and data structures. Migrate complex legacy SQL into clean, modular, and maintainable pipelines. Build scalable transformation frameworks using Spark and Python or SQL-based pipelines. Optimise query performance across large datasets, improving … Delta Lake, Unity Catalog, and SQL Warehousing. Advanced SQL skills with a focus on performance tuning and optimization. Experience migrating legacy data systems into scalable architectures. Proven ability to design and build data pipelines using Spark and Python or SQL. Strong understanding of data modelling, including star ...

Webhook integrations, and Event-Driven Architecture using Kafka or Azure Event Hubs. Legacy-to-Cloud: Demonstrable experience migrating legacy monolithic systems into containerised microservices architectures. Tooling: Proficient in Visio or LucidChart for architectural modelling; disciplined in Confluence for documentation practices. Duties Blueprint Delivery: Develop high … deliverables meet internal quality, security, and scalability thresholds. Data Integration Leadership: Orchestrate complex data mapping between legacy IBM iSeries (DB2/RPG) systems and modern API middleware - a technically demanding challenge requiring deep integration expertise. Systemic Remediation: Lead deep-dive investigations into recurring platform failures error surges ...

Webhook integrations, and Event-Driven Architecture using Kafka or Azure Event Hubs. Legacy-to-Cloud: Demonstrable experience migrating legacy monolithic systems into containerised microservices architectures. Tooling: Proficient in Visio or LucidChart for architectural modelling; disciplined in Confluence for documentation practices. Duties Blueprint Delivery: Develop high … deliverables meet internal quality, security, and scalability thresholds. Data Integration Leadership: Orchestrate complex data mapping between legacy IBM iSeries (DB2/RPG) systems and modern API middleware - a technically demanding challenge requiring deep integration expertise. Systemic Remediation: Lead deep-dive investigations into recurring platform failures error surges ...

Webhook integrations, and Event-Driven Architecture using Kafka or Azure Event Hubs. Legacy-to-Cloud: Demonstrable experience migrating legacy monolithic systems into containerised microservices architectures. Tooling: Proficient in Visio or LucidChart for architectural modelling; disciplined in Confluence for documentation practices. Duties Blueprint Delivery: Develop high … deliverables meet internal quality, security, and scalability thresholds. Data Integration Leadership: Orchestrate complex data mapping between legacy IBM iSeries (DB2/RPG) systems and modern API middleware - a technically demanding challenge requiring deep integration expertise. Systemic Remediation: Lead deep-dive investigations into recurring platform failures error surges ...

defined standards for quality, security, and scalability. Data Integration Leadership: Lead complex data integration efforts, mapping legacy IBM iSeries (DB2/RPG) systems with modern API-driven middleware—requiring strong technical and architectural expertise. Systemic Remediation: Investigate recurring platform issues such as 5xx error spikes, latency problems … based integrations, and event-driven architectures using Kafka or Azure Event Hubs. Legacy-to-Cloud: Proven experience transforming legacy monolithic systems into containerised microservices. Tooling: Skilled in Visio or Lucidchart for architecture design, with disciplined use of Confluence for documentation. Certification: AZ-305 (Azure Solutions ...

Role Summary Lead design and build of Snowflake-based data platform for an insurance client Drive migration from SQL Farm/legacy data ecosystem Build hub-and-spoke enterprise data platform supporting multiple applications Work closely with business stakeholders + global delivery teams Key Responsibilities Define and implement … Data engineering/ETL/ELT frameworks Proven experience in: Medallion architecture Enterprise data platform/lakehouse design Migration from legacy SQL systems Strong understanding of: Data modelling Data governance & security Domain Experience Mandatory: Insurance domain experience Highly preferred: Reinsurance domain exposure Leadership & Communication Experience managing onshore ...

readiness across all domains, delivery phases, and regions. This will include the delivery of data from the various, internationally disparate legacy IT systems (including SAP R3/BO) to the new IFS solution. Both a business data workstream and a technical IFS data migration workstream ...

Data Services, and other ETL/integration tools, ensuring scalability and repeatability across multi-wave programme s.Lead complex data conversion activities across SAP systems, including HR (SuccessFactors & Payroll), Supply Chain (EWM), and Master Data governance platforms (MDG ).Drive cutover planning and execution from a data perspective, ensuring predictable outcomes … planning, reconciliation, and alignment with business timeline s.Define and oversee reconciliation, validation, and audit processes to ensure data completeness, accuracy, and integrity across all systems in scop e.Facilitate data design and migration workshops with business stakeholders, translating requirements into data models, mappings, and transformation rules across multiple functional domain ...

Software Engineer, you'll be responsible for supporting and enhancing the hx Renew pricing platform while assisting with the transition away from a Legacy ratings platform. You'll work closely with technical and business stakeholders to design, develop and deliver robust software solutions that support critical insurance pricing … system. Work closely with business users and technical teams to gather requirements and translate them into scalable technical solutions. Lead technical discussions across multiple systems and development teams. Provide technical guidance and mentoring to other engineers. Troubleshoot, debug and resolve complex production issues. Contribute to software architecture, engineering standards ...

build, and maintain NetSuite customisations using SuiteScript (1.0 and 2.0/2.1) and SuiteFlow workflows Develop scalable and maintainable enhancements aligned with business requirements Systems Integration Design, implement, and support integrations between NetSuite and third-party applications Work with REST/SOAP APIs and data formats such as JSON … reporting requirements across teams Troubleshooting & Optimisation Diagnose and resolve script errors, integration issues, and system performance bottlenecks Lead performance optimisation initiatives, including refactoring legacy scripts and improving system efficiency Release & Change Management Manage deployment of customisations across Sandbox and Production environments Ensure controlled releases with minimal disruption ...

core banking platform Act as the internal subject matter expert, aligning business requirements with platform capabilities Review and challenge decisions relating to core banking systems and associated technologies Technical & Architectural Governance Deliver architectural guidance across core banking components and integrations Critically evaluate proposals from third-party partners and system … native, digital, and AI-driven integration strategies Champion event-driven architecture and modern integration patterns (AWS-aligned) Support large-scale transformation initiatives, including legacy system migration Delivery & Governance Oversee end-to-end architecture across build, test, and release cycles Collaborate with architecture, programme, and delivery stakeholders to ensure ...

procurement as levers for competitive advantage—someone who will proactively drive initiatives that help the entire company move faster. You'll own the systems and processes that enable our team members in Oslo, London, San Francisco, and across North America and Europe to do their best work. … Operations Build AI‐powered workflows that make onboarding, offboarding, and day‐to‐day IT support nearly invisible Design self‐service systems that scale with the company without requiring proportional headcount growth Own the device lifecycle with automation‐first thinking: provisioning, deployment, recovery, and secure disposal Manage identity and access ...

orchestration and configuration management. Implementing security best practices across automation platforms, CI/CD pipelines, and infrastructure deployments. Integrating automation platforms with enterprise systems using APIs, webhooks, and event-driven workflows. Creating reusable templates, frameworks, and standards to improve automation consistency across teams. Producing technical documentation, operational procedures … platforms within production environments. Solid understanding of automation and CI/CD security best practices, including RBAC, secrets management, and pipeline hardening. Experience integrating systems using REST APIs and event-driven architectures. Familiarity with Azure cloud services and cloud-native automation approaches. Does this sound like your next career ...

orchestration and configuration management. Implementing security best practices across automation platforms, CI/CD pipelines, and infrastructure deployments. Integrating automation platforms with enterprise systems using APIs, webhooks, and event-driven workflows. Creating reusable templates, frameworks, and standards to improve automation consistency across teams. Producing technical documentation, operational procedures … platforms within production environments. Solid understanding of automation and CI/CD security best practices, including RBAC, secrets management, and pipeline hardening. Experience integrating systems using REST APIs and event-driven architectures. Familiarity with Azure cloud services and cloud-native automation approaches. Does this sound like your next career ...

strong hands-on Unix/Linux engineer with deep Linux and Solaris administration capability, required to support a security-critical production estate including legacy Solaris … platforms. Key Technical Skills: Linux Administration RHEL/CentOS (or equivalent) Performance troubleshooting, patching, system management Solaris Strong experience administering legacy Solaris systems ZFS, system stability, and production support Core Unix Engineering OS-level troubleshooting (CPU, memory, disk, services) System patching, upgrades, and lifecycle management Scripting/ ...

strong hands-on Unix/Linux engineer with deep Linux and Solaris administration capability, required to support a security-critical production estate including legacy Solaris … platforms. Key Technical Skills: Linux Administration RHEL/CentOS (or equivalent) Performance troubleshooting, patching, system management Solaris Strong experience administering legacy Solaris systems ZFS, system stability, and production support Core Unix Engineering OS-level troubleshooting (CPU, memory, disk, services) System patching, upgrades, and lifecycle management Scripting/ ...

platform from a legacy Django application to a service-based .NET platform, with React & TypeScript frontends on AWS. Our systems power regulatory reporting for major financial institutions, requiring precision, traceability, and reliability. Key Responsibilities Own delivery for our core domain services and web applications. Manage and mentor … coach capacity. Design, build, and optimize services using C# and .NET. Apply principles and best practices from DDD, Event-Driven and hexagonal architecture. Ensure systems are auditable, resilient and observable in regulated environments. Champion AI tooling in developer workflows to accelerate delivery without compromising quality. Partner with Product, Data ...

This is a hands-on technical role focused on building sovereign, compliant, and autonomous AI solutions that scale. What You'll Do Architect Agentic Systems: Design and deploy production-ready multi-agent ecosystems capable of advanced tool calling, state management, long-term memory, and autonomous execution. Build Orchestration Pipelines … Clearance is mandatory; active NPPV3 is a distinct advantage. Enterprise Integration Skills: Proven ability to merge advanced AI workflows with standard IT infrastructure, database systems, and secure networks. Production Mindset: Strong commitment to rigorous testing, continuous monitoring, and operational support models for live AI applications. ...

have product management experience and are comfortable owning and delivering roadmaps You’ve worked on backend services or platforms and understand how systems operate under the hood You’re a strong systems thinker, able to understand how different components interact and scale You’re technically minded, but always … proactive and curious, with a drive to learn and build deep domain expertise You’re comfortable working across both legacy and modern systems You’re skilled at stakeholder management and can prioritise effectively across competing needs You enjoy enabling others and are motivated by impact beyond just ...

enables secure digital services, improves user experience, and supports long-term organisational objectives. The organisation currently operates a complex identity ecosystem comprising a legacy Student Information System (SIS), Active Directory, Microsoft Entra ID, and Auth0, with multiple identity stores and overlapping user management processes. Key Responsibilities Lead … technical assessments to understand current-state identity capabilities and challenges. Assess the existing identity architecture, including Active Directory, Microsoft Entra ID, Auth0, and legacy SIS integrations. Define a target-state identity operating model and architecture aligned to business and security requirements. Evaluate identity platform options and market offerings ...

Platform built for the enterprise. Global organizations trust OutSystems to rapidly build mission-critical apps and agents, modernize legacy processes with agentic systems, and govern their entire AI portfolio across complex regulatory environments, all on one unified platform.As the future becomes agentic, our customers need ...