13 of 13 Legacy Systems Jobs in West London

confidently govern third-party delivery to high standards. The Role You'll play a key role in designing and shaping scalable, resilient systems across e-commerce and integration platforms. Working closely with internal teams and external vendors, you'll ensure solutions are robust, secure, and aligned with long-term … third-party code and architecture to ensure adherence to defined standards and best practices. Integration Leadership: Lead complex data integrations between legacy systems and modern API-driven middleware environments. Problem Resolution: Investigate recurring system issues (e.g. performance, errors, data inconsistencies) and implement sustainable, long-term solutions. Documentation ...

Architect to shape the technology behind our Gas & Power Trading International (GPTI) business. This role sits across the full trading landscape from front-office systems to back-office processing, data platforms, integrations and infrastructure. Youll take ownership of the technology roadmap, with a strong focus on the Endur … technology is aligned, scalable and fit for the future. Youll play a key role in modernising our estate moving from legacy systems to more cloud-based and hybrid solutions while keeping performance and reliability at the level required for real-time trading. Were also looking for someone ...

environments Define, implement, and enforce robust SOPs for backups, disaster recovery, patch management, and hardware lifecycle Ensure reliable connectivity between legacy core systems and modern application platforms Oversee internal security monitoring and collaborate with external security partners (SOC/MDR) Lead incident and problem management activities, including … including incident, problem, and change management processes Experience with ITSM tools (e.g., Jira) and working within SLA-driven environments Familiarity with legacy systems connectivity (e.g., AS/400/iSeries) is highly beneficial ...

delivering a modern enterprise data platform. This is an opportunity to join a business undergoing significant data transformation, moving from legacy systems and manual processes to a scalable, automated, cloud-first architecture. You will be responsible for defining architectural standards, driving best practices, and enabling engineering teams … Star Schema patterns, Snowflake object hierarchies, and governance frameworks. Design scalable integration architectures for legacy platforms, including AS400, iSeries, and SQL-based systems, ensuring robust reconciliation, auditability, and incremental data loading capabilities. Architect modern data pipelines leveraging Snowflake and orchestration technologies, ensuring reliability, scalability, idempotency, and effective ...

just write clean code yourself. Bonus Experience Nice to have, but not required: Experience building new products from scratch rather than inheriting legacy systems. Sensitive datasets in regulated industries, especially telco Data cleanrooms - Google, Snowflake or equivalent Why This Opportunity Is Worth Your Time Real architectural scope ...

Engineering Lead who breathes engineering excellence . If you're a 10+ year Java/Spring Boot expert who is tired of bloated, unmaintainable systems and wants the authority to "fix it properly" , this is your opportunity to make a lasting impact. You will work directly with the Head … Binary stream processing Structured logging (Application Insights) Security-first development Drive a culture of clean, maintainable, production-grade code Cloud-Native Excellence Ensure all systems are built for Azure Container Apps from day one Own best practice implementation across: Stateless architecture Health check endpoints Secure secret management (Azure ...

modern data platform from the ground up. Were working with a business in the middle of a high-impact data transformationmoving away from legacy constraints towards a scalable, cloud-first architecture. Theyre looking for a Data Engineer to take a leading role in that journey. This isnt … skills in Python and SQL Hands-on experience with Databricks, Azure, and GCP/BigQuery Proven ability to work across both legacy systems and modern cloud environments Key Skills DevOps mindset you automate wherever possible and write clean, testable code Pragmatic approach focused on delivering value without ...

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 ...

execution for a large-scale Oracle Fusion HCM transformation. This role will ensure a controlled, low-risk transition from legacy HR systems into Oracle Cloud, coordinating across multiple work streams and stakeholders. * Location: Uxbridge * Daily Rate: Flexible * Contract Length: Sep 2027 * Start Date: ASAP Key Responsibilities * Develop ...

looking for a Chief Solutions Architect to take the lead in designing robust, scalable, and future‐ready systems for our clients. You will play a key role in shaping technical direction, influencing stakeholders, and ensuring delivery excellence across projects. This role is ideal for someone who enjoys solving complex … automation architecture, agent‐based workflow design, and secure integration of AI services into enterprise systems. 5–7+ years’ experience in software engineering, systems design, or architecture roles. Strong experience designing distributed and scalable enterprise systems. Deep knowledge of cloud platforms (AWS, Azure, GCP) and modern architecture patterns. Strong understanding ...

Focus is on OS upgrades to Windows Server 2022/2025, primarily within Nutanix AHV, with some Azure-based work, alongside decommissioning of legacy systems. This is a hands-on Windows infrastructure role with expected involvement in design, delivery, and governance. While the primary focus is the upgrade … providing input into design approach, risk, and implementation strategy Upgrade and manage workloads across: Nutanix AHV (primary platform) Azure IaaS Support decommissioning of legacy servers and platforms Ensure servers are securely configured, hardened, and fully up to date with patches Contribute to wider infrastructure project delivery (Windows/ ...