51 to 75 of 134 Legacy Systems Jobs in London

week projects covering discovery, proof of concept, and full implementation. This isn’t a role where you’ll be maintaining legacy systems — you’ll be designing and building solutions, shaping technical direction, and working closely with stakeholders to solve real business problems. What You’ll Be Doing ...

client is a global commodity trading organisation undergoing a major technology transformation focused on AI-driven engineering, operational automation and modernisation of legacy trading platforms. They are seeking a strong hands-on technologist to join a high-profile AI and agent-driven programme focused on automating support … Commodity trading, energy trading or ETRM exposure. Experience with AI/LLM tooling including LangChain, Langfuse or Claude Code. Experience modernising legacy systems and workflows. Experience with React, Next.js, PostgreSQL, MongoDB or Kafka. #J-18808-Ljbffr ...

technical solutions. Nice to have: Experience working in secure or highly regulated environments. Knowledge of secure coding practices and compliance standards. Experience supporting legacy and modern hybrid systems. If you're interested in this role, click 'apply now' to forward an up-to-date copy of your ...

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 ...

continuity Drive stakeholder engagement and change management, ensuring effective communication, training, and adoption across the business Lead the transition from legacy systems, including decommissioning and process standardisation Establish and maintain effective project governance, providing regular updates and insights to senior leadership Align business and technical stakeholders, ensuring … complex business environments Background in the AEC or professional services sector, with an understanding of project-based operations Experience working with project-based ERP systems such as Deltek, Rapport3, or similar platforms Track record of operating within mid-to-large, international organisations (500+ employees) Strong experience in vendor management ...

models, data, or compute alone. The harder challenge is execution: how AI work actually runs inside an organization alongside humans, legacy systems, outsourced teams, compliance requirements, and operational constraints. Today, the enterprise stack is fragmented. Process mining helps companies understand how work flows. Workflow tools … government, and other process-intensive industries. While the use cases vary, the underlying challenge is remarkably consistent: critical operations depend on complex workflows, fragmented systems, large volumes of cases, and countless decisions that still require coordination between people, technology, and policy. THE ROLE We are hiring a Solutions Engineer ...

well underway on a major data transformation, with Microsoft Fabric at the core of its data platform, with continued migration away from legacy systems. With continued investment across Fabric, CRM (Dynamics 365), automation, this role offers a seat at the table to help shape how data is engineered … work with stakeholders to identify data gaps, translate requirements into practical solutions Comfortable working in environments that include both modern platforms, legacy systems Apply now Interviews are already underway, so if interested, apply as soon as possible. . ...

powers their groundbreaking Foundation Models - this is a rare opportunity to work at the intersection of advanced software engineering and frontier AI research, building systems that directly enable breakthroughs in drug development and patient care. You'll be working alongside world-class ML researchers, designing and implementing the tools … APIs, and platforms they need to train, evaluate, and deploy models at unprecedented scale. This isn't about maintaining legacy systems, it's about creating novel solutions to complex problems that haven't been solved before, in a domain where the stakes genuinely matter. Your work will ...

standards, contributing to solution design, and ensuring all changes are appropriately documented and controlled. You will also support integration activity between Salesforce and surrounding systems, using appropriate integration patterns to enable seamless data and process flow across the wider enterprise landscape. Strong collaboration across internal teams and external partners … Cards, DataRaptors, and Integration Procedures) will be highly advantageous, particularly in enterprise-scale implementations. Additional experience integrating Salesforce with external or legacy systems is important, along with exposure to identity and verification tools such as Onfido or Experian being a plus. Relevant Salesforce certifications, including Administrator, Platform ...

need Engineers to support the transformation and the future growth of the business, simplifying our IT architecture by removing our legacy systems and delivering new solutions providing market-leading services for our colleagues, customers and advisers. What you'll do The Engineer is responsible for the design … decision-making skills. Excellent time and self-management through effective planning & prioritisation of tasks Desirable Skills: Azure PaaS M-Files Experience with distributed systems (SOA, Microservices ...

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 ...

serverless distributed solutions - AWS Associate level certification - Application discovery and dependency mapping - Migration tooling (Application Migration Service, Database Migration Service, Migration Hub) - Legacy system analysis and decommissioning Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make ...

serverless distributed solutions - AWS Associate level certification - Application discovery and dependency mapping - Migration tooling (Application Migration Service, Database Migration Service, Migration Hub) - Legacy system analysis and decommissioning Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make ...

without waiting to be directed. The role: You'll be embedded in a new squad focused on migrating data flows from legacy systems into SAP RISE. Your job is to own discovery end-to-end: understand the current state, define the future state, write the PRDs ...

APIs of their choice. About the Role As a Software Engineer III, you will design, build, and support API platforms that serve both legacy and modern enterprise systems. You will work closely with team members to deliver high-quality, test-driven solutions and improve the developer experience ...

migration and modernization techniques - Application discovery and dependency mapping - Migration tooling (Application Migration Service, Database Migration Service, Migration Hub) - Cutover planning and execution - Legacy system analysis and decommissioning - Risk mitigation and rollback strategies - AWS Transform PREFERRED QUALIFICATIONS - Experience and technical expertise (design and implementation) in cloud computing technologies ...

migration and modernization techniques - Application discovery and dependency mapping - Migration tooling (Application Migration Service, Database Migration Service, Migration Hub) - Cutover planning and execution - Legacy system analysis and decommissioning - Risk mitigation and rollback strategies - AWS Transform PREFERRED QUALIFICATIONS - Experience and technical expertise (design and implementation) in cloud computing technologies ...

supporting modern data platform, with a particular focus on Databricks, cloud-based data engineering, and leading the migration of legacy Oracle systems into scalable, cloud-native environments. The role supports the organisation's data strategy especially on Finance and Regulatory domain by ensuring high-quality, reliable pipelines … environment management. Ensure governance, performance optimisation. Legacy Oracle Migration Leadership Lead and coordinate the migration of data assets from Oracle database systems to the modern cloud data platform. Oversee source-to-target mapping, data model redesign, and automated migration frameworks. Define strategy for retiring legacy ...

well into a major data transformation programme, with Microsoft Fabric at the heart of its modern data platform and continued migration away from legacy systems. With ongoing investment across Microsoft Fabric, Dynamics 365 (CRM) and automation, this role offers an opportunity to help shape how data is engineered … engage with stakeholders, identify data gaps, and translate requirements into practical solutions Comfortable working in environments that combine modern platforms with legacy systems Apply now Interviews are already underway, so early application is recommended. ...

compliance with key regulatory requirements including conflicts, AML, sanctions screening and client due diligence. The programme will involve the migration from legacy systems to a modern cloud based legal platform such as Intapp (or a similar solution), alongside process improvement to enhance governance, efficiency and compliance. This … legal services environment. Experience delivering legal technology projects involving platforms such as Intapp, Elite, iManage or similar. Experience delivering cloud migration or legacy application replacement programmes. Strong understanding of legal Business Acceptance and Risk & Compliance processes including: Conflicts AML/KYC Client onboarding Experience improving operational processes ...

working with a modern insurance business that's been built with a strong focus on technology from day one. No legacy systems, no outdated processes and no treating tech as an afterthought. They're well-funded, growing quickly and have put AI at the centre … current development processes and identifying where AI can add real value Driving prompt engineering and more modern, AI-led approaches to building and improving systems What they're looking for Experience within insurance or financial services (this doesn't need to be purely technical) Hands-on prompt engineering experience ...

loading into Workday Ensure data quality, validation and reconciliation across all stages of the programme Manage data mapping and transformation from legacy systems Own Workday to payroll data requirements, ensuring accurate downstream integration Work closely with HR, Payroll, Finance and technical teams to gather and validate requirements ...

configuration management using cloudformation, chef & puppet - Experience in large scale migration- data centre to data centre or data centre to cloud infrastructure - Legacy system analysis and decommissioning - Risk mitigation and rollback strategies - AWS Transform Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce ...

configuration management using cloudformation, chef & puppet - Experience in large scale migration- data centre to data centre or data centre to cloud infrastructure - Legacy system analysis and decommissioning - Risk mitigation and rollback strategies - AWS Transform Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce ...

world to modernise their technology estates and accelerate digital transformation. Their cloud-native, API-first platforms empower financial organisations to replace legacy systems, launch innovative products faster, enhance customer experiences, and stay ahead in an increasingly competitive market. As demand continues to grow, they are looking ...