1 to 25 of 30 Legacy Systems Jobs in Central London

across functional workstreams, ensuring data meets architectural, compliance, and governance standards. Key Responsibilities Extract and prepare HR and employee data from legacy systems for migration into Workday Transform, cleanse, and validate datasets to meet agreed standards and Workday requirements Conduct data gap analysis and support remediation … delivery Experience/Knowledge needed: Experience of working with the HR function Excellent abilities when it comes to extracting data from legacy systems, cleansing data, validating data, transforming data and preparing to hand over to the IMPL Data lead. Demonstrable HR data architecture experience Identify and analyse ...

build, and optimise enterprise-scale data solutions, focusing on Databricks and cloud-based engineering. You’ll lead the migration of legacy Oracle systems to a scalable, cloud-native environment, ensuring high-quality pipelines and models that support analytics, regulatory reporting, and business decision-making. Key Responsibilities Lead … Python (or other programming languages). Proven experience leading data engineering teams and delivering enterprise-scale solutions. Experience migrating data from legacy systems (Oracle or similar) to cloud environments. Strong analytical, problem-solving, and communication skills with the ability to explain technical concepts to non-technical stakeholders. ...

background/experience- Familiarity with public sector regulations, compliance (e.g., GDPR, FOIA), and procurement processes. Knowledge of common public sector challenges: legacy systems, citizen engagement, case management, grants, licensing. Proficiency in Salesforce particularly Service Cloud, Experience Cloud, and Public Sector Solutions. Strong grasp of Data Cloud, MuleSoft … Experience with CI/CD pipelines and DevOps tooling (e.g., Copado, Gearset, Git-based workflows) Experience integrating Salesforce with ERP, data platforms, or external systems Strong stakeholder management and communication skills Desirable Certifications Salesforce Platform Developer II OmniStudio Developer/Consultant Application Architect Balances hands-on engineering with strategic ...

functional specifications for WRICEF objects relating to reporting, interfaces, and reconciliations. Manage data migration of GL balances, open items, and consolidation structures from legacy systems. Run at least two full mock close cycles prior to go-live, ensuring reconciliation of trial balances and intercompany eliminations. Ensure integration with ...

sized bank to work on their core data programme of work. The role involves mapping data form multiple sources, including legacy systems, to a Common Data Model, and then into various systems for reporting purposes etc. It is likely that you will have originally come from ...

Technical Leadership Own the architecture of the company's data platform, ensuring scalability, reliability, and security. Drive modernisation by transitioning from legacy systems to a lean, scalable platform. Act as a lead expert for technologies such as AWS, DBT, Airflow, and Databricks. Establish best practices for data ...

Responsibilities Analyse and assess data structures across legacy and target systems. Perform data extraction, transformation, and migration activities. Conduct data cleansing, enrichment, and validation to ensure high data quality. Identify and resolve data inconsistencies, duplicates, and quality issues. Develop and maintain data mapping documentation between source and target ...

friction and scale outcomes You Will Need A proven background in RevOps or SalesOps, ideally within scale-up environments Hands-on expertise with CRM systems (HubSpot experience highly preferred) Strong analytical, systems, and automation skills A bias for action - pragmatic, adaptable, and outcomes-led The confidence … Direct impact on growth, working closely with C-suite High-trust, high-ownership role with no legacy systems to fix A values-led mission with real social impact Central London office with a team-first, feedback-friendly culture ...

external regulatory requirements. You will be responsible for planning and executing upgrades across data centre and hybrid environments, ensuring minimal disruption to business-critical systems and services. Key Responsibilities Develop and manage a comprehensive project plan aligned with organisational strategy, security standards, and agreed timelines Lead … upgrade and migration activities, ensuring clear documentation, validated rollback plans, and approved maintenance windows Identify, assess, and manage risks relating to legacy systems, compatibility, availability, and security exposure Manage third-party vendors and partners to ensure delivery meets agreed scope, timelines, and quality standards Maintain project governance ...

onto Salesforce. The team are looking for an experienced Contract Salesforce Product Manager who is comfortable stepping into an evolving environment, quickly understanding existing systems, and driving delivery across multiple teams. Key Responsibilities: Own and drive delivery of the Salesforce migration workstream Lead the migration from a legacy … with engineering, product, and business teams to ensure a smooth transition Support implementation across the Salesforce ecosystem, including CRM, Loyalty, and Revenue Cloud Ensure systems integrate effectively with the billing platform Work effectively within complex environments involving legacy systems Communicate clearly with stakeholders across the programme ...

working with a leading UK financial services organisation that is in the middle of a major digital transformation, modernising legacy systems and building out a new self-service digital platform for customers. As part of this journey, they're looking for an experienced Azure Cloud Engineer ...

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 ...

digitisation challenge, turning manual and email-based processes into slick, user-facing digital solutions. The other is a replatforming project, migrating a legacy module selection system onto a modern stack. 🎯 Key Responsibilities • Own the product vision and roadmap for your squad, balancing user needs with institutional priorities • Drive … stakeholders across the institution to gather requirements and build buy-in • Navigate a complex technical landscape, including Dynamics, Power Pages, and legacy systems • Contribute to a collaborative, evidence-led product culture within a growing team ✅ What I'm Looking For • Proven Product Manager experience, ideally ...

insurance broker to help recruit for an IT Project Manager to lead the delivery of a new insurance system and decommissioning of the legacy system. This will initially be a 6 month Fixed Term Contract with a maximum salary of up to £90,000 per year plus their ...

that—making instant cross-border payments a reality. We’re building a new kind of payments network from scratch. No legacy systems, no tech debt. Just a clean slate, strong vision, and very high standards. We’re backed by deep industry experience and are building a small … turn AI into revenue This is a hands-on, high-impact engineering role . You’ll ship fast, experiment constantly, and own real systems that affect company growth. What We're After You are an engineer first . But you’re also fascinated by AI, automation, and building systems ...

teams. Must have: Strong experience with API gateway technologies Deep understanding of Kubernetes in Azure environments Integration between cloud native and legacy systems Azure Cloud Platform & SRE Engineer/Architect Senior engineer to evolve Azure cloud foundations, ensuring secure, resilient, observable, and compliant platforms aligned with …/CD engineering experience with GitHub or similar platforms Strong SCM expertise with branching, governance, and secure workflows Experience building scalable developer experience systems and workflow automation Azure Databricks & Analytics Engineer Senior engineer to build Azure Databricks and Analytics environments, ensuring data platforms are secure and compliant. Responsible ...

exchange integrations, building resilient real-time pipelines that process market data at scale, designing infrastructure for performance and reliability, and modernizing legacy systems that underpin a platform millions depend on daily. The work spans the full technical stack from data ingestion and processing architecture to infrastructure optimization … 8+ years backend development experience with demonstrated technical leadership as Lead/Staff/Principal Engineer Deep expertise building and operating large-scale distributed systems in production Polyglot engineering background; strong proficiency in Node.js or Golang preferred Hands-on experience designing and scaling modern database architectures (SQL and NoSQL ...

working with a leading UK financial services organisation that is in the middle of a major digital transformation, modernising legacy systems and building out a new self-service digital platform for customers click apply for full job details ...

underpins Outsmart’s crowdsourcing operations – a mature, revenue-generating system that has evolved over years and continues to scale. If you enjoy owning real systems, thinking architecturally, improving legacy code thoughtfully rather than rewriting it, and being trusted to deliver without heavy supervision, this role will feel … unusually well-matched. The role As Senior Fullstack Software Engineer, you will help design, build and maintain the production systems that power Outsmart’s platform. You’ll work closely with our CTO, operating as a high-agency individual contributor with genuine ownership across backend systems, infrastructure and platform ...

Outside IR35)/Remote Were working with a top UK University that has decided to migrate over from old legacy systems to Salesforce Education Cloud. They require a Salesforce Functional Consultant to come on board who has strong experience of delivering migrations with strong stakeholder management ...

environments . The successful candidate will contribute to the design, development, and deployment of scalable applications while helping organisations modernise legacy monolithic systems into API-driven microservices architectures . You will work closely with engineers, DevOps specialists, and stakeholders to deliver robust solutions that improve development efficiency … . Collaborate with DevOps teams to support continuous integration and continuous delivery/deployment pipelines , particularly using Harness . Support the modernisation of monolithic systems through the introduction of APIs, microservices, and gateway architectures . Contribute to secure application deployment , including environments supporting mobile applications. Work alongside infrastructure teams ...

looking for a Finance Systems Manager to lead a high-impact ERP transformation project, migrating from legacy finance systems to Sage Intacct and supporting its ongoing success as their group-wide ERP platform. This is a unique opportunity to play a pivotal role at the intersection … Driving user adoption through training and change management • Managing UAT and supporting a smooth go-live • Acting as the go-to expert for finance systems post-implementation • Enhancing reporting and supporting ongoing system improvements What we’re looking for: • ACA/ACCA/CIMA (or equivalent) qualified • Proven experience ...

this Business Analyst position you will be interpreting data models, APIs, system integrations and user interfaces to build a clear picture of how systems operate. This role will give you exposure and gain of SQL skills , as you will frequently extract, transform and analyse data using SQL. This Business … analysisExperience working with commodities data (reference data, settlement data, market data, trade capture, private order feeds)Comfortable working with big data technologies and messaging systems (ZEMA Preferable) Experience using JIRA, Azure DevOps or similar toolsStrong expertise in Python If you are interested in this business analyst role with strong ...

customer-facing role. This position suits a Senior Infrastructure Architect from an IT MSP or Consultancy background, used to working across everything from legacy on-prem environments through hybrid estates to modern cloud-first platforms. What youll be doing As a Senior Infrastructure Architect, you will work directly … performance, and scalability Given the MSP client base, the successful Senior Infrastructure Architect must be confident modernising mixed estates while supporting business-critical legacy systems. What were looking for: Strong experience producing high-quality HLDs and LLDs Clear commercial awareness and comfort with design trade-offs Confident presenting ...

story-writing role. This is strategic business analysis at programme level. We’re supporting a major Life transformation programme migrating legacy Life systems to Salesforce, redesigning processes, and reshaping the end-to-end customer and user experience. They already have a Senior BA in place. They … planned. The business needs someone credible enough to challenge, influence and move conversations forward — particularly with long-standing stakeholders operating within complex legacy systems. This is for you if: You’re comfortable operating at senior stakeholder level You’ve worked on large transformation/migration programmes You think ...