76 to 100 of 108 Legacy Systems Jobs in London

Integration Developer - Salesforce Education Cloud-Student Systems Implementation Integration Developer with experience of working on large enterprise-scale programmes, ideally in Higher Education, is needed to support a Salesforce Education Cloud, for our higher education client. The role will focus on building and support integrations between new and existing systems using Microsoft Azure PaaS components to develop modular … reusable, and secure integration components aligned with canonical data models and modern API-first principles. Integration Developer- Salesforce Education Cloud-Student Systems Implementation Essential Experience Proven experience as an Integration Developer on enterprise-scale programmes, preferably in Higher Education. experience with Azure PaaS integration tools: Logic Apps, Functions, API Management, Service Bus, Event Grid Experience building and managing REST … APIs and implementing API-first integration designs Experience integrating cloud systems (Salesforce, Canvas LMS, or other SaaS platforms. Experience with SITS or other legacy student systems, particularly around data integration and synchronisation. Good understanding of CI/CD pipelines, automated testing, and Infrastructure-as-Code (ARM, Bicep, Terraform) Proficient in C#, PowerShell, JavaScript, or equivalent languages More ❯

research that shape product and marketing decisions. Partner with Product, Design, Data, Engineering, and Marketing to embed the customer voice into strategy and execution. Overhaul and elevate a legacy team through hiring, mentorship, and organisational change. Establish scalable frameworks, processes, and tools to maximise research effectiveness and influence. Act as a trusted advisor to senior stakeholders, influencing decisions … change, and align stakeholders across functions. Experience partnering closely with Product, Marketing, and Design teams to deliver customer-centric outcomes. Resilient and resourceful: able to navigate legacy systems and inspire transformation. Demonstrated success managing managers and/or senior ICs within high-performing teams. Skilled in storytelling, data synthesis, and presenting clear, compelling insights to senior leadership. More ❯

research that shape product and marketing decisions. Partner with Product, Design, Data, Engineering, and Marketing to embed the customer voice into strategy and execution. Overhaul and elevate a legacy team through hiring, mentorship, and organisational change. Establish scalable frameworks, processes, and tools to maximise research effectiveness and influence. Act as a trusted advisor to senior stakeholders, influencing decisions … change, and align stakeholders across functions. Experience partnering closely with Product, Marketing, and Design teams to deliver customer-centric outcomes. Resilient and resourceful: able to navigate legacy systems and inspire transformation. Demonstrated success managing managers and/or senior ICs within high-performing teams. Skilled in storytelling, data synthesis, and presenting clear, compelling insights to senior leadership. More ❯

intelligence landscape and accelerate Power BI adoption across their international practice. The Challenge: This leading law and professional services firm needs a Power BI specialist to migrate existing reporting systems into sophisticated Power BI solutions. You'll work closely with the Digital Delivery team to create compelling dashboards and reports that serve global corporations, financial institutions, and investment managers … across multiple offshore jurisdictions. What You'll Deliver: Analyse legacy business intelligence systems and design enhanced Power BI alternatives Build custom Power BI reports and dashboards from stakeholder requirements Convert existing SSRS reports into modern, interactive Power BI solutions Establish secure data connections across SQL Server, Excel, and cloud-based sources Configure row-level security protocols and More ❯

you will: Lead the digital strategy and oversee its execution, including the creation of a centralised data warehouse Simplify and unify our fragmented tech stack Replace or rebuild outdated systems and reduce technical risk Manage the successful delivery of new services Ensure strong governance, security, and compliance across all platforms Inspire, mentor, and build a high-performing digital and … they are rolling up their sleeves Can simplify complexity and make smart, scalable tech decisions Brings strong architecture, governance, and security credentials Knows how to manage legacy systems while building the future Is energised by the opportunity to shape a user-first, mission-driven digital experience Believes in the power of sport and community What we offer More ❯

are recruiting on behalf of a consultancy client for an experienced Data Engineer to support a strategic data migration project . The role involves migrating legacy data systems to a modern Azure-based architecture, with a focus on performance, scalability, and reliability. Responsibilities Design and implement robust data migration pipelines using Azure Data Factory, Synapse Analytics, and … Databricks Develop scalable ETL processes using PySpark and Python Collaborate with stakeholders to understand legacy data structures and ensure accurate mapping and transformation Ensure data quality, governance, and performance throughout the migration lifecycle Document technical processes and support knowledge transfer to internal teams Required Skills Strong hands-on experience with Azure Data Factory, Synapse, Databricks, PySpark, Python, and More ❯

rules. Develop custom plugins, workflows, and JavaScript to extend D365 CE functionality. Build and maintain Power Automate flows , Power Apps, and Power Pages solutions. Integrate D365 CE with external systems using Azure Logic Apps, APIs, and other integration tools. Assist in data migration, ensuring accurate and secure transfer from legacy systems. Participate in solution design, technical documentation More ❯

rules. Develop custom plugins, workflows, and JavaScript to extend D365 CE functionality. Build and maintain Power Automate flows , Power Apps, and Power Pages solutions. Integrate D365 CE with external systems using Azure Logic Apps, APIs, and other integration tools. Assist in data migration, ensuring accurate and secure transfer from legacy systems. Participate in solution design, technical documentation More ❯

Type: Permanent/Client-Facing Role About the Role Entasis Partners is supporting a leading consultancy to secure an experienced Enterprise Architect to drive technology and platform strategy, legacy system modernisation, and M&A integration initiatives. This is a high-impact, client-facing role where you’ll partner with senior stakeholders to define technology roadmaps, rationalise complex IT … technology and platform strategies to support business transformation objectives. Lead legacy system modernisation, including cloud migration, platform consolidation, and process optimisation. Drive M&A integration initiatives, aligning systems, data, and processes across organisations. Advise on enterprise architecture frameworks and best practices to ensure scalable, secure, and future-ready IT landscapes. Mentor and guide cross-functional teams, fostering … senior stakeholders. What We’re Looking For from the Lead Enterprise Architect Proven experience as an Enterprise Architect focused on technology and platform strategy. Hands-on experience with legacy system modernisation, cloud platforms (Azure, AWS, GCP), and IT transformation programmes. Experience leading or supporting M&A integration projects, including system consolidation and rationalisation. Strong stakeholder management and influencing More ❯

Type: Permanent/Client-Facing Role About the Role Entasis Partners is supporting a leading consultancy to secure an experienced Enterprise Architect to drive technology and platform strategy, legacy system modernisation, and M&A integration initiatives. This is a high-impact, client-facing role where you’ll partner with senior stakeholders to define technology roadmaps, rationalise complex IT … technology and platform strategies to support business transformation objectives. Lead legacy system modernisation, including cloud migration, platform consolidation, and process optimisation. Drive M&A integration initiatives, aligning systems, data, and processes across organisations. Advise on enterprise architecture frameworks and best practices to ensure scalable, secure, and future-ready IT landscapes. Mentor and guide cross-functional teams, fostering … senior stakeholders. What We’re Looking For from the Lead Enterprise Architect Proven experience as an Enterprise Architect focused on technology and platform strategy. Hands-on experience with legacy system modernisation, cloud platforms (Azure, AWS, GCP), and IT transformation programmes. Experience leading or supporting M&A integration projects, including system consolidation and rationalisation. Strong stakeholder management and influencing More ❯

Type: Permanent/Client-Facing Role About the Role Entasis Partners is supporting a leading consultancy to secure an experienced Enterprise Architect to drive technology and platform strategy, legacy system modernisation, and M&A integration initiatives. This is a high-impact, client-facing role where you’ll partner with senior stakeholders to define technology roadmaps, rationalise complex IT … technology and platform strategies to support business transformation objectives. Lead legacy system modernisation, including cloud migration, platform consolidation, and process optimisation. Drive M&A integration initiatives, aligning systems, data, and processes across organisations. Advise on enterprise architecture frameworks and best practices to ensure scalable, secure, and future-ready IT landscapes. Mentor and guide cross-functional teams, fostering … senior stakeholders. What We’re Looking For from the Lead Enterprise Architect Proven experience as an Enterprise Architect focused on technology and platform strategy. Hands-on experience with legacy system modernisation, cloud platforms (Azure, AWS, GCP), and IT transformation programmes. Experience leading or supporting M&A integration projects, including system consolidation and rationalisation. Strong stakeholder management and influencing More ❯

Type: Permanent/Client-Facing Role About the Role Entasis Partners is supporting a leading consultancy to secure an experienced Enterprise Architect to drive technology and platform strategy, legacy system modernisation, and M&A integration initiatives. This is a high-impact, client-facing role where you’ll partner with senior stakeholders to define technology roadmaps, rationalise complex IT … technology and platform strategies to support business transformation objectives. Lead legacy system modernisation, including cloud migration, platform consolidation, and process optimisation. Drive M&A integration initiatives, aligning systems, data, and processes across organisations. Advise on enterprise architecture frameworks and best practices to ensure scalable, secure, and future-ready IT landscapes. Mentor and guide cross-functional teams, fostering … senior stakeholders. What We’re Looking For from the Lead Enterprise Architect Proven experience as an Enterprise Architect focused on technology and platform strategy. Hands-on experience with legacy system modernisation, cloud platforms (Azure, AWS, GCP), and IT transformation programmes. Experience leading or supporting M&A integration projects, including system consolidation and rationalisation. Strong stakeholder management and influencing More ❯

for a highly skilled Software Developer to join a fast paced contract role with a leading financial client. This is an exciting opportunity to work on complex, large scale systems while driving innovation, cost optimisation, and platform resilience. Location: Mostly Remote (occasional trips to London office) Contract: 6-months (OIR35) Rate: £400-450 p/day Start date: Asap … while maintaining performance. Oversee container orchestration with Kubernetes and Helm. Develop and optimise CI/CD pipelines (Jenkins, CircleCI, GitHub Actions). Lead migration projects and modernisation of legacy systems. Ensure compliance with security and regulatory standards in sensitive industries. Provide senior-level support, troubleshooting, and performance monitoring with modern observability tools. Mentor and support junior engineers, collaborating More ❯

be assisting/overseeing duties such as: Own and deliver the full payroll data migration workstream into Oracle HCM. Lead the extraction of data from legacy payroll systems, ensuring accuracy and completeness. Conduct thorough data validation and reconciliation prior to each migration cycle. Support the execution of parallel pay runs during testing phases to ensure consistency between … stabilisation Key Skills: Proven experience of payroll data migration, ideally within an Oracle HCM implementation. In-depth knowledge of UK payroll legislation, processes, and reporting requirements. Experience with payroll systems (e.g. ADP, Oracle) and strong understanding of payroll data architecture. Advanced Excel skills and experience with data transformation, cleansing, and reconciliation. Demonstrable experience supporting parallel pay runs and payroll More ❯

to design and lead the architecture of next-generation conversational AI and voice platforms . This role is key to modernizing customer interactions, moving from Legacy IVR systems to intelligent, natural language-driven experiences. Responsibilities Define end-to-end architecture for conversational AI voice solutions (intent capture, NLP, text-to-speech, orchestration). Ensure designs meet enterprise More ❯

or replacing/upgrading old legacy systems. Experience required: - Proven experience in delivering medium to high complexity IT projects across Legal Applications & Cloud Services in Practice Management Systems/Document Management Systems/Case Management systems - Been an IT Project Manager or a Senior Business Analyst in the past, for either a law firm or More ❯

gather requirements and define scalable solutions. Facilitate workshops, CRP, SIT, and UAT sessions across European business units. Integration & Data Migration Oversee integrations with Oracle Cloud modules and external logistics systems using OIC, REST APIs, and web services. Manage FBDI/ADFDI-based data migration from legacy systems. Reporting & Analytics Develop OTBI and BI Publisher reports for order More ❯

gather requirements and define scalable solutions. Facilitate workshops, CRP, SIT, and UAT sessions across European business units. Integration & Data Migration Oversee integrations with Oracle Cloud modules and external logistics systems using OIC, REST APIs, and web services. Manage FBDI/ADFDI-based data migration from legacy systems. Reporting & Analytics Develop OTBI and BI Publisher reports for order More ❯

gather requirements and define scalable solutions. Facilitate workshops, CRP, SIT, and UAT sessions across European business units. Integration & Data Migration Oversee integrations with Oracle Cloud modules and external logistics systems using OIC, REST APIs, and web services. Manage FBDI/ADFDI-based data migration from legacy systems. Reporting & Analytics Develop OTBI and BI Publisher reports for order More ❯

gather requirements and define scalable solutions. Facilitate workshops, CRP, SIT, and UAT sessions across European business units. Integration & Data Migration Oversee integrations with Oracle Cloud modules and external logistics systems using OIC, REST APIs, and web services. Manage FBDI/ADFDI-based data migration from legacy systems. Reporting & Analytics Develop OTBI and BI Publisher reports for order More ❯

Core Wealth Services is greenfield. That means a clean slate - the chance to design, architect and build from the ground up using modern technologies and best practices. No legacy constraints. Just the freedom to architect scalable, robust, and future-proof solutions. Core Wealth Services forms the backbone of our investment platform, managing the essential business logic and processes … to guide team performance and decision-making. About You Proven experience leading engineering teams in complex, fast-paced environments. Strong software engineering background (Java/TypeScript/cloud-native systems). Excellent communicator - able to explain technical decisions to non-technical stakeholders. Experience with Agile frameworks and collaborative delivery practices. Deep understanding of system design, architecture, and modern backend … Leadership & Cultural fit (70 mins): In our Leadership & Cultural Fit section, in this live, interactive session, you'll step into the role of an Engineering Manager overseeing a legacy Java system. You'll assess the current technical and team setup, identify areas for improvement, and discuss how you'd lead through the challenges - focusing on technical direction, team More ❯

collaboratively with stakeholders, technical teams, vendor partners and clients. In this role, you will: Lead end-to-end integration efforts for the replacement of legacy loan servicing systems with ACBS Manage API and batch integration across upstream and downstream systems Drive project planning, execution, and delivery across multiple workstreams Collaborate with cross-functional teams to ensure More ❯

driving better data usage, reducing reliance on spreadsheets, and enabling more effective decision-making across the organisation. You’ll be doing: Lead the transition from legacy finance systems to Workday and expand Power BI usage across the finance team Own and deliver finance data reporting and controls, bridging the gap between finance and IT Partner with finance More ❯

driving better data usage, reducing reliance on spreadsheets, and enabling more effective decision-making across the organisation. You’ll be doing: Lead the transition from legacy finance systems to Workday and expand Power BI usage across the finance team Own and deliver finance data reporting and controls, bridging the gap between finance and IT Partner with finance More ❯

driving better data usage, reducing reliance on spreadsheets, and enabling more effective decision-making across the organisation. You’ll be doing: Lead the transition from legacy finance systems to Workday and expand Power BI usage across the finance team Own and deliver finance data reporting and controls, bridging the gap between finance and IT Partner with finance More ❯