21 of 21 Contract 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 the integration development using Microsoft Azure PaaS, and support the interim and long-term transition from legacy systems (such as SITS) to cloud-native platforms. Integration Developer- Salesforce Education Cloud-Student Systems Implementation Essential Experience Proven experience as an Integration Developer on enterprise-scale programmes, preferably in Higher Education. Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) Expertise in integration strategy, API management … and canonical data models. Experience of integrating with Salesforce (REST/SOAP APIs, platform events) and Canvas LMS or similar SaaS platforms. Familiarity with integrating legacy systems (SITS) with modern cloud-native systems. Solid understanding of Agile delivery, sprint planning, backlog refinement, and DevOps principles. Experience with CI/CD pipelines, automated testing, and infrastructure-as-code More ❯

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 the integration development using Microsoft Azure PaaS, and support the interim and long-term transition from legacy systems (such as SITS) to cloud-native platforms. Integration Developer- Salesforce Education Cloud-Student Systems Implementation Essential Experience Proven experience as an Integration Developer on enterprise-scale programmes, preferably in Higher Education. Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) Expertise in integration strategy, API management … and canonical data models. Experience of integrating with Salesforce (REST/SOAP APIs, platform events) and Canvas LMS or similar SaaS platforms. Familiarity with integrating legacy systems (SITS) with modern cloud-native systems. Solid understanding of Agile delivery, sprint planning, backlog refinement, and DevOps principles. Experience with CI/CD pipelines, automated testing, and infrastructure-as-code More ❯

client satisfaction. Required Certifications: Oracle Financials Cloud: General Ledger 2023 Certified Implementation Professional (or latest version) Oracle E-Business Suite R12 Financials Certified Expert (preferred for legacy systems) ITIL Foundation Certification (preferred) Security Clearance: Must hold valid UK government security clearance or be eligible to obtain it. Bonus Skills: Experience with other Oracle SaaS modules. Background in More ❯

Lead Software Developer – SC Cleared - DjangoWe’re looking for an SC Cleared Software Developer to play a key role in modernising a legacy government web application.While the current system runs on Django/Python/PostgreSQL, the team is gradually transitioning to a more modern, streamlined stack, making this an exciting opportunity to balance today’s stability with … focus on modernisation) Experience Required Proficiency in Python/Django development. Knowledge of relational databases (PostgreSQL). Familiarity with asynchronous tools (Celery). Interest in modernising legacy systems and introducing new web technologies. Strong communication skills for collaborating in a multi-disciplinary team. Please apply for further details. More ❯

Lead on a Contract basis. The role will cover all aspects of Technology delivery for the programme, including, and not limited to Data Migration, Archiving, Reporting, Design Authority, Legacy System Decommissioning, SAP System Support and Integration. About the role: Based in Central London (Hybrid - 3 days on site): Ensure leadership alignment and understanding of the Technology workstream ambition More ❯

Lead on a Contract basis. The role will cover all aspects of Technology delivery for the programme, including, and not limited to Data Migration, Archiving, Reporting, Design Authority, Legacy System Decommissioning, SAP System Support and Integration. About the role: Based in Central London (Hybrid - 3 days on site): Ensure leadership alignment and understanding of the Technology workstream ambition More ❯

Demonstrable London Market software selection/delivery/integration experience Knowledge of the Insurance Policy/Claims Admin System landscape Experience of previous projects moving from legacy systems to updated versions (software/hardware/integration) and able to articulate the role(s) played Sound like you? Please get your details over to ARC IT ASAP More ❯

ideal candidate will have deep expertise in Delphi (especially versions like Delphi 7, XE, or later), a strong understanding of object-oriented programming, and experience integrating legacy systems with modern architectures. Key Responsibilities: Design, develop, test, and maintain software applications using Delphi. Analyze legacy Delphi code and recommend enhancements or modernization strategies. Collaborate with cross More ❯

We're working with a Central Government department, currently embarking on a major programme to implement a cloud based Oracle HCM system to replace legacy HR and Finance Systems. DV Cleared Oracle contract consultants with experience in one of the following areas are now required for initial 9 month contracts: Oracle Payroll Cloud Specialist - including reporting, integrations and More ❯

Full Stack Developer | 6-month Contract (OIR35) | Hybrid | £500-550 p/day We're supporting a consultancy on a major cloud migration programme, modernising legacy systems into cloud-native applications. We're looking for a Full Stack Developer to help design and deliver secure, scalable services that will support critical operations. Location: London (2 days onsite More ❯

role will define the integration strategy and patterns, lead the development of integrations using Microsoft Azure PaaS, and support the interim and long-term transition from legacy systems to cloud-native platforms. This position requires hands-on technical leadership, strategic planning, and strong team management skills. - Strong hands-on experience in designing and delivering integrations using Microsoft More ❯

PHP Developer Hybrid - Outside IR35 We’re looking for a hands-on PHP Developer to support ongoing development within our clients portal and to assist with systems decommissioning as part of wider integration work. This is a full stack role , covering both front-end and back-end, requiring someone who is comfortable working with core PHP in environments that … PHP applications (PHP 7 & 8) within predominantly custom frameworks . Upgrade an existing project from Zend (now Laminas) to a newer version. Support the decommissioning of legacy systems alongside ongoing business change. Work across the stack: PHP, MySQL 8, HTML, JavaScript, CSS . Investigate and resolve issues where the in-house team are focused on BAU commitments. … Collaborate with stakeholders to understand business needs and translate them into solutions. What We’re Looking For Strong background in core PHP development Experience with brownfield projects , including systems with limited or no documentation. Practical knowledge of MySQL 8 and HTML, CSS, JavaScript. Ability to understand user and business needs , not just technical requirements. Problem-solvers who can work More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

UK-based organisation undergoing a nationwide digital transformation. The company supports a wide range of public and corporate sector clients and is currently leading efforts to phase out legacy telephony infrastructure. You'll be joining a forward-thinking team focused on delivering strategic migration solutions and driving innovation across enterprise communications. This is a full-time contract role … This is a contract opportunity within a large-scale enterprise environment, supporting clients across the public and private sectors. The role centres on helping organisations transition away from legacy telephony services, such as PSTN and ISDN, towards modern, digital alternatives like fibre and cloud-based solutions.You'll be responsible for engaging a defined customer base, assessing current infrastructure … succeed To be successful in this role, you'll need: Proven experience in B2B solution sales, ideally within telecoms, IT services, or infrastructure. Familiarity with legacy telephony systems and the transition to digital services. Strong stakeholder engagement skills, with the ability to influence decision-makers and navigate complex environments. Commercial awareness, including pipeline forecasting and margin management. More ❯

UK-based organisation undergoing a nationwide digital transformation. The company supports a wide range of public and corporate sector clients and is currently leading efforts to phase out legacy telephony infrastructure. You'll be joining a forward-thinking team focused on delivering strategic migration solutions and driving innovation across enterprise communications. This is a full-time contract role … This is a contract opportunity within a large-scale enterprise environment, supporting clients across the public and private sectors. The role centres on helping organisations transition away from legacy telephony services, such as PSTN and ISDN, towards modern, digital alternatives like fibre and cloud-based solutions.You'll be responsible for engaging a defined customer base, assessing current infrastructure … succeed To be successful in this role, you'll need: Proven experience in B2B solution sales, ideally within telecoms, IT services, or infrastructure. Familiarity with legacy telephony systems and the transition to digital services. Strong stakeholder engagement skills, with the ability to influence decision-makers and navigate complex environments. Commercial awareness, including pipeline forecasting and margin management. More ❯