1 to 25 of 36 Permanent Legacy Systems Jobs in the South East

ERP Data Migration Analyst - London - £65k

Hiring Organisation
Nigel Frank International
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
Migration Analyst - London - £65k The Opportunity A well-established UK organisation is embarking on a major enterprise transformation programme, replacing several legacy systems with a modern Microsoft-based ERP platform. This multi-year initiative will transform finance, operational and property-related processes across the business. As part … play a key role in ensuring data quality and successful system adoption. Key Responsibilities Analyse, extract and assess data from legacy systems and business-owned spreadsheets. Cleanse, standardise and enrich data to ensure readiness for migration. Support the creation of source-to-target mappings and transformation rules. ...

Data Migration Lead (Pensions)

Hiring Organisation
Robert Half
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £650.00 per day
This is an opportunity for an experienced pensions data migration professional to provide technical direction across the migration of data from legacy systems into a new environment. Working alongside data specialists, business stakeholders and third-party providers, you will help ensure the migration is controlled, accurately documented … activities Required Experience Proven experience delivering data migrations within pensions Understanding of pension scheme, employer and member data Experience with legacy systems, data mapping and transformation requirements Strong knowledge of migration controls, version control and data traceability Experience supporting data quality, validation and reconciliation Ability to provide ...

Senior SAP S/4HANA Data Migration Consultant

Hiring Organisation
Unipart
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
migration strategies for complex enterprise SAP S/4HANA transformation projects. Youll bridge the gap between functional business requirements and technical implementation, ensuring legacy data is cleansed, mapped, transformed, and seamlessly migrated into the S/4HANA environment with zero compromise on data integrity, governance, or business continuity. … deep understanding of S/4HANA unified data models (Universal Journal/ACDOCA, BP Model). Experience migrating data from diverse legacy systems (SAP ECC, Oracle, Salesforce, legacy mainframe/ERP systems). Bachelors degree in Computer Science, Information Technology, Business Information Systems ...

Lead Data Engineer

Hiring Organisation
Capgemini
Location
Brighton and Hove, United Kingdom
Employment Type
Full Time
Salary
40 to 70 USD Hourly
client achieve their goal. The Hove office is an important growth location for Capgemini. Today, our south coast team has a strong legacy technology heritage, with smaller pockets of modern data work. We want to build on that foundation and create a broader, modern data engineering capability. Working … Hove but working with our wider team to achieve this. • Shape the modernisation of a mixed estate, bringing pragmatic leadership across legacy systems, cloud platforms and contemporary data engineering practices. • Build trusted relationships with client, partner and internal stakeholders, bringing clarity, ownership and constructive challenge to complex ...

Data Engineer

Hiring Organisation
European Tyre Enterprise Limited
Location
Letchworth Garden City, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
join a team establishing a new Data Platform for ETEL, working with other parts of the business to migrate data from legacy systems and establishing pipelines to move data from new applications to the data platform while adopting standard best practices. Starting with Stapleton … Azure Synapse, PostgreSQL, ADF, Python) Develop data sets which are optimised for their given use case, e.g. self-service analytics Migrate data from legacy reporting solutions onto the Azure Data Platform, ensuring that data integrity and service levels are maintained Automation of end-to-end data flows Creation ...

Senior Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

Senior Software Engineer - Rock Physics Applications

Hiring Organisation
Halliburton
Location
Abingdon, Oxfordshire, UK
Employment Type
Full-time
desktop and cloud applications using modern software engineering practices (design patterns, SOLID principles, automated testing, continuous integration/delivery). Modernize legacy systems — Lead migration of mature C/C++ codebases to modern languages, runtimes, and UI/UX frameworks while preserving scientific accuracy and performance. Leverage … control (Git), and code review workflows. Hands-on CI/CD experience — building, configuring, or maintaining automated build and deployment pipelines. Experience modernizing legacy software — migrating codebases from older languages or frameworks to current platforms, including UI/UX modernization. Self-motivated and collaborative; thrives in a team ...

Senior Fabric Data Engineer - £500/pd Outside IR35

Hiring Organisation
Tenth Revolution Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 per day
large-scale data integration and synchronisation challenges. Strong understanding of data architecture, data pipelines, and reporting platforms. Ability to quickly understand legacy systems and complex data structures. Excellent stakeholder management and communication skills. Experience working in fast-paced environments with critical business deadlines. Desirable Experience Experience supporting … regulatory or compliance-driven reporting. Experience modernising legacy data platforms. Exposure to pension, financial services, or highly regulated environments. Experience delivering cloud-based data transformation programmes. Contract Details 6-month initial contract £500 per day Outside IR35 Fully remote within the UK Immediate start available This ...

Oracle (HCM) Functional Consultant

Hiring Organisation
Morgan Law
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £550.00 per day
Public Sector organisation are seeking a HR Systems Analyst to provide technical analysis and business analysis skills on a HR Systems implementation programme. The HR System Analyst will play a key role in supporting the design, configuration and implementation of new Oracle Cloud HCM platform as part … wider transformation programme. This role will provide specialist technical expertise to help replace the current HR systems landscape with an integrated, secure and scalable Oracle-based solution to further improve the employee, manager and HR experience. Working closely with HR, IT, Finance, project resources and 3rd party specialists ...

Infrastructure Platform Engineer

Hiring Organisation
Hackajob Ltd
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Architect virtualisation solutions, containerisation strategies and orchestration platforms. Design disaster recovery, business continuity and resilience architectures meeting availability requirements. Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives. Ensure infrastructure designs comply with security requirements, Classification Guides and defence standards. Technical Leadership & Governance Lead infrastructure technical ...

Data Engineering Manager

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
teams Establish engineering standards, governance, and delivery processes Prioritise workloads and support successful project delivery Contribute to a major migration from legacy systems to a cloud-native environment Ensure compliance with data governance requirements Your Skills & Experience Strong experience leading Data Engineering functions or teams Advanced ...

Digital Solutions Architect

Hiring Organisation
CBSbutler Holdings Limited
Location
Hatfield, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
overseeing modern development processes, including: Native mobile app development, Back-end microservices development (Java, NodeJS), IaC approaches to infrastructure provisioning (Terraform/Terraform Cloud) Systems design/architecture experience, particularly in modernisation/Digital Transformation projects Diverse solutions architecture experience covering modern cloud infrastructure, modern technology & legacy systems Background in dev ops, engineering, infrastructure AS code Degree in Computer Science or a technology-related field Experienced in applying commercial judgement to ensure recommendations are in line with budgets Comfortable with documenting and communicating the model used to understand the enterprise, system, application, and network ...

Senior Electronic Design Engineer

Hiring Organisation
Verso Recruitment
Location
Colchester, Essex, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
offers a great blend of challenge and variety, giving you the opportunity to work across new and existing electronic designs, including legacy systems and product improvements. Your engineering expertise and problem-solving skills will play an important role in developing, improving and maintaining electronic systems throughout … hardware design, with experience across analogue and digital electronics. Proficiency with electronic design and CAD tools, alongside a strong understanding of electronic components and systems, is essential. Experience & Skills Required Proven experience in electronic hardware design Strong analogue and digital electronics knowledge Experience with schematic capture and PCB design ...

Finance Transformation Specialist - SAP

Hiring Organisation
Handle Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £500.00 per day
Undertaking detailed data analysis, cleansing and validation. Managing data quality and ensuring financial data integrity throughout the migration. Performing detailed financial reconciliations between legacy and new systems. Supporting data migration testing, validation and UAT. Investigating discrepancies, identifying data issues and driving resolutions. Working closely with Finance ...

Business Analyst - Commodities, Platform, Process

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £650.00 per day
Platform, Process A leading global organisation operating within complex physical market and trading environments is seeking a Business Analyst to join its Transformation and Systems function.This role will support the delivery of a significant strategic transformation programme, focusing on both the implementation of a new strategic platform … Improvement, Change or Transformation roles - max experience up to 7-8 years Experience within Commodities is a must Experience working with legacy systems Platformmigration experience Financial services experience Experience gathering and documenting business requirements, process maps, and stakeholder needs. Good understanding of operational process ...

Salesforce Architect - NonProfit Cloud

Hiring Organisation
Mason Frank
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £650.00 per day
organisation manages supporters, fundraising and programmes. You'll own the solution architecture, guide the migration from legacy systems, and work closely with stakeholders and delivery partners to build a scalable, well-integrated platform. Proven experience as a Salesforce Solution Architect on nonprofit implementations Hands-on expertise with … Nonprofit Cloud Strong understanding of fundraising processes Experience leading data migration from legacy or third-party CRMs Track record of designing integrations with finance, payment and marketing platforms This is a 6-month contract, Outside IR35 working fully remote. If you are available and match the criteria above ...

Technical Systems Data Analyst

Hiring Organisation
Precise Placements
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£380.00 - £420.00 per day
Technical Systems Data Analyst - Legacy Application Reverse Engineering £420 per day - Outside IR35 Initial six-month contract London - two days per week onsite We are recruiting a Technical Systems Data Analyst to investigate and formally document a complex, tightly integrated Legacy application … information. Statistical, customer or commercial analysis. Data science or machine learning. Building cloud data pipelines without Legacy-system investigation. Database administration without systems-analysis and documentation ownership. Migration delivery where mappings and business rules were supplied by another team. To be considered, your CV must include ...

S/4 Cutover Manager

Hiring Organisation
Unipart
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
cutover, cutover, and post-cutover activities across business, technical, data, infrastructure, and third-party vendor streams, transitioning the organisation smoothly from legacy systems to SAP S/4HANA with minimal business disruption and managed risk. As part of your key responsibilities, youll: Formulate ...

Payroll Transformation Specialist - Remote (UK)

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£300.00 - £500.00 per day
complex application and database dependencies across the payroll landscape. Coordinate system integration points with the wider enterprise estate. Lead data archiving and legacy system decommissioning. Manage third-party vendors and translate technical requirements for business stakeholders. Requirements: Strong background in Application Service Management and cross-functional IT coordination. ...

Senior Java Fullstack Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
continued modernisation of its software platforms, introducing new versions of Java, Springboot, Angular, REST APIs and Microservices. You'll work across both existing systems and new development, helping improve scalability, performance and maintainability while contributing to technical design discussions. Essential Skills & Experience Strong commercial experience with Java and Spring …/CD pipelines. Jenkins, Maven and other build tools. Experience with J2EE, JBoss or legacy enterprise systems. Experience with large-scale transactional systems, billing platforms or telecommunications software. Familiarity with AI-assisted development tools. Telecommunications experience is desired, but not essential. Interview process: 1st – Video call – 30minutes ...

Senior Java / Angular Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
continued modernisation of its software platforms, introducing new versions of Java, Springboot, Angular, REST APIs and Microservices. You'll work across both existing systems and new development, helping improve scalability, performance and maintainability while contributing to technical design discussions. Essential Skills & Experience Strong commercial experience with Java and Spring …/CD pipelines. Jenkins, Maven and other build tools. Experience with J2EE, JBoss or legacy enterprise systems. Experience with large-scale transactional systems, billing platforms or telecommunications software. Familiarity with AI-assisted development tools. Telecommunications experience is desired, but not essential. Interview process: 1st – Video call – 30minutes ...

Software Engineer (6-Month Contract)

Hiring Organisation
Connells Group HQ
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £600.00 per day
digital customer experiences, data migration and reusable enterprise integration capabilities. As a Contract Software Engineer, you will develop, support and enhance the business systems and applications using Azure, .NET and SQL Server. Working within the Prometheus, you will design, build, test and enhance secure, maintainable software and integration capabilities …/Agile development methodologies Strong knowledge of object-oriented design Highly Desirable: Experience with concurrent programming techniques, parallelism, and threading Experience working with distributed systems and microservice architectures Experience with high-scalability projects Experience developing front-end applications using React Experience with Github Experience building and integrating APIs ...

DevOps Engineer (C#)

Hiring Organisation
Morgan McKinley
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
About the Role We are partnering with a premier, specialized software engineering and technical consultancy that builds mission-critical, data-intensive systems for tier-one banking and financial institutions. On their behalf, we are looking for a DevOps/Platform Engineer with a strong C#/.NET development background …/CD pipelines (TeamCity, Octopus Deploy, Jenkins, Azure DevOps). Assist with the management and gradual migration of legacy enterprise deployment systems toward modernized pipeline standards. Automate IIS server instances, deployment scripts, and deployment infrastructure in highly secure environments. Ensure maximum uptime, security compliance, and performance ...

Business Operations Lead - E-commerce Shopify Migration

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £470.00 per day
worked on projects where a legacy e-commerce platform had been migrated to Shopify Deep understanding of eCommerce platforms including CMS systems, promotional tools and other digital experience capability Experience working with an outsource partner ensuring SLAs are met & best practice is in place Excellent stakeholder management … templates ensuring full knowledge transfer and adoption across brands Where any eCommerce Operations are handled internally ensure the team are well trained in all systems Liaise closely with the Digital Design Lead to ensure the teams remain in sync across SLAs Manage Outsource Partner Manage ...