1 to 25 of 123 Remote Legacy Systems Jobs

Data Solution Architect Associate Director

Hiring Organisation
KPMG International Limited
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 150,000 - 200,000 Annual
designing and optimising data pipelines (batch and streaming) and integrating cloud-based platforms (e.g., Azure Synapse, AWS Redshift, Google BigQuery ) with legacy systems, ensuring performance and scalability. Deep knowledge of ETL/ELT processes , leveraging tools like Apache Airflow, dbt, or Informatica , with a focus on ensuring … solutions for real-time analytics, predictive modelling, intelligent automation , and synthetic data generation for privacy-preserving analytics. Expertise in integrating AI models into enterprise systems, leveraging APIs, containerisation (Docker, Kubernetes) , and serverless architectures to enable scalable deployment. Proactive evaluation of emerging technologies , including edge AI, federated learning, quantum-inspired ...

Data Engineer

Hiring Organisation
Fuelius
Location
Chester, Cheshire, UK
team to build cutting-edge solutions as we become a Microsoft Fabric end-to-end partner. This isn't about maintaining legacy systems - you'll be architecting the future of how enterprise clients handle data migration, implementation, and ongoing data strategy. What You'll Do Build robust … with real-world application Experience working as part of a team on: Cleaning and processing large datasets Data migration projects from legacy systems System integrations and data pipelines ETL processes (experience with tools like Snowflake, dbt, or similar modern data stack components is highly valued) Track record ...

Workday Data Lead

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £650 per day
which will take ownership of data migration activities - there will be a lot of work which is extracting data out of legacy systems through cleansing, transformation, mapping and loading into Workday. Workday Data Lead, key experience & skills: Extensive experience leading data workstreams on multiple Workday implementations Strong … technical, data background - migration and technical data roles Extracting and transforming HR and Payroll data from legacy systems Expertise in data mapping for migration Advanced SQL skills and experienced with ETL processes Excellent understanding of Workday data structures Ability to work with non-technical and senior stakeholders ...

Lead PHP Developer {Tech for Good}

Hiring Organisation
Ernest Gordon Recruitment
Location
Enfield, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
With solid groundwork already in place, you will take the lead in defining the technical future, steering the transition from legacy PHP systems to a modern, scalable platform built with Laravel, InertiaJS, and Vue 3. This role would suit an experienced Lead PHP developer experienced with Laravel … ready to step beyond maintaining legacy systems and help build something modern, scalable, and genuinely impactful. The Role: Lead the team and support Full Stack development Take responsibility for legacy PHP systems, ensuring they remain reliable as you progressively build a new platform. Hours ...

Lead Software Developer (Laravel, Vue

Hiring Organisation
Ernest Gordon Recruitment
Location
Enfield, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
North London office throughout the year. You'll take ownership of the technical direction, guiding the transition from legacy PHP systems to a modern, scalable architecture using Laravel, InertiaJS, and Vue 3. This position is ideal for an experienced Lead Software Developer who is ready to move … beyond maintaining legacy systems and wants to build something modern, meaningful, and impactful. The Role: Lead and mentor a small team while remaining hands-on with full-stack development Maintain and support existing legacy PHP systems while overseeing the build of a new platform ...

UK Life Tax Software Conversion Project Manager

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£400 - £800 per day
needed. Lead a dedicated test team of three to four members, coordinating their activities to ensure thorough validation of outputs between legacy systems and new technology solutions. Support comprehensive testing efforts by collaborating with testers across multiple locations, including the UK and Poland, guaranteeing accuracy and reliability … system outputs. Utilise advanced data analytics skills to compare, reconcile, and validate outputs from legacy systems against those generated by the new platform. Prepare detailed reports for clients or senior management covering incidents, proposals, or other relevant areas as required by operational needs. Attend and contribute meaningfully ...

Microsoft D365 BC Systems Manager

Hiring Organisation
Scouts
Location
Lancing, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Title: Microsoft D365 BC Systems Manager Salary: £59,103 per annum, Band H, Level 3 - Inclusive of a Market Supplement Location: Scout Store, Lancing, West Sussex, BN15 8UG Contract Type : Permanent Working Hours : 35 - Hybrid working with two days a week in Lancing and as required. About the role … looking for an experienced and practical Microsoft D365 Business Central Systems Manager to take ownership of our core business systems. This is a hands-on role where you'll make a real difference, keeping our systems running smoothly and helping the business work better every day. ...

Systems Configuration manager

Hiring Organisation
Indotronix Avani UK Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£540 per day
Contract: 12 months Location: Hybrid Glasgow (2 days per week on site) IR35: Inside IR35 Security Clearance: BPSS required We are seeking an experienced Systems Configuration Manager to support a major transformation programme within a large, complex Intelligent Transport Systems (ITS) environment. This role sits at the intersection … legacy systems, configuration management, and large-scale change , helping to baseline, rationalise, and transition long-established system configurations into a new, modernised systems estate. The Role Analyse and understand complex, long-standing system configurations (old) Capture, document, and structure configuration data into a clear, manageable format ...

GIS Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
strategic spatial energy planning, environmental impact assessments, economic modelling, and community engagement. The architect will play a pivotal role in consolidating legacy systems, ensuring data quality, and enabling advanced geospatial analytics. Your Responsibilities 1. GIS Platform Architecture & Design Lead the end-to-end design of a scalable … platform aligned with project strategic goals Define architecture principles, technology stack, and integration patterns Ensure interoperability with internal and external systems (e.g., energy models, environmental databases) 2. Infrastructure Provisioning Design and provision Azure-based environments (Sandbox, Dev, UAT, Production) Ensure high availability, scalability, and security of cloud infrastructure Integrate ...

IT Project Manager HMS - Data Migration - PT 4 days

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Portsmouth, Hampshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
will be working for Portsmouth Homes, who are embarking on a major transformation of its Housing Management services, replacing a complex mix of ageing systems with a single, modern, cloud-hosted Housing Management System (HMS). This high-profile project will play a significant role in improving services … engagement where required, ensuring supplier deliverables meet contractual expectations. Oversee all technical and functional workstreams, including data cleansing, migration from multiple legacy systems, integrations with Repairs, Community Safety, Finance and corporate platforms, environment management, and configuration. Manage testing cycles end-to-end, including SIT, UAT, defect tracking ...

Senior Site Reliability Engineer

Hiring Organisation
Pixelated People
Location
London Area, United Kingdom
just advise from the sidelines Technical Environment Multiple platforms and applications AWS and Azure cloud environments Mix of legacy and modern systems Mainframe experience is beneficial Cloud-native and modern applications DevOps skills and mindset are highly desirable About You Proven experience as a Senior … Coach/Consultant Strong background in transforming ops teams and operating models Comfortable working with both modern cloud platforms and legacy systems Excellent stakeholder engagement and coaching skills Passionate about culture change and building sustainable SRE practices Collaborative, pragmatic, and outcome-focused Why Join? This ...

Senior Software Engineer (.NET) / Architect

Hiring Organisation
Grange Insurance Association
Location
Seattle, Washington, United States
Employment Type
Permanent
Salary
USD Annual
families. With a legacy built on stability and service, we are now focused on shaping the future of our technology platforms. Our systems are rooted in the Microsoft stack. We are embarking on a journey to modernize these platforms by adopting modern architecture, cloud capabilities, and scalable … .NET Core and C#, and establishing scalable, secure, and resilient platforms for the future. Key Responsibilities Lead the modernization of legacy systems by migrating applications to .NET Core and C#. Architect and develop next-generation web and application platforms that support business growth and long-term maintainability. ...

Technical Architect

Hiring Organisation
Native Digital Talent Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
seen what technology can do. Now, imagine building the systems to make it happen from the ground up. An organisation dedicated to building public trust and setting professional standards is at a crossroads. Despite their critical mission, they've never had a dedicated Architecture team. Instead, this has been … architect in a small team managing a transformation, designing and owning the technology strategy from the ground up, and building scalable, secure systems that unify fragmented processes. It's not just about solving today's technology challenges, you'll be reshaping how the organisation operates, turning aging systems ...

Power Platform Architect - Various UK Sites (Hybrid) - £70K

Hiring Organisation
Nigel Frank International
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
solution design and technical delivery Designing and delivering Power Platform and Azure-based solutions Leading integration with legacy third-party systems, including XML-based interfaces Mentoring and supporting a junior Power Platform Developer Skills & Experience Required: Strong senior-level experience with Microsoft Power Platform (Power Apps, Power … Automate, Dataverse) Background in C#, .NET, JavaScript, or traditional web development Proven experience integrating with legacy systems and APIs Experience working in complex or regulated environments If you'd like to discuss this opportunity in more detail, please contact Evie Ellson on +44 (phone number removed ...

Data BA

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
modernization program. This is an opportunity to work on a cutting-edge initiative leveraging AI and modern data platforms to transform legacy systems into a future-ready architecture. What You'll Do Phase 1: Foundation & Discovery Legacy Inventory & Triage: Lead discovery of 40-50 legacy ...

Testers, Solutions Architect, C# Developers, IT support

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
functional testing using Azure Devops, XRAY and JIRA. It also includes defect tracking and management. Regression, Functional, emergency change and defect testing across systems in production. API testing, data validation, and batch process testing to ensure end-to-end system integrity. Designing and maintaining a test results dashboard … Framework/.NET Core, HTML/CSS/TypeScript/React, Python, SQL Server, Oracle). The role focuses on refactoring legacy systems to reduce technical debt, improve reliability and performance, and embed modern security patterns across the service estate. In addition, the engineer will contribute ...

Data Migration Specialist

Hiring Organisation
Generis
Location
United Kingdom
during migration activities, working closely with technical teams and business stakeholders. Key Responsibilities: Design, plan, and execute data migration strategies from legacy systems to CARA platforms Analyze source data structures, data quality, and dependencies Develop and maintain data mapping, transformation rules, and migration documentation Perform data extraction … programming languages such as Java or Groovy Strong problem-solving and analytical skills Excellent documentation and communication skills Beneficial Expertise: Experience with ECM systems (e.g. Documentum) Experience with ETL tools (e.g., AWS S3, EC2) Understanding of data modeling, data warehousing, and data quality concepts. Additional Attributes Attention to detail ...

Software Architect - Analytics & Reporting

Hiring Organisation
UnitedHealth Group
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 125,000 - 150,000 Annual
Software Architect to lead the design and evolution of our Analytics and Reporting platforms. This role will be instrumental in modernizing legacy systems, driving scalable architecture, and embedding AI-first principles-with a particular focus on AI, Machine Learning and Robotic Process Automation. You will collaborate closely … software architecture, including deep exposure to analytics or reporting domains Proven experience with AI automation tools Proven experience designing and deploying agentic AI systems that autonomously perform tasks across data pipelines, reporting workflows, or operational triggers Demonstrated proficiency in integrating ML models for predictive analytics, classification, anomaly detection ...

Data Engineering Manager

Hiring Organisation
Reed
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Full-Time
Salary
£64,000 - £76,260 per annum, Inc benefits
Power BI. Lead the design, build, and maintenance of scalable data products, pipelines, and Lakehouse solutions. Oversee data migration from legacy systems, ensuring quality, lineage, and continuity. Establish and improve data governance, metadata management, and documentation standards. Lead the Data Engineering contribution to major organisational programmes, including ...

Senior C# Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
side and client-side applications using .NET Framework/Core , React/TypeScript , and relational databases ( SQL Server , Oracle ). Refactor legacy systems to reduce technical debt and improve performance. Implement modern security patterns (OAuth2/OpenID Connect, OWASP principles). Optimise database queries and schemas; ensure ...

Senior Data Warehouse Engineer - Contract Role

Hiring Organisation
Tenth Revolution Group
Location
Dublin, County Dublin, Ireland
Employment Type
Contractor
Contract Rate
£450 per day
providing recommendations for data design and architecture. Develop clear, concise documentation for technical specifications and system changes. Ensure new solutions integrate seamlessly with legacy reporting systems. Required Experience Advanced SQL skills, including performance tuning, indexing strategies, and complex stored procedures. Minimum 7 years of hands-on experience with ...

SQL Database Administrator (DBA)

Hiring Organisation
Akkodis
Location
Leicester, Leicestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 52,000 Annual
future of data infrastructure. The Role You'll be responsible for the day-to-day management of SQL Server and Azure-based data systems, supporting ETL processes, and driving improvements across data platforms. This is a great opportunity for someone who enjoys solving problems, improving systems, and working … Familiarity with Azure SQL, Azure Analytics, Dataverse or similar (or willingness to learn) Strong analytical skills and ability to reverse-engineer legacy systems Excellent documentation and stakeholder communication skills A proactive, collaborative mindset with a passion for continuous improvement Core Competencies Clear and respectful communicator Open-minded ...

Senior C++ Developer Low Latency - Learn Rust

Hiring Organisation
Client Server
Location
London, England, United Kingdom
Senior C++ Developer you will design and develop high throughput backend services for microsecond real-time risk, pricing, trading engines and market making systems, working across the full software development lifecycle using Rust (and some C++ for legacy systems). You'll collaborate with a small … talented team, problem solving and working on complex and challenging systems with interesting work. Location/WFH: You'll join the team in Central London with flexibility to work from home 1-2 days a week. About you: You have strong backend OOP, multithreaded software engineering experience with C++ ...

Senior Software Engineer

Hiring Organisation
Perch Group
Location
North West, England, United Kingdom
Senior Software Engineer with a passion for building high-performing, scalable systems and solving complex technical challenges? We’re looking for a talented engineer with strong expertise across .NET, Azure Data Factory, Azure Services and SQL Server to join our team during an exciting period of data and platform … data pipelines, performance tuning, and system integrations . You’ll play a key role in shaping our future architecture, modernising legacy systems, and driving improvements in quality, performance, and scalability. This is a hands-on engineering role to start, with a clear path to progression into ...

SAP S/4HANA Finance Group Reporting Lead

Hiring Organisation
DXC
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...