101 to 125 of 278 Legacy Systems Jobs

Lead .NET Developer

Hiring Organisation
Reed
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
investment they're ready to do this again! They need a Lead Software Engineer to lead the migration and modernisation of a complex legacy application into a modern, scalable architecture. This is a hands-on technical leadership role where you’ll shape the design, guide the team … ensure successful delivery of a critical transformation project whilst having fun along the way! Key responsibilities... Drive the migration of legacy systems to modern, cloud-based solutions. Define and implement microservice architecture using a code-first approach . Apply strong architectural principles and design patterns to deliver ...

Senior Strategy Lead

Hiring Organisation
Elevate Recruitment
Location
Chester, Cheshire, North West, United Kingdom
Employment Type
Permanent
Board, translating complex technical requirements into business-aligned roadmaps that support rapid growth and post-merger integration. Compliance & Quality Excellence: Ensure all IT systems and data processes strictly adhere to MHRA standards. You will oversee the digital side of Quality Management Systems (QMS) and ensure "inspection readiness" across … with GDPR and other data privacy regulations. Acquisition Integration: Lead the IT workstream for new acquisitions, rapidly assessing, securing, and migrating legacy systems into our scalable corporate architecture. Innovation: Stay "ahead of the curve" by identifying emerging technologies (e.g., AI/ML in drug development) that ...

Full Stack Engineer

Hiring Organisation
fs talent
Location
Hertfordshire, England, United Kingdom
everything from trading platforms to client presentation tools, with full ownership from concept to production. This isn't about maintaining legacy systems – you'll be building greenfield applications that enable our growth strategy. What You'll Do · Design, build and deploy full-stack web applications using React … deliver solutions · Build responsive, intuitive frontends that non-technical users love · Develop robust APIs and backend services integrated with our internal and 3rd party systems · Deploy containerized applications on AWS EKS with robust CI/CD pipelines · Balance "perfect" with "shipped" – knowing when good enough is exactly right · Contribute ...

Node.js developer

Hiring Organisation
act digital
Location
Portugal
Employment Type
Permanent
Salary
EUR Annual
architectures) Strong experience with React and TypeScript, including building and maintaining production-grade applications Solid understanding of microservice design, service boundaries, and API-driven systems Solid experience with Kubernetes and cloud-native, containerised environments Comfortable working with Docker in production systems You value clean architecture, maintainable code … software quality, testing, and CI/CD practices You are comfortable working in environments with ambiguity, evolving requirements, and change You enjoy improving existing systems as much as building new ones You are motivated by solving complex, real-world engineering problems Nice to have: Strong experience with testing ...

Senior Business Analyst - Banking

Hiring Organisation
Inspire People
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£55,000
enable successful implementation of our change initiatives. You will be joining the Markets, Banking, Payments and Resolution (MBPR) Tower, which delivers change across the systems and services that support the Bank's markets, banking and payments operations. The tower focuses on modernising platforms, improving processes and ensuring critical services … transformation within financial services or banking environments. Experience contributing to large-scale platform modernisation programmes, including migration from legacy systems to target-state architectures. Benefits In addition to the base salary of ££49,360 - £55,530, you can expect a planned, transparent progression with learning and development ...

Senior Solution Architect

Hiring Organisation
Addition
Location
Watford, England, United Kingdom
/Gaming/Entertainment What You’ll Be Doing: Lead solution architecture across web, mobile, and backend platforms. Analyse requirements and legacy systems to design modern, scalable solutions. Collaborate with in-house and nearshore development teams on design and implementation. Produce high and low-level design documentation ...

Software Development Manager

Hiring Organisation
ARC IT Recruitment Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Role Youll lead multiple engineering teams and delivery partners, driving the build and integration of modern, cloud-based platforms while transitioning from legacy systems. This is not a hands-on coding role , but equally not a pure programme role youll sit at the intersection of engineering, architecture ...

Software Development Manager

Hiring Organisation
Arc IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£10,000 - £130,000 per annum
Role You’ll lead multiple engineering teams and delivery partners, driving the build and integration of modern, cloud-based platforms while transitioning from legacy systems. This is not a hands-on coding role , but equally not a pure programme role — you’ll sit at the intersection of engineering ...

Senior Data Architect - Healthcare

Hiring Organisation
RP Recruitment Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
/0160) Experience delivering successful GDS Beta Assessments Capabilities Communicate complex data concepts to non-technical stakeholders Design resilient integrations with legacy systems Strong privacy-first mindset Experience 7+ years in Data Architecture (3+ in UK Government) Proven OutSystems delivery REST/OData API design for secure ...

SAP Data Migration Consultant

Hiring Organisation
Henderson Scott
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
multiple data objects Define data migration strategy, approach, and best practices Perform data extraction, cleansing, transformation, and loading (ETL) Work with legacy systems and SAP (including S/4HANA where applicable) Support data validation, reconciliation, and cutover activities Collaborate with functional and technical teams to resolve data ...

Senior Delivery Manager/Project Manager

Hiring Organisation
ProofID
Location
Manchester, England, United Kingdom
clear - we strive to provide pain-free, secure, and seamless digital user experiences for our clients. Whether it's addressing legacy systems, compliance issues, or M&A transitions, our team has the expertise to navigate complex projects and ensure smooth implementations. With over 100 employees worldwide ...

Data Analyst

Hiring Organisation
Vallum Associates
Location
London Area, United Kingdom
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 ...

Principal Software Engineer

Hiring Organisation
Aurum Solutions
Location
Braga, Portugal
Employment Type
Permanent
Salary
EUR Annual
maintain and improve complex desktop applications used in production environments. Strong analytical and problem-solving skills, with the ability to understand and improve legacy systems. Experience working in Agile development environments. Comfortable working independently with a high degree of ownership and responsibility. Strong collaboration skills and the ability ...

Senior Data Manager

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £80/hour
modernizing enterprise architecture through the SAP Rise migration program. In this role, you will play a pivotal part in transitioning from legacy systems to a standardized cloud-based ERP ecosystem. You will work at the intersection of technical systems and business insight to ensure data remains … high-quality, compliant, and architecturally optimized during this large-scale migration. The Role Data Governance & Quality: Drive a "Data Quality mindset" by monitoring systems, detecting issues, and executing end-to-end data corrections and standardizations. Migration Strategy: Support the introduction of interim architectures to test data contracts, quality governance ...

SaaS Migration Project Manager

Hiring Organisation
Venn Group
Location
West Midlands, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
seeking an experienced Project Manager to lead a SaaS migration within an education services environment. This role will focus on transitioning legacy systems to a modern SaaS platform, ensuring minimal disruption to service delivery across schools, stakeholders, and internal teams. Key Responsibilities Lead … management, including training and communications for end users Ensure the solution meets the operational needs of education services (e.g. schools, SEND, admissions, or MIS systems) Key Requirements Proven experience delivering SaaS migration or cloud transformation projects Strong background in project management within education, local authority, or public sector environments ...

Principal Information Systems Engineer - Onsite Tucson, AZ

Hiring Organisation
Raytheon
Location
Tucson, Arizona, United States
Employment Type
Permanent
Salary
USD Annual
team solves tough, meaningful problems that create a safer, more secure world. The Test Equipment Engineering (TEE) includes the engineering disciplines responsible for systems design & test with all Raytheon products. Our engineers are responsible for every element of the development lifecycle for test including: test requirements, test system design … hands-on, designing with the latest technology and tools, and integrate state of the art test solutions with the most advanced engineering systems in the world. As part of the Test Environment Support Administration (TESA) team, you be working with both leading-edge technologies and legacy systems ...

Principal/Lead Software Engineer

Hiring Organisation
Reed Technology
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
looking for a Principal/Lead Software Engineer to lead the migration and modernisation of a complex legacy application into a modern, scalable architecture. This is a hands-on technical leadership role where … shape the design, guide the team, and ensure successful delivery of a critical transformation project. Key Responsibilities Drive the migration of legacy systems to modern, cloud-based solutions. Define and implement microservice architecture using a code-first approach . Apply strong architectural principles and design patterns ...

Enterprise Architect

Hiring Organisation
Elevate Recruitment
Location
Deeside, Flintshire, Wales, United Kingdom
Employment Type
Permanent
Board, translating complex technical requirements into business-aligned roadmaps that support rapid growth and post-merger integration. Compliance & Quality Excellence: Ensure all IT systems and data processes strictly adhere to MHRA standards. You will oversee the digital side of Quality Management Systems (QMS) and ensure "inspection readiness" across … with GDPR and other data privacy regulations. Acquisition Integration: Lead the IT workstream for new acquisitions, rapidly assessing, securing, and migrating legacy systems into our scalable corporate architecture. Innovation: Stay "ahead of the curve" by identifying emerging technologies (e.g., AI/ML in drug development) that ...

Business Analyst

Hiring Organisation
LDH (La Doria) Ltd
Location
Sproughton, England, United Kingdom
financial and operational business flows into effective IT solutions. The ideal candidate will bridge the gap between business needs and technical implementation, ensuring our systems support and enhance core business activities. This role requires deep knowledge of business processes and substantial expertise across various SAP modules. Job Summary: Collaborate … time. Facilitate UAT with end-users to ensure the system meets their needs. Manage and execute Data Migration activities from legacy systems to the new platform. Oversee the Go-Live process, ensuring a smooth and effective transition and provide immediate support post-implementation to address any issues. ...

Data Analyst - SQL Database Specialist

Hiring Organisation
erg group
Location
Nottingham, England, United Kingdom
doubling profits year-on-year with revenue scaling from £1.9M to £3.2M. You'll join during an exciting transformation phase, taking ownership of the systems that power their entire commercial operation. **Tech Stack & Environment** • SQL Server databases (customer, billing, inventory) • HubSpot CRM integration • Excel/PowerPoint reporting suite • Legacy … platform experience • Customer billing/invoicing background • Advanced SQL concepts (indexing, optimisation) **What Makes This Special** Rare opportunity to own legacy systems while modernising for future growth. You'll get 1-month structured handover with the departing specialist, then full autonomy to implement improvements and drive system ...

Senior Solutions Architect

Hiring Organisation
Arthur
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Hybrid) Sector: Specialty Insurance & Reinsurance Type: Permanent | Senior Leadership Are you a future-focused Solution Architect who thrives on tackling complex challenges, modernising legacy ecosystems, and influencing enterprise-wide technology strategy? A global, financially rock-solid specialty insurer is expanding its Architecture function and is looking … Opportunity Stands Out Enterprise influence – You’ll shape the roadmap for multiple business domains and play a key role in retiring legacy systems and designing modern, modular, cloud-ready platforms. True architecture ownership – From concept to approval, you are the accountable design authority for critical initiatives. Innovation ...

Principal Data Engineer

Hiring Organisation
Halian Technology Limited
Location
South East London, London, United Kingdom
Employment Type
Permanent
modern data platform from the ground up. Were working with a business in the middle of a high-impact data transformationmoving away from legacy constraints towards a scalable, cloud-first architecture. Theyre looking for a Principal Data Engineer to take a leading role in that journey. This isnt … skills in Python and SQL Hands-on experience with Databricks, Azure, and GCP/BigQuery Proven ability to work across both legacy systems and modern cloud environments Key Skills DevOps mindset you automate wherever possible and write clean, testable code Pragmatic approach focused on delivering value without ...

Integration Architect

Hiring Organisation
Brickendon Consulting
Location
City of London, London, United Kingdom
10+ systems. Experience within the loans or financial services domain. Familiarity with Oracle database integration patterns (relevant to CLASS and legacy systems). Knowledge of AWS integration services: Glue, DMS (Database Migration Service), or Step Functions ...

Senior Power Platform Developer / Consultant

Hiring Organisation
Morson Edge
Location
Essex, South East, United Kingdom
Employment Type
Contract
best practice, governance and standards for Power Platform Supporting the creation of a Power Platform CoE (process, tooling, controls) Working across legacy systems and integrating with Microsoft 365 We're looking for someone who: Has strong experience across Power Platform (Power Automate, Power Apps) Has delivered ...

Oracle Project Manager

Hiring Organisation
VIQU IT
Location
Birmingham, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day Outside IR35
teams Oversee data migration and validation activities, working closely with SMEs and data leads Coordinate integrations delivery between Oracle Fusion and legacy systems Support post-go-live/hypercare activities, ensuring issues are tracked and resolved effectively Manage risks, issues, and dependencies across multiple workstreams Work closely ...