1 to 25 of 212 Legacy Systems Jobs in England

FX Prime Brokerage Developer VP - (FX Prime)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Prime Brokerage Developer VP – FX Prime Role Overview Hands‐on technical implementation of FX trading systems Work with teams across FX Technology to implement solutions that benefit the business Drive the design and development of system architecture, engage with end‐users, and enhance the quality of deliverables Contribute … responsibility Key Skills and Experience Required Proven understanding of FX (highly preferred) Understanding of low‐latency development practices Proven track record of building new systems, replacing legacy systems, and renovating existing systems Systems (software, hardware, networks) knowledge required to define solutions and troubleshoot issues ...

Senior Data Engineer

Hiring Organisation
Matalan
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent
efficient data ecosystem, playing a key part in bridging Data, IT Security, and Business Strategy. Youll lead the move away from legacy systems, embedding a modern lakehouse approach and ensuring our data operations are production-ready, governed, and built to scale. You will: Design and implement … lineage, and cataloguing tools Solid understanding of IT security principles (IAM, network controls, secure architecture) Experience leading large-scale migrations from legacy systems to cloud platforms The ability to translate complex technical challenges into clear, business-focused insights A passion for raising engineering standards and mentoring others ...

Mid-Level Laravel Developer

Hiring Organisation
Hawk 3 Talent Solutions
Location
Crewe, Bradfield Green, Cheshire, United Kingdom
Employment Type
Permanent
Salary
£35000/annum
Start Available Are you a Laravel Developer looking for a role where you can make a genuine impact across modern platforms and business-critical systems? We're recruiting on behalf of a growing and forward-thinking business seeking a Mid-Level Laravel Developer to join their expanding tech team … based onsite in Crewe. This is an exciting opportunity for a developer who enjoys both building new applications and modernising legacy systems, while working closely with operational teams and stakeholders across the business. You'll become the onsite technical representative for the central IT team, playing ...

Solution Architect (Java, Spring Boot, Microservices)

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum + perm benefits
confidently govern third-party delivery to high standards. The Role You'll play a key role in designing and shaping scalable, resilient systems across e-commerce and integration platforms. Working closely with internal teams and external vendors, you'll ensure solutions are robust, secure, and aligned with long-term … third-party code and architecture to ensure adherence to defined standards and best practices. Integration Leadership: Lead complex data integrations between legacy systems and modern API-driven middleware environments. Problem Resolution: Investigate recurring system issues (e.g. performance, errors, data inconsistencies) and implement sustainable, long-term solutions. Documentation ...

Workday Financial Data Migration Lead

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£700 - £800 per day
data workstream. Requirement for someone to lead the full data agenda across the programme lifecycle working across legacy systems, Workday, integrations and reporting requirements. Workday Data Lead, key responsibilities: Lead data workstream across full programme lifecycle Define and deliver data strategy - data plan for Workday Financials implementation … Understanding of finance data structures including master data Experience defining and managing data strategies and data plans Previously worked across multiple legacy systems and data sources Overseeing and coordinating technical teams Strong understanding of data quality and data controls Reasonable Adjustments: Respect and equality are core values ...

FX eTrading Java Developer - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
delivering FX technology in support of our #1 FX business.**Role Overview/What will you do:*** Hands on technical implementation of FX trading systems* The successful candidate will work with teams across FX Trading Technology implement solutions that benefit the business* The role does not involve budget responsibility … Drive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation for filings on a current basis and in comprehensive manner* Contribute ...

FX eTrading Technology Java Developer - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
delivering FX technology in support of our #1 FX business. Role Overview/What will you do Hands on technical implementation of FX trading systems The successful candidate will work with teams across FX Trading Technology to implement solutions that benefit the business The role does not involve budget … responsibility Drive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables. Ensure staff follows the company documented policy and procedures as well as maintain desktop procedures and supporting documentation for filings on a current basis and in comprehensive ...

FX Technology – Cross Border Payments Developer (AVP)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Payments to define and then implement solutions Develop against an evolving system architecture using an AI‐First approach, working with end‐users of the systems, and enhancing the quality of deliverables Follow best practices and processes for the department and support transparency and consistency within immediate team … contact with sales or trading business teams is required Demonstrable understanding of FX products is preferred Proven track record of developing aspects of new systems, migrating legacy systems and renovating existing systems The candidate will have a strong systems (software, hardware, networks) knowledge required ...

SQL Data Engineer - Azure Integration Hotel Chocolat

Hiring Organisation
Datatech Analytics
Location
Royston, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
data architecture. You will be responsible for helping shape Logical and Canonical Data Models (LDM/CDM), supporting the migration of legacy systems into a modern, scalable data environment and building high performance integration solutions across multiple business systems. The role is responsible for ensuring the optimal … ROLE AND RESPONSIBILITIES Collaborate with the Data Architect to design and deploy LDMs and CDMs, facilitating the decoupling of legacy core systems from modern SaaS endpoints Design, deploy, and monitor event-driven integration patterns using Azure Logic Apps, Functions, and Service Bus to manage transactional data ...

Lead Solution Architect Endur (ETRM Gas & Power Trading)

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
Employment Type
Work From Home
Architect to shape the technology behind our Gas & Power Trading International (GPTI) business. This role sits across the full trading landscape from front-office systems to back-office processing, data platforms, integrations and infrastructure. Youll take ownership of the technology roadmap, with a strong focus on the Endur … technology is aligned, scalable and fit for the future. Youll play a key role in modernising our estate moving from legacy systems to more cloud-based and hybrid solutions while keeping performance and reliability at the level required for real-time trading. Were also looking for someone ...

FX eTrading Technology Java Developer - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
benefit the business. The role does not involve budget responsibility. Drive the design and development of system architecture, work with end‐users of the systems, and enhance the quality of deliverables. Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation … Skills and Experience Required Proven understanding of FX highly preferred. Understanding of ultra low‐latency development practices. Proven track record of building new systems, replacing legacy systems and renovating existing systems. Systems (software, hardware, networks) knowledge required to define solutions and troubleshoot issues. Exceptional communicator ...

Lead AI DevOps Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
DevOps Engineer to join a growing engineering capability and play a central role in shaping how AI is embedded into real, production-grade software systems . This is not a traditional people-management role . Instead, you'll lead through technical depth, architectural judgement, and delivery experience by setting … capabilities are integrated into modern software platforms. If you enjoy working where architecture, APIs, DevOps, and AI meet , and you care about building systems that are secure, operable, and genuinely useful, this role offers the chance to have real impact. What you'll be doing Your focus will ...

Lead AI DevOps Engineer

Hiring Organisation
Lorien
Location
London, UK
Employment Type
Full-time
capabilities are integrated into modern software platforms. If you enjoy working where architecture, APIs, DevOps, and AI meet, and you care about building systems that are secure, operable, and genuinely useful, this role offers the chance to have real impact. What you'll be doing Your focus will … enabling AI within modern, API-first software platforms, particularly where legacy or existing systems need to evolve to support new capabilities safely and effectively. You will: Provide technical leadership across AI-enabled software and DevOps engineering teams Set architectural direction for API-first design, system integration ...

IT Manager

Hiring Organisation
ALH Recruitment Ltd
Location
Boston, Lincolnshire, England, United Kingdom
Employment Type
Full-Time
Salary
£38,000 - £45,000 per annum
includes: Oversight of infrastructure, networks, cloud services, and business-critical applications, ensuring secure and reliable operations. Support for both legacy and modern systems, including ERP, CRM, Sage, Microsoft 365, and specialist software. Management and liaison with external providers, contractors, and internal teams to deliver IT solutions, support … user provisioning, group policies, account decommissioning, and organisational structure management. Configure and manage VLANs, switches, routers, firewalls, and wireless networks. Administer and support telephony systems, including Avaya onsite PBX, VoIP services, and phone recording/information requests. Provide support for audio-visual equipment, conferencing systems, and meeting room ...

Associate Director - IT and Digital Transformation

Hiring Organisation
Principal Medical Limited
Location
Bicester, OX26 3HA, United Kingdom
Salary
£90000.00
summary The role is responsible for shaping and delivering a unified digital and innovation strategy, modernising legacy systems, and embedding a culture of digital excellence across the organisation. The role will ensure strong governance, cyber security, risk management, and supplier partnerships, while aligning IT investment to organisational … delivery of a robust technology strategy and enabling organisation-wide digital transformation. The postholder will oversee IT operations, digital services, and business intelligence, ensuring systems and infrastructure in place to support efficient, high-quality, and sustainable patient services. About us PML is a successful not-for-profit ...

Network & Infrastructure Manager - Wembley

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum + Benefits
environments Define, implement, and enforce robust SOPs for backups, disaster recovery, patch management, and hardware lifecycle Ensure reliable connectivity between legacy core systems and modern application platforms Oversee internal security monitoring and collaborate with external security partners (SOC/MDR) Lead incident and problem management activities, including … including incident, problem, and change management processes Experience with ITSM tools (e.g., Jira) and working within SLA-driven environments Familiarity with legacy systems connectivity (e.g., AS/400/iSeries) is highly beneficial ...

Software Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
teams’ most powerful ideas. As part of our engineering team, you’ll shape the platforms and tools that drive high‐impact research – designing systems that scale, accelerate discovery and support innovation across the firm. We are looking for an experienced Development Manager to lead two strategically important engineering groups … Infrastructure (EI): Security Automation Engineering (SAE) – the development arm of the Cyber Security Incident Response Team (CSIRT), responsible for building automated detection and response systems; Enterprise Infrastructure Application Development (EIDev) – a new and growing team responsible for building secure, scalable applications and services for G‐Research’s corporate domain. ...

Data Engineer

Hiring Organisation
Liquidline
Location
Ipswich, Suffolk, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
ownership of the technical foundations of our data platform – from ingestion and infrastructure to deployment – helping us move from legacy, on-premise systems to a modern, cloud-first data architecture. Working closely with the BI & Data Lead and an Analytics Engineer, you’ll be the primary architect … turning fragmented legacy data into a competitive, AI-ready asset. If you enjoy building things from the ground up, modernising complex systems, and shaping how data is used across a business, this role offers real ownership and influence. The Role - Data Engineer Designing a greenfield data platform ...

QA Analyst & Performance Testing

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Southampton, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
role Our client is looking to appoint a QA Analyst who can take real ownership of quality across a suite of business-critical systems, with a particular emphasis on performance, scalability, and system resilience as the organisation evolves its technology landscape. This role will sit at the centre … scale within an increasingly modern, Azure-led environment. It will suit someone who is comfortable working across both legacy and cloud-based systems, and who can bring structure, rigour, and measurable performance standards to how quality is defined and delivered. From day one, you'll be embedded ...

Scrum Master (JIRA)

Hiring Organisation
Hays Technology
Location
Bath, Somerset, United Kingdom
Employment Type
Contract
Owners to maintain a well-groomed backlog. Support delivery in client environments including: Working within client governance frameworks Managing dependencies with external suppliers and systems Ensure Agile practices are adapted appropriately for regulated defence programmes, including supporting RADIO management from a Scrum Manager perspective. Track and report delivery metrics … communication skills Desirable Experience Experience working within client programmes Knowledge of Client XX Digital standards or delivery frameworks Experience integrating: Legacy systems Cloud-native platforms (e.g., AWS-based solutions) Familiarity with DevSecOps practices in secure environments Scrum certifications (CSM, PSM, SAFU SM) Key Attributes Pragmatic Agile mindset ...

Senior Systems Integration Consultant – Contract

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Systems Integration Consultant (.NET, Azure, Data, MIS) Job Description Contract Length: 3 months Start: Immediate Day Rate: £400‐£500 per day IR35: Outside IR35 Location: Hybrid, predominantly remote Overview We are looking for a senior Systems Integration Consultant to step into a live environment and stabilise … ensure the platform is fully operational. Key Responsibilities Stabilise and optimise Mitratech platform integration Extract and migrate data from legacy .NET systems Build and troubleshoot integrations across: Timesheet systems, HR workflows including Excel exports, Internal operational systems Implement workflow automation and triggers Debug live production ...

Microsoft Data Analyst (IT Consultant)

Hiring Organisation
Jobleads-UK
Location
Swindon, England, United Kingdom
Packages JIRA/Confluence/Bugzilla Microsoft Visio Microsoft Office (Excel,PowerPoint,Word,Visio,Outlook) Responsibilities Comparing reports data from legacy systems to newly migrating systems Experience in design, development, implementation, and ongoing support of existing reports and changes to the Microsoft reports Experience in creating … Intelligence reports and their data calculations Expert in using Microsoft Excel with VLOOKUps and compare the reports data Expert in creating datasets from databases systems with SQL Server & Oracle databases Participating in change control meetings Liasoning with other customer business departments like Sales teams and HR teams Gathering ...

Lead Data Engineer

Hiring Organisation
Human Fertilisation & Embryology Authority
Location
London, E20 1JQ, United Kingdom
Salary
£54500.00 to £62500.00
capability that underpins the HFEA Register, PRISM and associated enterprise data services. The HFEA is undergoing significant transformation across its core legacy systems and its transition to modern cloud-native environments. The Lead Data Engineer will provide technical leadership for this evolution across Azure virtual machine workloads ...

Senior Web Developer

Hiring Organisation
Office Angels
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
leading organisation on a contract basis . This is an exciting opportunity to work on a high-impact greenfield project , modernising legacy systems using cutting-edge technologies. The Role You will play a key role in the redesign and redevelopment of legacy in-house applications … while also supporting existing systems during the transition period. Key responsibilities include: Leading full-stack development on a greenfield application rewrite Supporting and maintaining legacy applications Collaborating with stakeholders to gather and refine business requirements Designing and managing MS SQL Server databases Developing integrations with internal corporate ...

Data Engineering Manager

Hiring Organisation
South West Water
Location
Exeter, Devon, England, United Kingdom
Employment Type
Full-Time
Salary
£52,000 - £62,000 per annum
play a key role in shaping how we deliver modern, cloud-based data engineering while ensuring the stability and evolution of legacy systems. Working closely with stakeholders across the organisation, you’ll help turn complex data into actionable insights that support business decisions and long-term strategy. What … Build Modern Data Solutions – Deliver high-quality pipelines, data models, and products using tools such as Databricks and Microsoft Fabric Manage Legacy Systems – Oversee maintenance and modernisation of SQL Server and SSIS environments Champion Best Practice – Embed strong engineering standards including CI/CD, testing, security ...