1 to 25 of 229 Permanent Legacy Systems Jobs in England

Digital Integration Manager

Hiring Organisation
National Health Service
Location
Wolverhampton, West Midlands (County), United Kingdom
Salary
£ 60 K
summaryA fantastic opportunity to transform, shape and define the Interfacing/Integration solutions for the Trusts digital systems, responsible for forging and evolving key clinical systems and development that allows our clinical and non-clinical staff improved effectiveness in their role to the ultimate benefits of our patients. … chance to contribute to a vital national service that everyone will use at some stage in their life. Working to the Head of Digital Systems but in partnership with the Trusts Development Manager, Digital Services management team and Technical Services management team to provide technical direction, influence our overall ...

Digital Integration Manager

Hiring Organisation
The Royal Wolverhampton NHS Trust
Location
Wolverhampton, WV10 0QP, United Kingdom
Salary
£57528.00 to £64750.00
summary A fantastic opportunity to transform, shape and define the Interfacing/Integration solutions for the Trusts digital systems, responsible for forging and evolving key clinical systems and development that allows our clinical and non-clinical staff improved effectiveness in their role to the ultimate benefits … chance to contribute to a vital national service that everyone will use at some stage in their life. Working to the Head of Digital Systems but in partnership with the Trusts Development Manager, Digital Services management team and Technical Services management team to provide technical direction, influence our overall ...

EPR Cutover Project Manager

Hiring Organisation
Innovate Healthcare Services
Location
Warwick, CV34 5BW, United Kingdom
Salary
£80348.00
Programme team. You'll be responsible for designing, developing, and executing the Cutover Plan that transitions the organisation from legacy systems and processes to the new Oracle Health Millenium platform. You'll also lead the early live support strategy to ensure a smooth go-live across … duties of the job The EPR Cutover Project Manager will lead the strategic planning and execution of the transition from existing legacy systems and workflows to the new Electronic Patient Record (EPR) system. This role is critical to delivering a seamless and disruption-free go-live across ...

Software Engineer - Mission Management Systems

Hiring Organisation
Hackajob Ltd
Location
Yeovil, Somerset, South West, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£65,000
standard range are managed through governance controls to protect internal equity. At Leonardo in Yeovil we are seeking an experienced Software Engineer - Mission Management Systems to drive the end-to-end development of high-integrity aircraft software during a critical technical pivot. This role focuses on the evolution … Tactical Mission Management Systems-maintaining the reliability of our legacy manned platforms while architecting the software for our emerging uncrewed and autonomous capabilities. Your impact Working within our Helicopter division, you will be taking ownership of complex mission system software component, ensuring legacy systems ...

Software Engineer - Mission Management Systems

Hiring Organisation
Leonardo DRS
Location
Yeovil, Somerset, United Kingdom
Salary
£ 50 K
above the standard range are managed through governance controls to protect internal equity.At Leonardo in Yeovil we are seeking experienced Software Engineers - Mission Management Systems to drive the end-to-end development of high-integrity aircraft software during a critical technical pivot. This role focuses on the evolution … Tactical Mission Management Systems—maintaining the reliability of our legacy manned platforms while architecting the software for our emerging uncrewed and autonomous capabilities.Your impactWorking within our Helicopter division, you will be taking ownership of complex mission system software component, ensuring legacy systems remain robust ...

Senior Full Stack Engineer - Agentic Industrial Emissions Platform (React and Go)

Hiring Organisation
IFS
Location
London, United Kingdom
Salary
£ 80 K
Core Responsibilities :Lead the design, architecture, and implementation of scalable APIs, services, and accessibility-first user interfaces. Drive the modernization of legacy systems into modular, event-driven, API-first components. Deliver AI-native features and improvements across both front-end and back-end, using multiple programming languages … outcomes from design through to production. Desirable :Experience with cloud platforms such as Azure, AWS, or GCP. Experience with event-driven architectures, distributed systems, or microservices. Experience modernizing legacy systems into modular, scalable platforms. Experience working in cross-functional product teams. Experience mentoring engineers or contributing ...

Senior Electronic Design Engineer - High Speed Digital

Hiring Organisation
Verso Recruitment
Location
Colchester, Essex, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
legacy designs and tackle obsolescence projects. Your innovative thinking and problem-solving skills will be at the forefront, ensuring that older systems are revitalised and continue to perform at their best. The ideal candidate will possess a strong background in hardware design engineering. Proficiency in CAD tools … deep understanding of electronic components and systems are crucial. Experience with legacy systems and obsolescence management will set you apart, demonstrating your ability to navigate and update older technologies effectively. Experience & Skills required for the Senior Electronic Design Engineer – High Speed Digital, Reading: Proven experience with ...

Workday Financials Data Consultant

Hiring Organisation
Cognizant
Location
London, United Kingdom
Salary
£ 80 K
processes and data transformation logic to improve and normalise financial data.Validate and reconcile data loaded into Workday, ensuring consistency with legacy systems and financial requirements.Engage regularly with clients throughout the project lifecycle, ensuring a smooth transition from legacy systems to Workday Financials.Manage multiple tasks … develop expertise.Skills & Requirements:Bachelor’s degree or equivalent experience in Information Technology, MIS, Finance, or a related field.Experience in ERP data conversion or financial systems implementation.Experience with Workday Financials is essentialUnderstanding of financial data structures, including General Ledger, transactions, and reporting frameworks.Experience with data conversion, migration, and data loading ...

Senior Solutions Architect

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
regulatory compliance, resiliency improvements, and platform modernization.This role requires a hands-on architect who can work effectively within complex, highly interconnected legacy systems, while driving pragmatic, incremental improvements in architecture, scalability, and operational efficiency.You will balance run and change, ensuring stability of critical platforms while enabling transformation … Glue, EKS, S3, SQS, SNS)Backend: Python, Java/C# (.NET), APIs, microservicesFrontend: AngularData: SQL Server, PostgreSQL, ETL pipelines, data lake patternsArchitecture: Event-driven systems, microservices, API-first designDevOps: CI/CD (GitHub Actions, Jenkins), Terraform, containerization (Docker/Kubernetes)Orchestration - : Airflow, Step Functions, BPM toolsObservability (desirable): GrafanaAI (desirable ...

Principal Software Architect

Hiring Organisation
SPX Corporation
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
stack • Identified gaps, risks, and constraints • Target architecture aligned to business and product direction • Migration and/or retirement proposals for legacy systems Ensure transition plans are:• Realistic and incremental • Aligned with delivery priorities • Understood by engineering and product teams 5. Cross-Domain Alignment & Delivery SupportSupport effective … looking for someone who has:Required Experience• 15+ years of experience in software engineering, with significant time in architectural roles • Proven experience designing distributed systems across cloud and application layers • Strong experience with at least one major cloud platform (Azure, AWS, or GCP), ideally across multiple • Experience integrating hardware ...

Smart Contract Developer

Hiring Organisation
Advanced Resource Managers (A.R.M.)
Location
London, United Kingdom
Salary
£ 80 K
products.Translate business requirements into scalable, maintainable product logic.Implement interest, accruals, repayments, fees, payment allocation, balances and lifecycle events.Support product migration from legacy systems to Vault.Collaborate with Product, Business Analysis, Architecture and Engineering teams.Develop automated tests covering business rules, edge cases and regression scenarios.Participate in code reviews … technical design discussions.Investigate defects and support functional, integration, migration and production testing.Validate and reconcile financial calculations between legacy systems and Vault.Support releases and produce technical documentation.Follow engineering, security, governance and regulatory standards.Essential Skills & ExperienceStrong software development experience, preferably Python.Hands-on experience with Thought Machine Vault Smart Contracts.Experience ...

Senior Product Manager - Sustainable Data Platform

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
onboarding and lifecycle of data sources, from discovery and evaluation through to production readiness Lead migration of datasets and workflows from legacy systems to strategic data platforms Partner with engineering, and operations, and commercial product teams to deliver scalable, reliable data capabilities Drive data quality, coverage … production (source evaluation, data mapping, ingestion patterns, validation rules, change management, and operational handover).Experience leading migration of datasets from legacy systems to target data platforms (e.g. cloud/data lake/warehouse), including data mapping, transformation design, reconciliation, parallel run strategies, and cutover planning to ensure ...

Software Engineering Lead

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
long-term maintainability Guide API and domain design standards - clear service boundaries, consistent contracts, and pragmatic integration between modern services and legacy systems Shape event-driven and integration patterns so teams can build independently without breaking cross-squad journeys Champion automated testing, observability, and production readiness … Oversee database and schema evolution practices - migrations, data integrity, and performance - in partnership with platform and infrastructure teams Lead incident response for backend-owned systems - triage, escalation, post-incident reviews, and runbook quality Mentor engineers on PHP (Yii/Yii2), Go, Security, Performance and Optimisation - raising the bar through ...

IT Manager (Business Applications)

Hiring Organisation
RHR
Location
London Area, United Kingdom
will lead the delivery of business-critical applications while supporting a major ERP transformation programme. You'll oversee the transition from legacy systems to a new ERP platform, ensuring business continuity throughout the migration. Managing a team of application specialists, you'll coordinate testing, training and data … applications such as ERP, WMS and OMS. You'll be a confident people leader with strong stakeholder management skills, a solid understanding of enterprise systems, integrations and data governance, and experience managing multiple projects simultaneously. Knowledge of Oracle Retail would be highly advantageous, as would experience supporting legacy ...

Data Architect

Hiring Organisation
Methods Consulting
Location
London, United Kingdom
Salary
£ 80 K
risk Communicate effectively across organisational, technical and political boundaries, making complex technical information accessible for non-technical audiences Design how to expose data from systems (APIs, real-time streams), link data from multiple systems, and deliver modern data services Ensure that risks associated with deployment are adequately understood … data solutions from requirements through implementation, including technical documentation and architecture blueprints Lead complex data migration projects from legacy systems to modern cloud-native platforms Evaluate and recommend appropriate technologies across the modern data stack to meet specific client needs Mentor junior team members and collaborate with ...

Data Architect (Fabric)

Hiring Organisation
Methods Consulting
Location
London, United Kingdom
Salary
£ 80 K
risk Communicate effectively across organisational, technical and political boundaries, making complex technical information accessible for non-technical audiences Design how to expose data from systems (APIs, real-time streams), link data from multiple systems, and deliver modern data services Ensure that risks associated with deployment are adequately understood … data solutions from requirements through implementation, including technical documentation and architecture blueprints Lead complex data migration projects from legacy systems to modern cloud-native platforms Evaluate and recommend appropriate technologies across the modern data stack to meet specific client needs Your Impact: Enable transformative business decisions through ...

Machine Learning Engineering Lead

Hiring Organisation
RELX Group
Location
Exeter, Devon, United Kingdom
Salary
£ 70 K
Engineering LeadAre you passionate about designing and deploying intelligent machine learning solutions that drive business impact Do you enjoy leading teams, building scalable ML systems, and turning complex data into innovative products and services About the team:We are a software engineering team responsible for developing and supporting business … Engineering, supporting production AI/ML, LLM/RAG, and agentic workflow capabilities for legal content products. In addition to writing code on complex systems, this position provides technical direction on architecture, MLOps, responsible AI, legacy system integration, AWS-based delivery, and AI-assisted development practices. ...

Machine Learning Engineering Lead

Hiring Organisation
Hackajob Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Lead Are you passionate about designing and deploying intelligent machine learning solutions that drive business impact? Do you enjoy leading teams, building scalable ML systems, and turning complex data into innovative products and services? About the team: We are a software engineering team responsible for developing and supporting business … Engineering, supporting production AI/ML, LLM/RAG, and agentic workflow capabilities for legal content products. In addition to writing code on complex systems, this position provides technical direction on architecture, MLOps, responsible AI, legacy system integration, AWS-based delivery, and AI-assisted development practices. ...

Transformation Project Manager

Hiring Organisation
The Travel Corporation
Location
City of London, London, United Kingdom
YOUR EXPERIENCE AND EXPERTISE Essential Experience 5+ years’ experience delivering complex technology projects within matrixed or transformation environments. Proven experience delivering enterprise platforms, reservation systems, booking systems, ERP, CRM, transactional systems or major legacy technology replacements. Experience managing projects across the full delivery lifecycle, including … discovery, design, build, integration, data migration, testing, cutover and hypercare. Strong experience managing complex integrations and dependencies across multiple systems and technology teams. Experience leading data migration activities, including planning, validation, reconciliation and cutover. Experience working in a matrixed organisational model and co-ordinating with product, engineering, architecture, data ...

Senior FX eTrading Developer - VP - London

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
solutions that benefit the businessThe role does not involve budget responsibilityDrive 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 … trading and quant teamsKey Skills and Experience requiredProven understanding of FX highly preferredUnderstanding of ultra low-latency development practicesProven track record of building new systems, replacing legacy systems and renovating existing systemsThe candidate will have systems (software, hardware, networks) knowledge required to define solutions ...

Head of Markets Finance Desk Technology (Director)

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 100 K
settlements, inventory/position management, collateral optimization, liquidity and risk management. Architecture & Design: Own the architecture and design of enterprise applications, focusing on distributed systems, and scalable solutions that adapt to changing market conditions. Ensure adherence to technical design, application development standards, and quality processes. Project & Product Delivery: Manage … operations stakeholders, and other partner technology teams to gather requirements, manage expectations, and deliver effective solutions. Identify and mitigate potential risks related to systems, processes, and regulatory compliance. System Optimization: Identify system bottlenecks and deficiencies, devising and implementing robust solutions to enhance resiliency, performance, and scalability. Provide technical consultation ...

Lead Pricing Engineer (SVP) - FX eTrading

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 120 K
greatest impact, efficient use of resource, and alignment to business structuresDrive 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 … that is seen as the engineering role model for the organizationAbility to work directly with trading and quant teamsProven track record of building new systems, replacing legacy systems and renovating existing systemsThe candidate will have a strong systems (software, hardware, networks) knowledge required to define ...

Senior II Product Engineer

Hiring Organisation
9fin
Location
London, United Kingdom
Salary
£ 80 K
category-defining platform for debt markets worldwide.We're looking for a Senior II Product Engineer to take broad technical ownership of the backend systems powering 9fin's platform.You will sit between our Senior and Staff engineering tracks. You will own meaningful systems end to end, lead multi sprint … financial and legal domain experts.This role suits someone who has already grown beyond a typical senior remit. You enjoy diving into distributed systems problems, and you have firsthand experience scaling services under real production load.What you'll doOwn the design and delivery of significant backend systems and services ...

Senior Technology Architect Databricks

Hiring Organisation
Infosys Technologies
Location
London, United Kingdom
Salary
£ 80 K
design, build, and operate scalable data pipelines and data products, enabling a modern data mesh architecture. The role focuses on integrating legacy systems with cloud-native platforms to support analytics, reporting, and domain-owned data products.Primary Skills• Strong experience with Databricks (Spark, PySpark/SQL) and data … data engineering best practices.Key Responsibilities• Build and maintain batch and streaming data pipelines from legacy mainframe DB2 and on prem SQL Server systems into an AWS-based data lake.• Implement real-time ingestion using Confluent Kafka and land data in Amazon S3.• Develop data transformations and analytics ...

OSM Migration Service Lead

Hiring Organisation
Hackajob Ltd
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
engineering and technology sector. We deliver enterprise technology solutions that help government agencies, defence organisations and commercial entities modernise operations, migrate legacy systems, and transform service delivery. About the Role The OSM Migration Service Lead is a senior technical leadership position responsible for designing, planning, executing … services with business objectives and contractual obligations. Technical Architecture & Design Design target-state operational architectures incorporating modern IT infrastructure, cloud services and integrated systems Evaluate migration approaches (phased, big-bang, hybrid) and recommend optimal strategies based on risk, timeline and cost factors Ensure migrated services meet security requirements including ...