Legacy Systems Jobs in England

151 to 175 of 277 Legacy Systems Jobs in England

Lead Presales Solutions Architect

slough, south east england, united kingdom
Hybrid / WFH Options
Anson McCade
Pre-Sales Solution Architect – Legacy Modernisation Hybrid – UK London £100,000 – £130,000 + package 🚀 Shape the next era of enterprise software modernisation. We’re partnering with a major global technology consultancy that’s redefining how large organisations modernise and rebuild their software estates. They’re looking for a technically credible, commercially minded Pre-Sales Solution Architect — someone … engineering knowledge with the ability to craft compelling modernisation solutions for complex clients. You’ll sit at the intersection of technology, sales and strategy — helping enterprise customers escape legacy constraints, adopt modern architectures, and embed AI into every stage of their software delivery lifecycle. 🔧 What you’ll be doing Partner with senior sales and delivery teams to scope … large, multi-service transformation bids (£5m+) , ensuring each proposal is both technically robust and commercially sound. Translate complex client estates into clear modernisation roadmaps — from monolithic legacy systems to cloud-native, modular, AI-augmented architectures . Champion the use of AI within the SDLC , leading technical demos and developing go-to-market offerings around intelligent automation, testing More ❯
Posted:

Security Cleared Site Reliability Engineer

West Midlands, United Kingdom
Damia Group Ltd
Reliability Engineer - Contract Outside IR35 - 3 months+ -Hybrid We are seeking a Lead Operations/Site Reliability Engineer to take ownership of day-to-day operations across a legacy technology estate. The role will focus on maintaining service stability, ensuring operational readiness, and leading the response to incidents and outages. The Lead Operations/Site Reliability Engineer will … phase by embedding operational standards, improving monitoring and support processes, and enabling knowledge transfer into ongoing service delivery teams. Key Responsibilities: Lead daily operational support of legacy systems, ensuring availability, performance, and resilience. Manage incident, problem, and change activities in line with ITIL and enterprise service standards. Proactively monitor and tune infrastructure, applications, messaging, and scheduling platforms. … ordination, triage and joint working is essential for operational activities. Familiarity with ITIL-aligned service management . Building KT libraries Previous involvement in system migrations, re-platforming, or legacy modernisation programmes highly desirable. Background in high-availability, disaster recovery, and enterprise integration patterns. Damia Group Limited acts as an employment agency for permanent recruitment and employment business for More ❯
Employment Type: Contract
Rate: £550 - £585/day
Posted:

Graduate Software Engineer / Quantitative Developer / Quantitative Researcher - Up to £170,000 + Bonus + Package

London Area, United Kingdom
Hybrid / WFH Options
Hunter Bond
Career! Just graduated and ready to launch your career in high-performance technology and quantitative finance? Join a leading global trading firm where innovation rules — no legacy systems, no bureaucracy, just a fast-paced, intellectually challenging environment built for growth. With unlimited access to cutting-edge tech and mentorship from world-class engineers and quants, you’ll … work on impactful projects that help shape the future of trading. What You’ll Do 🧠 Build and enhance advanced trading systems and infrastructure 📊 Design and implement your own quantitative models 🤝 Collaborate closely with top engineers, quants, and researchers on complex problems 🚀 Rapidly learn and develop your skills in a culture that rewards initiative What You’ll Bring 🎓 Degree in More ❯
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Graduate Software Engineer / Quantitative Developer / Quantitative Researcher - Up to £170,000 + Bonus + Package

City of London, London, United Kingdom
Hybrid / WFH Options
Hunter Bond
Career! Just graduated and ready to launch your career in high-performance technology and quantitative finance? Join a leading global trading firm where innovation rules — no legacy systems, no bureaucracy, just a fast-paced, intellectually challenging environment built for growth. With unlimited access to cutting-edge tech and mentorship from world-class engineers and quants, you’ll … work on impactful projects that help shape the future of trading. What You’ll Do 🧠 Build and enhance advanced trading systems and infrastructure 📊 Design and implement your own quantitative models 🤝 Collaborate closely with top engineers, quants, and researchers on complex problems 🚀 Rapidly learn and develop your skills in a culture that rewards initiative What You’ll Bring 🎓 Degree in More ❯
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Graduate Software Engineer / Quantitative Developer / Quantitative Researcher - Up to £170,000 + Bonus + Package

london, south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
Career! Just graduated and ready to launch your career in high-performance technology and quantitative finance? Join a leading global trading firm where innovation rules — no legacy systems, no bureaucracy, just a fast-paced, intellectually challenging environment built for growth. With unlimited access to cutting-edge tech and mentorship from world-class engineers and quants, you’ll … work on impactful projects that help shape the future of trading. What You’ll Do 🧠 Build and enhance advanced trading systems and infrastructure 📊 Design and implement your own quantitative models 🤝 Collaborate closely with top engineers, quants, and researchers on complex problems 🚀 Rapidly learn and develop your skills in a culture that rewards initiative What You’ll Bring 🎓 Degree in More ❯
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Graduate Software Engineer / Quantitative Developer / Quantitative Researcher - Up to £170,000 + Bonus + Package

slough, south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
Career! Just graduated and ready to launch your career in high-performance technology and quantitative finance? Join a leading global trading firm where innovation rules — no legacy systems, no bureaucracy, just a fast-paced, intellectually challenging environment built for growth. With unlimited access to cutting-edge tech and mentorship from world-class engineers and quants, you’ll … work on impactful projects that help shape the future of trading. What You’ll Do 🧠 Build and enhance advanced trading systems and infrastructure 📊 Design and implement your own quantitative models 🤝 Collaborate closely with top engineers, quants, and researchers on complex problems 🚀 Rapidly learn and develop your skills in a culture that rewards initiative What You’ll Bring 🎓 Degree in More ❯
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Graduate Software Engineer / Quantitative Developer / Quantitative Researcher - Up to £170,000 + Bonus + Package

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
Career! Just graduated and ready to launch your career in high-performance technology and quantitative finance? Join a leading global trading firm where innovation rules — no legacy systems, no bureaucracy, just a fast-paced, intellectually challenging environment built for growth. With unlimited access to cutting-edge tech and mentorship from world-class engineers and quants, you’ll … work on impactful projects that help shape the future of trading. What You’ll Do 🧠 Build and enhance advanced trading systems and infrastructure 📊 Design and implement your own quantitative models 🤝 Collaborate closely with top engineers, quants, and researchers on complex problems 🚀 Rapidly learn and develop your skills in a culture that rewards initiative What You’ll Bring 🎓 Degree in More ❯
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Software Engineer II

london, south east england, united kingdom
Hybrid / WFH Options
Mimecast
Software Engineer II Why Join Us? Are you passionate about building robust, scalable systems that make a real impact? At Governance, Compliance & Insights, you'll join a collaborative team tackling the unique challenges of enterprise data protection. Here, your ideas matter, your code shapes the future, and your work directly improves how global businesses safeguard their most valuable assets. … Build: Design, develop, and maintain modern Java-based services with Angular or React front ends, powering mission-critical enterprise solutions. Modernize & Innovate: Lead the transformation of legacy systems—improving reliability, scalability, and observability using the latest cloud-native technologies. Own the Cloud: Build and operate Java services (Java 11+), leveraging Docker, Kubernetes/EKS, and AWS to … with AWS (IAM, S3, DynamoDB, VPC, ECS/EKS, SQS), Docker, Kubernetes, and CI/CD pipelines (Jenkins, Git, Terraform/CloudFormation). Production Experience: Comfortable maintaining large distributed systems in live environments. Knowledge in CI/CD pipelines using tools like Jenkins, ensuring efficient delivery of high-quality software. Database knowledge, including experience with relational and NoSQL databases. More ❯
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Cloud & Infrastructure Architect

East Midlands, United Kingdom
Hybrid / WFH Options
Keystream Group Limited
pivotal role in shaping its hybrid cloud future. Youll lead the design and development of infrastructure solutions that seamlessly connect on-premise and cloud technologies, helping to modernise core systems and drive the adoption of scalable, secure, and sustainable digital platforms. This is an exciting opportunity to influence strategy at an early stage of the universitys cloud adoption journey … create future-ready solutions that enhance performance, security, and service delivery. Key Responsibilities Architect and deliver secure, scalable hybrid infrastructure solutions integrating cloud, on-premise, and legacy systems Assess and document existing infrastructure to inform long-term migration and optimisation roadmaps Embed security by design principles into all infrastructure planning and delivery Advise leadership on hybrid cloud More ❯
Employment Type: Permanent
Salary: £55,000
Posted:

Acturis Business Analyst Insurance

England, Abbots Langley, Hertfordshire
Hybrid / WFH Options
Huxley
Acturis Business Analyst Insurance This is a new and exclusive role for a Acturis Business Systems Analyst to join my thriving Insurance client based in Glasgow city centre as they expand their acturis projects team. Role details Title- Acturis Business Systems Analyst Employer: Insurance Location: Anywhere in the UK and home working hybrid (this insurance business has over … so as long as you can get to one office one day of the week, you are fully flexible hybrid working) Permanent role £40-45,000 Overview: The Business Systems Migration Analyst is tasked with managing and executing data migration workstreams within the Acturis insurance software platform. This role is crucial in ensuring the accurate and efficient transfer of … data from legacy systems to Acturis, while maintaining data integrity throughout the process. In this role you will support the overall implementation process, playing a key role in the successful transition to the Acturis platform. If you have a keen eye for detail and are skilled in data migration, we encourage you to apply. What we are More ❯
Employment Type: Permanent
Salary: £30,000 - £50,000
Posted:

Technical Architect

England, United Kingdom
Hybrid / WFH Options
Alexander Mann Solutions - Public Sector Resourcing
is a strategic transformation initiative aimed at simplifying and unifying benefit-related services into a single, user-centred model. It operates within a complex ecosystem of Legacy systems, evolving policy frameworks, and cross-cutting digital platforms such as Customer Account and Colleague View. Architects are critical to this transformation, ensuring that technical solutions are scalable, secure, and … to support the service. . Understanding data quality standards that need to be applied. . Creating a metadata capability. Answering questions such as: How can we interface with Legacy untrusted data? How can we minimise the manual processing of data and impact on agents? How can we verify information via other government departments and third parties? Ensuring we More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Product Owner

london, south east england, united kingdom
Arthur Recruitment
ownership of your technical products – a mix of bespoke builds and third-party solutions. Oversee the execution of data initiatives , ensuring accurate integration, transformation, and flow of data across systems, while aligning technical delivery with business priorities and regulatory requirements. Contribute to aligning delivery with overall business goals, helping drive growth, process efficiencies, and digital transformation. Play a central … maturity across the organisation, holding technology teams accountable for delivery. Partner closely with the Head of Technology on technical decisions and data strategy. Influence decisions around legacy systems, streamline processes in collaboration with Technology, and contribute to global transformation initiatives. Required Skills & Expertise: Minimum of 5 years’ experience in a Product Owner or Technical Business Analyst role More ❯
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Product Owner

london (city of london), south east england, united kingdom
Arthur Recruitment
ownership of your technical products – a mix of bespoke builds and third-party solutions. Oversee the execution of data initiatives , ensuring accurate integration, transformation, and flow of data across systems, while aligning technical delivery with business priorities and regulatory requirements. Contribute to aligning delivery with overall business goals, helping drive growth, process efficiencies, and digital transformation. Play a central … maturity across the organisation, holding technology teams accountable for delivery. Partner closely with the Head of Technology on technical decisions and data strategy. Influence decisions around legacy systems, streamline processes in collaboration with Technology, and contribute to global transformation initiatives. Required Skills & Expertise: Minimum of 5 years’ experience in a Product Owner or Technical Business Analyst role More ❯
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Enterprise Data Architect

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
iDPP
that meet the complex data needs of major infrastructure projects. Youll translate business requirements into clear, scalable information structures and contribute to our clients wider enterprise information model ensuring systems, data, and people work seamlessly together. What Youll Be Doing Develop and maintain high-level information architectures . Collaborate with business, IT, and digital teams to define data and … such as Entity Relationship Modelling, Archimate, or UML . Strong understanding of architecture and data frameworks (e.g., TOGAF, DAMA). Familiarity with large-scale enterprise and legacy systems . Excellent communication and stakeholder management skills able to influence across all levels. Ability to work on multiple complex projects with cross-functional teams. Experience within energy, utilities or More ❯
Employment Type: Contract, Work From Home
Rate: From £530 to £550 per day Outside IR35
Posted:

Senior Software Engineer

South West, United Kingdom
Hybrid / WFH Options
Sanderson Recruitment
lifecycle of software development; from small front-end changes to developing APIs supporting new functionality across multiple platforms. You will have the opportunity to shape and deliver large-scale systems projects, working in an agile environment that values collaboration, rapid learning, and the continuous delivery of valuable software. Key Responsibilities: Write high-quality code adhering to team and regulatory … and high-performance web applications. Proficient in PHP, with experience in a LAMP (Linux/Apache/MariaDB/PHP) environment considered advantageous. Experience in migrating legacy systems to modern architectures and frameworks. Solid understanding of RESTful API development, web application design patterns, and secure coding practices. Familiarity with CI/CD pipelines, automated testing, and integration More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Data Lead - SuccessFactors

London, South East, England, United Kingdom
Hybrid / WFH Options
Picture More
subsidies, and a wide range of wellbeing perks. What you’ll be doing: Define and implement HR data strategy and governance frameworks. Lead data migration from legacy systems to a new HR SaaS platform. Ensure data quality, accuracy, and GDPR compliance. Partner with HR and BI teams to deliver insights, dashboards, and analytics capabilities. Train and support More ❯
Employment Type: Temporary
Salary: £85,000 - £90,000 per annum
Posted:

Head of Cloud Services

London, South East, England, United Kingdom
CODEVERSE LIMITED
its digital services for clients. Your expertise in Kubernetes, cloud-native development, and secure, scalable infrastructure will be critical. You will lead the charge in modernizing legacy systems and building resilient, future-proof platforms. This role is for a technical leader who is currently a Cloud Team Lead, Manager, or a Principal Engineer ready to step into More ❯
Employment Type: Full-Time
Salary: £95,000 - £145,000 per annum
Posted:

Data Engineering Manager

London Area, United Kingdom
Hybrid / WFH Options
Travelex
in collaboration with the teams. Technical Leadership Own the architecture of the company's data platform, ensuring scalability, reliability, and security. Drive modernisation by transitioning from legacy systems to a lean, scalable platform. Act as a lead expert for technologies such as AWS, DBT, Airflow, and Databricks. Establish best practices for data modelling, ingestion, storage, streaming, and More ❯
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Data Engineering Manager

City of London, London, United Kingdom
Hybrid / WFH Options
Travelex
in collaboration with the teams. Technical Leadership Own the architecture of the company's data platform, ensuring scalability, reliability, and security. Drive modernisation by transitioning from legacy systems to a lean, scalable platform. Act as a lead expert for technologies such as AWS, DBT, Airflow, and Databricks. Establish best practices for data modelling, ingestion, storage, streaming, and More ❯
Posted:

Data Engineering Manager

london, south east england, united kingdom
Hybrid / WFH Options
Travelex
in collaboration with the teams. Technical Leadership Own the architecture of the company's data platform, ensuring scalability, reliability, and security. Drive modernisation by transitioning from legacy systems to a lean, scalable platform. Act as a lead expert for technologies such as AWS, DBT, Airflow, and Databricks. Establish best practices for data modelling, ingestion, storage, streaming, and More ❯
Posted:

Data Engineering Manager

slough, south east england, united kingdom
Hybrid / WFH Options
Travelex
in collaboration with the teams. Technical Leadership Own the architecture of the company's data platform, ensuring scalability, reliability, and security. Drive modernisation by transitioning from legacy systems to a lean, scalable platform. Act as a lead expert for technologies such as AWS, DBT, Airflow, and Databricks. Establish best practices for data modelling, ingestion, storage, streaming, and More ❯
Posted:

Data Engineering Manager

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Travelex
in collaboration with the teams. Technical Leadership Own the architecture of the company's data platform, ensuring scalability, reliability, and security. Drive modernisation by transitioning from legacy systems to a lean, scalable platform. Act as a lead expert for technologies such as AWS, DBT, Airflow, and Databricks. Establish best practices for data modelling, ingestion, storage, streaming, and More ❯
Posted:

Data Engineer D365 ERP

Wakefield, West Yorkshire, England, United Kingdom
Futures
supporting the successful implementation and ongoing operation of Microsoft Dynamics 365 Finance & Operations (D365 F\&O). You'll be responsible for migrating manufacturing-related data from a legacy system, ensuring its accuracy, and maintaining high-quality master data to support production processes. Data Engineer - Key Responsibilities - D365, F&O, ERP, IT, Manufacturing Cleanse and migrate manufacturing data More ❯
Employment Type: Full-Time
Salary: £45,000 - £55,000 per annum
Posted:

Business Architect

london, south east england, united kingdom
Synapri
target operating model (TOM) and associated Capability Architecture. This position will also have a focus on aligning business processes and capabilities to enable the replacement of legacy systems and support a wider business transformation, defining architectural principles and supporting the business case for the ERM/ERP programme. For this role you must have experience in providing More ❯
Posted:

Business Architect

london (city of london), south east england, united kingdom
Synapri
target operating model (TOM) and associated Capability Architecture. This position will also have a focus on aligning business processes and capabilities to enable the replacement of legacy systems and support a wider business transformation, defining architectural principles and supporting the business case for the ERM/ERP programme. For this role you must have experience in providing More ❯
Posted:
Legacy Systems
England
10th Percentile
£47,125
25th Percentile
£55,750
Median
£67,500
75th Percentile
£83,750
90th Percentile
£96,625