101 to 125 of 258 Legacy Systems Jobs in England

Cloud Integration (CPI), API Management, and Event Mesh. * Developing iFlows to support vital government processes, connecting SAP S/4HANA with legacy systems, HMRC APIs, and other public-sector platforms. * Ensuring all integrations meet high standards of reliability, security, and maintainability. * Working within an Agile team, participating … experience with message mapping. * Familiarity with Agile methodologies and CI/CD pipelines. * Ability to produce comprehensive technical documentation. * Experience working with government systems such as HMRC, DWP, or HMPPS is highly desirable. * Eligibility for Security Check (SC) clearance; active SC preferred. * Right to work in the UK. ...

scale. This means designing secure, cloud native platforms across AWS, building out multi account landing zones, scaling Kubernetes environments and modernising legacy systems into microservices architectures that are built to last. You’ll be able to shape platform strategy, set standards across security, reliability, CI/… Grafana, OpenTelemetry Platform thinking – internal developer platforms, self service tooling Leadership – mentoring engineers and influencing technical direction In return, you’ll work on meaningful systems, lead strong engineering teams, and shape how modern platforms are delivered at scale, all while continuing to grow your own skill set. ...

platform from the ground up. We’re working with a business in the middle of a high-impact data transformation—moving away from legacy constraints towards a scalable, cloud-first architecture. They’re looking for a Principal Data Engineer to take a leading role in that journey. This … 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 ...

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 ...

Application Include a cover letter (300–400 words) covering: A production system you have owned end-to-end Your experience modernising legacy systems or untangling complex business logic How you have used AI tools in the SDLC — what worked, what didn't, what you learned Why this ...

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 ...

products for every occasion. The Role My client are going through an enterprise-wide modernisation which will include the upgrading of legacy systems, re-platforming their ecommerce solution, the implementation of a new CRM & marketing solutions and other customer engagement technologies. Key Responsibilities Architecture Leadership : Define ...

enterprise architecture strategy for a large-scale transformation of customer, billing and revenue platforms Lead the move away from legacy systems into a modern, cloud-first environment that improves performance, scalability, and customer experience Define the target architecture and set a clear, deliverable roadmap from current state ...

pain points Translate problems into data-driven workflows, working with engineers to extract and structure data from equipment and legacy systems Work with customers, from the C-Suite to operators on the line, to build bespoke applications Lead training sessions to ensure the deployed applications serve their ...

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 ...

testing across thier internal legacy .NET application. This is an initial 3-month contract focused on maintaining quality and stability across existing systems during ongoing change and maintenance activity. Responsibilities: Manual testing of legacy .NET applications Creation and execution of test cases, test scenarios … software development lifecycle and testing methodologies Experience using defect tracking and test management tools Experience identifying and validating application vulnerabilities within legacy systems Supporting vulnerability assessments and working with development teams to verify findings Tracking, retesting, and validating remediation activities to ensure issues are fully resolved Collaborating ...

testing across thier internal legacy .NET application. This is an initial 3-month contract focused on maintaining quality and stability across existing systems during ongoing change and maintenance activity. Responsibilities: Manual testing of legacy .NET applications Creation and execution of test cases, test scenarios … software development lifecycle and testing methodologies Experience using defect tracking and test management tools Experience identifying and validating application vulnerabilities within legacy systems Supporting vulnerability assessments and working with development teams to verify findings Tracking, retesting, and validating remediation activities to ensure issues are fully resolved Collaborating ...

role in supporting the onboarding of newly acquired businesses into our core systems. This role focuses on delivering accurate and efficient data migrations, ensuring systems and data are aligned to support the continued growth and integration of our business. If you enjoy working hands-on with data, solving complex … doing Leading and executing data migration activities for newly acquired businesses, ensuring accuracy and completeness across all datasets Extracting data from legacy systems, cleansing and transforming it, and preparing it for migration into SimPro and connected platforms Performing data mapping between source and target systems, ensuring ...

used in demanding industrial environments, working with C#, WPF, front-end languages such as Vue.JS, Angular or React. You will collaborate with electrical and systems engineers, contribute to system architecture and support both new platform development and legacy product improvement. This role offers strong technical variety, career … supportive engineering culture. You should bring solid commercial experience, excellent understanding of SOLID principles, and confidence contributing to design discussions. Exposure to industrial systems or electronics is beneficial. This role is ideal for someone who enjoys autonomy: you will be given open technical problems, trusted to investigate and propose ...

data into the Cezanne HR system Cleanse, validate, and reconcile data to ensure accuracy and integrity Map data fields between legacy systems and Cezanne HR Work closely with HR and project stakeholders during the implementation phase Identify and resolve data discrepancies and issues Support testing and system … live activities Document processes and provide guidance to internal teams Requirements: Proven experience in data migration, ideally within HR systems Experience with Cezanne HR (highly desirable) or similar HRIS platforms Strong data analysis and problem-solving skills High attention to detail and accuracy Ability to work independently and manage ...

Product Manager – Digital & Asset Systems The Opportunity A leading organisation is delivering a major long-term infrastructure and sustainability programme. We’re looking for a Product Manager to take ownership of critical digital and data systems that support complex assets, large-scale projects, and multi-organisation collaboration. This … that enable efficiency, compliance, and smarter decision-making. What You’ll Be Doing Manage digital products spanning asset management, GIS, and programme/project systems . Shape and deliver a multi-year roadmap that aligns multiple stakeholders under one data strategy. Lead upgrades, migrations, and integrations of legacy ...

Developer to join our small but growing team in progressing the development of our bespoke software, and supporting the migration of legacy systems to the new architecture. As a key member of our team the Software Developer will play a pivotal role in shaping the platform … services that support a suite of mobile and web applications. Your responsibilities will include designing and developing robust, scalable, and secure backend systems, providing technical expertise across multiple squads as well as defining and enforcing the standards that ensure their integrity and compliance. Software Developer - Required Skills and Experience ...

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 … 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 ...

across technical and non-technical stakeholders; communicate trade-offs transparently. Champion product-led and user informed, iterative ways of working in a complex, legacy/brownfield environment. Manage the full product lifecycle, from initial discovery and business case development through to operational support and eventual retirement. … effort or cost-of-delay approaches. Confident working with cross-disciplinary teams and senior technical stakeholders. Comfortable operating in environments with legacy systems, competing priorities and incomplete information. Excellent communicator, can translate complex technical issues into clear decisions and trade-offs. ...

Description: The programme represents the next generation of the UKs biometric capability replacing and integrating with legacy systems and other government departments As a Java L3 resource you will be responsible for triaging and resoling production issues on priority and solving complex technical support challenges, troubleshooting, debugging … services (EC2, ECS, EKS, API Gateway and Serverless technologies) Integration Engine tools: Apache Camel and Active MQ for messaging, web services and distributed systems Public Sector domain experience preferable ...

Azure to turn complex data into clear, actionable business insight? This company is a digital transformation company specialising in bespoke software development, legacy system support, and enterprise applications for a diverse range of clients. In this role, you will design, build and maintain resilient data platforms using bronze ...

using Terraform to manage scalable infrastructure. Operating within Cloud (Azure/AWS/GCP) design patterns, the Data Platform Engineer will support both legacy and modern systems. This is a fantastic opportunity for a Data Platform Engineer to join a collaborative and forward-thinking environment where innovation ...

shaping system architecture, driving best practice, and developing robust, maintainable solutions that are relied upon by customers worldwide. You will work closely with electrical, systems, and test engineers to deliver integrated solutions, contributing across the full lifecycle from concept and design through to delivery and long term support. Backed … software architecture and design, ensuring scalable and maintainable solutions Contribute to microservice architecture and Azure based modernisation initiatives Maintain and evolve legacy systems while planning for their future development Collaborate with multidisciplinary engineering teams in an agile environment Participate in code reviews, sprint planning, and CI/ ...

single specialization (T-shaped skillset) — preferred but not strictly mandatory. - Experience integrating front-end applications with APIs and backend services. - Solid understanding of distributed systems and cloud environments (AWS preferred). - Familiarity with CI/CD pipelines, automated testing, and modern delivery practices. - Experience with performance optimisation, debugging … observability tools. - Exposure to legacy systems and modernisation projects is advantageous. - Knowledge of secure coding practices and common security standards. - Experience mentoring engineers or influencing technical decisions is beneficial but not mandatory. ...

single specialization (T-shaped skillset) — preferred but not strictly mandatory. - Experience integrating front-end applications with APIs and backend services. - Solid understanding of distributed systems and cloud environments (AWS preferred). - Familiarity with CI/CD pipelines, automated testing, and modern delivery practices. - Experience with performance optimisation, debugging … observability tools. - Exposure to legacy systems and modernisation projects is advantageous. - Knowledge of secure coding practices and common security standards. - Experience mentoring engineers or influencing technical decisions is beneficial but not mandatory. ...