1 to 25 of 65 Legacy Applications Jobs in England

effective automated test suites, remediating security vulnerabilities, performing dependency and reachability analysis, upgrading Java and NPM runtimes, modernizing Spring and legacy middleware applications, improving CI/CD pipelines, containerizing applications, automating deployments, and introducing standard observability and resilience patterns. The Expert FDE is expected to lead … operating systems to supported versions. Establish sustainable dependency-management processes with continuous library updates using Renovate or equivalent tools. Modernize legacy applications and middleware stacks, including those deployed on WebSphere or WebLogic. Containerize applications using Docker and support deployment to OpenShift. Improve source control, branch management ...

effective automated test suites, remediating security vulnerabilities, performing dependency and reachability analysis, upgrading Java and NPM runtimes, modernizing Spring and legacy middleware applications, improving CI/CD pipelines, containerizing applications, automating deployments, and introducing standard observability and resilience patterns.The Expert FDE is expected to lead complex … operating systems to supported versions.- Establish sustainable dependency-management processes with continuous library updates using Renovate or equivalent tools.- Modernize legacy applications and middleware stacks, including those deployed on WebSphere or WebLogic.- Containerize applications using Docker and support deployment to OpenShift.- Improve source control, branch management ...

security and IP protection, and measure the impact on delivery speed and quality. Cloud-native modernisation: Guide the move of legacy applications to Azure Container Apps. Build reusable reference implementations covering health checks, secret management (Azure Key Vault), stateless design and containerisation best practices. Mentorship: Coach junior … Ideal Candidate Significant experience in software engineering, with substantial production experience in Java and Spring Boot and in microservices architecture. Proven experience designing applications at component and code level, and documenting them (C4 model, LLD, ADRs). Experience building applications on Azure (e.g. Key Vault, Storage, Service ...

deployment time and manual effort. Partner closely with software engineers to improve developer workflows and delivery practices. Support the modernization of legacy applications into cloud-native AWS services. Implement and maintain Infrastructure as Code using Ansible, CloudFormation, or similar tools. Monitor platform health, troubleshoot production issues … Experience with AWS services such as S3, Systems Manager (SSM), and AppStream. Familiarity with .NET/C# development environments. Experience modernizing legacy applications to cloud-native architectures. Experience supporting security, compliance, and vulnerability remediation initiatives. ...

responsible for developing and supporting business-critical platforms used to create, manage, publish, and analyse legal and regulatory content. Our work spans modern web applications, cloud services, content migration programmes, publishing platforms, reporting solutions, and operational tooling. We partner with editorial, product, and technology stakeholders to deliver high-quality … processes that are reliable, traceable, and governed. Integrate AI/ML capabilities with enterprise systems, APIs, databases, data platforms, content repositories, legacy applications, internal services, and AWS-hosted services. Establish evaluation and quality controls for accuracy, groundedness, citation quality, hallucination risk, agent task success, latency, cost, reliability ...

adoption portal, they will rely heavily on your guidance. You will define and implement Azure and GCP architectures, support migration of legacy applications, modernise core banking platforms, and ensure cloud solutions meet regulatory, operational, and security requirements. Key Responsibilities Cloud Strategy & Architecture Define target architectures for cloud … standards. Align cloud platform capabilities with business, regulatory, and operational needs. Provide architectural leadership across transformation programmes. Application Modernisation Assess legacy applications and define migration strategies: Rehost Replatform Refactor Cloud‐native transformation Support adoption of PaaS/SaaS aligned with the target operating model. Partner with engineering ...

Working within a predominantly Microsoft technology environment, you will play a key role in defining solution architecture, supporting the migration of legacy applications, and ensuring scalable, future-proof solutions are delivered across the business. Experience with Microsoft Dynamics is highly desirable, alongside broader knowledge of the Microsoft … modernisation initiatives. Produce high-level and low-level solution designs to support business and technical requirements. Support the migration of legacy applications and platforms to modern cloud-based solutions. Ensure solutions align with architectural standards, security requirements, and business objectives. Collaborate closely with business stakeholders, delivery teams ...

Working within a predominantly Microsoft technology environment, you will play a key role in defining solution architecture, supporting the migration of legacy applications, and ensuring scalable, future-proof solutions are delivered across the business. Experience with Microsoft Dynamics is highly desirable, alongside broader knowledge of the Microsoft … modernisation initiatives. Produce high-level and low-level solution designs to support business and technical requirements. Support the migration of legacy applications and platforms to modern cloud-based solutions. Ensure solutions align with architectural standards, security requirements, and business objectives. Collaborate closely with business stakeholders, delivery teams ...

fast-moving environment. What You Will Be Doing: Deliver enhancements and new capability across a high-impact trading technology platform Design and build scalable applications, services and APIs using modern .NET technologies Contribute to architectural decisions and longer-term technology strategy Drive improvements around automation, resilience, performance and operational … efficiency Partner closely with engineering and business stakeholders to translate requirements into practical solutions Support the migration of legacy applications towards modern cloud-native architectures What You Bring: Strong software engineering capability across C# and .NET Experience working with relational databases such as Oracle, SQL Server ...

remain highly available and resilient. Champion automation-first practices across CI/CD pipelines and DevOps toolchains. Support the migration of legacy applications into modern cloud environments. Collaborate within agile (Scrum/Kanban) teams to embed Continuous Integration and Continuous Deployment as standard practice. What … Looking For Active SC Clearance - mandatory for this role. Demonstrable experience developing and supporting AWS cloud-based applications (using EC2 and ECS ). Demonstrable knowledge of writing and maintaining Infrastructure as Code and Configuration as Code ( Terraform and Ansible ). Demonstrable experience using Unix/Linux/Windows ...

Management: Provision, configure, and maintain stable development, staging, and production environments. Legacy Migration: Support the modernization and migration of legacy applications into secure cloud environments. Standards and Security: Ensure all platforms, configurations, and deployment strategies align strictly with DDaT and government security standards. Required Experience … Valid SC Clearance is essential due to the nature of the project environment. AWS Cloud Engineering: Demonstrable experience developing and supporting AWS cloud-based applications, with specific hands-on expertise using EC2 and ECS . Infrastructure and Configuration as Code: Strong experience writing, modularizing, and maintaining code using Terraform ...

fast-paced environment and engaging with stakeholders across the business. Outline of responsibilities/duties: Software Development Design, develop, test and maintain modern business applications and enterprise software Develop secure and scalable applications using C# and .NET Develop REST APIs and system integrations connecting internal and third-party … application architecture and technical design Support software deployments through Azure DevOps and CI/CD pipelines Business Systems & Platforms Develop and enhance business applications across the Microsoft ecosystem Design scalable Dataverse solutions Develop custom business logic and integrations Build reusable software components Improve existing applications through refactoring ...

advantageous Predominately remote 6 month contract, scope to extend Overview We are looking for an Infrastructure Engineer to support a large-scale programme moving applications and services from legacy into cloud and managed hosting environments. The work is hands-on and delivery focused, with an emphasis … role rather than a cloud transformation position, with engineers working within established migration approaches and patterns. What You'll Do Support the migration of applications and services from legacy applications into target hosting environments. Apply established migration approaches and patterns to individual services. Support service discovery ...

based Messaging. Experience on an recent BizTalk versions including 2013. Strong knowledge of integration patterns specially in integrating Portals/SSO, legacy applications, B2B Applications, external partners using BizTalk. Strong command on various BizTalk components like BRE and BAM and should have expertise in developing custom ...

teams - Set architectural direction for API-first design, system integration, and platform enablement for AI - Lead the evolution of legacy or existing applications towards modern, service-based and API-driven architectures - Define and guide integration patterns between applications, platforms, and AI services - Make informed decisions … code, testing, and maintainability - Strong experience designing and delivering API-driven and microservice-based systems - Proven ability to modernise or integrate legacy applications into modern software and platform architectures - Solid development experience in TypeScript and Python - Experience working across software delivery, infrastructure, CI/CD, and operational ...

team at Amazon Web Services (AWS). In this role, you’ll work closely with customers to design, develop, implement and re-engineer applications to fully leverage the AWS Cloud, including GenAI-accelerated modernization techniques. You’ll be a key leader in driving customer success through their cloud journey … scalable, and secure solutions tailored to meet the specific needs of each customer. You’ll work closely with stakeholders to gather requirements, assess current applications, and propose effective migration strategies to AWS. As trusted advisors to our customers, providing guidance on industry trends, emerging technologies, and innovative solutions ...

will invest into your professional training, and allow you to grow your professional career. Responsibilities This initiative focuses on:- Upgrading legacy applications to modern Spring Boot versions (2.x → 3.x)- Decommissioning and replacing Hazelcast across distributed systems- Refactoring applications to align with modern, cloud-ready, stateless architectures … Enhancing integration with event-driven systems using Apache Kafka- Supporting applications connected to Murex batch and real-time processing flowsThis is a high-impact program in a low-latency financial environment, where system stability, performance, and correctness are critical.We are seeking a Java developer who can design and build ...

tools across the software development lifecycle Establishing governance processes to ensure architectural consistency and quality Supporting the migration and modernisation of legacy applications into cloud-native environments Developing reusable reference architectures and engineering patterns Mentoring developers and fostering a culture of technical excellence and continuous improvement Working … strong software engineering background and a passion for improving development practices. We're looking for candidates with: Significant experience designing and delivering enterprise applications Strong hands-on expertise in Java and Spring Boot development Proven experience designing microservices-based architectures Experience creating component-level designs, Low-Level Designs (LLDs ...

technology solutions. Microsoft Dynamics 365 Architect solutions involving Microsoft Dynamics 365 and its integration with wider enterprise platforms. Design integration across Dynamics 365, enterprise applications, data platforms, digital channels and legacy systems. Ensure solutions align with enterprise architecture principles and technology standards. End-to-End Solution Design … Develop end-to-end architectures covering applications, integrations, data, security, resilience and operational requirements. Understand business requirements and translate them into coherent solution architectures. Define architectural principles, constraints, dependencies and non-functional requirements. Solution Options & Decision Making Produce and present Solution Options Papers . Evaluate technology, business, commercial, delivery ...

contract is 6 months . The pay rate on offer £650 - £685 per day (via Umbrella agency) . Role and responsibility Develop cloud-native applications using Azure App Services, Functions, and Logic Apps. Refactor and re-platform legacy applications for Azure. Collaborate with architects and DevOps … integrate third-party services using Azure API Management. Write clean, maintainable, and scalable code adhering to best practices. Troubleshoot and debug issues in cloud applications and services. Key skills and experience Solid experience with Azure PaaS offerings, including App Services, Functions, and Logic Apps. Proficiency in C#, .NET ...

across both backend and frontend technologies. You'll play a key role in helping modernise existing systems, supporting the migration of legacy applications, and contributing to the development of new enterprise‐scale platforms and web applications. Hull (office-based with flexibility for hybrid working) Free on-site … searching for a Senior Full Stack Engineer to join a growing internal technology function across a multi-site group. Designing, developing and supporting enterprise applications across backend and frontend technologies. Helping to standardise and modernise an evolving technology estate. Migrating and enhancing existing applications and platforms. Developing ...

Flexible Role Overview We are seeking an experienced Senior Test Environment & Platform Manager to support a major enterprise technology transformation, moving from a legacy monolithic landscape towards a modern microservices-based architecture using Java, Kafka and OpenShift. This is a highly technical Test Environment Management position combining environment … Work closely with architects, engineering teams, developers, QA and delivery squads to understand environment requirements. Ensure environments can effectively support both legacy applications and new microservices-based services. Define environment standards, processes, governance and operating models. Environment & Platform Management Support the design, provisioning, configuration, maintenance and decommissioning ...

major SAP S/4HANA transformation programme. You'll act as a key link between users, business systems and software development, supporting business-critical applications while helping prepare systems and data for migration into SAP. The role combines application support, troubleshooting, bug fixing, data validation and development work, making … transformation and international project delivery, working alongside teams across the UK and Europe. Responsibilities Provide application support for business-critical systems and desktop applications Triage, investigate and resolve user-reported incidents and issues Escalate complex problems where appropriate Analyse application defects and deliver bug fixes and enhancements Support users ...

Factory Edge programme. This is an opportunity to shape the architecture of a distributed edge computing platform supporting manufacturing environments, spanning virtual machines, containerised applications, industrial systems, data platforms and AI workloads. You'll define the reference architecture, establish reusable infrastructure patterns and guide technology decisions to ensure factory … across a geographically distributed manufacturing estate. You'll define architecture standards and reusable hosting patterns for traditional virtual machine workloads, Kubernetes and containers, manufacturing applications such as MES and UNS, legacy systems, and emerging AI and GPU-enabled workloads. Working across infrastructure, cloud, networking, cyber security ...

digital experiences and become the technical authority behind our customer-facing web platforms? Want to lead the design and delivery of scalable, cloud-first applications that make a real difference to people's lives? Excited by the challenge of modernising legacy systems while driving engineering excellence across … React, and NextJS ecosystem, ensuring consistency, maintainability, and quality across our software landscape. Remaining hands-on, you'll design, build, and maintain cloud-native applications using AWS technologies including Lambda, API Gateway, RDS, and Cognito. You'll develop reusable React components and shared libraries, contribute high-quality code ...