1 to 25 of 38 Legacy Applications Jobs in London

Technical) to join a major application modernisation programme. This role will focus on the discovery, assessment and transformation of legacy business-critical applications, supporting their migration into modern .NET-based solutions hosted within Azure and OpenShift/containerised environments. This is an excellent opportunity for a technically … minded analyst who enjoys understanding legacy applications, identifying dependencies and risks, and helping shape technology modernisation strategies that align business and technical objectives. You will work closely with application owners, business stakeholders, architects, developers, infrastructure teams and DevOps specialists to support decision-making throughout the application modernisation ...

Technical) to join a major application modernisation programme. This role will focus on the discovery, assessment and transformation of legacy business-critical applications, supporting their migration into modern .NET-based solutions hosted within Azure and OpenShift/containerised environments. This is an excellent opportunity for a technically … minded analyst who enjoys understanding legacy applications, identifying dependencies and risks, and helping shape technology modernisation strategies that align business and technical objectives. You will work closely with application owners, business stakeholders, architects, developers, infrastructure teams and DevOps specialists to support decision-making throughout the application modernisation ...

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 ...

Role Summary The Application Migration Engineer will be responsible for assessing, designing, and delivering the migration of existing services and applications onto the new Common Data Platform (CDP). The role focuses on ensuring migrations are delivered securely, efficiently, and with minimal disruption to business operations. Key Responsibilities Assess … existing services, applications, and supporting infrastructure to identify migration requirements, dependencies, and risks. Design and implement migration strategies that minimise service disruption and technical risk. Develop, test, and deploy application changes required to ensure compatibility with the CDP platform. Refactor legacy applications and components where necessary ...

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 ...

from business users and translate business needs into technical solutions; communicate technical constraints in business terms. Maintain and enhance existing and legacy applications when required. Required qualifications, capabilities, and skills Minimum 10 years of hands‐on Python development experience. Strong preference for candidates with a financial services … Capability to translate business needs into technical solutions and explain technical constraints in business terms. Willingness to understand and work on legacy applications when required. Preferred qualifications, capabilities, and skills Prior experience with financial risk stack platforms such as SecDB, Quartz, or Athena. Knowledge of rates products ...

strategic technology initiatives supporting business-critical data and analytics capabilities. Key Responsibilities Technical Leadership Lead the design and delivery of enterprise-grade software applications and data platforms using Python and C# (.NET). Define solution architecture and engineering standards for scalable, resilient, and maintainable systems. Act as a technical … authority for software engineering, database design, and data platform initiatives. Drive modernization of legacy applications and migration towards cloud-native architectures. Review technical designs and code to ensure alignment with engineering standards and best practices. Champion software quality, security, performance, and operational excellence. Data Platform & Solution Ownership ...

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 ...

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 … 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 ...

trade and asset servicing operations across global financial markets. You will play a key role in the design, development and enhancement of enterprise-grade applications used to manage complex asset servicing processes, corporate actions, income processing, custody operations and client reporting. Working within an Agile delivery environment, you will … fellow engineers to deliver innovative solutions that improve operational efficiency, client experience and platform scalability. Responsibilities Design, develop and maintain scalable full stack applications using Java and React. Build and enhance microservices and RESTful APIs supporting Asset Servicing platforms. Develop responsive user interfaces using React, TypeScript and modern front ...

systems into modern Java/Angular solutions. Design, build, and optimise backend services using Java, Spring Boot, and SQL. Develop responsive frontend applications with Angular, RxJS, and NgRX. Implement CI/CD pipelines and DevOps best practices. Collaborate with business stakeholders to translate requirements into scalable solutions. … Maintain high code quality through testing, automation, and peer reviews. Support multiple applications within a complex platform environment. Must-Have Skills Java 11+ (Java 17+ preferred) Spring Boot Angular 14+ (Angular 18 preferred) Strong SQL expertise RxJS and NgRX Docker Git CI/CD and DevOps practices Experience working ...

application modernisation programme within a leading financial services organisation. The role will define and implement enterprise-scale Azure and Google Cloud architectures, supporting legacy application migration, banking platform modernisation and the adoption of secure cloud-native services. The successful contractor will combine strong architectural thinking with the practical ...

ambiguity. You care more about solving the problem effectively than being strictly tied to one programming language. Bonus Points Experience migrating legacy applications (e.g., Ruby/Python to Rust). Contributions to open-source projects in Rust, Ruby, or Python. Familiarity with WebAssembly (Wasm). … Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against ...

estate. This organisation is investing heavily in modernising its technology environment, including the implementation of Dynamics 365, Microsoft Fabric and the replacement of legacy systems. You'll join an established transformation team and act as the key Solutions Architect, helping define how systems, platforms and integrations fit together … across Dynamics 365, Azure, Power Platform, Microsoft Fabric and wider enterprise systems * Design integrations and support the migration and decommissioning of legacy applications * Work with development teams, technical specialists and external suppliers to turn architecture into deliverable solutions * Provide technical leadership while helping shape the longer-term ...

ROLE As an Tech Lead on the AWS Cloud Migration, you will provide technical leadership across the refactoring of legacy applications for a Tech Debt programme. Embedded alongside client teams and a broader programme network, you will guide technical design, ensure architectural alignment, and assure the quality … Assurance: Reviewing and assuring the quality of critical technical artefacts, codebases, and architectural documentation. Refactoring Strategy: Guiding the architectural breakdown and refactoring of legacy technical debt into modern, scalable cloud components. Cross-Functional Collaboration: Partnering directly with client teams, specialists, and external suppliers across a large-scale programme ...

distributed system on Kubernetes Participate in the entire application lifecycle, focusing on coding and debugging Manage cutting-edge technologies to improve legacy applications Collaborate with Front-end developers to integrate user-facing elements with server side logic Gather and address technical and design requirements Follow emerging technologies … onboarding process for new customers, providing guidance and support to ensure successful integration of their existing and future systems Optimizing the performance of applications for full-scale production deployments Required Qualifications: Bachelor’s degree in computer programming, computer science, or a related field Strong technical communication skills, and ability ...

delivery of a significant strategic transformation programme, focusing on both the implementation of a new strategic platform and the analysis of legacy applications as part of a wider technology modernisation initiative. You will work closely with business stakeholders, operational teams, technology partners, and project resources to ensure … Analysis, Process Improvement, Change or Transformation roles - max experience up to 7-8 years Experience within Commodities is a must Experience working with legacy systems Platformmigration experience Financial services experience Experience gathering and documenting business requirements, process maps, and stakeholder needs. Good understanding of operational process ...

application modernisation programme within a leading financial services organisation. The role will define and implement enterprise-scale Azure and Google Cloud architectures, supporting legacy application migration, banking platform modernisation and the adoption of secure cloud-native services click apply for full job details ...

Capability to translate business needs into technical solutions and explain technical constraints in business terms Willing to understand and work on legacy applications when required Preferred Qualifications Prior experience with other financial risk stack platforms such as SecDB, Quartz, or Athena Knowledge of rates products including Swaps ...

Capability to translate business needs into technical solutions and explain technical constraints in business terms Willing to understand and work on legacy applications when required Preferred Qualifications Prior experience with other financial risk stack platforms such as SecDB, Quartz, or Athena Knowledge of rates products including Swaps ...

Capability to translate business needs into technical solutions and explain technical constraints in business terms Willing to understand and work on legacy applications when required Preferred Qualifications Prior experience with other financial risk stack platforms such as SecDB, Quartz, or Athena Knowledge of rates products including Swaps ...

Capability to translate business needs into technical solutions and explain technical constraints in business terms Willing to understand and work on legacy applications when required Preferred Qualifications Prior experience with other financial risk stack platforms such as SecDB, Quartz, or Athena Knowledge of rates products including Swaps ...

King Resourcing is seeking an experienced Technical Project Manager to lead the modernisation of legacy applications to .NET solutions deployed in Azure and OpenShift. Based in London, the role is a 4-6 month contract with hybrid on-site/remote work. You will bridge business ...

drive the AWS Migration for client applications. Remote, UK with occasional travel to London or Manchester. You will provide technical leadership across refactoring legacy apps, guiding design and ensuring architectural alignment within a broad programme. The role emphasizes collaboration with client teams and suppliers while leveraging Java frameworks ...