20 of 20 Legacy Applications Jobs in England

Remote - adhoc travel to London Duration; 6 month initial You will be supporting a Legacy Application program in upgrading hundreds of business applications across Wintel, Linux and cloud environments. Core Competencies Legacy System Modernisation: Proven experience in upgrading legacy applications while maintaining … experience conducting or supporting pre- and post-deployment security assessments, vulnerability management, and remediation planning. Technical Experience Wintel/Linux: Securing legacy applications via patching, hardening, and privilege management (e.g., Active Directory, SELinux). Cloud (AWS/Azure/GCP): Designing IAM policies, encryption (FIPS 140-validated ...

Manager (Legacy Systems) for an MoD-aligned government agency to lead an established dev & test team working on key legacy applications and services (no greenfield build). The role: Own end-to-end delivery for 1-2 legacy services (roadmap, flow, risks, dependencies … Lead a multi-disciplinary team (dev, test, BA, etc.) in a pragmatic Agile environment Drive iterative improvements to existing applications and user journeys Work within public-sector governance and bureaucracy while keeping delivery moving You'll need: Proven experience as a Delivery Manager/Agile Delivery Lead (not just ...

Remote - adhoc travel to London Duration; 6 month initial You will be supporting a Legacy Application program in upgrading hundreds of business applications across Wintel, Linux and cloud environments. Core Competencies Legacy System Modernisation: Proven experience in upgrading legacy applications while maintaining ...

evaluating the current security posture, reviewing how access and security policies are defined and enforced, and creating a clear roadmap to future-proof applications in line with client, regulatory and business requirements. Key Responsibilities Assess the existing application, data and access control landscape, including legacy SQL Server … scalable Evaluate and design RBAC and ABAC models, aligned to business and client needs Define how policies are authored, managed, versioned and enforced across applications Identify security gaps, technical debt and policy inconsistencies within legacy systems Design target-state application security architectures that balance modern security principles ...

role in shaping integration platforms, guiding engineering teams, and ensuring solutions meet regulatory, operational, and business needs. Key Responsibilities Review and assess legacy application, integration, and data warehouse architectures Design target-state architectures, including modern .NET structures, containerized workloads, and scalable platforms Recommend modernization and cloud strategies across ...

role in shaping integration platforms, guiding engineering teams, and ensuring solutions meet regulatory, operational, and business needs. Key Responsibilities Review and assess legacy application, integration, and data warehouse architectures Design target-state architectures, including modern .NET structures, containerized workloads, and scalable platforms Recommend modernization and cloud strategies across ...

grow up to seven. You'll take ownership of the development and technical road map as they transition legacy .NET and PHP applications into modern, cloud hosted platforms. There's a mix of internal systems and customer facing applications, all of which are getting a major … shaping engineering standards, maintaining quality, driving CI and CD, improving documentation and review processes, and playing a key part in modernising legacy applications for the future. The tech stack centres around C# and Blazor, but they also work with a range of other technologies, so someone experience ...

greenfield development , collaborating closely with engineering, DevOps, DBAs, and governance teams in a structured, enterprise environment. What You'll Be Doing Designing and developing applications using .NET Framework/.NET Core , React/TypeScript , Python , and relational databases Refactoring and modernising legacy systems to reduce technical debt … global technology teams What We're Looking For Strong experience with C#.NET in complex or enterprise environments Proven ability to modernise legacy applications Good architectural understanding and secure development mindset Experience with SQL Server and/or Oracle Comfortable working across the full SDLC in a controlled ...

Requirements: Proven commercial experience working as a Platform Engineer within the public sector. Active SC Clearance. Experience maintaining and troubleshooting legacy applications/infrastructure, including Oracle, WebLogic, and Elasticsearch. Building and supporting CI/CD pipelines, refactoring code, and developing automated tests. Strong knowledge of Nginx, Apache ...

Advanced proficiency in Java technologies (SE 8, EE 5/6/11, EJB, JSP) Proven experience supporting and modernising legacy applications Demonstrated ability to refactor complex codebases and develop robust automated tests Strong background integrating solutions with auditing and protective monitoring services Hands-on experience with … Oracle WebLogic 11gR1, PL/SQL, and Oracle BI Proficiency in building and supporting Java applications using ODBC/JDBC with stored procedures Practical experience developing and supporting Elasticsearch solutions Nice to have: Familiarity with IBM Initiate Master Data Management Experience working with Nginx Understanding of Apache Tomcat ...

design, build, integration, testing, and deployment. Design and govern integration patterns between the ERP and surrounding systems (e.g. CRM, data platforms, legacy applications, third-party services). Set and enforce architectural standards, principles, and guardrails to ensure quality and consistency. Partner with system integrators and vendors, reviewing … Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best ...

clients across industry sectors - helping them turn their cloud strategy into reality. Help design and deliver transformative cloud solutions - from migrating legacy applications onto Cloud, to building innovative, new cloud-native applications. Continue to learn and grow - we actively encourage and support continuous learning and certification. Serve ...

clients across industry sectors - helping them turn their cloud strategy into reality. Help design and deliver transformative cloud solutions - from migrating legacy applications onto Cloud, to building innovative, new cloud-native applications. Continue to learn and grow - we actively encourage and support continuous learning and certification. Serve ...

clients across industry sectors - helping them turn their cloud strategy into reality. Help design and deliver transformative cloud solutions - from migrating legacy applications onto Cloud, to building innovative, new cloud-native applications. Continue to learn and grow - we actively encourage and support continuous learning and certification. Serve … governance standards. Apply cost optimisation principles and manage budgets effectively to deliver value-driven solutions. Drive cloud-first strategies, including modernisation of legacy workloads and adoption of serverless and containerised architectures. Implement robust security and governance controls, ensuring compliance with organisational and regulatory requirements. Guide and mentor consultants ...

seeking a Technical Security Architect with strong expertise in Application Security, RBAC, ABAC and Policy Management to assess and modernise a predominantly legacy application estate, including platforms built on SQL Server click apply for full job details ...

Pattern: Hybrid - 3 days a week in the office. The Role: In the short term, the successful candidate will take ownership of modernising legacy application databases click apply for full job details ...

within the development team) that is about to do a proper rebuild of its core platform. Right now, theyre running multiple legacy applications with different standards, different front ends, and different approaches to data. The plan is to scrap that complexity and start again, unifying everything. Youll … experience as a Lead Developer or similar Solid backend experience with Node.js and microservices Frontend experience with React Experience working on large or complex applications Comfortable working across different technologies rather than staying in one narrow lane Open-minded when it comes to AI and modern tooling, not resistant ...

About the Role We’re looking for a Principal Software Engineer to lead the migration and modernisation of a complex legacy application into a modern, scalable architecture. This is a hands-on technical leadership role where you’ll shape the design, guide the team, and ensure successful delivery … critical transformation project. Key Responsibilities Drive the migration of legacy systems to modern, cloud-based solutions. Define and implement microservice architecture using a code-first approach . Apply strong architectural principles and design patterns to deliver robust solutions. Collaborate with a cross-functional team (including React developers ...

public-sector environments. The role is hybrid working in London and is Inside IR35. Key Responsibilities Oversee end-to-end programmes focused on legacy application modernisation and upgrades. Lead on-premise to cloud transformation programmes (AWS and/or Azure). Drive the successful delivery of software … Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best ...

Pattern: Hybrid - 3 days a week in the office. The Role: In the short term, the successful candidate will take ownership of modernising legacy application databases. This will involve designing and implementing scalable, high-performance database architectures to replace existing MySQL backends supporting application services. They will lead … migration of data from legacy platforms into new Microsoft SQL Server environments, ensuring data integrity, optimal performance and minimal disruption to live systems. The role will also be responsible for configuring SQL Server security and access controls, including the creation and management of developer roles and permissions ...