7 of 7 Legacy Code Jobs in London

shell script -based batch processes. Support a high-volume OLTP environment across custom Oracle applications and Oracle E-Business Suite. Analyse and modernise legacy code , working within multi-disciplinary teams to understand requirements, propose technical options, and prototype solution approaches. Deliver robust, performant code and conduct performance … Experience developing and supporting batch workloads and high-volume OLTP systems within Oracle custom or Oracle Apps/EBS environments. Proven analytical capability, including: Legacy code analysis Working with multidisciplinary teams Providing technical input into solution design Rapid prototyping of solution approaches Ability to deliver highly performant, resilient ...

secure, event-driven systems. Embed testing-first practices (TDD/BDD, contract tests, Jest/RTL, Playwright/Cypress, xUnit/NUnit) to raise code quality. Implement modern CI/CD (GitHub Actions) and Infrastructure as Code (Terraform, CloudFormation, AWS CDK). Model secure-by-design principles; ensure … PoCs, and unblock complex problems across squads. Champion Always ship each cycle; partner with Product to balance scope, delivery, and quality. Drive modernisation: sunset legacy code, reduce tech debt, and improve performance, reliability, and observability. Who Were Looking For: Highly experienced full stack engineer with strong proficiency ...

secure, event-driven systems. Embed testing-first practices (TDD/BDD, contract tests, Jest/RTL, Playwright/Cypress, xUnit/NUnit) to raise code quality. Implement modern CI/CD (GitHub Actions) and Infrastructure as Code (Terraform, CloudFormation, AWS CDK). Model secure-by-design principles; ensure … PoCs, and unblock complex problems across squads. Champion “Always ship each cycle”; partner with Product to balance scope, delivery, and quality. Drive modernisation: sunset legacy code, reduce tech debt, and improve performance, reliability, and observability. Who We’re Looking For: Highly experienced full stack engineer with strong proficiency ...

Pipelines/DevOps experience Microservices/Event Driven Architecture Kafka/RabbitMQ The role will involve either developing a greenfield application or upgrading existing legacy code into modern .NET 10. (TBC) Providing you fit all of the above skills criteria and can operate on a hybrid contract ...

integration with Dynamics 365 and Power BI. Own website performance, accessibility, and SEO optimisation. Oversee ongoing maintenance, updates, and documentation to avoid legacy code issues. Skills & Experience Essential Experience leading website redevelopment or CMS migration projects. Knowledge of CMS platforms such as Optimizely, Umbraco, or WordPress. Working knowledge ...

application with SSO solutions , ensuring flexibility to connect with: OAuth/OpenID Connect SAML Okta (primary client requirement). Deliver clean, scalable, and secure code aligned with best practices. Collaborate with internal teams to ensure smooth integration and deployment. Essential Skills & Experience Expert-level React development (hooks, state management … experience with Okta integration. Knowledge of OAuth 2.0, OpenID Connect, and SAML . Experience building multi-tenant applications . Ability to refactor and modernize legacy codebases. Nice-to-Have Familiarity with other identity providers (Azure AD, Auth0, Ping Identity). Experience in secure coding practices and compliance frameworks. Strong ...

application with SSO solutions , ensuring flexibility to connect with: OAuth/OpenID Connect SAML Okta (primary client requirement). Deliver clean, scalable, and secure code aligned with best practices. Collaborate with internal teams to ensure smooth integration and deployment. Essential Skills & Experience Expert-level React development (hooks, state management … experience with Okta integration. Knowledge of OAuth 2.0, OpenID Connect, and SAML . Experience building multi-tenant applications . Ability to refactor and modernize legacy codebases. Nice-to-Have Familiarity with other identity providers (Azure AD, Auth0, Ping Identity). Experience in secure coding practices and compliance frameworks. Strong ...