with End-to-end functional UI automation using modern tools such as Playwright.? Knowledge of and experience with react framework and unit testing concepts with React Testing Library and Jest or similar tools.? Knowledge of and experience with Andi and Axe dev Tools for accessibility or similar tools.? Knowledge of and experience with testing C# Typescript/JavaScript, CSS, and … LambdaRequired2YearsCurrent experience with .NET unit testing frameworksRequired4YearsCurrent experience with End-to-end functional UI automation such as PlaywrightRequired4YearsCurrent experience with React frameworkRequired4YearsUnit testing concepts with React Testing Library and Jest or similar toolsRequired4YearsCurrent experience with Andi and Axe dev Tools for accessibility or similar tools Required 4 YearsRequired4YearsExperience with testing C# Typescript/JavaScript, CSS, and HTMLRequired4YearsAPI testing including API More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Motilent
internal SDKs, DICOMWeb services, Keycloak authentication, and reporting/persistence APIs; guide configuration and deployment best practices across environments. Uphold engineering standards - code style and quality gates, localisation requirements, Jest unit coverage, Typedoc documentation, and CI-ready builds via Webpack/Docker. Provide technical leadership: mentor engineers through reviews, pairing, and architectural collaboration, while investing in practical logging, monitoring, and … overlays, viewport coordination). Deep knowledge of DICOM/DICOMWeb workflows, imaging metadata, multi-series coordination, and medical data privacy considerations. Tooling fluency: Webpack 5, npm scripts, Dockerised deployments, Jest testing, ESLint/Prettier automation, and scalable state management patterns. Secure OAuth/OpenID (Keycloak) implementations, robust API integration, resilient error handling, and localisation pipelines. Strong grasp of numerical methods More ❯
internal SDKs, DICOMWeb services, Keycloak authentication, and reporting/persistence APIs; guide configuration and deployment best practices across environments. Uphold engineering standards - code style and quality gates, localisation requirements, Jest unit coverage, Typedoc documentation, and CI-ready builds via Webpack/Docker. Provide technical leadership: mentor engineers through reviews, pairing, and architectural collaboration, while investing in practical logging, monitoring, and … overlays, viewport coordination). Deep knowledge of DICOM/DICOMWeb workflows, imaging metadata, multi-series coordination, and medical data privacy considerations. Tooling fluency: Webpack 5, npm scripts, Dockerised deployments, Jest testing, ESLint/Prettier automation, and scalable state management patterns. Secure OAuth/OpenID (Keycloak) implementations, robust API integration, resilient error handling, and localisation pipelines. Strong grasp of numerical methods More ❯
Colchester, England, United Kingdom Hybrid/Remote Options
Denu Recruit
handling, caching, and data management. Contribute to the modernisation of our existing WPF/XML front-end , helping transition to a scalable React architecture. Write maintainable, testable code using Jest, React Testing Library, and Storybook . Collaborate with Product, Design, and Backend teams to define requirements, scope, and technical solutions. Improve front-end performance, accessibility, and usability , applying pragmatic patterns … fundamentals — accessibility, form handling, and component design. Confident integrating REST APIs and working with async data-fetching libraries like React Query or SWR. Experience writing unit and integration tests (Jest, React Testing Library). Pragmatic approach to state management, performance, and code organisation . Clear communicator who enjoys working collaboratively in an agile team. Bonus points for: Experience modernising legacy More ❯
especially key services like Lambda, DynamoDB, and CloudFront, cloudwatch, Cloudbatch Manage database integrations and operations - primarily DynamoDB, with potential exposure to MongoDB and MySQL Experience writing unit tests with Jest Familiarity with CI/CD pipelines and deployment workflows in ADO MUST Have: Angular, Typscript, Node, AWS experience (within AWS we mainly use lambdas, CloudWatch, CloudFront, Batch, and Dynamo Nice … to-have DB experience would include Mongo, mySQL, and SQL Server. Unit Test, Code Quality (Jest) Product Team delivery with Agile SAFe methodology More ❯
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions More ❯