1 to 25 of 68 Jest Jobs

handling, loading states Performance – bundle optimisation, code splitting, rendering strategies Accessibility & UX – semantic HTML, responsive design, usability best practice Testing – unit and component testing (Jest, Vitest, Testing Library, Cypress/Playwright) Version control – Git workflows, PR reviews, and collaboration Back-end Experience with some of the following, or a strong ...

Docker Strong experience in AWS services such as Lamda, Step function and IAM Proficiency in unit testing (Junit 4/5), Karma or Jest, code quality metrics & BDD and TDD approaches. Strong knowledge of relational databases (ideally MS SQL server DB) Strong communication, problem-solving and critical thinking skills with ...

Nice-to-Have Skills Kubernetes React JS Additional Details Cloud Platform: AWS Frontend involvement: Approximately 25% (React JS and testing tools like Jest). Project Context: Combination of greenfield development and migration from mainframe to microservices. ...

libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest , React Testing Library ). Comfortable with CI/CD pipelines, version control ( Git ), modern build tools and an eye for performance optimisation. Strong understanding ...

/CloudFormation/Pulumi are okay) CI/CD (preferably Github Actions, Gitlab pipelines and ArgoCD are okay) Experience with testing frameworks, e.g. Jest, Playwright Nice to have (in order of importance) Kubernetes (very nice to have), Microservice, Tailwind/ShadCN, AWS serverless expertise (Lambda/S3/API Gateway ...

validation, and ARIA accessibility standards. Familiarity with bundlers like Webpack/Rollup and environment configuration. Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine). Comfortable working in Agile teams and applying DevOps practices. Strong foundation in Object-Oriented Programming, design patterns, and data structures. Experience with ...

validation, and ARIA accessibility standards. Familiarity with bundlers like Webpack/Rollup and environment configuration. Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine). Comfortable working in Agile teams and applying DevOps practices. Strong foundation in Object-Oriented Programming, design patterns, and data structures. Experience with ...

Next.js Use modern JavaScript (ES6+), hooks, state management, and functional components Testing, Collaboration & Best Practices Write unit, integration, and functional tests using PHPUnit and Jest Follow PSR-12, SOLID principles, and clean code practices Participate in code reviews, sprint planning, and architecture sessions Collaborate closely with other developers, product teams ...

Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee) Proficiency in AngularJS, Jenkins, Karate, Node 10, Groovy, Bash, Typescript. Knowledge of Gherkin, Cypress, Jest Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube AWS DevOps Engineer certification or above. Understanding of software development lifecycle. Ability to apply secure coding practices. ...

Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee) Proficiency in AngularJS, Jenkins, Karate, Node 10, Groovy, Bash, Typescript. Knowledge of Gherkin, Cypress, Jest Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube AWS DevOps Engineer certification or above. Understanding of software development lifecycle. Ability to apply secure coding practices. ...

wider JavaScript/TypeScript ecosystem Express.js and/or Fastify RESTful API design AWS or similar cloud platforms Microservices architecture Testing frameworks (Vitest, Jest, Mocha, etc.) CI/CD pipelines & DevOps practices GitHub workflows Observability tools (e.g., DataDog) Docker/Kubernetes Tech Stack Youll Be Working With Node.js, JavaScript/ ...

workflows that support scientists, clinicians, and technical specialists Working closely with backend teams on APIs , data visualisation , and scientific insights Implementing robust frontend testing (Jest, Playwright, RTL) Ensuring interfaces are accessible, reliable, and user‐centred — critical in scientific and health environments Contributing to design discussions, UX improvements, and architecture decisions ...

Node 10, Typescript. - Tooling: Gitlab, Jenkins, Maven, Docker, Fortify on Demand or similar, SonarQube or similar - Cypress/Selenium, BDD-Gherkin --> Karate/Cucumber, Jest * Demonstrable evidence of leading and mentoring teams, combined with strong stakeholder management and an ability to communicate effectively at all levels within an organisation. * Able ...

understanding of state management, component architecture, and performance optimisation techniques. Experience integrating with RESTful APIs and/or GraphQL. Experience implementing testing strategies (e.g., Jest, React Testing Library, Cypress or similar). Familiarity with CI/CD pipelines and modern development workflows. Excellent English communication skills. Strong collaboration skills ...

scalable front-end architecture Experience with API integration, cloud platforms, and CI/CD workflows Writing unit tests Modern front end testing frameworks like Jest Ability to mentor colleagues and collaborate effectively Strong understanding of performance, security, and modern engineering patterns Desirable Skills Docker and container-based development Backend ...

React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control ...

Rest API's and GraphQL Familiarity with testing - A/B Testing/Web Testing/Web Performance Proficient with Playwright/Cypress/Jest If the above is of interest, please apply with an updated copy of your CV and a member of the Scalers team will ...

meet project needs Useful experience Node.js React/React Native MySQL/PostgreSQL Typescript Serverless/Lambda Version control - Git AWS cloud/CDK Jest HTML/CSS/JS/SASS AI/ML EDI Manufacturing software (ERP) While the above knowledge and skills are preferred, we are open ...

accessibility basics (WCAG). Back-end expertise in .NET (C#), asynchronous programming, and dependency injection. Quality-focused with experience in unit testing (Jest/NUnit or similar) and code review. Knowledge of RESTful API design, OpenAPI/Swagger, and NoSQL databases. Excellent collaboration skills, with experience working closely with product ...

/TypeScript ecosystem Express.js and/or Fastify RESTful API design and distributed systems AWS or similar cloud platforms Microservices architecture Testing frameworks (Vitest, Jest, Mocha, etc.) CI/CD pipelines and DevOps best practices GitHub workflows Observability and monitoring tools (e.g., Datadog) Docker and Kubernetes Tech Stack ...

/TypeScript ecosystem Express.js and/or Fastify RESTful API design and distributed systems AWS or similar cloud platforms Microservices architecture Testing frameworks (Vitest, Jest, Mocha, etc.) CI/CD pipelines and DevOps best practices GitHub workflows Observability and monitoring tools (e.g., Datadog) Docker and Kubernetes Tech Stack Youll ...

applications. Knowledgeable in performance optimisation techniques to improve load speeds and search engine rankings. Experienced in writing unit and integration tests using tools like Jest and React Testing Library to ensure robust functionality. Desirable Skills Understanding of modern frontend tools and workflows. Knowledge of state management libraries such as Redux ...

will also demonstrate proficiency with: * Front end: Angular, responsive UI, accessibility basics (WCAG) * Back end: .NET (C#), asynchronous programming, dependency injection * Quality: Unit testing - Jest/NUnit or similar, code review * APIs & data: RESTful design, OpenAPI/Swagger, NoSQL databases * Ways of working: Collaborating with product/platform/developers ...

will also demonstrate proficiency with: * Front end: Angular, responsive UI, accessibility basics (WCAG) * Back end: .NET (C#), asynchronous programming, dependency injection * Quality: Unit testing - Jest/NUnit or similar, code review * APIs & data: RESTful design, OpenAPI/Swagger, NoSQL databases * Ways of working: Collaborating with product/platform/developers ...

They work with a variety of technologies. Youll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node.js, Jest, Cypress Ruby (non-Rails environment) nice to have AWS: EC2, ECS, Lambda, S3, SQS Serverless Databases: MongoDB & PostgreSQL They are looking for someone ...