1 to 25 of 26 Permanent Jest Jobs in the UK

system engineering teams to translate design into production-grade front-end code. Apply secure coding standards, accessibility principles and testing practices (Jest, Jasmine, Cypress). Contribute to continuous delivery pipelines and advocate DevOps ways of working within your team. As a Front End Developer, you will need: Strong skills ...

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 ...

accessibility (ARIA) and form validation Experience with bundlers such as Webpack or Rollup Practical experience with Node.js and API integration Knowledge of Jest, Jasmine or similar testing frameworks Experience with Git and branching strategies Understanding of Agile delivery and CI/CD best practices Strong grounding in Computer Science fundamentals ...

OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please ...

production-grade experience AWS services: ECS, ECR, Lambda, API Gateway, S3, DynamoDB, Step Functions, SQS AngularJS, TypeScript, Node.js, Groovy, Bash Testing: Karate, Gherkin, Cypress, Jest Tooling: GitLab, Jenkins, CloudFormation, Maven, Docker, SonarQube CI/CD pipeline design and operation AWS Certified DevOps Engineer Professional (or above) required 7+ years ...

OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please ...

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 ...

GitHub Copilot, or IntelliJ IDEA. Performing application security and vulnerability management: JWT, OAuth, Nexus, Artifactory, SonarQube, or HashiCorp Vault. Using automated testing frameworks Playwright, Jest, Mockito, or TestNG. Working with enterprise messaging and caching solutions: Kafka, WebSphereMQ, RabbitMQ, or Redis. Using Agile project management and delivery: Scrum, Kanban, JIRA ...

with DevOps teams on CI/CD pipelines, infrastructure, and observability Work with technologies including Redis, MS SQL, WebSockets Contribute to automated testing using Jest and Playwright Participate in code reviews and uphold engineering best practices Engage directly with stakeholders to understand and shape requirements Utilise modern AI/ ...

with DevOps teams on CI/CD pipelines, infrastructure, and observability Work with technologies including Redis, MS SQL, WebSockets Contribute to automated testing using Jest and Playwright Participate in code reviews and uphold engineering best practices Engage directly with stakeholders to understand and shape requirements Utilise modern AI/ ...

stack features using TypeScript, Node.js and React Working on real-time systems using WebSockets, Redis and SQL Driving high-quality engineering through automated testing (Jest, Playwright) Collaborating closely with DevOps on observability, pipelines and system performance Taking ownership from design through to production Contributing to code reviews and raising ...

features across the full stack of a high- performance trading platform . Work primarily with: TypeScript ( Node. js & React) Monorepo tooling, GitHub, GitHub Actions Jest, Playwright Redis, MS SQL, WebSockets Docker, Kubernetes Observability tools ( Grafana, Prometheus, SonarQube) Take end- to- end ownership of features from design to production. Collaborate closely ...

features across the full stack of a high- performance trading platform . Work primarily with: TypeScript ( Node. js & React) Monorepo tooling, GitHub, GitHub Actions Jest, Playwright Redis, MS SQL, WebSockets Docker, Kubernetes Observability tools ( Grafana, Prometheus, SonarQube) Take end- to- end ownership of features from design to production. Collaborate closely ...

styling approaches (e.g. TailwindCSS, Flexbox, Grid) Experience building and maintaining Android applications Experience building and maintaining iOS applications Experience writing unit tests using Jest Desirable Experience with Expo for React Native development Experience implementing i18n (internationalisation) for multi-language/multi-region applications Experience working with native mobile features, such ...

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 ...

features across the full stack of a high- performance trading platform . Work primarily with: TypeScript ( Node. js & React) Monorepo tooling, GitHub, GitHub Actions Jest, Playwright Redis, MS SQL, WebSockets Docker, Kubernetes Observability tools ( Grafana, Prometheus, SonarQube) Take end- to- end ownership of features from design to production. Collaborate closely ...

work with a variety of technologies. You'll 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 Databases: MongoDB & PostgreSQL They are looking for someone who is: Proactive ...

stack: Designing, building, and maintaining features for an internal trading platform Working with: TypeScript, Node.js, React, Redis, MS SQL, WebSockets Docker, Kubernetes, GitHub Actions, Jest, Playwright Grafana, Prometheus, SonarQube Taking end‐to‐end responsibility from design → production Collaborating closely with platform/DevOps engineers Enhancing observability, automation, and operational excellence ...

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

implement improvements. Required Qualifications & Experience Strong TypeScript and React experience (React 16+). Proficient in JavaScript ES6+. Experience with React Testing frameworks like Jest and Enzyme. A keen sense of design and desire to build a better mousetrap. General understanding of supporting infrastructure: git, microservices, containers, etc. Comfortable working with ...

need Typescript, Node.js React.js. RESTful API services. MySQL/PostgresSQL. Useful experience React Native. Serverless/Lambda Version control - Git AWS cloud/CDK Jest AI/ML EDI What you'll be doing You will be working on a platform with powerful ordering and self-serve features that streamlines ...

andplacesstrongemphasison performance,reliability,andmaintainability . YouwilljoinahighlyexperiencedteamofseniorengineersandQAdevelopers,taking fullownershipoffeatures fromdesignthroughtoproduction,whilecollaboratingdirectlywiththeclient. KeyResponsibilities Design,build,andmaintainfeaturesacrossthefullstackofa high-performancetradingplatform . Workprimarilywith: TypeScript (Node.js &React) Monorepotooling,GitHub,GitHubActions Jest,Playwright Redis,MSSQL,WebSockets Docker,Kubernetes Observabilitytools (Grafana,Prometheus,SonarQube) Take end-to-endownership offeaturesfromdesigntoproduction. CollaboratecloselywithplatformandDevOpsengineersonbuildpipelines,observability,andoperationalconcerns. Communicatedirectlywithclientstoclarifyrequirementsandproposesolutions. Contributetoandimproveautomatedtestingpractices. Participateinpeercodereviewsandmaintainhighengineeringstandards. Leverage LLM/ ...

Haves: Strong experience in Core React Native 0.81, TypeScript 5.x, React 19 Strong experience in State Redux Toolkit , Zustand , React Query , Apollo Client Testing Jest , React Native Testing Library strong requirement many test files Any Certifications required: Preferred but no click apply for full job details ...

helpingtoshapethefutureofmediatechnology. KeyResponsibilities Leadarchitectureanddirectionforarangeofdigitalproducts. Championengineering,establishandupholdcodingbestpractices. CollaboratewithPM'sPO's,designers,andseniorstakeholderstoshapesolutions. Leadandguideteamsonfeaturebreakdown,technicalplanning,andreleaseprocesses. Manageandmentorengineersalongwithgrowingahigh-performingteams. Skills&ExperienceRequired ExtensiveexperiencewithJavaScript/TypeScript,React,Redux,andNode.js StrongexperienceinTDDandtestingframeworks(Jest,Mocha,Cypres/Playright) Atrackrecordinmodularsystemarchitectureandmulti-tenantplatformdevelopment. ExperiencewithAWS Deepunderstandingofsoftwarearchitecture,security,performance,andcontinuousdelivery. Agilemindsetwithexperienceincross-functionalteams. Iftheaboveisofinterest,pleaseapplywithanupdatedcopyofyourCVandamemberoftheScalersteamwillbeintouch. ...