76 to 100 of 185 Remote Jest Jobs

Senior Front End Engineer - React Role type: Contract Location: London Hybrid Preferred start date: ASAP LIFE AT SATALIA As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the hardest problems in industry. Satalia More ❯

Requirements: Type-safe frontend code is required. Experience with Tailwind CSS, CSS Modules, or styled-components is necessary, while knowledge of Next.js, GraphQL, Jest, React Testing Library, and Cypress is a bonus. You should also be comfortable deploying via Netlify or CI/CD pipelines. Salary: £40,000 - 70,000 per year Additional Requirements: We are looking for an experienced … in frontend or full-stack development. You should possess proven production experience building single-page applications (SPAs) with React, as well as strong... Skills: Cypress ESLint Frontend Git GraphQL Jest React Redux TypeScript styled-components UX UI Design JavaScript More: We offer a flexible hybrid working policy, and this position is based in the City of London. The salary for More ❯

ego team. Key Responsibilities Develop and maintain full-stack applications using React, Node.js, GraphQL, and PostgreSQL/MongoDB Lead automation testing efforts —implementing, improving, and documenting test suites (e.g., Jest, Cypress, Ghost Inspector) Ensure high test coverage and promote testing best practices across the development team Collaborate with product and DevOps teams to deliver secure, stable features efficiently Essential Skills … Experience 3+ years’ professional experience with full-stack JavaScript (React + Node.js) Strong proficiency in GraphQL and modern databases (SQL/NoSQL) Demonstrable expertise in test automation (Jest, Mocha, Cypress, or similar) Ability to define and implement testing strategies —specific tools are flexible Pragmatic approach to balancing delivery speed with code quality Desirable Qualifications Background in regulated industries (e.g., EdTech More ❯

requirements. Integrate and optimize REST APIs for data retrieval and manipulation. Develop reusable components and ensure consistency across applications. Write and maintain high-quality, testable code with tools like Jest and Playwright. Perform data wrangling tasks and contribute to data analysis processes where necessary. Troubleshoot, debug, and enhance existing applications to improve performance and reliability. Why Join Us? This role … that values innovation, learning, and collaboration. Required Skills & Experience Web Development: Proficient in React and TypeScript. Data Visualization: Experience with libraries such as Highcharts and D3.js. Testing: Familiarity with Jest and Playwright or similar testing frameworks. REST APIs: Strong understanding of integrating and working with RESTful services. Data Skills: Experience in data wrangling/analysis (e.g., using SQL or Python More ❯

requirements Integrate and optimize REST APIs for data retrieval and manipulation Develop reusable components and ensure consistency across applications Write and maintain high-quality, testable code with tools like Jest and Playwright Perform data wrangling tasks and contribute to data analysis processes where necessary Troubleshoot, debug, and enhance existing applications to improve performance and reliability Why Join Us? This role … values innovation, learning, and collaboration. Requirements Required Skills & Experience Web Development: Proficient in React and TypeScript Data Visualization: Experience with libraries such as Highcharts and D3.js Testing: Familiarity with Jest and Playwright or similar testing frameworks REST APIs: Strong understanding of integrating and working with RESTful services Data Skills: Experience in data wrangling/analysis (e.g., using SQL or Python More ❯

via REST API and/or GraphQL Work with React Native’s new architecture , applying best practices for scalability and performance Write unit and integration tests using tools like Jest , Detox , and Testing Library Optimize the performance of mobile applications Implement and manage state management solutions (e.g., Redux , Mobx ) Collaborate with backend teams and designers to ensure consistency and high … React Native debugging skills — ability to troubleshoot and resolve complex issues with React Native applications using debugging tools, logs, and error tracking. Practical knowledge of JavaScript and testing frameworks (Jest, Detox, Testing Library) . Experience in Brownfield Development . Experience working with REST API and GraphQL . Understanding of state management patterns and solutions like Redux and Mobx . Experience More ❯

Node.js, Express, etc.). Experience with database systems (SQL and/or NoSQL databases). Knowledge of RESTful APIs and frameworks (tRPC, Apollo, etc.). Familiarity with testing frameworks (Jest, Mocha, etc.). Understanding of version control systems (e.g., Git). Excellent problem-solving and troubleshooting skills. Strong communication and teamwork abilities. #J-18808-Ljbffr More ❯

such as Lambda, DynamoDB, SQS, ECS Fargate, API Gateway, and CloudFormation. Proficiency in building microservices, containerization (Docker), and security best practices. Experience with CI/CD, automated testing (Junit, Jest, Cucumber), and cloud-native patterns. Familiarity with PostgreSQL or other RDBMS. Desirable Front-end development exposure (Node, TypeScript). Project leadership or mentoring experience. Experience with Agile tools like Rally More ❯

solving skills and ability to prioritize tasks in a multi-project environment Preferred Skills: Experience with Tailwind CSS or other utility-first frameworks Familiarity with testing frameworks such as Jest, Cypress, or React Testing Library Knowledge of DevOps principles or cloud-agnostic development environments Understanding of CI/CD pipelines and frontend deployment workflows Experience collaborating in global teams or More ❯

Java , JavaScript/TypeScript & React , C/C++ , or Python . Working with Linux , Oracle/Relational Databases , or MongoDB . Building and testing with frameworks like JUnit or Jest and using Git for version control. Experience with CI/CD tools like GitLab , Jenkins , Concourse , or even Apache NiFi , Elasticsearch , or Kibana . Agile development experience ( SCRUM , Kanban ). More ❯

working in Agile environments with modern DevOps and CI/CD practices. A Computer Science/Software Engineering degree or equivalent industry experience. Familiarity with writing automated tests (JUnit, Jest, etc.) and maintaining high code quality. About Amici Founded in 2005, Amici provides a cloud-based purchasing and inventory management platform for biotech and life sciences organisations. Our MyAmici platform More ❯

with gRPC, WebSockets, or microservices architecture. Experience with cloud platforms and service configurations within AWS or Digital Ocean. Understanding of blockchain technology fundamentals. Experience with testing frameworks such as Jest, Cypress, or Mocha. Knowledge of Agile methodologies and DevOps principles. Excellent problem-solving and debugging skills. Strong written and verbal communication skills. Ability to self-manage workloads and work effectively More ❯

of the following is a nice to have: Worked in an Agile environment Some React.js experience Web Service API integration Selenium/Cypress Unit testing with Mocha, Jasmine/Jest, React Test Related web technologies like Sass/Less, AJAX and JSON Micro Front-End What you can expect: At Global Relay, there’s no ceiling to what you can More ❯

Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. Familiarity with modern build and test tools (e.g., Maven, JUnit, Cucumber, Jest). Experience with additional languages/tools such as Node.js, TypeScript, and Postgres. Sound understanding of test automation and quality assurance practices. Excellent problem-solving, communication, and collaboration skills. Proven More ❯

for documentation and interactive previews. Modern build tools: Vite or similar. CI/CD pipelines for automated testing and deployment (Jenkins and GitHub Actions). Familiarity with testing tools: Jest, Chromatic/Percy, axe-core (for accessibility). End-to-end testing such as Playwright. Desirable: Experience with Chart.js and/or similar charting technologies. Experience with the Google Cloud More ❯

bottlenecks, app profiling. APIs & Data Handling: RESTful APIs, state management (Redux, Zustand, Recoil), offline storage, real-time data (WebSockets, Firebase, SignalR). Testing & Quality Assurance: Unit and integration testing (Jest, React Testing Library), UI testing (Detox/Appium), automated testing pipelines. Deployment & DevOps: CI/CD pipelines, App Store & Google Play deployment, OTA updates, crash reporting tools. What Success Looks More ❯

in a strongly-typed object oriented language such as C# or Java Typescript NestJS GraphQL Elasticsearch React hooks React Native Styled Components Testing react apps using testing-library and jest Testing .Net using NUnit, XUnit and utilising Moq Docker and kubernetes AWS and terraform Experience running high-availability distributed systems What we offer you: Generous annual leave policies aimed at More ❯

their own service infrastructure. We keep a close eye on quality and make sure we test everything in an automated way with tools like PHPUnit, PHPStan, Phan, Cypress and Jest, all integrated into GitLab CI/CD pipelines. Your role includes the following: Collaborate effectively with the team to deliver high-quality solutions for our users Contribute to, maintain, and More ❯

NextAuth) Full-Stack Capabilities: Type-safe development across the entire stack API design and implementation Performance optimisation techniques State management using React Query Testing & Quality: Comprehensive testing strategies with Jest and Playwright Experience with mock service workers (MSW) for API testing DevOps & Deployment: CI/CD pipeline configuration and optimisation Environment management and deployment strategies Experience with package managers like More ❯

framework, and our codebase is written in TypeScript . We're using Vanilla Extract for styling paired with React Aria primitives. We write tests with React Testing Library and Jest , as well as Playwright . Finally, we deploy to Kubernetes in production, running on Amazon Web Services . Our technologists are at the very heart of Starling and enjoy working More ❯

development and automation processes for build and release of software. A strong background in JavaScript (ES6 & TypeScript), DOM scripting, Node.js. Experience in testing JavaScript code and React component (e.g. Jest, Cypress). Experience with modern, CSS(3) styling and layout (framework agnostic) including working with CSS preprocessors and/or CSS-in-JS. Built, deployed and run Node.js applications and More ❯

Angular, or Vue (TypeScript is a plus). At least 4 years of back-end development using Go (Golang). Experience with unit and end-to-end testing (e.g., Jest, Cypress). Proficient with Git. Fluent in English (mandatory); Dutch is a plus. Able to work independently and take initiative. Experience working in Agile development teams. Strong interest in UI … based on full-time contract) Flexible working hours Hybrid working arrangement (office and remote) Regular social activities with the team Desired Skills and Experience Golang, React, Typescript, Javascript, Angular, Jest, Cypress, Git Darwin Recruitment is acting as an Employment Agency in relation to this vacancy. More ❯

would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected devices Web/UX design appreciation Figma or similar Full stack software development If you are seeking a role of this nature, please get in More ❯

would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected devices Web/UX design appreciation Figma or similar Full stack software development If you are seeking a role of this nature, please get in More ❯

Using We Rely Heavily On The Following Tools And Technologies React & Typescript to write our frontend application code Playwright for our end-to-end tests Sentry for metrics & monitoring Jest, Vitest & React Testing Library for our unit tests AWS for our production and staging environments We’d love to hear from you if... You have 5+ years' experience developing robust … JavaScript/TypeScript, semantic HTML & CSS A deep understanding of ReactJS & Redux You have experience using WebRTC Experience using Sentry or similar app monitoring/telemetry platform Experience with Jest or Vitest testing frameworks You have an ability to see through conflicting or unclear priorities. Prioritise them, focus and act decisively with the overall context of the business in mind. More ❯