Jest Job Vacancies

126 to 150 of 168 Jest Jobs

Software Engineer (Front End - Vue/React)

Bristol, Gloucestershire, United Kingdom
Just Eat Takeaway.com
What will you bring to the table? Vue.js (ideally v3) and its related tools. JavaScript (ES6+) and modern frameworks like Webpack, Vite, and TypeScript. Unit testing with tools like Jest, Cypress, or Playwright. Building responsive UIs that meet WCAG accessibility standards . Designing and debugging large, complex applications. Working independently and taking ownership of projects. Collaboration and communication skills, especially More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Composable & Headless Commerce Lead Architect

London, United Kingdom
Hybrid / WFH Options
Astound Commerce Corporation
expertise in MACH architecture (Microservices, API-first, Cloud-native, Headless) and composable commerce platforms (e.g., commercetools, Shopify Plus, SFCC, Scayle). Proficiency in modern frontend tooling: Vite, Webpack, Tailwind, Jest, Storybook. Deep understanding of REST/GraphQL APIs, serverless functions, and edge computing for scalable frontends. Experience with headless CMS platforms (Contentful, Amplience, Strapi) and PIM/DAM integrations (Akeneo More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Frontend Engineer (London)

London, United Kingdom
Hyperexponential Ltd
workflows). Able to work with independence under guidance from Senior Engineers and Managers, leveraging knowledge from a distributed community of frontend engineers. Familiarity with frontend tooling: vitejs, nx, jest, vitest, testing library Competent in test design and maintenance (unit, component, CI/CD). Strong written and verbal communication skills. Bonus points for: Practical experience extending or customising shadcn More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer

London, United Kingdom
Hybrid / WFH Options
9fin
implement user & system metrics and observability as you go to continually learn, assess and improve 9fin's platforms and products. Our Tech Stack React via Typescript & Vite React query Jest, React Testing Library, Playwright Production workloads on AWS using ECS & lambda serverless functions & event based architectures. Typed Python for APIs & Data. Flask & FastAPI We Postgres! About You This role will More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Angular/ node.js developer SC preferable

Leeds, West Yorkshire, England, United Kingdom
Opus Recruitment Solutions Ltd
key Angular and Node.js experience: Looking for a full stack engineer and more of a front-end engineer to help with our angular migration. CI/CD, node.js, express, jest testing, and angular over any other frontend framework. Strong focus on Angular over React. Looking to containerise potentially and move to EKS2 later next year, so Kubernetes experience is desirably More ❯
Employment Type: Contractor
Rate: £400 per day
Posted:

Automation QA Engineer - AWS

London, United Kingdom
N Consulting Limited
such as Lambda, EventBridge, and SQS. This role involves designing and implementing automated tests to ensure the quality and reliability of our cloud-based applications. Requirements : Java, Java Springboot , JEST ( good to have ) , typescript ( good to have) , AWS services knowledge ( Lambda, kinesis stream, SQS, Eventbridge) , BDD framework cucumber ( good to have ), CI/CD pipelines and DevOps practices. Key Responsibilities More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Automation QA Engineer with AWS

London, United Kingdom
N Consulting Limited
such as Lambda, EventBridge, and SQS. This role involves designing and implementing automated tests to ensure the quality and reliability of our cloud-based applications. Requirements : Java, Java Springboot , JEST ( good to have ) , typescript ( good to have) , AWS services knowledge ( Lambda, kinesis stream, SQS, Eventbridge) , BDD framework cucumber ( good to have ), CI/CD pipelines and DevOps practices. Key Responsibilities More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Frontend Developer

Manchester, United Kingdom
Hybrid / WFH Options
Adria Solutions Ltd
Support: Use the provided tools to create user-friendly interfaces. Continuous Learning: Embrace a culture of continuous learning and innovation. Your Profile: Technical Skills: Experience in React Native, Typescript, Jest & Detox, and Node.js. Communication Skills: Convey complex problems to team members. Agile and Lean Principles: Experience with agile and lean ways of working. If you're ready to shape digital More ❯
Employment Type: Permanent
Salary: £45000 - £55000/annum
Posted:

Front-End Developer

Manchester, North West, United Kingdom
Hybrid / WFH Options
Adria Solutions
Support: Use the provided tools to create user-friendly interfaces. Continuous Learning: Embrace a culture of continuous learning and innovation. Your Profile: Technical Skills: Experience in React Native, Typescript, Jest & Detox, and Node.js. Communication Skills: Convey complex problems to team members. Agile and Lean Principles: Experience with agile and lean ways of working. If you're ready to shape digital More ❯
Employment Type: Permanent, Work From Home
Salary: £55,000
Posted:

Mobile Application Developer with Security Clearance

Gwynn Oak, Maryland, United States
KOAR Cloud Solutions
and app performance optimization. Testing & Quality Assurance: Develop unit tests and integration tests to ensure code quality and robustness. Implement automated testing for mobile applications with frameworks such as Jest, XCTest, or Flutter Test. CI/CD Pipeline Integration: Set up CI/CD pipelines using GitHub Actions, GitLab CI, or Bitrise to automate builds, testing, and deployment for mobile More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Backend Engineer/Golang, NodeJS, AWS, Solana

London, United Kingdom
SOLANA FOUNDATION
gRPC + protobuf, NATS, SQS Frameworks & Tools: Fiber, Express, Gin, Docker, AWS Amplify (plus) AWS Services: Lambda, ECS, ECR, RDS, CloudWatch, SQS, SNS, SES, Cognito, Redis, S3, CloudFront Testing: Jest, wire-mock, localstack Blockchain: Solana (Helius, Anchor framework, SPL token, Token 2022), Ethereum Monitoring: DataDog, CloudWatch Requirements 4+ years of backend development experience. Production experience with GoLang (preferred) and NodeJS. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Mobile Engineer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Matched Group
ecosystem differences. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯
Employment Type: Full-Time
Salary: £80,000 - £95,000 per annum
Posted:

Senior PHP Engineer

London, United Kingdom
Hybrid / WFH Options
Lendable
Tech Stack Backend PHP 8 Symfony AWS MySQL RabbitMQ Docker Kubernetes Other Jenkins and Github Actions - we deploy to production as soon as we finish a feature Behat, PHPUnit, Jest, Selenium and Detox for automated testing What we're looking for Strong, modern PHP development experience (PHP 8.0+ is a must) A good understanding of a modern PHP framework like More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff PHP Engineer

London, United Kingdom
Hybrid / WFH Options
Lendable
Tech Stack Backend PHP 8 Symfony AWS MySQL RabbitMQ Docker Kubernetes Other Jenkins and Github Actions - we deploy to production as soon as we finish a feature Behat, PHPUnit, Jest, Selenium and Detox for automated testing What we're looking for Strong, modern PHP development experience (PHP 8.0+ is a must) A good understanding of a modern PHP framework like More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Midlevel Backend Engineer

Sheffield, Yorkshire, United Kingdom
Bumper
systems in a production environment 4+ years' experience with Python and Django Strong knowledge of SQL databases and experience optimising database performance Experience with CI/CD, testing frameworks (Jest, React Testing Library), or design Understanding of software design principles and experience building REST APIs Proficiency in Git and version control best practices Focus on performance, accessibility, and user experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer

London, United Kingdom
SOLANA FOUNDATION
you have: 5+ years of experience in frontend teams, ideally using ReactJS, JavaScript/TypeScript and NextJS in a full stack environment Experience with testing with tools such as Jest, React Testing Library, Playwright Natural ability to write clean and elegant code whilst being diligent and pragmatic in equal measure Experience utilising all the latest cloud, CI/CD, APIs More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Implementation Engineer

London, United Kingdom
Hybrid / WFH Options
Limio Ltd
self-sufficient in using the Limio platform and resolving common technical issues. The Technology Our applications, managed by the separate Roadmap team, run on the following tech stack: Testing: Jest, React Testing Library, Mock Service Worker APIs: REST DevOps: AWS Serverless Technologies, Terraform, Docker About You You should apply if: You have at least 6 months of professional experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Test Engineer - Cloud - REMOTE with Security Clearance

Washington, Washington DC, United States
Hybrid / WFH Options
ASD, Inc
bug fixes and perform regression testing to ensure stability Test Automation Develop and maintain automated test scripts using Python-based testing frameworks (pytest, unittest) Build React component testing using Jest and React Testing Library Build and enhance automated test suites for CI/CD pipelines running on AWS infrastructure Perform API testing for Python backend services using tools like pytest … Experience with Python testing frameworks (pytest, unittest, requests for API testing) • Proficiency in JavaScript/TypeScript for React component testing and end-to-end testing • Experience with testing frameworks: Jest, React Testing Library, Cypress, Selenium • Understanding of RESTful APIs and Python web frameworks (Django, Flask, FastAPI) • Knowledge of AWS services and cloud testing strategies (EC2, S3, Lambda, RDS, CloudFormation) • Experience … state management (Redux, Context API) • Understanding of Agile/Scrum methodologies • Previous experience in a startup or fast-paced environment Tools & Technologies We Use • Frontend: React, TypeScript/JavaScript, Jest, React Testing Library • Backend: Python, pytest, unittest, requests • End-to-End Testing: Cypress, Selenium • Cloud Infrastructure: AWS (EC2, S3, Lambda, RDS, CloudWatch, API Gateway) • CDN & Performance: Cloudflare • CI/CD More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Design System Engineer (UI) - AI SaaS Unicorn

London Area, United Kingdom
Hybrid / WFH Options
Stax - Deeptech Talent
visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand support Mastery of React + TypeScript More ❯
Posted:

Senior Design System Engineer (UI) - AI SaaS Unicorn

City of London, London, United Kingdom
Hybrid / WFH Options
Stax - Deeptech Talent
visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand support Mastery of React + TypeScript More ❯
Posted:

Senior Design System Engineer (UI) - AI SaaS Unicorn

london, south east england, united kingdom
Hybrid / WFH Options
Stax - Deeptech Talent
visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand support Mastery of React + TypeScript More ❯
Posted:

Senior Design System Engineer (UI) - AI SaaS Unicorn

slough, south east england, united kingdom
Hybrid / WFH Options
Stax - Deeptech Talent
visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand support Mastery of React + TypeScript More ❯
Posted:

Senior Design System Engineer (UI) - AI SaaS Unicorn

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Stax - Deeptech Talent
visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8+ years in large-scale web apps, 2+ in design-system architecture Strong perspective on tokens, theming, multi-brand support Mastery of React + TypeScript More ❯
Posted:

Senior Frontend Engineer

London, United Kingdom
Hybrid / WFH Options
Mintago
with a strong understanding of React Experienced with NextJS, preferably app router You consider unit testing a key part of software delivery You have used testing libraries such as Jest or Vitest and React Testing Library A drive to collaborate with the team and share your opinions to push our technology forwards Skills that are a nice to have TailwindCSS More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Frontend Engineer - Electroverse

London, United Kingdom
Hybrid / WFH Options
Octopus Group
problems. Someone who can challenge those around them, and be challenged, while delivering delightful experiences for our internal and external customers. Our stack React TypeScript Next.js GraphQL & Apollo Tailwind Jest & React Testing Library Why else you'll love it here Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Jest
10th Percentile
£46,375
25th Percentile
£52,500
Median
£62,500
75th Percentile
£82,188
90th Percentile
£93,778