Part-Time Jest Jobs in England

1 to 25 of 27 Part-Time Jest Jobs in England

Senior Software Engineer - Content & Personalisation

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
/asset delivery APIS. Experience of developing and maintaining infrastructure as code. Experience with unit, integration, and end to end testing tools and practices (Jest, Playwright). Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews and following More ❯
Employment Type: Permanent, Part Time
Salary: £75,000
Posted:

Web Architect (City of London)

City of London, Greater London, UK
Allen Lane
API Design : RESTful APIs, OpenAPI/Swagger, GraphQL CMS : Experience with various CMS platforms; headless CMS integration (e.g., Contentful, Sanity, Strapi) Testing : Automated testing (Jest, Mocha, Selenium), TDD, BDD, integration and load testing Observability : Logging, tracing, monitoring tools (e.g., Sentry, Datadog, New Relic) System Architecture : Designing scalable, secure, and maintainable More ❯
Employment Type: Part-time
Posted:

Frontend Developer (Hampshire)

Hampshire, UK
Hybrid / WFH Options
Shaw Daniels Solutions
etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for modern front-end development. Experience with testing frameworks (Jest, Mocha, Cypress, Playwright). Strong problem-solving and analytical skills. Ability to work in an Agile/Scrum environment and collaborate across teams. Strong communication More ❯
Employment Type: Part-time
Posted:

Full Stack Engineer (Reading)

Holybrook, Berkshire, UK
measurable.energy
React or Svelte Working knowledge of relational databases like PostgreSQL Experience with Git and CI/CD pipeline tools Familiarity with testing frameworks (e.g., Jest, Mocha, PyTest, Cypress, or similar) Understanding of Agile methodologies and tools like Jira Nice-to-Have Skills Working knowledge of C#/.NET ecosystems. Experience More ❯
Employment Type: Part-time
Posted:

Lead Front-End Product Developer (London Area)

London, UK
Hybrid / WFH Options
Futuria
Ability to build dynamic dashboards and complex interactive UIs Familiarity with preprocessors (Sass, LESS) and build tools (Webpack, Gulp) Experience with testing frameworks like Jest or Mocha Strong skills in optimizing front-end performance Success Metrics Deliver high-quality, responsive UI components that elevate the overall user experience Maintain a More ❯
Employment Type: Part-time
Posted:

Lead Front-End Product Developer (City of London)

City of London, Greater London, UK
Hybrid / WFH Options
Futuria
Ability to build dynamic dashboards and complex interactive UIs Familiarity with preprocessors (Sass, LESS) and build tools (Webpack, Gulp) Experience with testing frameworks like Jest or Mocha Strong skills in optimizing front-end performance Success Metrics Deliver high-quality, responsive UI components that elevate the overall user experience Maintain a More ❯
Employment Type: Part-time
Posted:

Senior Frontend Developer (City of London)

City of London, Greater London, UK
RE Partners
Grid for complex data visualization. Angular : Component architecture, services, dependency injection, and NgRx (preferred). Testing Strong experience with unit testing tools: React : Vitest, Jest, React Testing Library Angular : Jasmine, Karma, TestBed E2E Testing : Experience with Playwright Tooling Experience with: Static code analysis tools (ESLint, Prettier, Sonar) Source control (Git More ❯
Employment Type: Part-time
Posted:

Software Engineer (London)

London, UK
Stellar Fusion
with AWS services like EC2, Lambda, S3, and CloudWatch Comfortable designing and working with RESTful APIs Hands-on experience with testing frameworks such as Jest , Mocha , or similar Understanding of CI/CD pipelines and modern DevOps practices Strong problem-solving and debugging abilities Excellent communication and teamwork skills A More ❯
Employment Type: Part-time
Posted:

React Developer - RTK Query (City of London)

City of London, Greater London, UK
Hybrid / WFH Options
The JM Longbridge Group
and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for More ❯
Employment Type: Part-time
Posted:

React Developer - RTK Query (London Area)

London, UK
Hybrid / WFH Options
The JM Longbridge Group
and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for More ❯
Employment Type: Part-time
Posted:

Senior React Developer (Staines-Upon-Thames)

Staines-upon-Thames, Surrey, UK
Hybrid / WFH Options
Spectrum IT Recruitment
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 More ❯
Employment Type: Part-time
Posted:

Front-End Developer (London Area)

London, UK
Infinite Talent
designers to transform wireframes and prototypes into functional, responsive interfaces using Tailwind CSS for styling. Write automated tests using tools such as Cypress or Jest to ensure functionality and prevent regressions. Contribute to the continuous improvement of team workflows and coding standards. Experience Required Proven experience with web applications. Knowledge More ❯
Employment Type: Part-time
Posted:

Front-End Developer (City of London)

City of London, Greater London, UK
Infinite Talent
designers to transform wireframes and prototypes into functional, responsive interfaces using Tailwind CSS for styling. Write automated tests using tools such as Cypress or Jest to ensure functionality and prevent regressions. Contribute to the continuous improvement of team workflows and coding standards. Experience Required Proven experience with web applications. Knowledge More ❯
Employment Type: Part-time
Posted:

Full Stack Developer (Typescript/NodeJs) (City Of Bristol)

Bristol, UK
Hybrid / WFH Options
Mezze Software
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 More ❯
Employment Type: Part-time
Posted:

Software Engineering Manager (Manchester Area)

Manchester, UK
Tenth Revolution Group
e.g., Docker, Kubernetes). Knowledge of state management libraries (e.g., Redux, MobX). Familiarity with Agile/Scrum methodologies. Exposure to testing frameworks (e.g., Jest, NUnit) and test-driven development (TDD) What We Offer: A dynamic and inclusive work environment. Opportunities for professional growth and career advancement. Competitive salary and More ❯
Employment Type: Part-time
Posted:

Full Stack Engineer (London Area)

London, UK
ONMO
with performance and memory tuning tools. 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 More ❯
Employment Type: Part-time
Posted:

Full Stack Engineer (City of London)

City of London, Greater London, UK
ONMO
with performance and memory tuning tools. 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 More ❯
Employment Type: Part-time
Posted:

Sr Software Engineer - Full Stack (London Area)

London, UK
POSTX
version control systems, particularly Git . Familiarity with cloud platforms ( Vercel , Google Cloud/AWS preferred ) and containerisation. Experience with test frameworks such as Jest/supertest. What We’re Looking For Strong problem-solving skills and attention to detail . Excellent communication and teamwork abilities. Ability to manage time More ❯
Employment Type: Part-time
Posted:

Sr Software Engineer - Full Stack (City of London)

City of London, Greater London, UK
POSTX
version control systems, particularly Git . Familiarity with cloud platforms ( Vercel , Google Cloud/AWS preferred ) and containerisation. Experience with test frameworks such as Jest/supertest. What We’re Looking For Strong problem-solving skills and attention to detail . Excellent communication and teamwork abilities. Ability to manage time More ❯
Employment Type: Part-time
Posted:

Full Stack Developer (Hampshire)

Hampshire, UK
Shaw Daniels Solutions
meta framework (Next.js, Remix, Astro) Developing REST and/or GraphQL web services and APIs (C# and Node.js) Writing both Unit and E2E tests (Jest, Playwright) Working with and deploying to cloud platforms (Azure) Developing for SaaS, PaaS and/or e-commerce applications Writing integrations to third-party services More ❯
Employment Type: Part-time
Posted:

Lead Java Developer (London Area)

London, UK
Hybrid / WFH Options
Tata Consultancy Services
KMS, Secrets Manager, Parameter Store, S3), Java11+, Spring, jUnit. Proficiency in scripting languages such as PowerShell and Python. Knowledge in containerization (Docker), Maven, Node, Jest, TypeScript, Test Automation, QA, Cucumber, Postgres. Desirable skills/knowledge/experience: Experience in front end technologies. Experience in using agile tools like rally. Knowledgeable More ❯
Employment Type: Part-time
Posted:

Lead Java Developer (City of London)

City of London, Greater London, UK
Hybrid / WFH Options
Tata Consultancy Services
KMS, Secrets Manager, Parameter Store, S3), Java11+, Spring, jUnit. Proficiency in scripting languages such as PowerShell and Python. Knowledge in containerization (Docker), Maven, Node, Jest, TypeScript, Test Automation, QA, Cucumber, Postgres. Desirable skills/knowledge/experience: Experience in front end technologies. Experience in using agile tools like rally. Knowledgeable More ❯
Employment Type: Part-time
Posted:

Frontend Developer (London Area)

London, UK
trg.recruitment
Frontend Engineer (GreenTech) - Typescript, React.js, Tailwind CSS, RESTful API's, Testing - Cypress/Jest, Complex Design & Architecture, Problem Solving! We're hiring for a GreenTech scale up who have recently secured huge PE funding and are looking for a Frontend Engineer who's owned the delivery of complex internal and More ❯
Employment Type: Part-time
Posted:

Frontend Developer (City of London)

City of London, Greater London, UK
trg.recruitment
Frontend Engineer (GreenTech) - Typescript, React.js, Tailwind CSS, RESTful API's, Testing - Cypress/Jest, Complex Design & Architecture, Problem Solving! We're hiring for a GreenTech scale up who have recently secured huge PE funding and are looking for a Frontend Engineer who's owned the delivery of complex internal and More ❯
Employment Type: Part-time
Posted:

Javascript Developer (Kidderminster)

Kidderminster, Worcestershire, UK
Hybrid / WFH Options
Network IT Recruitment Limited
CSS design frameworks Version control with Git React.js Developer - desirable experience Experience with GraphQL for flexible data querying Familiarity with frontend testing frameworks like Jest or React Testing Library Domain knowledge in ERP systems, order processing, or inventory The successful React.js Developer will be offered a starting salary of More ❯
Employment Type: Part-time
Posted:
Jest
England
10th Percentile
£47,500
25th Percentile
£55,000
Median
£65,000
75th Percentile
£83,750
90th Percentile
£140,677