19 of 19 Jest Jobs

Test Manager

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 Annual
services. Hands-on experience with test automation frameworks across API, UI, and service layers (eg, RestAssured, Postman/Newman, Cypress, Playwright, Selenium, JUnit, Jest). Experience integrating automated testing into CI/CD pipelines (GitHub Actions, Jenkins, Azure DevOps, GitLab CI). Strong understanding of non-functional testing, including performance ...

Lead Software Engineer (Node)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £525 per day + Inside IR-35
experience with Node.js API development using REST and OpenAPI Web application development using HAPI Database expertise across PostgreSQL , MongoDB , and Redis Unit testing with Jest and Lab Source control using Git Cloud platform experience in AWS and/or Azure Containerisation technologies including Docker , Kubernetes , and ECS CI/ ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Location
Bexley, South East London, United Kingdom
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Full Stack Engineer (Python, React and AWS)

Hiring Organisation
Brio Digital
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
tested at interview. React: * Strong hands-on React with TypeScript * Micro Frontends using Module Federation * Reusable components, state and API data handling * Testing with Jest, React Testing Library or Cypress * Accessibility and performance Python: * Strong hands-on Python building production services * APIs consumed by React front ends * Serverless Python ...

Lead Full-Stack Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
United Kingdom
Employment Type
Permanent
Salary
£85,000
Automation: Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing: Experience with automated testing frameworks (e.g. Jest, XUnit) and best practices for ensuring code quality. DevOps Practices: Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication: Able to confidently ...

Lead Full-Stack Software Engineer

Location
London, United Kingdom
Automation: Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing: Experience with automated testing frameworks (e.g. Jest, XUnit) and best practices for ensuring code quality. DevOps Practices: Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication: Able to confidently ...

Principal Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing and automation/Testing frameworks (e.g. Mocha, Jest, Cypress) Experience working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training ...

Senior AI Consultant - Agentic AI & Generative AI

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
environments. Strong Python (3.10+), TypeScript, JavaScript (ES6+), SQL and Bash. Front-end: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress plus AI product UX patterns such as streaming, review loops, provenance/citations, long-running tasks and error recovery. Back-end: Django (5.x+ ...

Software Engineer

Hiring Organisation
Vaco LLC
Location
Tampa, Florida, United States
Employment Type
Permanent
Salary
USD Annual
integrations, or workflow automation solutions Technology Environment Frontend & Mobile React Native React TypeScript JavaScript Backend Node.js REST APIs Data & Cloud MongoDB AWS Testing & DevOps Jest Playwright CI/CD Pipelines Git Mobile Android Google Play Console Mobile Release Management Why Consider This Opportunity? New growth position with significant technical ownership ...

Senior Consultant - Agentic AI / Generative AI

Hiring Organisation
Capgemini
Location
Cheshire West and Chester, United Kingdom
Employment Type
Full Time
projects demand. Languages & Frameworks: Python (3.10+), TypeScript, JavaScript (ES6+), SQL, Bash · Frontend: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress. Build AI product UX patterns (streaming, review loops, provenance/citations, long-running tasks, error-recovery Backend: Django (5.x+), DRF, FastAPI, Pydantic, Celery, Django ...

Software Engineer

Hiring Organisation
Bright Purple
Location
Remote UK, Bath, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £475/day
frontend security Clear communication and the ability to explain technical choices to technical and non-technical people Nice to have Design system experience Jest, Jasmine, Cypress, Playwright or similar NgRx or Angular signals Web performance optimisation and tools such as Sentry Docker, AWS and modern deployment pipelines Experience in agile ...

Senior UI/Next.js Developer

Hiring Organisation
Dns Info Ltd
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35 Annual
Redux, Zustand, Context API or similar state-management frameworks. Experience with Next.js SSR, SSG and ISR. Experience with Front End testing frameworks such as Jest, React Testing Library or Cypress. Experience with CI/CD and cloud-based application deployment. Understanding of web performance optimization and accessibility standards. Experience Level ...

React Native Developer

Hiring Organisation
Colossus Recruitment Ltd
Location
Sutton Coldfield, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
Services (EAS Build). Over-the-Air (OTA) updates. Experience working with maps, location services, camera integrations or push notifications. Testing frameworks such as Jest or Playwright. Monitoring tools such as Sentry. Exposure to PHP or Laravel. Experience working within Agile teams using Jira. Experience leveraging AI tools to improve ...

Node Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Our client is a digital and technology consultancy. About Us: Our client, part of our client, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our ...

Software Engineer - React

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
applied experience Strong hands-on experience building enterprise web applications with React + TypeScript, including advanced component patterns. Strong experience with UI testing (e.g., Jest/React Testing Library and Cypress/Playwright) and systematic debugging/troubleshooting. Proven experience designing and delivering accessible, performant UIs (WCAG awareness, profiling, bundle ...

Angular Developer

Hiring Organisation
Techmorgonite Software Solutions LLC
Location
San Antonio, Texas, United States
Employment Type
Any
Salary
USD Annual
Responsibilities: Design, develop, and maintain enterprise grade SPAs using Angular v20+ Build reusable, modular UI components following best practices Implement unit testing using Jest and ensure high test coverage Consume and integrate REST APIs exposed by backend services Optimize UI performance, responsiveness, and cross browser compatibility Participate in code reviews … frontend development experience Strong hands on experience with Angular v20 or higher Proficiency in TypeScript, HTML5, CSS3, SCSS Solid experience in unit testing using Jest Experience in consuming RESTful APIs Strong understanding of component based architecture Experience working in Agile/Scrum teams. ...

Senior Software Engineer ()

Hiring Organisation
Placement Services USA, Inc
Location
San Francisco, California, United States
Employment Type
Any
Salary
USD 225,000 Annual
features using React and TypeScript, collaborating with design to implement usable and accessible interfaces. Write high-quality, well-tested, and maintainable code using RSpec, Jest, and CI/CD pipelines. Define and iterate on user workflows, feature requirements, and success metrics based on direct user feedback. Monitor, debug, and optimize … plus 5 years as software engineer. Experience must include demonstrated working knowledge of: Ruby on Rails, Sidekiq; PostgreSQL, Redis, Elasticsearch; React + Typescript; RSpec, Jest, Storybook, Chromatic; CircleCI, Jenkins, Datadog, Ansible, Terraform, Kubernetes; AWS ecosystem (ECS, S3, RDS, Redshift, Aurora, DynamoDB, and many others); LLM APIs and AI infrastructure ...

Senior Frontend developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
teams Making pragmatic technical decisions that balance delivery, quality, and maintainability Technology Stack React Next.js (App Router) TypeScript Tailwind CSS Component Design Systems Playwright Jest Vitest Git-based CI/CD pipelines Monitoring and observability tools Cloud-based infrastructure environments Essential Skills & Experience Strong commercial experience with React Proven expertise … Advanced TypeScript development experience Senior-level frontend engineering experience Experience working within large-scale frontend applications Strong testing background using tools such as Playwright , Jest , and Vitest Ability to work independently while collaborating effectively within agile squads Experience troubleshooting and resolving production issues Excellent communication and stakeholder management skills Desirable ...