76 to 100 of 141 Jest Jobs

Lead Frontend Engineer

Location
United Kingdom
CQRS to manage complex workflows. PostgreSQL and Marten handle data persistence, while RabbitMQ powers our messaging layer. We maintain quality through automated testing with Jest, xUnit, and TestCafe. Infrastructure Kiplot runs on AWS with Kubernetes orchestration , using Docker containers and Terraform for infrastructure as code. GitLab handles our CI/ ...

Software Developer (Node.js & Angular)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 70,000 Annual
Front End applications using Angular and TypeScript Write clean, maintainable and well-tested code using modern engineering practices Build and maintain automated tests using Jest Contribute to CI/CD pipelines using GitLab CI/CD Support cloud-native deployments using AWS and container technologies Participate in architecture discussions, code … developing applications with Node.js Excellent JavaScript and TypeScript knowledge Experience building REST APIs using Express.js Commercial Angular development experience Experience writing automated tests using Jest Experience using GitLab CI/CD Understanding of Agile software delivery Experience working with Git Desirable Skills Experience with some of the following technologies would ...

Frontend Developer

Hiring Organisation
MRJ Recruitment
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
stages of a project through to development and release. The tech React JavaScript/TypeScript Next.js HTML/CSS/SCSS Tailwind REST APIs Jest Git What they're looking for Commercial Front-End development experience Strong React and JavaScript experience Good understanding of modern web development Comfortable working with ...

Node Software Developer

Hiring Organisation
Matched Group
Location
Reading, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
with NestJS Experience in a fast-paced or high growth environment Experience with GIT, Docker, VS Code Experience with unit and integration testing using Jest Understanding of CI/CD principles. Experience working with SQL and/or NoSQL databases Strong problem solver Excellent written and verbal communication skills ...

Frontend Architect - React AI

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
reactive programming paradigms Architecture: Strong understanding of micro-frontends and Single Page Applications (SPA) Testing: Hands-on experience with React Testing Library/Jest for unit and integration testing UI Automation (Good to Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading ...

Frontend Architect - React AI

Location
Slough, England, United Kingdom
reactive programming paradigms Architecture: Strong understanding of micro-frontends and Single Page Applications (SPA) Testing: Hands-on experience with React Testing Library/Jest for unit and integration testing UI Automation (Good to Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading ...

Frontend Architect - React

Location
City Of London, England, United Kingdom
reactive programming paradigms Architecture: Strong understanding of micro-frontends and Single Page Applications (SPA) Testing: Hands-on experience with React Testing Library/Jest for unit and integration testing UI Automation (Good to Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading ...

Principal Front End Developer React - Consultancy

Hiring Organisation
Client Server
Location
London, UK
Employment Type
Full-time
with modern CSS techniques (Flexbox, Grid) and frameworks like SASS, Material UI and BootstrapYou have experience with Redux, Webpack and modern testing frameworks like Jest, Mocha or EnzymeYou have a thorough understanding of the software development lifecycle, and are familiar with DevOps, CI/CD pipelines and Containerisation (Docker/ ...

Senior Software Engineer

Location
Manchester, England, United Kingdom
experience building scalable front-end and back-end applications. Experience mentoring engineers and promoting engineering best practices. Strong testing experience with tools such as Jest and Playwright. Cloud experience with AWS (preferred), Azure, or GCP. Experience maintaining CI/CD pipelines. Bonus points for: Kubernetes, VoIP, or WebRTC experience. This ...

Software Engineer

Location
Portsmouth, England, United Kingdom
Front-end frameworks: Vue.js and React.js APIs: GraphQL and REST Databases: MSSQL, MySQL and PostgreSQL Git and version control best practices Testing frameworks (PHPUnit, Jest, Cucumber) Agile methodologies without the ceremony - we take a very lean approach Docker CI/CD and cloud hosting Architecture scalability performance tuning Education ...

Full-Stack Software Engineer III

Hiring Organisation
Elsevier
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
open to discussing and honing approaches for our team to improve our working practices Have some experience of test-driven development and mocking libraries (Jest, Mockito) Be familiar with collaborative documentation tools (Jira and Confluence) Have some real knowledge of Agile practices and execution (Scrum, Kanban) Wanting to learn ...

Product Engineer

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
data development Flask and FastAPI React with Typescript and Vite AWS services including ECS, Lambda and event-driven architectures Postgres React Query Jest, React Testing Library and PlaywrightThis role is particularly well suited to an individual who naturally considers the broader product impact of their work and enjoys collaborating closely ...

Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, UK
Employment Type
Full-time
Docker, Kubernetes, OpenShift)Infrastructure as Code (Terraform, Ansible)Data & Search TechnologiesRelational Databases (e.g. PostgreSQL)Elasticsearch/OpensearchTesting & QualityUnit testing and automationTesting frameworks (e.g. Mocha, Jest, Cypress)Delivery & CollaborationExperience working in an Agile delivery teamUse of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processesPlease ensure ...

Full-stack Lead Software Engineer — Application Owner

Location
Greater London, England, United Kingdom
integration/continuous delivery pipelines, and operational support Strong proficiency in frontend development with React, including state management and testing with frameworks such as Jest or React Testing Library Advanced knowledge of backend development using Node.js and TypeScript to build RESTful APIs, along with strong experience writing and maintaining comprehensive ...

Software Engineer 3

Location
Grimsby, England, United Kingdom
infrastructure experience, preferably AWS using IaC Experience with Git version control and CI/CD pipelines (CircleCI) Experience with automated testing frameworks such as Jest and Vitest. Familiarity with agile development, both Kanban and Scrum Some knowledge of SQL and NoSQL databases, Postgres, DynamoDB, Redis, etc. Strong debugging skills, ideally ...

IAM Product Engineer

Location
Greater London, England, United Kingdom
spec-driven planning and automated log analysis to CI/CD validation. Our Stack NodeJS, React, Typescript, Mongo, GitHub, Kubernetes, AWS, Vercel, Circle CI, Jest Interviewing Process We appreciate your time, your interest in the company and dedication during the interviewing process. We'll do our best to move quickly ...

Full-stack Lead Software Engineer Application Owner

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
integration/continuous delivery pipelines, and operational support Strong proficiency in frontend development with React, including state management and testing with frameworks such as Jest or React Testing Library Advanced knowledge of backend development using Node.js and TypeScript to build RESTful APIs, along with strong experience writing and maintaining comprehensive ...

Senior AI Quality Engineer

Hiring Organisation
Lendable
Location
London, UK
Employment Type
Full-time
institutional) or other regulated environmentsOur tech stackFrontend: TypeScript, React, React NativeBackend: PHP (Symfony), Kotlin, AWS, Postgres, RabbitMQ, Docker, KubernetesTesting: PHPUnit, Behat, JUnit, Kotest, Jest, Maestro, K6Tooling and observability: GitHub, GitHub Actions, Jira, Confluence, Datadog, Sentry, GrafanaWhy join? See your work matter: Our products are used by millions of customers ...

Front End Developer (Node.js/Angular/AWS)

Location
Newcastle upon Tyne, England, United Kingdom
Front End applications using Angular and TypeScript Write clean, maintainable and well-tested code using modern engineering practices Build and maintain automated tests using Jest Contribute to CI/CD pipelines using GitLab CI/CD Support cloud-native deployments using AWS and container technologies Participate in architecture discussions, code … improve application performance, scalability and reliability Strong commercial experience developing applications with Node.js Experience building REST APIs using Express.js Experience writing automated tests using Jest Experience using GitLab CI/CD Understanding of Agile software delivery Experience working with Git Experience with some of the following technologies would be advantageous ...

Node Developer

Location
Greater London, England, United Kingdom
About Us Solirius Reply, part of the Reply Group, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever‐changing ...

Backend Software Engineer

Hiring Organisation
Matched Group
Location
Reading, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
microservice solutions Experience in a fast-paced or high growth environment Experience with GIT, Docker, VS Code Experience with unit and integration testing using Jest Understanding of CI/CD principles. Experience working with SQL and/or NoSQL databases Strong problem solver Excellent written and verbal communication skills ...

Frontend Developer (Vue.js & React)

Location
Greater London, England, United Kingdom
Livewire Knowledge of Next.js or Nuxt.js Experience with WebSockets and real-time applications Understanding of web accessibility (WCAG) standards Experience with testing frameworks (Jest, Vitest, Cypress) Familiarity with UI/UX design principles Experience building interactive interfaces and modern UIs Competitive salary based on experience Latest development equipment and tools ...

Frontend Developer

Hiring Organisation
Digital Gurus
Location
Manchester Area, United Kingdom
development Familiarity with Tailwind CSS, build tools (Webpack, Gulp, linters) and Git A commitment to clean, maintainable code, including unit testing with frameworks like Jest Experience with headless CMS platforms (Contentful, ContentStack) and component libraries/design systems Comfort working within Agile teams (Scrum/Kanban) Strong communication skills ...

Frontend Engineer

Location
Reading, England, United Kingdom
quality UI components Translating designs into responsive and accessible interfaces Integrating with backend services via REST APIs Writing automated tests using tools such as Jest and React Testing Library Deploying frontend applications into production Monitoring frontend performance and quality Contributing through code reviews and pair programming Working closely with Product ...

React Native Engineer

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
.Bonus Points: Experience with Redux, GraphQL, or other state management libraries. Background working with SaaS or FinTech applications. Familiarity with mobile testing frameworks like Jest or Detox. Experience with cloud services and mobile deployment pipelines. Location: Hybrid (2 days per week onsite in London ...