1 to 25 of 43 Permanent Jest Jobs in England

Senior React Developer - SC Cleared

Hiring Organisation
NSD
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Modern JavaScript (ES6+), HTML5 and CSS3. State management libraries such as Redux or Context API. REST APIs and asynchronous programming. Testing frameworks such as Jest and React Testing Library. Git and collaborative development workflows. Agile/Scrum delivery environments. CI/CD pipelines and modern software engineering practices. Desirable experience ...

Senior Software Engineer - Identity & Authentication

Hiring Organisation
Vanguard
Location
Westminster abbey, United Kingdom
Terraform) • Experience with containerised workloads (Docker) • Strong Git practices and CI/CD experience (GitHub Actions or similar) • Experience writing unit and integration tests (Jest) Nice to Have • React experience for frontend development — preferred for any new UI work • Experience with identity, authentication, or MFA systems • Familiarity with Kong ...

Senior Software Engineer - Identity & Authentication

Hiring Organisation
17918
Location
Charing Cross, South West London, United Kingdom
Terraform) Experience with containerised workloads (Docker) Strong Git practices and CI/CD experience (GitHub Actions or similar) Experience writing unit and integration tests (Jest) Nice to Have React experience for frontend development preferred for any new UI work Experience with identity, authentication, or MFA systems Familiarity with Kong ...

Senior .Net Full Stack Developer

Hiring Organisation
Creative Recruitment
Location
Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
e.g. TeamCity) Strong experience using Git for version control Experience working with RESTful APIs (design and integration) Familiarity with testing frameworks (e.g. xUnit, NUnit, Jest, Jasmine) Experience with logging and monitoring tools (e.g. Elasticsearch, Sentry, Rollbar) Awareness of cloud technologies (AWS, Terraform, Cloudflare – desirable) About You Passionate about technology ...

Cloud Engineer

Hiring Organisation
Anson McCade
Location
Nottingham, England, United Kingdom
such as Lambda, DynamoDB, IAM, S3, SQS, SNS. Experience with CI/CD pipelines (Jenkins, GitHub Actions, CircleCI, etc.). Strong testing approach using Jest or similar frameworks. Good understanding of cloud security fundamentals (IAM, least privilege, secure design). Experience working in Agile, cross-functional engineering teams. AWS certification ...

Kotlin/JVM Software Engineer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
like React Native, AngularJS, Angular2, VueJS, SocketIO, Backbone, KnockoutJS, Svelte, and Bootstrap. Software testing tools – A good working knowledge in testing code using Mocha, Jest, Unit-tests, TDD, Karma, VCS, and Selenium (base). ...

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 ...

Software Engineer III- Front End- Web- JPM Personal Investing- Mid Level

Hiring Organisation
17918
Location
Charing Cross, West End, United Kingdom
problem-solving skills. Proactive communicator with owned assignments. Ability to manage time effectively and meet realistic deadlines. Experience with testing frameworks such as Jest or RTL. Understanding of build tools such as Webpack, Vite, Parcel. Understanding of Pre-processors such as SASS, CSS Modules, JS Compilation. Understanding of CI/ ...

Software Engineer III- Front End- Web- JPM Personal Investing- Mid Level

Hiring Organisation
17918
Location
Charing Cross, South West London, United Kingdom
problem-solving skills. Proactive communicator with owned assignments. Ability to manage time effectively and meet realistic deadlines. Experience with testing frameworks such as Jest or RTL. Understanding of build tools such as Webpack, Vite, Parcel. Understanding of Pre-processors such as SASS, CSS Modules, JS Compilation. Understanding of CI/ ...

Senior Digital Engineer (Java)

Hiring Organisation
Love2Shop
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent
accessibility (WCAG), and responsive design principles. Solid experience across the testing landscape, including unit, integration, and end-to-end testing using tools such as Jest, Detox, Cypress, Playwright, Selenium, JUnit, and Mockito with a strong commitment to test-driven development. Solid understanding of CI/CD pipelines, version control ...

QA Engineer

Hiring Organisation
E-Solutions
Location
London Area, United Kingdom
EventBridge Amazon Kinesis Data Streams API Gateway DynamoDB and S3 Experience testing event-driven and serverless architectures Test Automation & Tools Experience with: Automation frameworks (Jest framework, Java/Springboot, or similar) API testing tools (Postman, REST clients) Ability to: Create automated test suites Validate JSON-based inputs/outputs ...

Full-Stack Developer - AI-Assisted Development

Hiring Organisation
Spectrum It Recruitment Limited
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
similar server-side JavaScript/TypeScript environments REST APIs, ideally with Express, Nest.js or similar MongoDB and/or relational databases Unit testing with Jest or similar Working in a CI environment Clear communication and the ability to work well in a collaborative development team Useful experience AI-assisted development ...

Software Engineer

Hiring Organisation
Corpay
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
working with CI/CD pipelines using tools like GitHub Actions, CircleCI, or AWS CodePipeline. Familiarity with modern testing practices and tools (e.g., Jest, Vitest), including writing unit and integration tests. Basic understanding of secure development practices and familiarity with threat modelling and risk assessment techniques. Good time management ...

Senior Front-End Developer - 12 months - Contract

Hiring Organisation
Jobleads-UK
Location
Leeds, England, United Kingdom
Experience in building accessible compliant user interfaces (WCAG). Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha. Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices ...

Full Stack Developer

Hiring Organisation
Thomas Ren Associates
Location
London, UK
Employment Type
Full-time
deployment and ongoing maintenance \n Develop and maintain E-commerce ticketing platform \n\n Technologies/skills: \n \n Front End: React, JavaScript (Webpack, Jest), Next.js, HTML, CSS, Vite \n Back End: Node.js, SQL, PostgreSQL, Supabase, Python \n Development: Git, GitHub, Agile, Vercel; experience integrating third party APIs and platforms ...

Full Stack Developer

Hiring Organisation
Thomas Ren Associates
Location
South West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £40,000 per annum
maintain E-commerce ticketing platform, including API connectivity with third-party suppliers Must have skills and competencies: Proficiency in Front end: React, JavaScript (Webpack, Jest), Next.js, HTML, CSS, Vite Proficiency in Back end: Node.js, SQL, PostgreSQL, Supabase, Python Proficiency in Development: Git, GitHub, Agile, Vercel; experience integrating third-party APIs ...

Senior Software Engineer / Senior Full-Stack Engineer

Hiring Organisation
Raytheon
Location
Manchester, United Kingdom
Code (Terraform, Ansible) Data & Search Technologies Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Testing & Quality Unit testing and automation Testing frameworks (e.g. Mocha, Jest, Cypress) Delivery & Collaboration Experience working in an Agile delivery team Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes ...

Software Engineer / Full-Stack Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, United Kingdom
Code (Terraform, Ansible) Data & Search Technologies Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Testing & Quality Unit testing and automation Testing frameworks (e.g. Mocha, Jest, Cypress) Delivery & Collaboration Experience working in an Agile delivery team Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes ...

Senior Node.js Engineer

Hiring Organisation
17918
Location
Charing Cross, West End, United Kingdom
Javascript, Typescript, Node.JS and related backend technologies, frameworks. Exposure to a variety of JavaScript frameworks and libraries such as: Next.JS, React.JS and testing using Jest, Mocha.JS, Cucumber etc. Experience of using Node.js to create high traffic applications using Express.js, Sails, Koa or similar. Knowledge of microservices development and deployment ...

Senior Node.js Engineer

Hiring Organisation
17918
Location
Charing Cross, South West London, United Kingdom
Javascript, Typescript, Node.JS and related backend technologies, frameworks. Exposure to a variety of JavaScript frameworks and libraries such as: Next.JS, React.JS and testing using Jest, Mocha.JS, Cucumber etc. Experience of using Node.js to create high traffic applications using Express.js, Sails, Koa or similar. Knowledge of microservices development and deployment ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please ...

Senior Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Code (Terraform, Ansible) Data & Search Technologies Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Testing & Quality Unit testing and automation Testing frameworks (e.g. Mocha, Jest, Cypress) Delivery & Collaboration Experience working in an Agile delivery team Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes ...

Principal Software Engineer / Senior Full-Stack Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, United Kingdom
OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! xcunqrw Please ...

Software Team Lead

Hiring Organisation
Roke
Location
Gloucester, England, United Kingdom
bring (or Required Skills/Qualifications): Back‐end: Java (Spring Boot) and/or Go. Front‐end: React or Vue.js. Testing: JUnit/Jest/Cypress (or equivalent). Tooling: GitLab/Git, Docker, Kubernetes, Helm, GitLab CI/Argo CD/Jenkins, Jira/Confluence. Experience leading agile teams ...

Software Team Lead

Hiring Organisation
Roke
Location
Manchester Area, United Kingdom
bring (or Required Skills/Qualifications): Back‐end: Java (Spring Boot) and/or Go. Front‐end: React or Vue.js. Testing: JUnit/Jest/Cypress (or equivalent). Tooling: GitLab/Git, Docker, Kubernetes, Helm, GitLab CI/Argo CD/Jenkins, Jira/Confluence. Experience leading agile teams ...