26 to 50 of 168 Permanent Jest Jobs

Full Stack Engineer

Hiring Organisation
TESTQ Technologies
Location
Warwick, England, United Kingdom
teams Front End Skills · React (including good knowledge of hooks) · SWR for working with external REST APIs · Next.js · Styled Components · HTML, Modern JavaScript & CSS · Jest Back End Skills · C# · ASP.NET Core (v8+) · Entity Framework Core (v8+) · xUnit · SQL · Azure Data Factory (nice to have) · GitHub Actions (nice to have) · Terraform ...

Java AWS Developer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£80,000
Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee) Proficiency in AngularJS, Jenkins, Karate, Node 10, Groovy, Bash, Typescript. Knowledge of Gherkin, Cypress, Jest Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube AWS DevOps Engineer certification or above. Understanding of software development lifecycle. Ability to apply secure coding practices. ...

Senior UI Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
such as React or Vue.js Proven experience building institutional trading tools within financial markets FX trading systems experience highly advantageous Experience with testing frameworks (Jest, Cypress, etc.) and CI/CD pipelines Strong focus on performance optimisation and UI responsiveness Confident working directly with front-office stakeholders Bachelor's degree ...

Senior UI Developer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £150,000 per annum
such as React or Vue.js Proven experience building institutional trading tools within financial markets FX trading systems experience highly advantageous Experience with testing frameworks (Jest, Cypress, etc.) and CI/CD pipelines Strong focus on performance optimisation and UI responsiveness Confident working directly with front-office stakeholders Bachelor's degree ...

Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Frameworks: Express or NestJS APIs: REST, GraphQL Databases: PostgreSQL, MongoDB Infrastructure: Linux, Docker, CI/CD pipelines Cloud: AWS Messaging: Kafka or RabbitMQ Testing: Jest, Supertest You don't need experience with everything - strong Node.js fundamentals and a willingness to learn are key. What They're Looking For Commercial experience ...

Frontend Developer

Hiring Organisation
Unilink
Location
United Kingdom
Design Agile Use of REST APIs (JSON/XML) Modern Web Technologies (Angular, TypeScript, JavaScript, CSS3, HTML5) Unit and End-to-End Testing frameworks (Jest, Cypress) Why work for us Starting at 25 days annual leave + bank holidays 5% Pension Life insurance of x4 base salary Flexible working Ride ...

Senior Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Laravel), Python Frontend: JavaScript, TypeScript, React APIs: REST, GraphQL Databases: PostgreSQL, MySQL, Redis Infrastructure: Linux, Docker, Kubernetes, CI/CD Cloud: AWS Testing: PHPUnit, Jest, automated integration testing You don't need experience in everything - strong fundamentals and an interest in learning are far more important. What They're Looking ...

Software Engineer (UAS)

Hiring Organisation
Diamond Light Source
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
favourably, but these are not essential: Familiarity with Service-oriented & Microservices architecture Familiarity with Design tools (Figma, Sketch) Exposure to JavaScript testing frameworks e.g. Jest, Vitest, Cypress, Jasmine, etc. Knowledge of CI/CD techniques Experience with GraphQL, OpenAPi spec, JSON Schema & SQL/No SQL databases. Familiarity with MonoRepo ...

Senior Software Engineer (React)

Hiring Organisation
Fenergo
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 75,000 - 90,000 Annual
technologies and systems Key Expectations You have 5+ years' front-end experience with 3+ years React experience Strong experience writing unit and integration tests (Jest, React Testing Library, Cypress etc.) You have experience working in Agile environments Solid understanding of modern JavaScript (ES6+), TypeScript and CSS Experience creating reusable components ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Bracknell, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. ...

Senior / Lead Full Stack Developer

Hiring Organisation
Chameleon IT Solutions Limited
Location
East Anglia, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Next.js, modern UI principles. Backend: Node.js, ASP.NET (C#), Spatial Data Languages: JavaScript (ES6+), TypeScript, C# Databases: SQL Server, PostgreSQL, MongoDB. APIs: RESTful, GraphQL. Testing: Jest or similar frameworks. Cloud Infrastructure: DevOps/AWS/Github/Jira/Confluence/M365 Additional Requirements Excellent written and verbal communication skills Must ...

C# Developer

Hiring Organisation
Data Inc. (UK) Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
Salary
£80,000
driving projects independently. Clear understanding of security aspects like Subscription key, authentication, and authorization Unit testing tools experience (xunit, nunit, karma & jasmine or Jest) Good to have skills: Candidates with experience in Wealth Management domain preferred Docker Azure DevOps (CI/CD pipelines) Agile practices (Scrum/Kanban ...

Lead Java Developer

Hiring Organisation
Syntax Consultancy Ltd
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £85000/annum to £85k (DOE)
+ operation of Java software solutions with secure tools and environments. Technical Environment: Gitlab, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube, Karate, Gherkin, Cypress, Jest, Groovy, Bash, Typescript, Karate, Cypress. AWS Associate Developer accreditation preferred. Benefits: Salary to £85k (DOE) + Hybrid + 10% Bonus + Pension + 22 days ...

Senior Front-End JavaScript Engineer

Hiring Organisation
SF Recruitment (Tech)
Location
Wolverhampton, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
/lead front end engineer level - strong commercial experience of React - solid node.js experience - Historic HTML, CSS and JavaScript understanding - Unit testing experience (Cypress, Jest etc) - Typescript exposure This Senior Front End JavaScript Engineer will receive: - Starting salary of up to £85,000 - bonus scheme ...

Senior Front-End JavaScript Engineer

Hiring Organisation
SF Recruitment
Location
South West, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
/lead front end engineer level - strong commercial experience of React - solid node.js experience - Historic HTML, CSS and JavaScript understanding - Unit testing experience (Cypress, Jest etc) - Typescript exposure This Senior Front End JavaScript Engineer will receive: - Starting salary of up to £90,000 - Long term remote working (two days ...

Full Stack Engineer

Hiring Organisation
Paydock
Location
Manchester Area, United Kingdom
NoSQL databases (e.g., MongoDB). Understanding of API development and integration principles. Knowledge of software testing principles and experience with testing frameworks (e.g., Jest). Familiarity with microservices architecture is a plus. A relevant degree (Computer Programming, Engineering, etc.) or equivalent bootcamp experience. Don't miss out on this incredible ...

Back End Developer

Hiring Organisation
Unilink
Location
United Kingdom
Responsive Design Use of REST APIs (JSON/XML) Modern Web Technologies (Angular, TypeScript, JavaScript, CSS3, HTML5) Unit and End-to-End Testing frameworks (Jest, Cypress) Why work for us Starting at 25 days annual leave + bank holidays 5% Pension Life insurance of x4 base salary Flexible working Ride ...

Developer

Hiring Organisation
Radical Company
Location
England, United Kingdom
React.Native Docker basics for reproducible environments Vercel, Netlify or Render for deployments Static generation and site performance: Next.js ISR, caching, SEO optimisation Automated testing: Jest, Cypress/Playwright (end to end) Accessibility (a11y) What we offer A starting salary of £47,000 25 days holiday plus bank holidays A laptop ...

Software Development Team Lead

Hiring Organisation
Spectrum IT Recruitment
Location
Bracknell, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking for a role ...

Full Stack Developer

Hiring Organisation
ARC IT Recruitment
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 60,000 Annual
work with a variety of technologies. You'll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node.js, Jest, Cypress Ruby (non-Rails environment) - nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone who is: Proactive ...

Full Stack Developer

Hiring Organisation
ARC IT Recruitment Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
They work with a variety of technologies. Youll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node.js, Jest, Cypress Ruby (non-Rails environment) nice to have AWS: EC2, ECS, Lambda, S3, SQS Serverless.com Databases: MongoDB & PostgreSQL They are looking for someone ...

Frontend Software Engineer : React/TypeScript/JavaScript : Elite Trading Firm, London

Hiring Organisation
Hunter Bond
Location
London, UK
Employment Type
Full-time
code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They're Looking For Deep expertise with React and modern TypeScript/JavaScript Strong ...

Frontend Software Engineer : React/TypeScript/JavaScript : Elite Trading Firm, London

Hiring Organisation
Hunter Bond
Location
Slough, Berkshire, UK
Employment Type
Full-time
code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They're Looking For Deep expertise with React and modern TypeScript/JavaScript Strong ...

Senior ReactJS Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Fareham, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
Skills: HTML CSS TypeScript React JavaScript object model JavaScript preprocessors eg webpack, Rollup, Babel SCSS/LESS Knowledge of performance testing frameworks Mocha and Jest The company offers a competitive salary, exposure to new technology, career progression and a great working environment with a talented team. Interviews are being held ...

Senior Software Engineer (React Native)

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Permanent
Salary
£80,000
React. Proficient in mobile architecture, design patterns and scalable app decomposition. Hands-on experience with unit and integration testing using tools such as Jest, Detox and Testing Library. Strong understanding of state management (Redux, MobX) and integration with backend APIs. Knowledge of native mobile technologies such as Swift, SwiftUI, Kotlin ...