6 of 6 Jest Jobs in Central London

Technical Lead - Head of Engineering - 2 Days Peterborough or London

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Toolkit Frontend HTML5, CSS3, JavaScript (ES6+), TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure ...

Software Engineer, Frontend

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
/REST APIs Knowledge of the web platform, including HTML, CSS and Browser APIs Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Understanding of CI/CD practices and deployment pipelines Proficient in using version control systems (Git) Nice to have: Experience with design systems ...

Principal Full Stack Engineer React, C#, MySQL, AWS, SaaS

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Gateway, SQS/SNS, Step Functions, S3, IAM) to deliver secure, event-driven systems. Embed testing-first practices (TDD/BDD, contract tests, Jest/RTL, Playwright/Cypress, xUnit/NUnit) to raise code quality. Implement modern CI/CD (GitHub Actions) and Infrastructure as Code (Terraform, CloudFormation ...

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 ...

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

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
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 ...

Lead Software Engineer, React Native

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
bridging in React Native Familiarity with state management libraries (Zustand, Redux, MobX etc.) Experience with the testing pyramid and tools such as Vitest, Jest, React Native Testing Library, Maestro, Detox Nice to have: Experience with iOS (Objective-C, Swift) or Android (Java, Kotlin) native development. Experience with mobile release processes ...