51 to 56 of 56 Jest Jobs in the South East

and Next.js , including server-side rendering and modern routing approaches. Confident working with cloud-based infrastructure and designing scalable systems. Comfortable writing tests and ensuring reliability through tools like Jest or Cypress . Able to balance speed with maintainability, and proactive about improving processes. Bonus Skills Familiarity with AWS or other serverless/cloud-native platforms. Experience with GraphQL. Understanding More ❯

be considered) • Expert-level proficiency in React, TypeScript, modern frontend frameworks and architectures • Strong understanding of state management, performance optimization, and scalable component-driven design • Experience with testing frameworks (Jest, Cypress, Playwright) • Comfort with open-source principles and contributions • Clear, confident communication in English (minimum C1, no heavy accents) • Ability to onboard quickly and deliver at startup pace • Proactive, independent More ❯

share your frontend expertise A problem solver to contribute to breaking down complex monolithic features into manageable, modern frontend components Experience with frontend testing frameworks, such as Vitest or Jest Desirable - Some experience working with .NET/C# and SQL Server Desirable - Experience of working in the telecoms and connectivity sector Work from our head office in Croydon, South London … consuming RESTful APIs Proficiency with modern frontend build pipelines and tools (e.g. Vite) Experience with Git for version control Familiarity with writing tests for React components (e.g. Vitest, RTL, Jest etc) Strong problem-solving abilities and attention to detail Excellent communication to share knowledge with other team members Nice to haves Knowledge of performance optimization techniques (e.g., lazy loading, code More ❯

share your frontend expertise A problem solver to contribute to breaking down complex monolithic features into manageable, modern frontend components Experience with frontend testing frameworks, such as Vitest or Jest Desirable - Some experience working with .NET/C# and SQL Server Desirable - Experience of working in the telecoms and connectivity sector Work from our head office in Croydon, South London … consuming RESTful APIs Proficiency with modern frontend build pipelines and tools (e.g. Vite) Experience with Git for version control Familiarity with writing tests for React components (e.g. Vitest, RTL, Jest etc) Strong problem-solving abilities and attention to detail Excellent communication to share knowledge with other team members Nice to haves Knowledge of performance optimization techniques (e.g., lazy loading, code More ❯

We re seeking a detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing, database validation using SQL, and ensuring cross-browser and cross-platform … Agile teams, you ll collaborate closely with developers and stakeholders to deliver reliable, high-quality software products. QA Engineer Key Skills & Competencies Test Automation: Hands-on experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating More ❯

We’re seeking a detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing, database validation using SQL, and ensuring cross-browser and cross-platform … Agile teams, you’ll collaborate closely with developers and stakeholders to deliver reliable, high-quality software products. QA Engineer – Key Skills & Competencies Test Automation: Hands-on experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating More ❯