along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting … management libraries (Redux, Zustand, Recoil, or similar), and responsive design. Familiarity with RESTful APIs, GraphQL , and integrating frontend applications with backend services. Hands-on experience with frontend testing frameworks (Jest, React Testing Library, Cypress) and ensuring high-quality, maintainable code. Knowledge of performance optimization, accessibility (WCAG), and cross-browser compatibility best practices. Strong collaboration skills, able to mentor junior engineers More ❯
along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting … management libraries (Redux, Zustand, Recoil, or similar), and responsive design. Familiarity with RESTful APIs, GraphQL , and integrating frontend applications with backend services. Hands-on experience with frontend testing frameworks (Jest, React Testing Library, Cypress) and ensuring high-quality, maintainable code. Knowledge of performance optimization, accessibility (WCAG), and cross-browser compatibility best practices. Strong collaboration skills, able to mentor junior engineers More ❯
along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting … management libraries (Redux, Zustand, Recoil, or similar), and responsive design. Familiarity with RESTful APIs, GraphQL , and integrating frontend applications with backend services. Hands-on experience with frontend testing frameworks (Jest, React Testing Library, Cypress) and ensuring high-quality, maintainable code. Knowledge of performance optimization, accessibility (WCAG), and cross-browser compatibility best practices. Strong collaboration skills, able to mentor junior engineers More ❯
Full Stack Engineer - Senior Location: Onsite Washington, DC Clearance: Active TS/SCI with CI Polygraph Employment Type: Full-time, salaried, with full benefits About the Company: Our customer is a mission-driven technology company transforming how the U.S. defense More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Sedulo
theming: Strengthen our Chakra UI theming solution for multi-client branding. Quality & testing: Maintain high Core Web Vitals, accessibility, and write robust unit/integration/E2E tests with Jest & Cypress. Agile collaboration: Work within Agile Scrum (stand-ups, planning, reviews, retrospectives); contribute to technical planning sessions and estimations. Stakeholder communication: Partner with designers, engineers, product, and clients/stakeholders … or similar). Excellent CSS/responsive/theming skills (Chakra UI a plus). Agile Scrum experience, including participation in technical planning/estimation. Testing: demonstrable experience building Jest unit/integration suites and Cypress E2E tests. Portfolio showcasing beautiful, user-centred, performant work. Clear communicator; collaborative, product-thinking mindset. Three.js or other advanced animation tools. Enterprise SaaS/ More ❯
Reston, Virginia, United States Hybrid / WFH Options
Insight Global, Inc
primarily front-end focused (70-95%) using JavaScript and Vue.js, with some backend work in Node.js and/or Python. Candidates should have strong testing experience with tools like Jest or VueTest, and familiarity with DevSecOps practices, including GitLab pipelines, SonarQube, and Twistlock. Must Haves: • Active TS/SCI security clearance • 5+ years of overall IT experience, including at least … current framework being used in the environment) • Backend development experience with either JavaScript (Node.js preferred) or Python programming languages • Strong unit and E2E testing experience using tools such as Jest, PITest, VueTest, and SonarQube or Twistlock for containers • Familiarity with GitLab runners, CI/CD pipelines, and container security Core Work Hours: 9:00 - 3:00 PM EST Location: Hybrid More ❯
R- Description Leidos anticipates having opportunities for Software Engineers in the upcoming Government Fiscal Year 26 within our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer More ❯
Reading, England, United Kingdom Hybrid / WFH Options
NLB Services
Playwright) Location: Reading, UK (Hybrid) Type of Hiring: Contract Job Description: 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 … 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 ❯
slough, south east england, united kingdom Hybrid / WFH Options
NLB Services
Playwright) Location: Reading, UK (Hybrid) Type of Hiring: Contract Job Description: 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 … 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 ❯
