{"schemaVersion":"jobsearcher.job.v1","id":"74c8a3ee77df1ca88424febd","url":"https://jobsearcher.com/jobs/74c8a3ee77df1ca88424febd","canonicalUrl":"https://jobsearcher.com/jobs/74c8a3ee77df1ca88424febd","title":"JavaScript Software Engineer(M/F/X)","description":"We are currently seeking a JavaScript Software Engineer to join one of our clients, a leading international player in cybersecurity and open-source software, responsible for a credential management platform used by over 40,000 organizations worldwide.Your Mission:Reporting to the Client team, you will go beyond the role of a traditional developer to become a guardian of security, data integrity (zero-trust), and a seamless user experience. You will work across all client applications (browser extensions, desktop applications, CLI, and SDKs) used daily by over half a million users.Key Responsibilities:JavaScript Software Engineering: You design and implement new features for browser extensions (Chrome, Firefox, Safari, Edge), the desktop application, and various SDKs. You transform UI/UX designs (Figma) into reusable, animated components (Storybook).Security & Cryptography (Zero-Trust): You integrate client-side business logic (end-to-end encryption, local data persistence, strict data validation) while adhering to the highest security standards. Every change requires a rigorous risk analysis.Quality & Rigor: You strive for technical excellence through systematic code reviews and ambitious test coverage (Unit & E2E), aiming for a minimum of 80% coverage.Deployment & Reliability: In collaboration with Senior Engineers, you participate in release planning to minimize service downtime and contribute to the optimization of CI/CD pipelines.Candidate Profile:Experience: Minimum of 3 years of software development experience in a professional company setting (excluding internships, which remain valued for more junior positioning). A background in a startup, scale-up, or a flat, agile environment is essential.Technical Stack: Mandatory mastery of JavaScript (familiarity with a React-dominant environment is a major plus). A strong awareness or prior experience in cybersecurity, cryptography, or open-source software is highly appreciated.Languages: Fluent English is mandatory (all documentation, meetings, and internal communications are conducted exclusively in English).Mindset: A strong startup mindset (flexibility, constructive feedback culture, autonomy). You are passionate about web ethics, data privacy, and enjoy finding simple solutions to complex technical problems.Package & Benefits:Contract: Full-time permanent contract only (CDI via Remote.com).Salary: Based on profile and country of residence.Remote Work: 100% Full Remote from Europe.","company":"Urban Linker","rawCompany":"urban linker","city":"Jonesboro","state":"IL","isRemote":false,"isActive":false,"createdAt":"2026-05-24T14:46:17.879Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"JavaScript Software Engineer(M/F/X)","description":"We are currently seeking a JavaScript Software Engineer to join one of our clients, a leading international player in cybersecurity and open-source software, responsible for a credential management platform used by over 40,000 organizations worldwide.Your Mission:Reporting to the Client team, you will go beyond the role of a traditional developer to become a guardian of security, data integrity (zero-trust), and a seamless user experience. You will work across all client applications (browser extensions, desktop applications, CLI, and SDKs) used daily by over half a million users.Key Responsibilities:JavaScript Software Engineering: You design and implement new features for browser extensions (Chrome, Firefox, Safari, Edge), the desktop application, and various SDKs. You transform UI/UX designs (Figma) into reusable, animated components (Storybook).Security & Cryptography (Zero-Trust): You integrate client-side business logic (end-to-end encryption, local data persistence, strict data validation) while adhering to the highest security standards. Every change requires a rigorous risk analysis.Quality & Rigor: You strive for technical excellence through systematic code reviews and ambitious test coverage (Unit & E2E), aiming for a minimum of 80% coverage.Deployment & Reliability: In collaboration with Senior Engineers, you participate in release planning to minimize service downtime and contribute to the optimization of CI/CD pipelines.Candidate Profile:Experience: Minimum of 3 years of software development experience in a professional company setting (excluding internships, which remain valued for more junior positioning). A background in a startup, scale-up, or a flat, agile environment is essential.Technical Stack: Mandatory mastery of JavaScript (familiarity with a React-dominant environment is a major plus). A strong awareness or prior experience in cybersecurity, cryptography, or open-source software is highly appreciated.Languages: Fluent English is mandatory (all documentation, meetings, and internal communications are conducted exclusively in English).Mindset: A strong startup mindset (flexibility, constructive feedback culture, autonomy). You are passionate about web ethics, data privacy, and enjoy finding simple solutions to complex technical problems.Package & Benefits:Contract: Full-time permanent contract only (CDI via Remote.com).Salary: Based on profile and country of residence.Remote Work: 100% Full Remote from Europe.","datePosted":"2026-05-24T14:46:17.879Z","dateModified":"2026-05-24T14:46:17.879Z","hiringOrganization":{"@type":"Organization","name":"Urban Linker","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Jonesboro","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"74c8a3ee77df1ca88424febd"},"url":"https://jobsearcher.com/jobs/74c8a3ee77df1ca88424febd"}}