Finst
Senior Frontend Engineer
NEWAmsterdamFull-timeGlobal
š Midš Hybrid
ActivePosted within the last 30 days
Job Description
[AI-summarized by JobStash]
You will work across the entire web development lifecycle: design, develop, deploy, and support web features for a high-scale trading platform. You will build secure, well-tested, performant interfaces, collaborate with product and design, diagnose and fix performance and security issues, ship features with minimal guidance, and mentor junior engineers.
Requirements
- āMore than 5 years of professional experience
- āSignificant professional experience with JavaScript and TypeScript
- āProficiency with CSS, HTML, and modern Web APIs
- āDeep experience with modern UI libraries or frameworks (React, Solid, Vue) and component-based architecture
- āProfessional experience with Node.js, CSS Modules, Jest, Webpack, Vite, or Rollup
- āExperience with Lighthouse and Playwright
- āExperience with state management and API integration
- āExperience diagnosing and preventing performance problems
- āSolid understanding of responsive design, accessibility (WCAG), and cross-browser compatibility
- āProven ability to design scalable frontend systems and maintain clean codebases
- āExperience owning projects from concept to production
- āComfort with agile, iterative development processes
- āProficiency in English
- āSelf-motivated with strong communication skills
- āExperience with hybrid mobile technologies (Cordova, Capacitor, React Native) and native modules (Java/Kotlin, Swift/Objective-C) is a plus
- āMaster's Degree
Responsibilities
- āParticipate in the application lifecycle (design, development, deployment, support)
- āDevelop secure, well-tested, and performant features for the trading platform
- āCollaborate with Product Management, UX, and engineering stakeholders
- āAdvocate for improvements to product quality, security, and performance
- āSolve complex technical problems
- āWrite and maintain code that meets internal style and maintainability standards
- āIdentify technical debt and propose and implement solutions
- āTroubleshoot product, security, and urgent engineering issues
- āShip moderately sized features with minimal guidance
- āMentor Junior and Intermediate Engineers
Benefits & Perks
- āCompetitive fixed remuneration
- āBonus scheme
- āFlexible work arrangements with occasional remote authorization
- ā25 paid holidays per year
- āCompany-provided equipment (MacBook or Windows, standing desks)
- āMonthly team drinks and yearly off-sites
- āOffice in central Amsterdam
Tech Stack
agileHTMLSOLIDCSSPerformance optimizationlighthouseNode.jsTypeScriptCSS-in-JSCapacitor