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Fornia.dev
Front End Engineer - Bay Area

g2i

fulltime

Posted on: 6/25/2025

Required Skills:

JavaScriptReactCI/CD

Job Description:

Senior Frontend Developer

We are seeking a skilled Senior Frontend Developer to join our team. You will design, develop, and optimize complex, high-performance web applications, ensuring seamless user experiences and impactful business outcomes. You’ll collaborate with cross-functional teams to deliver scalable solutions and tackle challenging technical problems.

KEY RESPONSIBILITIES

  • Develop and Optimize Web Applications: Build and maintain single-page applications (SPAs) using modern JavaScript frameworks like React, Vue, or Angular, ensuring high performance and scalability.
  • Performance Optimization: Implement strategies to improve Core Web Vitals (LCP, FID, CLS), reduce bundle sizes, and enhance runtime performance through techniques like code splitting, lazy loading, and caching.
  • CI/CD and Build Optimization: Streamline continuous integration and deployment pipelines, optimize build times, and implement solutions like parallel builds, incremental compilation, or build caching.
  • State Management and Orchestration: Design robust client- and server-side state management systems, supporting features like real-time collaboration using WebSockets, CRDTs, or event sourcing.
  • Problem-Solving and Trade-offs: Analyze technical challenges, evaluate trade-offs between development speed and runtime performance, and propose solutions that balance user needs and business goals.
  • Collaboration and Communication: Work closely with product managers, designers, and backend engineers to align technical solutions with business objectives, clearly communicating trade-offs and outcomes.

QUALIFICATIONS

  • Experience: 5+ years of frontend development experience, with a proven track record of building and optimizing complex web applications.
  • Technical Skills:
    • Proficiency in JavaScript/TypeScript and modern frameworks (React, Vue, or Angular).
    • Deep understanding of performance optimization techniques, including Core Web Vitals, bundle size reduction, and caching strategies.
    • Experience with CI/CD pipelines, build tools (e.g., Webpack, Vite), and build optimization strategies.
    • Familiarity with state management and orchestration, including client-side and server-side approaches (e.g., WebSockets, CRDTs, or state machines).
  • Problem-Solving: Ability to diagnose complex issues, propose multiple solutions, and articulate trade-offs in terms of technical feasibility and business impact.
  • Business Acumen: Demonstrated ability to connect technical decisions to user needs and business outcomes, with examples of measurable impact (e.g., improved conversion rates, reduced load times).
  • Communication: Strong storytelling skills to explain technical concepts clearly to technical and non-technical stakeholders.

PREFERRED QUALIFICATIONS

  • Experience migrating legacy systems to modern frameworks or architectures.
  • Knowledge of real-time collaboration features, such as operational transforms or CRDTs.
  • Familiarity with monorepo/polyrepo setups and dependency management.
  • Experience establishing performance budgets or monitoring real user metrics.