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Blackfluo.ai

Front-End Web Developer

Blackfluo.ai
France · Full-time · Mid-Senior
Building responsive, performant, and interactive web applications using modern JavaScript frameworks and progressive web app technologies

Position Overview

We are seeking a skilled Front-End Web Developer to design and develop engaging user interfaces for web applications. The ideal candidate will have deep expertise in JavaScript and modern JS frameworks (React, Angular, Vue.js), experience creating dynamic charts and visualizations, and knowledge of progressive web app (PWA) standards.

You will collaborate with UX/UI designers, backend developers, and product teams to deliver seamless and scalable web experiences.

Key Responsibilities

Front-End Development

  • Develop responsive, accessible, and high-performance web interfaces using JavaScript and modern frameworks like React, Angular, or Vue.js
  • Implement interactive charts and data visualizations using libraries such as D3.js, Chart.js, or Highcharts
  • Build and maintain Progressive Web Apps (PWAs) with offline capabilities, push notifications, and app-like performance


Collaboration & Integration

  • Work closely with UX/UI designers to translate designs into functional web components
  • Integrate front-end components with backend APIs and services
  • Participate in code reviews, testing, and debugging to ensure high-quality deliverables


Optimization & Best Practices

  • Optimize front-end code for maximum speed, scalability, and cross-browser compatibility
  • Ensure adherence to web standards, accessibility guidelines (WCAG), and SEO best practices
  • Stay up-to-date with emerging front-end technologies and incorporate improvements where relevant


Required Qualifications

  • 5+ years of experience in front-end web development with strong JavaScript skills
  • Proficiency with at least one modern JavaScript framework/library such as React, Angular, or Vue.js
  • Experience with charting libraries like D3.js, Chart.js, or Highcharts
  • Familiarity with Progressive Web Apps (PWA) concepts and implementation
  • Solid understanding of HTML5, CSS3, and responsive design principles
  • Experience with version control systems such as Git


Preferred Qualifications

  • Degree in Computer Science, Software Engineering, or related field
  • Experience with TypeScript and front-end build tools (Webpack, Babel, etc.)
  • Knowledge of RESTful APIs and JSON data handling
  • Familiarity with testing frameworks (Jest, Mocha, Cypress)
  • Understanding of CI/CD pipelines and DevOps practices

Key Skills

Ranked by relevance

javascript responsive angular react responsive design restful apis typescript webpack devops mocha html5 cicd seo
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Country Guide

France

Large economy with strong startup and AI ecosystem

Posted
Aug 01, 2025
Type
Full-time
Level
Mid-Senior
Location
Paris
Company
Blackfluo.ai

Industries

Software Development

Categories

Engineering Information Technology

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