Frontend developer internship | Mosaic Conseil | fully remote | 6 months duration | 700 EUR per month
Digital tools and internal platforms are a key part of how we deliver clarity and structure. This internship offers the chance to contribute to meaningful systems used in real, high-impact projects, not temporary exercises.
The opportunity
As a frontend developer intern, you will design and implement interactive web interfaces supporting internal processes and client-facing work. You will work closely with consultants and project leads to turn business needs into functional, elegant digital solutions.
This role is for candidates who enjoy solving problems, building structured solutions, and seeing their work have tangible impact.
Building interfaces
– create responsive, user-friendly web pages using modern frontend technologies
– translate requirements into scalable UI components
– ensure consistency, accessibility and performance across platforms
– improve usability through practical and thoughtful design decisions
Team collaboration
– work directly with project teams and stakeholders to understand functional needs
– incorporate feedback and testing insights into features
– assist in integrating frontend components with existing systems
Crafting quality code
– write clean, readable and maintainable code
– participate in peer reviews focused on structure and clarity
– document components, patterns and frontend practices for future use
Learning and growth
– deepen understanding of frontend design principles and architecture
– build disciplined coding habits suitable for professional projects
– gain experience with tools that support strategic decision-making
– develop a production-ready portfolio of real-world frontend work
Requirements
Who we are looking for
– background in computer science, software engineering, information systems, design or similar fields
– students or recent graduates welcome
– solid knowledge of HTML, CSS and JavaScript
– experience with at least one frontend framework (React, Vue, Angular or similar)
– comfortable in a structured, remote work environment
– self-motivated, organised and able to meet deadlines independently
– fluent in written and spoken English
Benefits
Why this internship stands out
Hands-on projects
– work on interfaces used in real consulting projects
– contribute to systems that directly support executive-level decisions
Skill development
– receive structured guidance and regular feedback
– learn best practices in professional frontend development
– focus on quality, clarity and growth
Flexibility and compensation
– fully remote
– paid internship: 700 EUR per month
– high performers may be offered a full-time role after completion
This internship is ideal for candidates who want real responsibility, structured skill development and meaningful contribution. If you are motivated to build frontend systems that make a tangible impact in strategic consulting, this is the opportunity for you.