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Senior Full Stack RoR developer
We are looking for a Senior Full Stack Ruby on Rails Developer to help design, scale, and future-proof a growing platform integrating modern web applications with AI-powered capabilities. As a senior member of the engineering team, you will work closely with p...
Overview
What this role is about
We are looking for a Senior Full Stack Ruby on Rails Developer to help design, scale, and future-proof a growing platform integrating modern web applications with AI-powered capabilities.
As a senior member of the engineering team, you will work closely with product, research, and leadership teams to build production-grade software while contributing to architecture decisions, CI/CD improvements, and AI feature integrations.
This role combines strong backend expertise with frontend craftsmanship, making it ideal for someone who cares deeply about clean architecture, maintainable code, user experience, and engineering quality.
Team context
About the team
Join an innovation-driven technology company building AI-powered software products used by a global audience. The team is focused on solving complex real-world problems through a combination of modern web technologies, scalable backend systems, and intelligent AI integrations.
Operating at the intersection of software engineering, product innovation, and applied AI, the company values craftsmanship, long-term thinking, and engineering excellence over hype. This is an opportunity to work on meaningful products in a collaborative, distributed environment where developers have strong ownership and direct impact on the platform’s evolution.
Ownership
What you will own
- Collaborate with leadership on technical architecture decisions and platform evolution
- Design and develop scalable backend services using Ruby on Rails
- Contribute to frontend development using SCSS, Bootstrap, JavaScript, and HTML/CSS
- Build and maintain CI/CD pipelines, deployment workflows, and QA processes
- Participate in code reviews, technical documentation, and roadmap discussions
- Maintain and improve existing systems while contributing to new feature development
- Support integration of AI-powered capabilities such as LLMs, semantic analysis, and recommendation engines
- Provide technical support during critical launches and escalations
- Research and evaluate emerging technologies and AI development practices
Fit
What we look for
- 10+ years of professional software engineering experience
- Strong expertise in Ruby on Rails development
- Advanced knowledge of JavaScript, SCSS, Bootstrap, HTML/CSS
- Experience with a secondary language such as Python
- Strong understanding of software architecture, maintainability, and clean code principles
- Experience with CI/CD pipelines, Git workflows, and deployment tooling
- Strong attention to detail, UI consistency, and user experience quality
- Comfortable leading technical discussions, mentoring developers, and owning technical decisions
- Fluent in French (spoken and written)