CareerPlan

Fullstack Software Engineer RoR/JS W/M

All France (remote)RemoteFull-time2026-04-15 → 2026-10-17

Core

Build and refine infrastructure for internationalization, deploy AI-driven automation for lead acquisition, implement visitor tracking, and optimize conversion funnels for a fintech platform serving French SMEs and accounting firms.

Role type

Senior full stack software engineer (Ruby on Rails/JS)

Builds

Internationalization infrastructure, AI-driven lead acquisition tools, visitor tracking systems, and high-velocity growth experiments

Domain

Fintech / Accounting software for SMEs

Deliverable

product features

Required skills

Ruby on Rails, JavaScript frameworks (Vue/Nuxt), AI tools and automation, API design, A/B testing, performance optimization

Preferred skills

Data tools integration (GTM, Segment), data visualization (Datastudio, Looker), digital marketing (paid acquisition, SEO)

Technologies

Rails, Javascript, Vue JS, Nuxt JS, PostgreSQL, Git, Github

Responsibilities

Build multi-language localized user journeys, design and deploy AI-driven automated workflows, implement sophisticated visitor tracking systems, develop robust APIs for ecosystem connectivity, launch high-velocity growth experiments, maintain and optimize public website and registration funnels

Seniority

Mid-level, hands-on IC