CareerPlanSign in

Senior Fullstack Software Engineer (Ruby/React & TS)

🌐 Remote💼 Full-time🗓 2026-09-18 → 2026-09-27

Core

Building reliable, scalable, and user-focused financial operating system products for French SMEs and accounting firms.

Role type

Senior hands-on IC Fullstack Software Engineer

Builds

Accounting and financial software products for small businesses and their accountants

Domain

Fintech / Accounting / SMEs

Deliverable

production ML models | product features

Required skills

Ruby on Rails, React, TypeScript, system design, performance optimization, observability, code review, technical leadership

Preferred skills

Product sense, complex problem solving, cross-team collaboration, technical content creation

Technologies

Ruby on Rails, React, TypeScript

Responsibilities

Lead significant technical deliveries from design to production, investigate and resolve complex production issues, design robust scalable solutions, improve engineering practices via code reviews and documentation, mentor team members, collaborate with stakeholders

Seniority

Senior, hands-on IC

Sourced via ashby · Listed on CareerPlan, which tracks 814,000+ jobs from 20+ sources.