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Staff Engineer - Fullstack JS/TS

France🌐 Remote💼 Full-time💰 $70–$80,000🗓 2026-07-16 → 2026-08-02

Core

Design, build, and ship fullstack features (frontend + backend) for a global B2B SaaS sales engagement and social selling platform, improving performance and mentoring peers.

Role type

Staff Fullstack Engineer (JavaScript/TypeScript)

Builds

Sales engagement and social selling product features for thousands of B2B customers

Domain

B2B SaaS / Sales Tech

Deliverable

production ML models | product features

Required skills

JavaScript, TypeScript, Node.js, React, MongoDB, system design, code refactoring, technical leadership, mentoring

Preferred skills

B2B SaaS startup experience, self-taught hacker background, passion for experimentation

Technologies

Node.js, React, MongoDB

Responsibilities

Build new features end-to-end, improve codebase quality and performance, mentor fellow developers, lead technical decisions on specific topics, solve complex problems impacting large customer bases

Seniority

Staff, hands-on IC with leadership responsibilities

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