Remote-First Senior Fullstack Lead — Growth & Impact

lemlist; United States; Remote; USD 84,000 - 95,000; Full time

Benefits offered by this job

Remote-first culture

Office in Paris option

Health insurance for family

Swile meal vouchers

Navigo card coverage

MacBook Pro & setup budget

Profit sharing

Annual global team retreat

Job summary

lemlist is a global B2B SaaS company building growth tools for thousands of businesses. We’re looking for a Tech Lead or Senior Fullstack TypeScript Developer to join, starting as a Senior Developer and evolving into Tech Lead after 3–6 months.

You’ll design, build, and ship features across frontend and backend, raise the bar, mentor peers, and drive delivery within your squad. Requirements include 8+ years in TS/JS, strong Node.js/React/MongoDB, and experience scaling SaaS.

Qualifications

• 8+ years in TypeScript/JavaScript (frontend + backend).
• Solid skills in Node.js, React, MongoDB.
• Proven track record building and maintaining web apps.
• Fluent in French and English; based in French timezone.
• B2B SaaS startup experience.
• Has worked on SaaS that scaled massively.
• Familiar with advanced performance optimization.
• Self-taught hacker or side-project builder.
• Passionate about experimenting and creating beyond work.

Responsibilities

• Build new features end-to-end (frontend + backend).
• Improve codebase through refactoring, fixes, and optimization.
• Collaborate with the team to solve technical issues.
• Mentor fellow developers and share knowledge.
• Step up as Tech Lead within the squad and drive delivery.

Skills

Autonomous

Fast learner

Collaborative

French & English

Self-taught hacker

Passionate experimentation

Willingness to learn JS/TS

Tools

Node.js

React

MongoDB

Job description

lemlist is a global B2B SaaS company building growth tools for thousands of businesses. We’re looking for a Tech Lead or Senior Fullstack TypeScript Developer to join, starting as a Senior Developer and evolving into Tech Lead after 3–6 months.

You’ll design, build, and ship features across frontend and backend, raise the bar, mentor peers, and drive delivery within your squad. Requirements include 8+ years in TS/JS, strong Node.js/React/MongoDB, and experience scaling SaaS.