Remote Fullstack Engineer - TypeScript/Node + AI Features

lemlist; Paris; Remote; EUR 59,000 - 72,000; Full time

Job summary

lemlist is seeking a skilled Fullstack Developer to help improve Taplio. You will refactor a messy codebase into scalable, maintainable systems, working with fullstack TypeScript, Node.js, React, Next.js, and Google Cloud Platform.

You’ll build new features including AI-driven improvements and MCP, enhance performance, and support customer success when needed. This is a fully remote role with Paris offices available for those who prefer them.

Qualifications

• 5+ years of software development experience.
• Strong JavaScript/TypeScript skills with front-end and back-end work.
• Responsible for own code and quality.
• Ability to see the big picture and balance trade-offs.
• Fast learner, proactive, independent, with English fluency.

Responsibilities

• Refactor and optimize codebase (Fullstack TS, Node.js, React, Next.js).
• Build new features including AI-enabled ones and MCP improvements.
• Improve performance and maintainability.
• Support customer success by solving technical issues.
• Balance speed and quality when evaluating product requests.

Skills

JavaScript/TypeScript

Owns code quality

Big-picture thinking

Proactive learner

English fluency

Tools

Google Cloud Platform (GCP)

LinkedIn API

Job description

lemlist is seeking a skilled Fullstack Developer to help improve Taplio. You will refactor a messy codebase into scalable, maintainable systems, working with fullstack TypeScript, Node.js, React, Next.js, and Google Cloud Platform.

You’ll build new features including AI-driven improvements and MCP, enhance performance, and support customer success when needed. This is a fully remote role with Paris offices available for those who prefer them.