Fullstack Developer – Taplio & TweetHunter

lemlist; Union (NJ); Remote; USD 65,000 - 79,000; Full time

Benefits offered by this job

Remote work

Office in Paris

Home office budget

MacBook Pro provided

Annual team retreat

Job summary

lemlist is seeking a Fullstack Developer to help improve Taplio and turn messy code into scalable, maintainable software. You will refactor and optimize a fullstack TypeScript stack (Node.js, React, Next.js) on Google Cloud Platform, building AI-enabled features and ensuring performance and reliability.

We value fast learners who own their code, think strategically, and can work independently in a fully remote setup. English fluency is required.

Qualifications

• 5+ years of software development experience.
• Strong JavaScript/TypeScript skills.
• Responsible for your own code and quality.
• Ability to see the big picture and make smart trade-offs.
• Fast learner, proactive and independent.
• Fluent in English.

Responsibilities

• Refactor and optimize our codebase (Fullstack TypeScript, Node.js, React, Next.js, Google Cloud Platform).
• Build new features for users, including AI-related work and improving MCP.
• Improve performance and maintainability of the codebase.
• Support customer success by solving technical issues when needed.
• Challenge product requests and balance speed with quality.

Skills

5+ years

JavaScript/TypeScript

Owns code

Big picture thinking

Fast learner

English fluent

Tools

LinkedIn API

GCP knowledge

Job description

About us

lemlist is the sales engagement platform that gives sales teams the unfair advantage they deserve.

Bootstrapped since day one, we’ve grown from 0 to $63M ARR in 8 years, without raising a single dollar.

Today, we’re a profitable B2B SaaS company valued at $250M+, trusted by 40,000+ sales teams worldwide to book more meetings and close more deals.

The Role

We’re looking for a Fullstack Develope r to help usimprove Taplio.

If you love building new things, but also turning messy code into something scalable and maintainable, keep reading

What You’ll do

• Refactor and optimize our codebase (Fullstack TypeScript, Nodejs, React, Next.js, Google Cloud Platform).
• Build amazing new features for our users, including ones involving AI and improving our MCP
• Improve performance and maintainability
• Support customer success, solving technical issues when needed
• Challenge product requests, balancing speed and quality

What’s in It for You?

Fully remote & flexible work. Amazing offices in Paris if you prefer

Join a profitable, bootstrapped, and high-growth company

Work with a motivated, no-BS team

Direct impact – your work will shape our product

Who You Are?

Must-Haves

• 5+ years experience
• Strong JavaScript / TypeScript skills
• Responsible for your own code
• Ability to see the big picture and suggest smart trade-offs
• Fast learner, proactive, and independent
• Fluent in English

Nice-to-have

• Experience with LinkedIn API
• Strong GCP knowledge

Additional Information

Salary up to 65K€ base salary + additional company bonus

Where you live, and work is totally up to you – we do have an office in Paris if you enjoy life at the office

Full-remote Work Setup: A well-funded home office budget to ensure seamless remote work

Get a 48GB Macbook Pro + all the tools and equipment you need for your job obviously

Team building: We all meet once per year at really cool places around the world

Interview Process

• Interview with Lucas, our Tech TAM
• Interview with Sebastien, our Technical Manager
• Technical test + review with 2 devs from team
• Interview with our GM & COO